├── ColladaLoader.js
├── README.md
├── create_material.js
└── parsed_model.js
/ColladaLoader.js:
--------------------------------------------------------------------------------
1 | import THREE from 'three';
2 |
3 | /**
4 | * @author Tim Knip / http://www.floorplanner.com/ / tim at floorplanner.com
5 | * @author Tony Parisi / http://www.tonyparisi.com/
6 | */
7 |
8 | THREE.ColladaLoader = function () {
9 |
10 | var COLLADA = null;
11 | var scene = null;
12 | var visualScene;
13 | var kinematicsModel;
14 |
15 | var readyCallbackFunc = null;
16 |
17 | var sources = {};
18 | var images = {};
19 | var animations = {};
20 | var controllers = {};
21 | var geometries = {};
22 | var materials = {};
23 | var effects = {};
24 | var cameras = {};
25 | var lights = {};
26 |
27 | var animData;
28 | var kinematics;
29 | var visualScenes;
30 | var kinematicsModels;
31 | var baseUrl;
32 | var morphs;
33 | var skins;
34 |
35 | var flip_uv = true;
36 | var preferredShading = THREE.SmoothShading;
37 |
38 | var options = {
39 | // Force Geometry to always be centered at the local origin of the
40 | // containing Mesh.
41 | centerGeometry: false,
42 |
43 | // Axis conversion is done for geometries, animations, and controllers.
44 | // If we ever pull cameras or lights out of the COLLADA file, they'll
45 | // need extra work.
46 | convertUpAxis: false,
47 |
48 | subdivideFaces: true,
49 |
50 | upAxis: 'Y',
51 |
52 | // For reflective or refractive materials we'll use this cubemap
53 | defaultEnvMap: null
54 |
55 | };
56 |
57 | var colladaUnit = 1.0;
58 | var colladaUp = 'Y';
59 | var upConversion = null;
60 |
61 | function load ( url, readyCallback, progressCallback, failCallback ) {
62 |
63 | var length = 0;
64 |
65 | if ( document.implementation && document.implementation.createDocument ) {
66 |
67 | var request = new XMLHttpRequest();
68 |
69 | request.onreadystatechange = function() {
70 |
71 | if ( request.readyState === 4 ) {
72 |
73 | if ( request.status === 0 || request.status === 200 ) {
74 |
75 |
76 | if ( request.responseXML ) {
77 |
78 | readyCallbackFunc = readyCallback;
79 | parse( request.responseXML, undefined, url );
80 |
81 | } else if ( request.responseText ) {
82 |
83 | readyCallbackFunc = readyCallback;
84 | var xmlParser = new DOMParser();
85 | var responseXML = xmlParser.parseFromString( request.responseText, "application/xml" );
86 | parse( responseXML, undefined, url );
87 |
88 | } else {
89 |
90 | if ( faillCallback ) {
91 |
92 | failCallback();
93 |
94 | } else {
95 |
96 | console.error( "ColladaLoader: Empty or non-existing file (" + url + ")" );
97 |
98 | }
99 |
100 | }
101 |
102 | }
103 |
104 | } else if ( request.readyState === 3 ) {
105 |
106 | if ( progressCallback ) {
107 |
108 | if ( length === 0 ) {
109 |
110 | length = request.getResponseHeader( "Content-Length" );
111 |
112 | }
113 |
114 | progressCallback( { total: length, loaded: request.responseText.length } );
115 |
116 | }
117 |
118 | }
119 |
120 | }
121 |
122 | request.open( "GET", url, true );
123 | request.send( null );
124 |
125 | } else {
126 |
127 | alert( "Don't know how to parse XML!" );
128 |
129 | }
130 |
131 | }
132 |
133 | function parse( doc, callBack, url ) {
134 |
135 | COLLADA = doc;
136 | callBack = callBack || readyCallbackFunc;
137 |
138 | if ( url !== undefined ) {
139 |
140 | var parts = url.split( '/' );
141 | parts.pop();
142 | baseUrl = ( parts.length < 1 ? '.' : parts.join( '/' ) ) + '/';
143 |
144 | }
145 |
146 | parseAsset();
147 | setUpConversion();
148 | images = parseLib( "library_images image", _Image, "image" );
149 | materials = parseLib( "library_materials material", Material, "material" );
150 | effects = parseLib( "library_effects effect", Effect, "effect" );
151 | geometries = parseLib( "library_geometries geometry", Geometry, "geometry" );
152 | cameras = parseLib( "library_cameras camera", Camera, "camera" );
153 | lights = parseLib( "library_lights light", Light, "light" );
154 | controllers = parseLib( "library_controllers controller", Controller, "controller" );
155 | animations = parseLib( "library_animations animation", Animation, "animation" );
156 | visualScenes = parseLib( "library_visual_scenes visual_scene", VisualScene, "visual_scene" );
157 | kinematicsModels = parseLib( "library_kinematics_models kinematics_model", KinematicsModel, "kinematics_model" );
158 |
159 | morphs = [];
160 | skins = [];
161 |
162 | visualScene = parseScene();
163 | scene = new THREE.Group();
164 |
165 | for ( var i = 0; i < visualScene.nodes.length; i ++ ) {
166 |
167 | scene.add( createSceneGraph( visualScene.nodes[ i ] ) );
168 |
169 | }
170 |
171 | // unit conversion
172 | scene.scale.multiplyScalar( colladaUnit );
173 |
174 | createAnimations();
175 |
176 | kinematicsModel = parseKinematicsModel();
177 | createKinematics();
178 |
179 | var result = {
180 |
181 | scene: scene,
182 | morphs: morphs,
183 | skins: skins,
184 | animations: animData,
185 | kinematics: kinematics,
186 | dae: {
187 | images: images,
188 | materials: materials,
189 | cameras: cameras,
190 | lights: lights,
191 | effects: effects,
192 | geometries: geometries,
193 | controllers: controllers,
194 | animations: animations,
195 | visualScenes: visualScenes,
196 | visualScene: visualScene,
197 | scene: visualScene,
198 | kinematicsModels: kinematicsModels,
199 | kinematicsModel: kinematicsModel
200 | }
201 |
202 | };
203 |
204 | if ( callBack ) {
205 |
206 | callBack( result );
207 |
208 | }
209 |
210 | return result;
211 |
212 | }
213 |
214 | function setPreferredShading ( shading ) {
215 |
216 | preferredShading = shading;
217 |
218 | }
219 |
220 | function parseAsset () {
221 |
222 | var elements = COLLADA.querySelectorAll('asset');
223 |
224 | var element = elements[0];
225 |
226 | if ( element && element.childNodes ) {
227 |
228 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
229 |
230 | var child = element.childNodes[ i ];
231 |
232 | switch ( child.nodeName ) {
233 |
234 | case 'unit':
235 |
236 | var meter = child.getAttribute( 'meter' );
237 |
238 | if ( meter ) {
239 |
240 | colladaUnit = parseFloat( meter );
241 |
242 | }
243 |
244 | break;
245 |
246 | case 'up_axis':
247 |
248 | colladaUp = child.textContent.charAt(0);
249 | break;
250 |
251 | }
252 |
253 | }
254 |
255 | }
256 |
257 | }
258 |
259 | function parseLib ( q, classSpec, prefix ) {
260 |
261 | var elements = COLLADA.querySelectorAll(q);
262 |
263 | var lib = {};
264 |
265 | var i = 0;
266 |
267 | var elementsLength = elements.length;
268 |
269 | for ( var j = 0; j < elementsLength; j ++ ) {
270 |
271 | var element = elements[j];
272 | var daeElement = ( new classSpec() ).parse( element );
273 |
274 | if ( !daeElement.id || daeElement.id.length === 0 ) daeElement.id = prefix + ( i ++ );
275 | lib[ daeElement.id ] = daeElement;
276 |
277 | }
278 |
279 | return lib;
280 |
281 | }
282 |
283 | function parseScene() {
284 |
285 | var sceneElement = COLLADA.querySelectorAll('scene instance_visual_scene')[0];
286 |
287 | if ( sceneElement ) {
288 |
289 | var url = sceneElement.getAttribute( 'url' ).replace( /^#/, '' );
290 | return visualScenes[ url.length > 0 ? url : 'visual_scene0' ];
291 |
292 | } else {
293 |
294 | return null;
295 |
296 | }
297 |
298 | }
299 |
300 | function parseKinematicsModel() {
301 |
302 | var kinematicsModelElement = COLLADA.querySelectorAll('instance_kinematics_model')[0];
303 |
304 | if ( kinematicsModelElement ) {
305 |
306 | var url = kinematicsModelElement.getAttribute( 'url' ).replace(/^#/, '');
307 | return kinematicsModels[ url.length > 0 ? url : 'kinematics_model0' ];
308 |
309 | } else {
310 |
311 | return null;
312 |
313 | }
314 |
315 | }
316 |
317 | function createAnimations() {
318 |
319 | animData = [];
320 |
321 | // fill in the keys
322 | recurseHierarchy( scene );
323 |
324 | }
325 |
326 | function recurseHierarchy( node ) {
327 |
328 | var n = visualScene.getChildById( node.colladaId, true ),
329 | newData = null;
330 |
331 | if ( n && n.keys ) {
332 |
333 | newData = {
334 | fps: 60,
335 | hierarchy: [ {
336 | node: n,
337 | keys: n.keys,
338 | sids: n.sids
339 | } ],
340 | node: node,
341 | name: 'animation_' + node.name,
342 | length: 0
343 | };
344 |
345 | animData.push(newData);
346 |
347 | for ( var i = 0, il = n.keys.length; i < il; i ++ ) {
348 |
349 | newData.length = Math.max( newData.length, n.keys[i].time );
350 |
351 | }
352 |
353 | } else {
354 |
355 | newData = {
356 | hierarchy: [ {
357 | keys: [],
358 | sids: []
359 | } ]
360 | }
361 |
362 | }
363 |
364 | for ( var i = 0, il = node.children.length; i < il; i ++ ) {
365 |
366 | var d = recurseHierarchy( node.children[i] );
367 |
368 | for ( var j = 0, jl = d.hierarchy.length; j < jl; j ++ ) {
369 |
370 | newData.hierarchy.push( {
371 | keys: [],
372 | sids: []
373 | } );
374 |
375 | }
376 |
377 | }
378 |
379 | return newData;
380 |
381 | }
382 |
383 | function calcAnimationBounds () {
384 |
385 | var start = 1000000;
386 | var end = -start;
387 | var frames = 0;
388 | var ID;
389 | for ( var id in animations ) {
390 |
391 | var animation = animations[ id ];
392 | ID = ID || animation.id;
393 | for ( var i = 0; i < animation.sampler.length; i ++ ) {
394 |
395 | var sampler = animation.sampler[ i ];
396 |
397 | sampler.create();
398 |
399 | start = Math.min( start, sampler.startTime );
400 | end = Math.max( end, sampler.endTime );
401 | frames = Math.max( frames, sampler.input.length );
402 |
403 | }
404 |
405 | }
406 |
407 | return { start:start, end:end, frames:frames,ID:ID };
408 |
409 | }
410 |
411 | function createMorph ( geometry, ctrl ) {
412 |
413 | var morphCtrl = ctrl instanceof InstanceController ? controllers[ ctrl.url ] : ctrl;
414 |
415 | if ( !morphCtrl || !morphCtrl.morph ) {
416 |
417 | console.log("could not find morph controller!");
418 | return;
419 |
420 | }
421 |
422 | var morph = morphCtrl.morph;
423 |
424 | for ( var i = 0; i < morph.targets.length; i ++ ) {
425 |
426 | var target_id = morph.targets[ i ];
427 | var daeGeometry = geometries[ target_id ];
428 |
429 | if ( !daeGeometry.mesh ||
430 | !daeGeometry.mesh.primitives ||
431 | !daeGeometry.mesh.primitives.length ) {
432 | continue;
433 | }
434 |
435 | var target = daeGeometry.mesh.primitives[ 0 ].geometry;
436 |
437 | if ( target.vertices.length === geometry.vertices.length ) {
438 |
439 | geometry.morphTargets.push( { name: "target_1", vertices: target.vertices } );
440 |
441 | }
442 |
443 | }
444 |
445 | geometry.morphTargets.push( { name: "target_Z", vertices: geometry.vertices } );
446 |
447 | };
448 |
449 | function createSkin ( geometry, ctrl, applyBindShape ) {
450 |
451 | var skinCtrl = controllers[ ctrl.url ];
452 |
453 | if ( !skinCtrl || !skinCtrl.skin ) {
454 |
455 | console.log( "could not find skin controller!" );
456 | return;
457 |
458 | }
459 |
460 | if ( !ctrl.skeleton || !ctrl.skeleton.length ) {
461 |
462 | console.log( "could not find the skeleton for the skin!" );
463 | return;
464 |
465 | }
466 |
467 | var skin = skinCtrl.skin;
468 | var skeleton = visualScene.getChildById( ctrl.skeleton[ 0 ] );
469 | var hierarchy = [];
470 |
471 | applyBindShape = applyBindShape !== undefined ? applyBindShape : true;
472 |
473 | var bones = [];
474 | geometry.skinWeights = [];
475 | geometry.skinIndices = [];
476 |
477 | //createBones( geometry.bones, skin, hierarchy, skeleton, null, -1 );
478 | //createWeights( skin, geometry.bones, geometry.skinIndices, geometry.skinWeights );
479 |
480 | /*
481 | geometry.animation = {
482 | name: 'take_001',
483 | fps: 30,
484 | length: 2,
485 | JIT: true,
486 | hierarchy: hierarchy
487 | };
488 | */
489 |
490 | if ( applyBindShape ) {
491 |
492 | for ( var i = 0; i < geometry.vertices.length; i ++ ) {
493 |
494 | geometry.vertices[ i ].applyMatrix4( skin.bindShapeMatrix );
495 |
496 | }
497 |
498 | }
499 |
500 | }
501 |
502 | function setupSkeleton ( node, bones, frame, parent ) {
503 |
504 | node.world = node.world || new THREE.Matrix4();
505 | node.localworld = node.localworld || new THREE.Matrix4();
506 | node.world.copy( node.matrix );
507 | node.localworld.copy( node.matrix );
508 |
509 | if ( node.channels && node.channels.length ) {
510 |
511 | var channel = node.channels[ 0 ];
512 | var m = channel.sampler.output[ frame ];
513 |
514 | if ( m instanceof THREE.Matrix4 ) {
515 |
516 | node.world.copy( m );
517 | node.localworld.copy(m);
518 | if (frame === 0)
519 | node.matrix.copy(m);
520 | }
521 |
522 | }
523 |
524 | if ( parent ) {
525 |
526 | node.world.multiplyMatrices( parent, node.world );
527 |
528 | }
529 |
530 | bones.push( node );
531 |
532 | for ( var i = 0; i < node.nodes.length; i ++ ) {
533 |
534 | setupSkeleton( node.nodes[ i ], bones, frame, node.world );
535 |
536 | }
537 |
538 | }
539 |
540 | function setupSkinningMatrices ( bones, skin ) {
541 |
542 | // FIXME: this is dumb...
543 |
544 | for ( var i = 0; i < bones.length; i ++ ) {
545 |
546 | var bone = bones[ i ];
547 | var found = -1;
548 |
549 | if ( bone.type != 'JOINT' ) continue;
550 |
551 | for ( var j = 0; j < skin.joints.length; j ++ ) {
552 |
553 | if ( bone.sid === skin.joints[ j ] ) {
554 |
555 | found = j;
556 | break;
557 |
558 | }
559 |
560 | }
561 |
562 | if ( found >= 0 ) {
563 |
564 | var inv = skin.invBindMatrices[ found ];
565 |
566 | bone.invBindMatrix = inv;
567 | bone.skinningMatrix = new THREE.Matrix4();
568 | bone.skinningMatrix.multiplyMatrices(bone.world, inv); // (IBMi * JMi)
569 | bone.animatrix = new THREE.Matrix4();
570 |
571 | bone.animatrix.copy(bone.localworld);
572 | bone.weights = [];
573 |
574 | for ( var j = 0; j < skin.weights.length; j ++ ) {
575 |
576 | for (var k = 0; k < skin.weights[ j ].length; k ++ ) {
577 |
578 | var w = skin.weights[ j ][ k ];
579 |
580 | if ( w.joint === found ) {
581 |
582 | bone.weights.push( w );
583 |
584 | }
585 |
586 | }
587 |
588 | }
589 |
590 | } else {
591 |
592 | console.warn( "ColladaLoader: Could not find joint '" + bone.sid + "'." );
593 |
594 | bone.skinningMatrix = new THREE.Matrix4();
595 | bone.weights = [];
596 |
597 | }
598 | }
599 |
600 | }
601 |
602 | //Walk the Collada tree and flatten the bones into a list, extract the position, quat and scale from the matrix
603 | function flattenSkeleton(skeleton) {
604 |
605 | var list = [];
606 | var walk = function(parentid, node, list) {
607 |
608 | var bone = {};
609 | bone.name = node.sid;
610 | bone.parent = parentid;
611 | bone.matrix = node.matrix;
612 | var data = [ new THREE.Vector3(),new THREE.Quaternion(),new THREE.Vector3() ];
613 | bone.matrix.decompose(data[0], data[1], data[2]);
614 |
615 | bone.pos = [ data[0].x,data[0].y,data[0].z ];
616 |
617 | bone.scl = [ data[2].x,data[2].y,data[2].z ];
618 | bone.rotq = [ data[1].x,data[1].y,data[1].z,data[1].w ];
619 | list.push(bone);
620 |
621 | for (var i in node.nodes) {
622 |
623 | walk(node.sid, node.nodes[i], list);
624 |
625 | }
626 |
627 | };
628 |
629 | walk(-1, skeleton, list);
630 | return list;
631 |
632 | }
633 |
634 | //Move the vertices into the pose that is proper for the start of the animation
635 | function skinToBindPose(geometry,skeleton,skinController) {
636 |
637 | var bones = [];
638 | setupSkeleton( skeleton, bones, -1 );
639 | setupSkinningMatrices( bones, skinController.skin );
640 | v = new THREE.Vector3();
641 | var skinned = [];
642 |
643 | for (var i = 0; i < geometry.vertices.length; i ++) {
644 |
645 | skinned.push(new THREE.Vector3());
646 |
647 | }
648 |
649 | for ( i = 0; i < bones.length; i ++ ) {
650 |
651 | if ( bones[ i ].type != 'JOINT' ) continue;
652 |
653 | for ( j = 0; j < bones[ i ].weights.length; j ++ ) {
654 |
655 | w = bones[ i ].weights[ j ];
656 | vidx = w.index;
657 | weight = w.weight;
658 |
659 | o = geometry.vertices[vidx];
660 | s = skinned[vidx];
661 |
662 | v.x = o.x;
663 | v.y = o.y;
664 | v.z = o.z;
665 |
666 | v.applyMatrix4( bones[i].skinningMatrix );
667 |
668 | s.x += (v.x * weight);
669 | s.y += (v.y * weight);
670 | s.z += (v.z * weight);
671 | }
672 |
673 | }
674 |
675 | for (var i = 0; i < geometry.vertices.length; i ++) {
676 |
677 | geometry.vertices[i] = skinned[i];
678 |
679 | }
680 |
681 | }
682 |
683 | function applySkin ( geometry, instanceCtrl, frame ) {
684 |
685 | var skinController = controllers[ instanceCtrl.url ];
686 |
687 | frame = frame !== undefined ? frame : 40;
688 |
689 | if ( !skinController || !skinController.skin ) {
690 |
691 | console.log( 'ColladaLoader: Could not find skin controller.' );
692 | return;
693 |
694 | }
695 |
696 | if ( !instanceCtrl.skeleton || !instanceCtrl.skeleton.length ) {
697 |
698 | console.log( 'ColladaLoader: Could not find the skeleton for the skin. ' );
699 | return;
700 |
701 | }
702 |
703 | var animationBounds = calcAnimationBounds();
704 | var skeleton = visualScene.getChildById( instanceCtrl.skeleton[0], true ) || visualScene.getChildBySid( instanceCtrl.skeleton[0], true );
705 |
706 | //flatten the skeleton into a list of bones
707 | var bonelist = flattenSkeleton(skeleton);
708 | var joints = skinController.skin.joints;
709 |
710 | //sort that list so that the order reflects the order in the joint list
711 | var sortedbones = [];
712 | for (var i = 0; i < joints.length; i ++) {
713 |
714 | for (var j = 0; j < bonelist.length; j ++) {
715 |
716 | if (bonelist[j].name === joints[i]) {
717 |
718 | sortedbones[i] = bonelist[j];
719 |
720 | }
721 |
722 | }
723 |
724 | }
725 |
726 | //hook up the parents by index instead of name
727 | for (var i = 0; i < sortedbones.length; i ++) {
728 |
729 | for (var j = 0; j < sortedbones.length; j ++) {
730 |
731 | if (sortedbones[i].parent === sortedbones[j].name) {
732 |
733 | sortedbones[i].parent = j;
734 |
735 | }
736 |
737 | }
738 |
739 | }
740 |
741 |
742 | var i, j, w, vidx, weight;
743 | var v = new THREE.Vector3(), o, s;
744 |
745 | // move vertices to bind shape
746 | for ( i = 0; i < geometry.vertices.length; i ++ ) {
747 | geometry.vertices[i].applyMatrix4( skinController.skin.bindShapeMatrix );
748 | }
749 |
750 | var skinIndices = [];
751 | var skinWeights = [];
752 | var weights = skinController.skin.weights;
753 |
754 | // hook up the skin weights
755 | // TODO - this might be a good place to choose greatest 4 weights
756 | for ( var i =0; i < weights.length; i ++ ) {
757 |
758 | var indicies = new THREE.Vector4(weights[i][0] ? weights[i][0].joint : 0,weights[i][1] ? weights[i][1].joint : 0,weights[i][2] ? weights[i][2].joint : 0,weights[i][3] ? weights[i][3].joint : 0);
759 | var weight = new THREE.Vector4(weights[i][0] ? weights[i][0].weight : 0,weights[i][1] ? weights[i][1].weight : 0,weights[i][2] ? weights[i][2].weight : 0,weights[i][3] ? weights[i][3].weight : 0);
760 |
761 | skinIndices.push(indicies);
762 | skinWeights.push(weight);
763 |
764 | }
765 |
766 | geometry.skinIndices = skinIndices;
767 | geometry.skinWeights = skinWeights;
768 | geometry.bones = sortedbones;
769 | // process animation, or simply pose the rig if no animation
770 |
771 | //create an animation for the animated bones
772 | //NOTE: this has no effect when using morphtargets
773 | var animationdata = { "name":animationBounds.ID,"fps":30,"length":animationBounds.frames / 30,"hierarchy":[] };
774 |
775 | for (var j = 0; j < sortedbones.length; j ++) {
776 |
777 | animationdata.hierarchy.push({ parent:sortedbones[j].parent, name:sortedbones[j].name, keys:[] });
778 |
779 | }
780 |
781 | console.log( 'ColladaLoader:', animationBounds.ID + ' has ' + sortedbones.length + ' bones.' );
782 |
783 |
784 |
785 | skinToBindPose(geometry, skeleton, skinController);
786 |
787 |
788 | for ( frame = 0; frame < animationBounds.frames; frame ++ ) {
789 |
790 | var bones = [];
791 | var skinned = [];
792 | // process the frame and setup the rig with a fresh
793 | // transform, possibly from the bone's animation channel(s)
794 |
795 | setupSkeleton( skeleton, bones, frame );
796 | setupSkinningMatrices( bones, skinController.skin );
797 |
798 | for (var i = 0; i < bones.length; i ++) {
799 |
800 | for (var j = 0; j < animationdata.hierarchy.length; j ++) {
801 |
802 | if (animationdata.hierarchy[j].name === bones[i].sid) {
803 |
804 | var key = {};
805 | key.time = (frame / 30);
806 | key.matrix = bones[i].animatrix;
807 |
808 | if (frame === 0)
809 | bones[i].matrix = key.matrix;
810 |
811 | var data = [ new THREE.Vector3(),new THREE.Quaternion(),new THREE.Vector3() ];
812 | key.matrix.decompose(data[0], data[1], data[2]);
813 |
814 | key.pos = [ data[0].x,data[0].y,data[0].z ];
815 |
816 | key.scl = [ data[2].x,data[2].y,data[2].z ];
817 | key.rot = data[1];
818 |
819 | animationdata.hierarchy[j].keys.push(key);
820 |
821 | }
822 |
823 | }
824 |
825 | }
826 |
827 | geometry.animation = animationdata;
828 |
829 | }
830 |
831 | };
832 |
833 | function createKinematics() {
834 |
835 | if ( kinematicsModel && kinematicsModel.joints.length === 0 ) {
836 | kinematics = undefined;
837 | return;
838 | }
839 |
840 | var jointMap = {};
841 |
842 | var _addToMap = function( jointIndex, parentVisualElement ) {
843 |
844 | var parentVisualElementId = parentVisualElement.getAttribute( 'id' );
845 | var colladaNode = visualScene.getChildById( parentVisualElementId, true );
846 | var joint = kinematicsModel.joints[ jointIndex ];
847 |
848 | scene.traverse(function( node ) {
849 |
850 | if ( node.colladaId == parentVisualElementId ) {
851 |
852 | jointMap[ jointIndex ] = {
853 | node: node,
854 | transforms: colladaNode.transforms,
855 | joint: joint,
856 | position: joint.zeroPosition
857 | };
858 |
859 | }
860 |
861 | });
862 |
863 | };
864 |
865 | kinematics = {
866 |
867 | joints: kinematicsModel && kinematicsModel.joints,
868 |
869 | getJointValue: function( jointIndex ) {
870 |
871 | var jointData = jointMap[ jointIndex ];
872 |
873 | if ( jointData ) {
874 |
875 | return jointData.position;
876 |
877 | } else {
878 |
879 | console.log( 'getJointValue: joint ' + jointIndex + ' doesn\'t exist' );
880 |
881 | }
882 |
883 | },
884 |
885 | setJointValue: function( jointIndex, value ) {
886 |
887 | var jointData = jointMap[ jointIndex ];
888 |
889 | if ( jointData ) {
890 |
891 | var joint = jointData.joint;
892 |
893 | if ( value > joint.limits.max || value < joint.limits.min ) {
894 |
895 | console.log( 'setJointValue: joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ')' );
896 |
897 | } else if ( joint.static ) {
898 |
899 | console.log( 'setJointValue: joint ' + jointIndex + ' is static' );
900 |
901 | } else {
902 |
903 | var threejsNode = jointData.node;
904 | var axis = joint.axis;
905 | var transforms = jointData.transforms;
906 |
907 | var matrix = new THREE.Matrix4();
908 |
909 | for (i = 0; i < transforms.length; i ++ ) {
910 |
911 | var transform = transforms[ i ];
912 |
913 | // kinda ghetto joint detection
914 | if ( transform.sid && transform.sid.indexOf( 'joint' + jointIndex ) !== -1 ) {
915 |
916 | // apply actual joint value here
917 | switch ( joint.type ) {
918 |
919 | case 'revolute':
920 |
921 | matrix.multiply( m1.makeRotationAxis( axis, THREE.Math.degToRad(value) ) );
922 | break;
923 |
924 | case 'prismatic':
925 |
926 | matrix.multiply( m1.makeTranslation(axis.x * value, axis.y * value, axis.z * value ) );
927 | break;
928 |
929 | default:
930 |
931 | console.warn( 'setJointValue: unknown joint type: ' + joint.type );
932 | break;
933 |
934 | }
935 |
936 | } else {
937 |
938 | var m1 = new THREE.Matrix4();
939 |
940 | switch ( transform.type ) {
941 |
942 | case 'matrix':
943 |
944 | matrix.multiply( transform.obj );
945 |
946 | break;
947 |
948 | case 'translate':
949 |
950 | matrix.multiply( m1.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) );
951 |
952 | break;
953 |
954 | case 'rotate':
955 |
956 | matrix.multiply( m1.makeRotationAxis( transform.obj, transform.angle ) );
957 |
958 | break;
959 |
960 | }
961 | }
962 | }
963 |
964 | // apply the matrix to the threejs node
965 | var elementsFloat32Arr = matrix.elements;
966 | var elements = Array.prototype.slice.call( elementsFloat32Arr );
967 |
968 | var elementsRowMajor = [
969 | elements[ 0 ],
970 | elements[ 4 ],
971 | elements[ 8 ],
972 | elements[ 12 ],
973 | elements[ 1 ],
974 | elements[ 5 ],
975 | elements[ 9 ],
976 | elements[ 13 ],
977 | elements[ 2 ],
978 | elements[ 6 ],
979 | elements[ 10 ],
980 | elements[ 14 ],
981 | elements[ 3 ],
982 | elements[ 7 ],
983 | elements[ 11 ],
984 | elements[ 15 ]
985 | ];
986 |
987 | threejsNode.matrix.set.apply( threejsNode.matrix, elementsRowMajor );
988 | threejsNode.matrix.decompose( threejsNode.position, threejsNode.quaternion, threejsNode.scale );
989 | }
990 |
991 | } else {
992 |
993 | console.log( 'setJointValue: joint ' + jointIndex + ' doesn\'t exist' );
994 |
995 | }
996 |
997 | }
998 |
999 | };
1000 |
1001 | var element = COLLADA.querySelector('scene instance_kinematics_scene');
1002 |
1003 | if ( element ) {
1004 |
1005 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1006 |
1007 | var child = element.childNodes[ i ];
1008 |
1009 | if ( child.nodeType != 1 ) continue;
1010 |
1011 | switch ( child.nodeName ) {
1012 |
1013 | case 'bind_joint_axis':
1014 |
1015 | var visualTarget = child.getAttribute( 'target' ).split( '/' ).pop();
1016 | var axis = child.querySelector('axis param').textContent;
1017 | var jointIndex = parseInt( axis.split( 'joint' ).pop().split( '.' )[0] );
1018 | var visualTargetElement = COLLADA.querySelector( '[sid="' + visualTarget + '"]' );
1019 |
1020 | if ( visualTargetElement ) {
1021 | var parentVisualElement = visualTargetElement.parentElement;
1022 | _addToMap(jointIndex, parentVisualElement);
1023 | }
1024 |
1025 | break;
1026 |
1027 | default:
1028 |
1029 | break;
1030 |
1031 | }
1032 |
1033 | }
1034 | }
1035 |
1036 | };
1037 |
1038 | function createSceneGraph ( node, parent ) {
1039 |
1040 | var obj = new THREE.Object3D();
1041 | var skinned = false;
1042 | var skinController;
1043 | var morphController;
1044 | var i, j;
1045 |
1046 | // FIXME: controllers
1047 |
1048 | for ( i = 0; i < node.controllers.length; i ++ ) {
1049 |
1050 | var controller = controllers[ node.controllers[ i ].url ];
1051 |
1052 | switch ( controller.type ) {
1053 |
1054 | case 'skin':
1055 |
1056 | if ( geometries[ controller.skin.source ] ) {
1057 |
1058 | var inst_geom = new InstanceGeometry();
1059 |
1060 | inst_geom.url = controller.skin.source;
1061 | inst_geom.instance_material = node.controllers[ i ].instance_material;
1062 |
1063 | node.geometries.push( inst_geom );
1064 | skinned = true;
1065 | skinController = node.controllers[ i ];
1066 |
1067 | } else if ( controllers[ controller.skin.source ] ) {
1068 |
1069 | // urgh: controller can be chained
1070 | // handle the most basic case...
1071 |
1072 | var second = controllers[ controller.skin.source ];
1073 | morphController = second;
1074 | // skinController = node.controllers[i];
1075 |
1076 | if ( second.morph && geometries[ second.morph.source ] ) {
1077 |
1078 | var inst_geom = new InstanceGeometry();
1079 |
1080 | inst_geom.url = second.morph.source;
1081 | inst_geom.instance_material = node.controllers[ i ].instance_material;
1082 |
1083 | node.geometries.push( inst_geom );
1084 |
1085 | }
1086 |
1087 | }
1088 |
1089 | break;
1090 |
1091 | case 'morph':
1092 |
1093 | if ( geometries[ controller.morph.source ] ) {
1094 |
1095 | var inst_geom = new InstanceGeometry();
1096 |
1097 | inst_geom.url = controller.morph.source;
1098 | inst_geom.instance_material = node.controllers[ i ].instance_material;
1099 |
1100 | node.geometries.push( inst_geom );
1101 | morphController = node.controllers[ i ];
1102 |
1103 | }
1104 |
1105 | console.log( 'ColladaLoader: Morph-controller partially supported.' );
1106 |
1107 | default:
1108 | break;
1109 |
1110 | }
1111 |
1112 | }
1113 |
1114 | // geometries
1115 |
1116 | var double_sided_materials = {};
1117 |
1118 | for ( i = 0; i < node.geometries.length; i ++ ) {
1119 |
1120 | var instance_geometry = node.geometries[i];
1121 | var instance_materials = instance_geometry.instance_material;
1122 | var geometry = geometries[ instance_geometry.url ];
1123 | var used_materials = {};
1124 | var used_materials_array = [];
1125 | var num_materials = 0;
1126 | var first_material;
1127 |
1128 | if ( geometry ) {
1129 |
1130 | if ( !geometry.mesh || !geometry.mesh.primitives )
1131 | continue;
1132 |
1133 | if ( obj.name.length === 0 ) {
1134 |
1135 | obj.name = geometry.id;
1136 |
1137 | }
1138 |
1139 | // collect used fx for this geometry-instance
1140 |
1141 | if ( instance_materials ) {
1142 |
1143 | for ( j = 0; j < instance_materials.length; j ++ ) {
1144 |
1145 | var instance_material = instance_materials[ j ];
1146 | var mat = materials[ instance_material.target ];
1147 | var effect_id = mat.instance_effect.url;
1148 | var shader = effects[ effect_id ].shader;
1149 | var material3js = shader.material;
1150 |
1151 | if ( geometry.doubleSided ) {
1152 |
1153 | if ( !( instance_material.symbol in double_sided_materials ) ) {
1154 |
1155 | var _copied_material = material3js.clone();
1156 | _copied_material.side = THREE.DoubleSide;
1157 | double_sided_materials[ instance_material.symbol ] = _copied_material;
1158 |
1159 | }
1160 |
1161 | material3js = double_sided_materials[ instance_material.symbol ];
1162 |
1163 | }
1164 |
1165 | material3js.opacity = !material3js.opacity ? 1 : material3js.opacity;
1166 | used_materials[ instance_material.symbol ] = num_materials;
1167 | used_materials_array.push( material3js );
1168 | first_material = material3js;
1169 | first_material.name = mat.name === null || mat.name === '' ? mat.id : mat.name;
1170 | num_materials ++;
1171 |
1172 | }
1173 |
1174 | }
1175 |
1176 | var mesh;
1177 | var material = first_material || new THREE.MeshLambertMaterial( { color: 0xdddddd, side: geometry.doubleSided ? THREE.DoubleSide : THREE.FrontSide } );
1178 | var geom = geometry.mesh.geometry3js;
1179 |
1180 | if ( num_materials > 1 ) {
1181 |
1182 | material = new THREE.MeshFaceMaterial( used_materials_array );
1183 |
1184 | for ( j = 0; j < geom.faces.length; j ++ ) {
1185 |
1186 | var face = geom.faces[ j ];
1187 | face.materialIndex = used_materials[ face.daeMaterial ]
1188 |
1189 | }
1190 |
1191 | }
1192 |
1193 | if ( skinController !== undefined ) {
1194 |
1195 |
1196 | applySkin( geom, skinController );
1197 |
1198 | if ( geom.morphTargets.length > 0 ) {
1199 |
1200 | material.morphTargets = true;
1201 | material.skinning = false;
1202 |
1203 | } else {
1204 |
1205 | material.morphTargets = false;
1206 | material.skinning = true;
1207 |
1208 | }
1209 |
1210 |
1211 | mesh = new THREE.SkinnedMesh( geom, material, false );
1212 |
1213 |
1214 | //mesh.skeleton = skinController.skeleton;
1215 | //mesh.skinController = controllers[ skinController.url ];
1216 | //mesh.skinInstanceController = skinController;
1217 | mesh.name = 'skin_' + skins.length;
1218 |
1219 |
1220 |
1221 | //mesh.animationHandle.setKey(0);
1222 | skins.push( mesh );
1223 |
1224 | } else if ( morphController !== undefined ) {
1225 |
1226 | createMorph( geom, morphController );
1227 |
1228 | material.morphTargets = true;
1229 |
1230 | mesh = new THREE.Mesh( geom, material );
1231 | mesh.name = 'morph_' + morphs.length;
1232 |
1233 | morphs.push( mesh );
1234 |
1235 | } else {
1236 |
1237 | if ( geom.isLineStrip === true ) {
1238 |
1239 | mesh = new THREE.Line( geom );
1240 |
1241 | } else {
1242 |
1243 | mesh = new THREE.Mesh( geom, material );
1244 |
1245 | }
1246 |
1247 | }
1248 |
1249 | obj.add(mesh);
1250 |
1251 | }
1252 |
1253 | }
1254 |
1255 | for ( i = 0; i < node.cameras.length; i ++ ) {
1256 |
1257 | var instance_camera = node.cameras[i];
1258 | var cparams = cameras[instance_camera.url];
1259 |
1260 | var cam = new THREE.PerspectiveCamera(cparams.yfov, parseFloat(cparams.aspect_ratio),
1261 | parseFloat(cparams.znear), parseFloat(cparams.zfar));
1262 |
1263 | obj.add(cam);
1264 | }
1265 |
1266 | for ( i = 0; i < node.lights.length; i ++ ) {
1267 |
1268 | var light = null;
1269 | var instance_light = node.lights[i];
1270 | var lparams = lights[instance_light.url];
1271 |
1272 | if ( lparams && lparams.technique ) {
1273 |
1274 | var color = lparams.color.getHex();
1275 | var intensity = lparams.intensity;
1276 | var distance = lparams.distance;
1277 | var angle = lparams.falloff_angle;
1278 | var exponent; // Intentionally undefined, don't know what this is yet
1279 |
1280 | switch ( lparams.technique ) {
1281 |
1282 | case 'directional':
1283 |
1284 | light = new THREE.DirectionalLight( color, intensity, distance );
1285 | light.position.set(0, 0, 1);
1286 | break;
1287 |
1288 | case 'point':
1289 |
1290 | light = new THREE.PointLight( color, intensity, distance );
1291 | break;
1292 |
1293 | case 'spot':
1294 |
1295 | light = new THREE.SpotLight( color, intensity, distance, angle, exponent );
1296 | light.position.set(0, 0, 1);
1297 | break;
1298 |
1299 | case 'ambient':
1300 |
1301 | light = new THREE.AmbientLight( color );
1302 | break;
1303 |
1304 | }
1305 |
1306 | }
1307 |
1308 | if (light) {
1309 | obj.add(light);
1310 | }
1311 | }
1312 |
1313 | obj.name = node.name || node.id || "";
1314 | obj.colladaId = node.id || "";
1315 | obj.layer = node.layer || "";
1316 | obj.matrix = node.matrix;
1317 | obj.matrix.decompose( obj.position, obj.quaternion, obj.scale );
1318 |
1319 | if ( options.centerGeometry && obj.geometry ) {
1320 |
1321 | var delta = obj.geometry.center();
1322 | delta.multiply( obj.scale );
1323 | delta.applyQuaternion( obj.quaternion );
1324 |
1325 | obj.position.sub( delta );
1326 |
1327 | }
1328 |
1329 | for ( i = 0; i < node.nodes.length; i ++ ) {
1330 |
1331 | obj.add( createSceneGraph( node.nodes[i], node ) );
1332 |
1333 | }
1334 |
1335 | return obj;
1336 |
1337 | };
1338 |
1339 | function getJointId( skin, id ) {
1340 |
1341 | for ( var i = 0; i < skin.joints.length; i ++ ) {
1342 |
1343 | if ( skin.joints[ i ] === id ) {
1344 |
1345 | return i;
1346 |
1347 | }
1348 |
1349 | }
1350 |
1351 | };
1352 |
1353 | function getLibraryNode( id ) {
1354 |
1355 | var nodes = COLLADA.querySelectorAll('library_nodes node');
1356 |
1357 | for ( var i = 0; i < nodes.length; i++ ) {
1358 |
1359 | var attObj = nodes[i].attributes.getNamedItem('id');
1360 |
1361 | if ( attObj && attObj.value === id ) {
1362 |
1363 | return nodes[i];
1364 |
1365 | }
1366 |
1367 | }
1368 |
1369 | return undefined;
1370 |
1371 | };
1372 |
1373 | function getChannelsForNode ( node ) {
1374 |
1375 | var channels = [];
1376 | var startTime = 1000000;
1377 | var endTime = -1000000;
1378 |
1379 | for ( var id in animations ) {
1380 |
1381 | var animation = animations[id];
1382 |
1383 | for ( var i = 0; i < animation.channel.length; i ++ ) {
1384 |
1385 | var channel = animation.channel[i];
1386 | var sampler = animation.sampler[i];
1387 | var id = channel.target.split('/')[0];
1388 |
1389 | if ( id == node.id ) {
1390 |
1391 | sampler.create();
1392 | channel.sampler = sampler;
1393 | startTime = Math.min(startTime, sampler.startTime);
1394 | endTime = Math.max(endTime, sampler.endTime);
1395 | channels.push(channel);
1396 |
1397 | }
1398 |
1399 | }
1400 |
1401 | }
1402 |
1403 | if ( channels.length ) {
1404 |
1405 | node.startTime = startTime;
1406 | node.endTime = endTime;
1407 |
1408 | }
1409 |
1410 | return channels;
1411 |
1412 | };
1413 |
1414 | function calcFrameDuration( node ) {
1415 |
1416 | var minT = 10000000;
1417 |
1418 | for ( var i = 0; i < node.channels.length; i ++ ) {
1419 |
1420 | var sampler = node.channels[i].sampler;
1421 |
1422 | for ( var j = 0; j < sampler.input.length - 1; j ++ ) {
1423 |
1424 | var t0 = sampler.input[ j ];
1425 | var t1 = sampler.input[ j + 1 ];
1426 | minT = Math.min( minT, t1 - t0 );
1427 |
1428 | }
1429 | }
1430 |
1431 | return minT;
1432 |
1433 | };
1434 |
1435 | function calcMatrixAt( node, t ) {
1436 |
1437 | var animated = {};
1438 |
1439 | var i, j;
1440 |
1441 | for ( i = 0; i < node.channels.length; i ++ ) {
1442 |
1443 | var channel = node.channels[ i ];
1444 | animated[ channel.sid ] = channel;
1445 |
1446 | }
1447 |
1448 | var matrix = new THREE.Matrix4();
1449 |
1450 | for ( i = 0; i < node.transforms.length; i ++ ) {
1451 |
1452 | var transform = node.transforms[ i ];
1453 | var channel = animated[ transform.sid ];
1454 |
1455 | if ( channel !== undefined ) {
1456 |
1457 | var sampler = channel.sampler;
1458 | var value;
1459 |
1460 | for ( j = 0; j < sampler.input.length - 1; j ++ ) {
1461 |
1462 | if ( sampler.input[ j + 1 ] > t ) {
1463 |
1464 | value = sampler.output[ j ];
1465 | //console.log(value.flatten)
1466 | break;
1467 |
1468 | }
1469 |
1470 | }
1471 |
1472 | if ( value !== undefined ) {
1473 |
1474 | if ( value instanceof THREE.Matrix4 ) {
1475 |
1476 | matrix.multiplyMatrices( matrix, value );
1477 |
1478 | } else {
1479 |
1480 | // FIXME: handle other types
1481 |
1482 | matrix.multiplyMatrices( matrix, transform.matrix );
1483 |
1484 | }
1485 |
1486 | } else {
1487 |
1488 | matrix.multiplyMatrices( matrix, transform.matrix );
1489 |
1490 | }
1491 |
1492 | } else {
1493 |
1494 | matrix.multiplyMatrices( matrix, transform.matrix );
1495 |
1496 | }
1497 |
1498 | }
1499 |
1500 | return matrix;
1501 |
1502 | };
1503 |
1504 | function bakeAnimations ( node ) {
1505 |
1506 | if ( node.channels && node.channels.length ) {
1507 |
1508 | var keys = [],
1509 | sids = [];
1510 |
1511 | for ( var i = 0, il = node.channels.length; i < il; i ++ ) {
1512 |
1513 | var channel = node.channels[i],
1514 | fullSid = channel.fullSid,
1515 | sampler = channel.sampler,
1516 | input = sampler.input,
1517 | transform = node.getTransformBySid( channel.sid ),
1518 | member;
1519 |
1520 | if ( channel.arrIndices ) {
1521 |
1522 | member = [];
1523 |
1524 | for ( var j = 0, jl = channel.arrIndices.length; j < jl; j ++ ) {
1525 |
1526 | member[ j ] = getConvertedIndex( channel.arrIndices[ j ] );
1527 |
1528 | }
1529 |
1530 | } else {
1531 |
1532 | member = getConvertedMember( channel.member );
1533 |
1534 | }
1535 |
1536 | if ( transform ) {
1537 |
1538 | if ( sids.indexOf( fullSid ) === -1 ) {
1539 |
1540 | sids.push( fullSid );
1541 |
1542 | }
1543 |
1544 | for ( var j = 0, jl = input.length; j < jl; j ++ ) {
1545 |
1546 | var time = input[j],
1547 | data = sampler.getData( transform.type, j, member ),
1548 | key = findKey( keys, time );
1549 |
1550 | if ( !key ) {
1551 |
1552 | key = new Key( time );
1553 | var timeNdx = findTimeNdx( keys, time );
1554 | keys.splice( timeNdx === -1 ? keys.length : timeNdx, 0, key );
1555 |
1556 | }
1557 |
1558 | key.addTarget( fullSid, transform, member, data );
1559 |
1560 | }
1561 |
1562 | } else {
1563 |
1564 | console.log( 'Could not find transform "' + channel.sid + '" in node ' + node.id );
1565 |
1566 | }
1567 |
1568 | }
1569 |
1570 | // post process
1571 | for ( var i = 0; i < sids.length; i ++ ) {
1572 |
1573 | var sid = sids[ i ];
1574 |
1575 | for ( var j = 0; j < keys.length; j ++ ) {
1576 |
1577 | var key = keys[ j ];
1578 |
1579 | if ( !key.hasTarget( sid ) ) {
1580 |
1581 | interpolateKeys( keys, key, j, sid );
1582 |
1583 | }
1584 |
1585 | }
1586 |
1587 | }
1588 |
1589 | node.keys = keys;
1590 | node.sids = sids;
1591 |
1592 | }
1593 |
1594 | };
1595 |
1596 | function findKey ( keys, time) {
1597 |
1598 | var retVal = null;
1599 |
1600 | for ( var i = 0, il = keys.length; i < il && retVal === null; i ++ ) {
1601 |
1602 | var key = keys[i];
1603 |
1604 | if ( key.time === time ) {
1605 |
1606 | retVal = key;
1607 |
1608 | } else if ( key.time > time ) {
1609 |
1610 | break;
1611 |
1612 | }
1613 |
1614 | }
1615 |
1616 | return retVal;
1617 |
1618 | };
1619 |
1620 | function findTimeNdx ( keys, time) {
1621 |
1622 | var ndx = -1;
1623 |
1624 | for ( var i = 0, il = keys.length; i < il && ndx === -1; i ++ ) {
1625 |
1626 | var key = keys[i];
1627 |
1628 | if ( key.time >= time ) {
1629 |
1630 | ndx = i;
1631 |
1632 | }
1633 |
1634 | }
1635 |
1636 | return ndx;
1637 |
1638 | };
1639 |
1640 | function interpolateKeys ( keys, key, ndx, fullSid ) {
1641 |
1642 | var prevKey = getPrevKeyWith( keys, fullSid, ndx ? ndx - 1 : 0 ),
1643 | nextKey = getNextKeyWith( keys, fullSid, ndx + 1 );
1644 |
1645 | if ( prevKey && nextKey ) {
1646 |
1647 | var scale = (key.time - prevKey.time) / (nextKey.time - prevKey.time),
1648 | prevTarget = prevKey.getTarget( fullSid ),
1649 | nextData = nextKey.getTarget( fullSid ).data,
1650 | prevData = prevTarget.data,
1651 | data;
1652 |
1653 | if ( prevTarget.type === 'matrix' ) {
1654 |
1655 | data = prevData;
1656 |
1657 | } else if ( prevData.length ) {
1658 |
1659 | data = [];
1660 |
1661 | for ( var i = 0; i < prevData.length; ++ i ) {
1662 |
1663 | data[ i ] = prevData[ i ] + ( nextData[ i ] - prevData[ i ] ) * scale;
1664 |
1665 | }
1666 |
1667 | } else {
1668 |
1669 | data = prevData + ( nextData - prevData ) * scale;
1670 |
1671 | }
1672 |
1673 | key.addTarget( fullSid, prevTarget.transform, prevTarget.member, data );
1674 |
1675 | }
1676 |
1677 | };
1678 |
1679 | // Get next key with given sid
1680 |
1681 | function getNextKeyWith( keys, fullSid, ndx ) {
1682 |
1683 | for ( ; ndx < keys.length; ndx ++ ) {
1684 |
1685 | var key = keys[ ndx ];
1686 |
1687 | if ( key.hasTarget( fullSid ) ) {
1688 |
1689 | return key;
1690 |
1691 | }
1692 |
1693 | }
1694 |
1695 | return null;
1696 |
1697 | };
1698 |
1699 | // Get previous key with given sid
1700 |
1701 | function getPrevKeyWith( keys, fullSid, ndx ) {
1702 |
1703 | ndx = ndx >= 0 ? ndx : ndx + keys.length;
1704 |
1705 | for ( ; ndx >= 0; ndx -- ) {
1706 |
1707 | var key = keys[ ndx ];
1708 |
1709 | if ( key.hasTarget( fullSid ) ) {
1710 |
1711 | return key;
1712 |
1713 | }
1714 |
1715 | }
1716 |
1717 | return null;
1718 |
1719 | };
1720 |
1721 | function _Image() {
1722 |
1723 | this.id = "";
1724 | this.init_from = "";
1725 |
1726 | };
1727 |
1728 | _Image.prototype.parse = function(element) {
1729 |
1730 | this.id = element.getAttribute('id');
1731 |
1732 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1733 |
1734 | var child = element.childNodes[ i ];
1735 |
1736 | if ( child.nodeName === 'init_from' ) {
1737 |
1738 | this.init_from = child.textContent;
1739 |
1740 | }
1741 |
1742 | }
1743 |
1744 | return this;
1745 |
1746 | };
1747 |
1748 | function Controller() {
1749 |
1750 | this.id = "";
1751 | this.name = "";
1752 | this.type = "";
1753 | this.skin = null;
1754 | this.morph = null;
1755 |
1756 | };
1757 |
1758 | Controller.prototype.parse = function( element ) {
1759 |
1760 | this.id = element.getAttribute('id');
1761 | this.name = element.getAttribute('name');
1762 | this.type = "none";
1763 |
1764 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1765 |
1766 | var child = element.childNodes[ i ];
1767 |
1768 | switch ( child.nodeName ) {
1769 |
1770 | case 'skin':
1771 |
1772 | this.skin = (new Skin()).parse(child);
1773 | this.type = child.nodeName;
1774 | break;
1775 |
1776 | case 'morph':
1777 |
1778 | this.morph = (new Morph()).parse(child);
1779 | this.type = child.nodeName;
1780 | break;
1781 |
1782 | default:
1783 | break;
1784 |
1785 | }
1786 | }
1787 |
1788 | return this;
1789 |
1790 | };
1791 |
1792 | function Morph() {
1793 |
1794 | this.method = null;
1795 | this.source = null;
1796 | this.targets = null;
1797 | this.weights = null;
1798 |
1799 | };
1800 |
1801 | Morph.prototype.parse = function( element ) {
1802 |
1803 | var sources = {};
1804 | var inputs = [];
1805 | var i;
1806 |
1807 | this.method = element.getAttribute( 'method' );
1808 | this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
1809 |
1810 | for ( i = 0; i < element.childNodes.length; i ++ ) {
1811 |
1812 | var child = element.childNodes[ i ];
1813 | if ( child.nodeType != 1 ) continue;
1814 |
1815 | switch ( child.nodeName ) {
1816 |
1817 | case 'source':
1818 |
1819 | var source = ( new Source() ).parse( child );
1820 | sources[ source.id ] = source;
1821 | break;
1822 |
1823 | case 'targets':
1824 |
1825 | inputs = this.parseInputs( child );
1826 | break;
1827 |
1828 | default:
1829 |
1830 | console.log( child.nodeName );
1831 | break;
1832 |
1833 | }
1834 |
1835 | }
1836 |
1837 | for ( i = 0; i < inputs.length; i ++ ) {
1838 |
1839 | var input = inputs[ i ];
1840 | var source = sources[ input.source ];
1841 |
1842 | switch ( input.semantic ) {
1843 |
1844 | case 'MORPH_TARGET':
1845 |
1846 | this.targets = source.read();
1847 | break;
1848 |
1849 | case 'MORPH_WEIGHT':
1850 |
1851 | this.weights = source.read();
1852 | break;
1853 |
1854 | default:
1855 | break;
1856 |
1857 | }
1858 | }
1859 |
1860 | return this;
1861 |
1862 | };
1863 |
1864 | Morph.prototype.parseInputs = function(element) {
1865 |
1866 | var inputs = [];
1867 |
1868 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1869 |
1870 | var child = element.childNodes[i];
1871 | if ( child.nodeType != 1) continue;
1872 |
1873 | switch ( child.nodeName ) {
1874 |
1875 | case 'input':
1876 |
1877 | inputs.push( (new Input()).parse(child) );
1878 | break;
1879 |
1880 | default:
1881 | break;
1882 | }
1883 | }
1884 |
1885 | return inputs;
1886 |
1887 | };
1888 |
1889 | function Skin() {
1890 |
1891 | this.source = "";
1892 | this.bindShapeMatrix = null;
1893 | this.invBindMatrices = [];
1894 | this.joints = [];
1895 | this.weights = [];
1896 |
1897 | };
1898 |
1899 | Skin.prototype.parse = function( element ) {
1900 |
1901 | var sources = {};
1902 | var joints, weights;
1903 |
1904 | this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
1905 | this.invBindMatrices = [];
1906 | this.joints = [];
1907 | this.weights = [];
1908 |
1909 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1910 |
1911 | var child = element.childNodes[i];
1912 | if ( child.nodeType != 1 ) continue;
1913 |
1914 | switch ( child.nodeName ) {
1915 |
1916 | case 'bind_shape_matrix':
1917 |
1918 | var f = _floats(child.textContent);
1919 | this.bindShapeMatrix = getConvertedMat4( f );
1920 | break;
1921 |
1922 | case 'source':
1923 |
1924 | var src = new Source().parse(child);
1925 | sources[ src.id ] = src;
1926 | break;
1927 |
1928 | case 'joints':
1929 |
1930 | joints = child;
1931 | break;
1932 |
1933 | case 'vertex_weights':
1934 |
1935 | weights = child;
1936 | break;
1937 |
1938 | default:
1939 |
1940 | console.log( child.nodeName );
1941 | break;
1942 |
1943 | }
1944 | }
1945 |
1946 | this.parseJoints( joints, sources );
1947 | this.parseWeights( weights, sources );
1948 |
1949 | return this;
1950 |
1951 | };
1952 |
1953 | Skin.prototype.parseJoints = function ( element, sources ) {
1954 |
1955 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1956 |
1957 | var child = element.childNodes[ i ];
1958 | if ( child.nodeType != 1 ) continue;
1959 |
1960 | switch ( child.nodeName ) {
1961 |
1962 | case 'input':
1963 |
1964 | var input = ( new Input() ).parse( child );
1965 | var source = sources[ input.source ];
1966 |
1967 | if ( input.semantic === 'JOINT' ) {
1968 |
1969 | this.joints = source.read();
1970 |
1971 | } else if ( input.semantic === 'INV_BIND_MATRIX' ) {
1972 |
1973 | this.invBindMatrices = source.read();
1974 |
1975 | }
1976 |
1977 | break;
1978 |
1979 | default:
1980 | break;
1981 | }
1982 |
1983 | }
1984 |
1985 | };
1986 |
1987 | Skin.prototype.parseWeights = function ( element, sources ) {
1988 |
1989 | var v, vcount, inputs = [];
1990 |
1991 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
1992 |
1993 | var child = element.childNodes[ i ];
1994 | if ( child.nodeType != 1 ) continue;
1995 |
1996 | switch ( child.nodeName ) {
1997 |
1998 | case 'input':
1999 |
2000 | inputs.push( ( new Input() ).parse( child ) );
2001 | break;
2002 |
2003 | case 'v':
2004 |
2005 | v = _ints( child.textContent );
2006 | break;
2007 |
2008 | case 'vcount':
2009 |
2010 | vcount = _ints( child.textContent );
2011 | break;
2012 |
2013 | default:
2014 | break;
2015 |
2016 | }
2017 |
2018 | }
2019 |
2020 | var index = 0;
2021 |
2022 | for ( var i = 0; i < vcount.length; i ++ ) {
2023 |
2024 | var numBones = vcount[i];
2025 | var vertex_weights = [];
2026 |
2027 | for ( var j = 0; j < numBones; j ++ ) {
2028 |
2029 | var influence = {};
2030 |
2031 | for ( var k = 0; k < inputs.length; k ++ ) {
2032 |
2033 | var input = inputs[ k ];
2034 | var value = v[ index + input.offset ];
2035 |
2036 | switch ( input.semantic ) {
2037 |
2038 | case 'JOINT':
2039 |
2040 | influence.joint = value;//this.joints[value];
2041 | break;
2042 |
2043 | case 'WEIGHT':
2044 |
2045 | influence.weight = sources[ input.source ].data[ value ];
2046 | break;
2047 |
2048 | default:
2049 | break;
2050 |
2051 | }
2052 |
2053 | }
2054 |
2055 | vertex_weights.push( influence );
2056 | index += inputs.length;
2057 | }
2058 |
2059 | for ( var j = 0; j < vertex_weights.length; j ++ ) {
2060 |
2061 | vertex_weights[ j ].index = i;
2062 |
2063 | }
2064 |
2065 | this.weights.push( vertex_weights );
2066 |
2067 | }
2068 |
2069 | };
2070 |
2071 | function VisualScene () {
2072 |
2073 | this.id = "";
2074 | this.name = "";
2075 | this.nodes = [];
2076 | this.scene = new THREE.Group();
2077 |
2078 | };
2079 |
2080 | VisualScene.prototype.getChildById = function( id, recursive ) {
2081 |
2082 | for ( var i = 0; i < this.nodes.length; i ++ ) {
2083 |
2084 | var node = this.nodes[ i ].getChildById( id, recursive );
2085 |
2086 | if ( node ) {
2087 |
2088 | return node;
2089 |
2090 | }
2091 |
2092 | }
2093 |
2094 | return null;
2095 |
2096 | };
2097 |
2098 | VisualScene.prototype.getChildBySid = function( sid, recursive ) {
2099 |
2100 | for ( var i = 0; i < this.nodes.length; i ++ ) {
2101 |
2102 | var node = this.nodes[ i ].getChildBySid( sid, recursive );
2103 |
2104 | if ( node ) {
2105 |
2106 | return node;
2107 |
2108 | }
2109 |
2110 | }
2111 |
2112 | return null;
2113 |
2114 | };
2115 |
2116 | VisualScene.prototype.parse = function( element ) {
2117 |
2118 | this.id = element.getAttribute( 'id' );
2119 | this.name = element.getAttribute( 'name' );
2120 | this.nodes = [];
2121 |
2122 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2123 |
2124 | var child = element.childNodes[ i ];
2125 | if ( child.nodeType != 1 ) continue;
2126 |
2127 | switch ( child.nodeName ) {
2128 |
2129 | case 'node':
2130 |
2131 | this.nodes.push( ( new Node() ).parse( child ) );
2132 | break;
2133 |
2134 | default:
2135 | break;
2136 |
2137 | }
2138 |
2139 | }
2140 |
2141 | return this;
2142 |
2143 | };
2144 |
2145 | function Node() {
2146 |
2147 | this.id = "";
2148 | this.name = "";
2149 | this.sid = "";
2150 | this.nodes = [];
2151 | this.controllers = [];
2152 | this.transforms = [];
2153 | this.geometries = [];
2154 | this.channels = [];
2155 | this.matrix = new THREE.Matrix4();
2156 |
2157 | };
2158 |
2159 | Node.prototype.getChannelForTransform = function( transformSid ) {
2160 |
2161 | for ( var i = 0; i < this.channels.length; i ++ ) {
2162 |
2163 | var channel = this.channels[i];
2164 | var parts = channel.target.split('/');
2165 | var id = parts.shift();
2166 | var sid = parts.shift();
2167 | var dotSyntax = (sid.indexOf(".") >= 0);
2168 | var arrSyntax = (sid.indexOf("(") >= 0);
2169 | var arrIndices;
2170 | var member;
2171 |
2172 | if ( dotSyntax ) {
2173 |
2174 | parts = sid.split(".");
2175 | sid = parts.shift();
2176 | member = parts.shift();
2177 |
2178 | } else if ( arrSyntax ) {
2179 |
2180 | arrIndices = sid.split("(");
2181 | sid = arrIndices.shift();
2182 |
2183 | for ( var j = 0; j < arrIndices.length; j ++ ) {
2184 |
2185 | arrIndices[ j ] = parseInt( arrIndices[ j ].replace( /\)/, '' ) );
2186 |
2187 | }
2188 |
2189 | }
2190 |
2191 | if ( sid === transformSid ) {
2192 |
2193 | channel.info = { sid: sid, dotSyntax: dotSyntax, arrSyntax: arrSyntax, arrIndices: arrIndices };
2194 | return channel;
2195 |
2196 | }
2197 |
2198 | }
2199 |
2200 | return null;
2201 |
2202 | };
2203 |
2204 | Node.prototype.getChildById = function ( id, recursive ) {
2205 |
2206 | if ( this.id === id ) {
2207 |
2208 | return this;
2209 |
2210 | }
2211 |
2212 | if ( recursive ) {
2213 |
2214 | for ( var i = 0; i < this.nodes.length; i ++ ) {
2215 |
2216 | var n = this.nodes[ i ].getChildById( id, recursive );
2217 |
2218 | if ( n ) {
2219 |
2220 | return n;
2221 |
2222 | }
2223 |
2224 | }
2225 |
2226 | }
2227 |
2228 | return null;
2229 |
2230 | };
2231 |
2232 | Node.prototype.getChildBySid = function ( sid, recursive ) {
2233 |
2234 | if ( this.sid === sid ) {
2235 |
2236 | return this;
2237 |
2238 | }
2239 |
2240 | if ( recursive ) {
2241 |
2242 | for ( var i = 0; i < this.nodes.length; i ++ ) {
2243 |
2244 | var n = this.nodes[ i ].getChildBySid( sid, recursive );
2245 |
2246 | if ( n ) {
2247 |
2248 | return n;
2249 |
2250 | }
2251 |
2252 | }
2253 | }
2254 |
2255 | return null;
2256 |
2257 | };
2258 |
2259 | Node.prototype.getTransformBySid = function ( sid ) {
2260 |
2261 | for ( var i = 0; i < this.transforms.length; i ++ ) {
2262 |
2263 | if ( this.transforms[ i ].sid === sid ) return this.transforms[ i ];
2264 |
2265 | }
2266 |
2267 | return null;
2268 |
2269 | };
2270 |
2271 | Node.prototype.parse = function( element ) {
2272 |
2273 | var url;
2274 |
2275 | this.id = element.getAttribute('id');
2276 | this.sid = element.getAttribute('sid');
2277 | this.name = element.getAttribute('name');
2278 | this.type = element.getAttribute('type');
2279 | this.layer = element.getAttribute('layer');
2280 |
2281 | this.type = this.type === 'JOINT' ? this.type : 'NODE';
2282 |
2283 | this.nodes = [];
2284 | this.transforms = [];
2285 | this.geometries = [];
2286 | this.cameras = [];
2287 | this.lights = [];
2288 | this.controllers = [];
2289 | this.matrix = new THREE.Matrix4();
2290 |
2291 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2292 |
2293 | var child = element.childNodes[ i ];
2294 | if ( child.nodeType != 1 ) continue;
2295 |
2296 | switch ( child.nodeName ) {
2297 |
2298 | case 'node':
2299 |
2300 | this.nodes.push( ( new Node() ).parse( child ) );
2301 | break;
2302 |
2303 | case 'instance_camera':
2304 |
2305 | this.cameras.push( ( new InstanceCamera() ).parse( child ) );
2306 | break;
2307 |
2308 | case 'instance_controller':
2309 |
2310 | this.controllers.push( ( new InstanceController() ).parse( child ) );
2311 | break;
2312 |
2313 | case 'instance_geometry':
2314 |
2315 | this.geometries.push( ( new InstanceGeometry() ).parse( child ) );
2316 | break;
2317 |
2318 | case 'instance_light':
2319 |
2320 | this.lights.push( ( new InstanceLight() ).parse( child ) );
2321 | break;
2322 |
2323 | case 'instance_node':
2324 |
2325 | url = child.getAttribute( 'url' ).replace( /^#/, '' );
2326 | var iNode = getLibraryNode( url );
2327 |
2328 | if ( iNode ) {
2329 |
2330 | this.nodes.push( ( new Node() ).parse( iNode )) ;
2331 |
2332 | }
2333 |
2334 | break;
2335 |
2336 | case 'rotate':
2337 | case 'translate':
2338 | case 'scale':
2339 | case 'matrix':
2340 | case 'lookat':
2341 | case 'skew':
2342 |
2343 | this.transforms.push( ( new Transform() ).parse( child ) );
2344 | break;
2345 |
2346 | case 'extra':
2347 | break;
2348 |
2349 | default:
2350 |
2351 | console.log( child.nodeName );
2352 | break;
2353 |
2354 | }
2355 |
2356 | }
2357 |
2358 | this.channels = getChannelsForNode( this );
2359 | bakeAnimations( this );
2360 |
2361 | this.updateMatrix();
2362 |
2363 | return this;
2364 |
2365 | };
2366 |
2367 | Node.prototype.updateMatrix = function () {
2368 |
2369 | this.matrix.identity();
2370 |
2371 | for ( var i = 0; i < this.transforms.length; i ++ ) {
2372 |
2373 | this.transforms[ i ].apply( this.matrix );
2374 |
2375 | }
2376 |
2377 | };
2378 |
2379 | function Transform () {
2380 |
2381 | this.sid = "";
2382 | this.type = "";
2383 | this.data = [];
2384 | this.obj = null;
2385 |
2386 | };
2387 |
2388 | Transform.prototype.parse = function ( element ) {
2389 |
2390 | this.sid = element.getAttribute( 'sid' );
2391 | this.type = element.nodeName;
2392 | this.data = _floats( element.textContent );
2393 | this.convert();
2394 |
2395 | return this;
2396 |
2397 | };
2398 |
2399 | Transform.prototype.convert = function () {
2400 |
2401 | switch ( this.type ) {
2402 |
2403 | case 'matrix':
2404 |
2405 | this.obj = getConvertedMat4( this.data );
2406 | break;
2407 |
2408 | case 'rotate':
2409 |
2410 | this.angle = THREE.Math.degToRad( this.data[3] );
2411 |
2412 | case 'translate':
2413 |
2414 | fixCoords( this.data, -1 );
2415 | this.obj = new THREE.Vector3( this.data[ 0 ], this.data[ 1 ], this.data[ 2 ] );
2416 | break;
2417 |
2418 | case 'scale':
2419 |
2420 | fixCoords( this.data, 1 );
2421 | this.obj = new THREE.Vector3( this.data[ 0 ], this.data[ 1 ], this.data[ 2 ] );
2422 | break;
2423 |
2424 | default:
2425 | console.log( 'Can not convert Transform of type ' + this.type );
2426 | break;
2427 |
2428 | }
2429 |
2430 | };
2431 |
2432 | Transform.prototype.apply = function () {
2433 |
2434 | var m1 = new THREE.Matrix4();
2435 |
2436 | return function ( matrix ) {
2437 |
2438 | switch ( this.type ) {
2439 |
2440 | case 'matrix':
2441 |
2442 | matrix.multiply( this.obj );
2443 |
2444 | break;
2445 |
2446 | case 'translate':
2447 |
2448 | matrix.multiply( m1.makeTranslation( this.obj.x, this.obj.y, this.obj.z ) );
2449 |
2450 | break;
2451 |
2452 | case 'rotate':
2453 |
2454 | matrix.multiply( m1.makeRotationAxis( this.obj, this.angle ) );
2455 |
2456 | break;
2457 |
2458 | case 'scale':
2459 |
2460 | matrix.scale( this.obj );
2461 |
2462 | break;
2463 |
2464 | }
2465 |
2466 | };
2467 |
2468 | }();
2469 |
2470 | Transform.prototype.update = function ( data, member ) {
2471 |
2472 | var members = [ 'X', 'Y', 'Z', 'ANGLE' ];
2473 |
2474 | switch ( this.type ) {
2475 |
2476 | case 'matrix':
2477 |
2478 | if ( ! member ) {
2479 |
2480 | this.obj.copy( data );
2481 |
2482 | } else if ( member.length === 1 ) {
2483 |
2484 | switch ( member[ 0 ] ) {
2485 |
2486 | case 0:
2487 |
2488 | this.obj.n11 = data[ 0 ];
2489 | this.obj.n21 = data[ 1 ];
2490 | this.obj.n31 = data[ 2 ];
2491 | this.obj.n41 = data[ 3 ];
2492 |
2493 | break;
2494 |
2495 | case 1:
2496 |
2497 | this.obj.n12 = data[ 0 ];
2498 | this.obj.n22 = data[ 1 ];
2499 | this.obj.n32 = data[ 2 ];
2500 | this.obj.n42 = data[ 3 ];
2501 |
2502 | break;
2503 |
2504 | case 2:
2505 |
2506 | this.obj.n13 = data[ 0 ];
2507 | this.obj.n23 = data[ 1 ];
2508 | this.obj.n33 = data[ 2 ];
2509 | this.obj.n43 = data[ 3 ];
2510 |
2511 | break;
2512 |
2513 | case 3:
2514 |
2515 | this.obj.n14 = data[ 0 ];
2516 | this.obj.n24 = data[ 1 ];
2517 | this.obj.n34 = data[ 2 ];
2518 | this.obj.n44 = data[ 3 ];
2519 |
2520 | break;
2521 |
2522 | }
2523 |
2524 | } else if ( member.length === 2 ) {
2525 |
2526 | var propName = 'n' + ( member[ 0 ] + 1 ) + ( member[ 1 ] + 1 );
2527 | this.obj[ propName ] = data;
2528 |
2529 | } else {
2530 |
2531 | console.log('Incorrect addressing of matrix in transform.');
2532 |
2533 | }
2534 |
2535 | break;
2536 |
2537 | case 'translate':
2538 | case 'scale':
2539 |
2540 | if ( Object.prototype.toString.call( member ) === '[object Array]' ) {
2541 |
2542 | member = members[ member[ 0 ] ];
2543 |
2544 | }
2545 |
2546 | switch ( member ) {
2547 |
2548 | case 'X':
2549 |
2550 | this.obj.x = data;
2551 | break;
2552 |
2553 | case 'Y':
2554 |
2555 | this.obj.y = data;
2556 | break;
2557 |
2558 | case 'Z':
2559 |
2560 | this.obj.z = data;
2561 | break;
2562 |
2563 | default:
2564 |
2565 | this.obj.x = data[ 0 ];
2566 | this.obj.y = data[ 1 ];
2567 | this.obj.z = data[ 2 ];
2568 | break;
2569 |
2570 | }
2571 |
2572 | break;
2573 |
2574 | case 'rotate':
2575 |
2576 | if ( Object.prototype.toString.call( member ) === '[object Array]' ) {
2577 |
2578 | member = members[ member[ 0 ] ];
2579 |
2580 | }
2581 |
2582 | switch ( member ) {
2583 |
2584 | case 'X':
2585 |
2586 | this.obj.x = data;
2587 | break;
2588 |
2589 | case 'Y':
2590 |
2591 | this.obj.y = data;
2592 | break;
2593 |
2594 | case 'Z':
2595 |
2596 | this.obj.z = data;
2597 | break;
2598 |
2599 | case 'ANGLE':
2600 |
2601 | this.angle = THREE.Math.degToRad( data );
2602 | break;
2603 |
2604 | default:
2605 |
2606 | this.obj.x = data[ 0 ];
2607 | this.obj.y = data[ 1 ];
2608 | this.obj.z = data[ 2 ];
2609 | this.angle = THREE.Math.degToRad( data[ 3 ] );
2610 | break;
2611 |
2612 | }
2613 | break;
2614 |
2615 | }
2616 |
2617 | };
2618 |
2619 | function InstanceController() {
2620 |
2621 | this.url = "";
2622 | this.skeleton = [];
2623 | this.instance_material = [];
2624 |
2625 | };
2626 |
2627 | InstanceController.prototype.parse = function ( element ) {
2628 |
2629 | this.url = element.getAttribute('url').replace(/^#/, '');
2630 | this.skeleton = [];
2631 | this.instance_material = [];
2632 |
2633 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2634 |
2635 | var child = element.childNodes[ i ];
2636 | if ( child.nodeType !== 1 ) continue;
2637 |
2638 | switch ( child.nodeName ) {
2639 |
2640 | case 'skeleton':
2641 |
2642 | this.skeleton.push( child.textContent.replace(/^#/, '') );
2643 | break;
2644 |
2645 | case 'bind_material':
2646 |
2647 | var instances = child.querySelectorAll('instance_material');
2648 |
2649 | for ( var j = 0; j < instances.length; j ++ ) {
2650 |
2651 | var instance = instances[j];
2652 | this.instance_material.push( (new InstanceMaterial()).parse(instance) );
2653 |
2654 | }
2655 |
2656 |
2657 | break;
2658 |
2659 | case 'extra':
2660 | break;
2661 |
2662 | default:
2663 | break;
2664 |
2665 | }
2666 | }
2667 |
2668 | return this;
2669 |
2670 | };
2671 |
2672 | function InstanceMaterial () {
2673 |
2674 | this.symbol = "";
2675 | this.target = "";
2676 |
2677 | };
2678 |
2679 | InstanceMaterial.prototype.parse = function ( element ) {
2680 |
2681 | this.symbol = element.getAttribute('symbol');
2682 | this.target = element.getAttribute('target').replace(/^#/, '');
2683 | return this;
2684 |
2685 | };
2686 |
2687 | function InstanceGeometry() {
2688 |
2689 | this.url = "";
2690 | this.instance_material = [];
2691 |
2692 | };
2693 |
2694 | InstanceGeometry.prototype.parse = function ( element ) {
2695 |
2696 | this.url = element.getAttribute('url').replace(/^#/, '');
2697 | this.instance_material = [];
2698 |
2699 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2700 |
2701 | var child = element.childNodes[i];
2702 | if ( child.nodeType != 1 ) continue;
2703 |
2704 | if ( child.nodeName === 'bind_material' ) {
2705 |
2706 | var instances = child.querySelectorAll('instance_material');
2707 |
2708 | for ( var j = 0; j < instances.length; j ++ ) {
2709 |
2710 | var instance = instances[j];
2711 | this.instance_material.push( (new InstanceMaterial()).parse(instance) );
2712 |
2713 | }
2714 |
2715 | break;
2716 |
2717 | }
2718 |
2719 | }
2720 |
2721 | return this;
2722 |
2723 | };
2724 |
2725 | function Geometry() {
2726 |
2727 | this.id = "";
2728 | this.mesh = null;
2729 |
2730 | };
2731 |
2732 | Geometry.prototype.parse = function ( element ) {
2733 |
2734 | this.id = element.getAttribute('id');
2735 |
2736 | extractDoubleSided( this, element );
2737 |
2738 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2739 |
2740 | var child = element.childNodes[i];
2741 |
2742 | switch ( child.nodeName ) {
2743 |
2744 | case 'mesh':
2745 |
2746 | this.mesh = (new Mesh(this)).parse(child);
2747 | break;
2748 |
2749 | case 'extra':
2750 |
2751 | // console.log( child );
2752 | break;
2753 |
2754 | default:
2755 | break;
2756 | }
2757 | }
2758 |
2759 | return this;
2760 |
2761 | };
2762 |
2763 | function Mesh( geometry ) {
2764 |
2765 | this.geometry = geometry.id;
2766 | this.primitives = [];
2767 | this.vertices = null;
2768 | this.geometry3js = null;
2769 |
2770 | };
2771 |
2772 | Mesh.prototype.parse = function ( element ) {
2773 |
2774 | this.primitives = [];
2775 |
2776 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
2777 |
2778 | var child = element.childNodes[ i ];
2779 |
2780 | switch ( child.nodeName ) {
2781 |
2782 | case 'source':
2783 |
2784 | _source( child );
2785 | break;
2786 |
2787 | case 'vertices':
2788 |
2789 | this.vertices = ( new Vertices() ).parse( child );
2790 | break;
2791 |
2792 | case 'linestrips':
2793 |
2794 | this.primitives.push( ( new LineStrips().parse( child ) ) );
2795 | break;
2796 |
2797 | case 'triangles':
2798 |
2799 | this.primitives.push( ( new Triangles().parse( child ) ) );
2800 | break;
2801 |
2802 | case 'polygons':
2803 |
2804 | this.primitives.push( ( new Polygons().parse( child ) ) );
2805 | break;
2806 |
2807 | case 'polylist':
2808 |
2809 | this.primitives.push( ( new Polylist().parse( child ) ) );
2810 | break;
2811 |
2812 | default:
2813 | break;
2814 |
2815 | }
2816 |
2817 | }
2818 |
2819 | this.geometry3js = new THREE.Geometry();
2820 |
2821 | if ( this.vertices === null ) {
2822 |
2823 | // TODO (mrdoob): Study case when this is null (carrier.dae)
2824 |
2825 | return this;
2826 |
2827 | }
2828 |
2829 | var vertexData = sources[ this.vertices.input['POSITION'].source ].data;
2830 |
2831 | for ( var i = 0; i < vertexData.length; i += 3 ) {
2832 |
2833 | this.geometry3js.vertices.push( getConvertedVec3( vertexData, i ).clone() );
2834 |
2835 | }
2836 |
2837 | for ( var i = 0; i < this.primitives.length; i ++ ) {
2838 |
2839 | var primitive = this.primitives[ i ];
2840 | primitive.setVertices( this.vertices );
2841 | this.handlePrimitive( primitive, this.geometry3js );
2842 |
2843 | }
2844 |
2845 | if ( this.geometry3js.calcNormals ) {
2846 |
2847 | this.geometry3js.computeVertexNormals();
2848 | delete this.geometry3js.calcNormals;
2849 |
2850 | }
2851 |
2852 | return this;
2853 |
2854 | };
2855 |
2856 | Mesh.prototype.handlePrimitive = function ( primitive, geom ) {
2857 |
2858 | if ( primitive instanceof LineStrips ) {
2859 |
2860 | // TODO: Handle indices. Maybe easier with BufferGeometry?
2861 |
2862 | geom.isLineStrip = true;
2863 | return;
2864 |
2865 | }
2866 |
2867 | var j, k, pList = primitive.p, inputs = primitive.inputs;
2868 | var input, index, idx32;
2869 | var source, numParams;
2870 | var vcIndex = 0, vcount = 3, maxOffset = 0;
2871 | var texture_sets = [];
2872 |
2873 | for ( j = 0; j < inputs.length; j ++ ) {
2874 |
2875 | input = inputs[ j ];
2876 |
2877 | var offset = input.offset + 1;
2878 | maxOffset = (maxOffset < offset) ? offset : maxOffset;
2879 |
2880 | switch ( input.semantic ) {
2881 |
2882 | case 'TEXCOORD':
2883 | texture_sets.push( input.set );
2884 | break;
2885 |
2886 | }
2887 |
2888 | }
2889 |
2890 | for ( var pCount = 0; pCount < pList.length; ++ pCount ) {
2891 |
2892 | var p = pList[ pCount ], i = 0;
2893 |
2894 | while ( i < p.length ) {
2895 |
2896 | var vs = [];
2897 | var ns = [];
2898 | var ts = null;
2899 | var cs = [];
2900 |
2901 | if ( primitive.vcount ) {
2902 |
2903 | vcount = primitive.vcount.length ? primitive.vcount[ vcIndex ++ ] : primitive.vcount;
2904 |
2905 | } else {
2906 |
2907 | vcount = p.length / maxOffset;
2908 |
2909 | }
2910 |
2911 |
2912 | for ( j = 0; j < vcount; j ++ ) {
2913 |
2914 | for ( k = 0; k < inputs.length; k ++ ) {
2915 |
2916 | input = inputs[ k ];
2917 | source = sources[ input.source ];
2918 |
2919 | index = p[ i + ( j * maxOffset ) + input.offset ];
2920 | numParams = source.accessor.params.length;
2921 | idx32 = index * numParams;
2922 |
2923 | switch ( input.semantic ) {
2924 |
2925 | case 'VERTEX':
2926 |
2927 | vs.push( index );
2928 |
2929 | break;
2930 |
2931 | case 'NORMAL':
2932 |
2933 | ns.push( getConvertedVec3( source.data, idx32 ) );
2934 |
2935 | break;
2936 |
2937 | case 'TEXCOORD':
2938 |
2939 | ts = ts || { };
2940 | if ( ts[ input.set ] === undefined ) ts[ input.set ] = [];
2941 | // invert the V
2942 | ts[ input.set ].push( new THREE.Vector2( source.data[ idx32 ], source.data[ idx32 + 1 ] ) );
2943 |
2944 | break;
2945 |
2946 | case 'COLOR':
2947 |
2948 | cs.push( new THREE.Color().setRGB( source.data[ idx32 ], source.data[ idx32 + 1 ], source.data[ idx32 + 2 ] ) );
2949 |
2950 | break;
2951 |
2952 | default:
2953 |
2954 | break;
2955 |
2956 | }
2957 |
2958 | }
2959 |
2960 | }
2961 |
2962 | if ( ns.length === 0 ) {
2963 |
2964 | // check the vertices inputs
2965 | input = this.vertices.input.NORMAL;
2966 |
2967 | if ( input ) {
2968 |
2969 | source = sources[ input.source ];
2970 | numParams = source.accessor.params.length;
2971 |
2972 | for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
2973 |
2974 | ns.push( getConvertedVec3( source.data, vs[ ndx ] * numParams ) );
2975 |
2976 | }
2977 |
2978 | } else {
2979 |
2980 | geom.calcNormals = true;
2981 |
2982 | }
2983 |
2984 | }
2985 |
2986 | if ( !ts ) {
2987 |
2988 | ts = { };
2989 | // check the vertices inputs
2990 | input = this.vertices.input.TEXCOORD;
2991 |
2992 | if ( input ) {
2993 |
2994 | texture_sets.push( input.set );
2995 | source = sources[ input.source ];
2996 | numParams = source.accessor.params.length;
2997 |
2998 | for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
2999 |
3000 | idx32 = vs[ ndx ] * numParams;
3001 | if ( ts[ input.set ] === undefined ) ts[ input.set ] = [ ];
3002 | // invert the V
3003 | ts[ input.set ].push( new THREE.Vector2( source.data[ idx32 ], 1.0 - source.data[ idx32 + 1 ] ) );
3004 |
3005 | }
3006 |
3007 | }
3008 |
3009 | }
3010 |
3011 | if ( cs.length === 0 ) {
3012 |
3013 | // check the vertices inputs
3014 | input = this.vertices.input.COLOR;
3015 |
3016 | if ( input ) {
3017 |
3018 | source = sources[ input.source ];
3019 | numParams = source.accessor.params.length;
3020 |
3021 | for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
3022 |
3023 | idx32 = vs[ ndx ] * numParams;
3024 | cs.push( new THREE.Color().setRGB( source.data[ idx32 ], source.data[ idx32 + 1 ], source.data[ idx32 + 2 ] ) );
3025 |
3026 | }
3027 |
3028 | }
3029 |
3030 | }
3031 |
3032 | var face = null, faces = [], uv, uvArr;
3033 |
3034 | if ( vcount === 3 ) {
3035 |
3036 | faces.push( new THREE.Face3( vs[0], vs[1], vs[2], ns, cs.length ? cs : new THREE.Color() ) );
3037 |
3038 | } else if ( vcount === 4 ) {
3039 |
3040 | faces.push( new THREE.Face3( vs[0], vs[1], vs[3], [ ns[0].clone(), ns[1].clone(), ns[3].clone() ], cs.length ? [ cs[0], cs[1], cs[3] ] : new THREE.Color() ) );
3041 |
3042 | faces.push( new THREE.Face3( vs[1], vs[2], vs[3], [ ns[1].clone(), ns[2].clone(), ns[3].clone() ], cs.length ? [ cs[1], cs[2], cs[3] ] : new THREE.Color() ) );
3043 |
3044 | } else if ( vcount > 4 && options.subdivideFaces ) {
3045 |
3046 | var clr = cs.length ? cs : new THREE.Color(),
3047 | vec1, vec2, vec3, v1, v2, norm;
3048 |
3049 | // subdivide into multiple Face3s
3050 |
3051 | for ( k = 1; k < vcount - 1; ) {
3052 |
3053 | faces.push( new THREE.Face3( vs[0], vs[k], vs[k + 1], [ ns[0].clone(), ns[k ++].clone(), ns[k].clone() ], clr ) );
3054 |
3055 | }
3056 |
3057 | }
3058 |
3059 | if ( faces.length ) {
3060 |
3061 | for ( var ndx = 0, len = faces.length; ndx < len; ndx ++ ) {
3062 |
3063 | face = faces[ndx];
3064 | face.daeMaterial = primitive.material;
3065 | geom.faces.push( face );
3066 |
3067 | for ( k = 0; k < texture_sets.length; k ++ ) {
3068 |
3069 | uv = ts[ texture_sets[k] ];
3070 |
3071 | if ( vcount > 4 ) {
3072 |
3073 | // Grab the right UVs for the vertices in this face
3074 | uvArr = [ uv[0], uv[ndx + 1], uv[ndx + 2] ];
3075 |
3076 | } else if ( vcount === 4 ) {
3077 |
3078 | if ( ndx === 0 ) {
3079 |
3080 | uvArr = [ uv[0], uv[1], uv[3] ];
3081 |
3082 | } else {
3083 |
3084 | uvArr = [ uv[1].clone(), uv[2], uv[3].clone() ];
3085 |
3086 | }
3087 |
3088 | } else {
3089 |
3090 | uvArr = [ uv[0], uv[1], uv[2] ];
3091 |
3092 | }
3093 |
3094 | if ( geom.faceVertexUvs[k] === undefined ) {
3095 |
3096 | geom.faceVertexUvs[k] = [];
3097 |
3098 | }
3099 |
3100 | geom.faceVertexUvs[k].push( uvArr );
3101 |
3102 | }
3103 |
3104 | }
3105 |
3106 | } else {
3107 |
3108 | console.log( 'dropped face with vcount ' + vcount + ' for geometry with id: ' + geom.id );
3109 |
3110 | }
3111 |
3112 | i += maxOffset * vcount;
3113 |
3114 | }
3115 |
3116 | }
3117 |
3118 | };
3119 |
3120 | function Polygons () {
3121 |
3122 | this.material = "";
3123 | this.count = 0;
3124 | this.inputs = [];
3125 | this.vcount = null;
3126 | this.p = [];
3127 | this.geometry = new THREE.Geometry();
3128 |
3129 | };
3130 |
3131 | Polygons.prototype.setVertices = function ( vertices ) {
3132 |
3133 | for ( var i = 0; i < this.inputs.length; i ++ ) {
3134 |
3135 | if ( this.inputs[ i ].source === vertices.id ) {
3136 |
3137 | this.inputs[ i ].source = vertices.input[ 'POSITION' ].source;
3138 |
3139 | }
3140 |
3141 | }
3142 |
3143 | };
3144 |
3145 | Polygons.prototype.parse = function ( element ) {
3146 |
3147 | this.material = element.getAttribute( 'material' );
3148 | this.count = _attr_as_int( element, 'count', 0 );
3149 |
3150 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3151 |
3152 | var child = element.childNodes[ i ];
3153 |
3154 | switch ( child.nodeName ) {
3155 |
3156 | case 'input':
3157 |
3158 | this.inputs.push( ( new Input() ).parse( element.childNodes[ i ] ) );
3159 | break;
3160 |
3161 | case 'vcount':
3162 |
3163 | this.vcount = _ints( child.textContent );
3164 | break;
3165 |
3166 | case 'p':
3167 |
3168 | this.p.push( _ints( child.textContent ) );
3169 | break;
3170 |
3171 | case 'ph':
3172 |
3173 | console.warn( 'polygon holes not yet supported!' );
3174 | break;
3175 |
3176 | default:
3177 | break;
3178 |
3179 | }
3180 |
3181 | }
3182 |
3183 | return this;
3184 |
3185 | };
3186 |
3187 | function Polylist () {
3188 |
3189 | Polygons.call( this );
3190 |
3191 | this.vcount = [];
3192 |
3193 | };
3194 |
3195 | Polylist.prototype = Object.create( Polygons.prototype );
3196 | Polylist.prototype.constructor = Polylist;
3197 |
3198 | function LineStrips() {
3199 |
3200 | Polygons.call( this );
3201 |
3202 | this.vcount = 1;
3203 |
3204 | };
3205 |
3206 | LineStrips.prototype = Object.create( Polygons.prototype );
3207 | LineStrips.prototype.constructor = LineStrips;
3208 |
3209 | function Triangles () {
3210 |
3211 | Polygons.call( this );
3212 |
3213 | this.vcount = 3;
3214 |
3215 | };
3216 |
3217 | Triangles.prototype = Object.create( Polygons.prototype );
3218 | Triangles.prototype.constructor = Triangles;
3219 |
3220 | function Accessor() {
3221 |
3222 | this.source = "";
3223 | this.count = 0;
3224 | this.stride = 0;
3225 | this.params = [];
3226 |
3227 | };
3228 |
3229 | Accessor.prototype.parse = function ( element ) {
3230 |
3231 | this.params = [];
3232 | this.source = element.getAttribute( 'source' );
3233 | this.count = _attr_as_int( element, 'count', 0 );
3234 | this.stride = _attr_as_int( element, 'stride', 0 );
3235 |
3236 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3237 |
3238 | var child = element.childNodes[ i ];
3239 |
3240 | if ( child.nodeName === 'param' ) {
3241 |
3242 | var param = {};
3243 | param[ 'name' ] = child.getAttribute( 'name' );
3244 | param[ 'type' ] = child.getAttribute( 'type' );
3245 | this.params.push( param );
3246 |
3247 | }
3248 |
3249 | }
3250 |
3251 | return this;
3252 |
3253 | };
3254 |
3255 | function Vertices() {
3256 |
3257 | this.input = {};
3258 |
3259 | };
3260 |
3261 | Vertices.prototype.parse = function ( element ) {
3262 |
3263 | this.id = element.getAttribute('id');
3264 |
3265 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3266 |
3267 | if ( element.childNodes[i].nodeName === 'input' ) {
3268 |
3269 | var input = ( new Input() ).parse( element.childNodes[ i ] );
3270 | this.input[ input.semantic ] = input;
3271 |
3272 | }
3273 |
3274 | }
3275 |
3276 | return this;
3277 |
3278 | };
3279 |
3280 | function Input () {
3281 |
3282 | this.semantic = "";
3283 | this.offset = 0;
3284 | this.source = "";
3285 | this.set = 0;
3286 |
3287 | };
3288 |
3289 | Input.prototype.parse = function ( element ) {
3290 |
3291 | this.semantic = element.getAttribute('semantic');
3292 | this.source = element.getAttribute('source').replace(/^#/, '');
3293 | this.set = _attr_as_int(element, 'set', -1);
3294 | this.offset = _attr_as_int(element, 'offset', 0);
3295 |
3296 | if ( this.semantic === 'TEXCOORD' && this.set < 0 ) {
3297 |
3298 | this.set = 0;
3299 |
3300 | }
3301 |
3302 | return this;
3303 |
3304 | };
3305 |
3306 | function Source ( id ) {
3307 |
3308 | this.id = id;
3309 | this.type = null;
3310 |
3311 | };
3312 |
3313 | Source.prototype.parse = function ( element ) {
3314 |
3315 | this.id = element.getAttribute( 'id' );
3316 |
3317 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3318 |
3319 | var child = element.childNodes[i];
3320 |
3321 | switch ( child.nodeName ) {
3322 |
3323 | case 'bool_array':
3324 |
3325 | this.data = _bools( child.textContent );
3326 | this.type = child.nodeName;
3327 | break;
3328 |
3329 | case 'float_array':
3330 |
3331 | this.data = _floats( child.textContent );
3332 | this.type = child.nodeName;
3333 | break;
3334 |
3335 | case 'int_array':
3336 |
3337 | this.data = _ints( child.textContent );
3338 | this.type = child.nodeName;
3339 | break;
3340 |
3341 | case 'IDREF_array':
3342 | case 'Name_array':
3343 |
3344 | this.data = _strings( child.textContent );
3345 | this.type = child.nodeName;
3346 | break;
3347 |
3348 | case 'technique_common':
3349 |
3350 | for ( var j = 0; j < child.childNodes.length; j ++ ) {
3351 |
3352 | if ( child.childNodes[ j ].nodeName === 'accessor' ) {
3353 |
3354 | this.accessor = ( new Accessor() ).parse( child.childNodes[ j ] );
3355 | break;
3356 |
3357 | }
3358 | }
3359 | break;
3360 |
3361 | default:
3362 | // console.log(child.nodeName);
3363 | break;
3364 |
3365 | }
3366 |
3367 | }
3368 |
3369 | return this;
3370 |
3371 | };
3372 |
3373 | Source.prototype.read = function () {
3374 |
3375 | var result = [];
3376 |
3377 | //for (var i = 0; i < this.accessor.params.length; i++) {
3378 |
3379 | var param = this.accessor.params[ 0 ];
3380 |
3381 | //console.log(param.name + " " + param.type);
3382 |
3383 | switch ( param.type ) {
3384 |
3385 | case 'IDREF':
3386 | case 'Name': case 'name':
3387 | case 'float':
3388 |
3389 | return this.data;
3390 |
3391 | case 'float4x4':
3392 |
3393 | for ( var j = 0; j < this.data.length; j += 16 ) {
3394 |
3395 | var s = this.data.slice( j, j + 16 );
3396 | var m = getConvertedMat4( s );
3397 | result.push( m );
3398 | }
3399 |
3400 | break;
3401 |
3402 | default:
3403 |
3404 | console.log( 'ColladaLoader: Source: Read dont know how to read ' + param.type + '.' );
3405 | break;
3406 |
3407 | }
3408 |
3409 | //}
3410 |
3411 | return result;
3412 |
3413 | };
3414 |
3415 | function Material () {
3416 |
3417 | this.id = "";
3418 | this.name = "";
3419 | this.instance_effect = null;
3420 |
3421 | };
3422 |
3423 | Material.prototype.parse = function ( element ) {
3424 |
3425 | this.id = element.getAttribute( 'id' );
3426 | this.name = element.getAttribute( 'name' );
3427 |
3428 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3429 |
3430 | if ( element.childNodes[ i ].nodeName === 'instance_effect' ) {
3431 |
3432 | this.instance_effect = ( new InstanceEffect() ).parse( element.childNodes[ i ] );
3433 | break;
3434 |
3435 | }
3436 |
3437 | }
3438 |
3439 | return this;
3440 |
3441 | };
3442 |
3443 | function ColorOrTexture () {
3444 |
3445 | this.color = new THREE.Color();
3446 | this.color.setRGB( Math.random(), Math.random(), Math.random() );
3447 | this.color.a = 1.0;
3448 |
3449 | this.texture = null;
3450 | this.texcoord = null;
3451 | this.texOpts = null;
3452 |
3453 | };
3454 |
3455 | ColorOrTexture.prototype.isColor = function () {
3456 |
3457 | return ( this.texture === null );
3458 |
3459 | };
3460 |
3461 | ColorOrTexture.prototype.isTexture = function () {
3462 |
3463 | return ( this.texture != null );
3464 |
3465 | };
3466 |
3467 | ColorOrTexture.prototype.parse = function ( element ) {
3468 |
3469 | if (element.nodeName === 'transparent') {
3470 |
3471 | this.opaque = element.getAttribute('opaque');
3472 |
3473 | }
3474 |
3475 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3476 |
3477 | var child = element.childNodes[ i ];
3478 | if ( child.nodeType != 1 ) continue;
3479 |
3480 | switch ( child.nodeName ) {
3481 |
3482 | case 'color':
3483 |
3484 | var rgba = _floats( child.textContent );
3485 | this.color = new THREE.Color();
3486 | this.color.setRGB( rgba[0], rgba[1], rgba[2] );
3487 | this.color.a = rgba[3];
3488 | break;
3489 |
3490 | case 'texture':
3491 |
3492 | this.texture = child.getAttribute('texture');
3493 | this.texcoord = child.getAttribute('texcoord');
3494 | // Defaults from:
3495 | // https://collada.org/mediawiki/index.php/Maya_texture_placement_MAYA_extension
3496 | this.texOpts = {
3497 | offsetU: 0,
3498 | offsetV: 0,
3499 | repeatU: 1,
3500 | repeatV: 1,
3501 | wrapU: 1,
3502 | wrapV: 1
3503 | };
3504 | this.parseTexture( child );
3505 | break;
3506 |
3507 | default:
3508 | break;
3509 |
3510 | }
3511 |
3512 | }
3513 |
3514 | return this;
3515 |
3516 | };
3517 |
3518 | ColorOrTexture.prototype.parseTexture = function ( element ) {
3519 |
3520 | if ( ! element.childNodes ) return this;
3521 |
3522 | // This should be supported by Maya, 3dsMax, and MotionBuilder
3523 |
3524 | if ( element.childNodes[1] && element.childNodes[1].nodeName === 'extra' ) {
3525 |
3526 | element = element.childNodes[1];
3527 |
3528 | if ( element.childNodes[1] && element.childNodes[1].nodeName === 'technique' ) {
3529 |
3530 | element = element.childNodes[1];
3531 |
3532 | }
3533 |
3534 | }
3535 |
3536 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3537 |
3538 | var child = element.childNodes[ i ];
3539 |
3540 | switch ( child.nodeName ) {
3541 |
3542 | case 'offsetU':
3543 | case 'offsetV':
3544 | case 'repeatU':
3545 | case 'repeatV':
3546 |
3547 | this.texOpts[ child.nodeName ] = parseFloat( child.textContent );
3548 |
3549 | break;
3550 |
3551 | case 'wrapU':
3552 | case 'wrapV':
3553 |
3554 | // some dae have a value of true which becomes NaN via parseInt
3555 |
3556 | if ( child.textContent.toUpperCase() === 'TRUE' ) {
3557 |
3558 | this.texOpts[ child.nodeName ] = 1;
3559 |
3560 | } else {
3561 |
3562 | this.texOpts[ child.nodeName ] = parseInt( child.textContent );
3563 |
3564 | }
3565 | break;
3566 |
3567 | default:
3568 |
3569 | this.texOpts[ child.nodeName ] = child.textContent;
3570 |
3571 | break;
3572 |
3573 | }
3574 |
3575 | }
3576 |
3577 | return this;
3578 |
3579 | };
3580 |
3581 | function Shader ( type, effect ) {
3582 |
3583 | this.type = type;
3584 | this.effect = effect;
3585 | this.material = null;
3586 |
3587 | };
3588 |
3589 | Shader.prototype.parse = function ( element ) {
3590 |
3591 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3592 |
3593 | var child = element.childNodes[ i ];
3594 | if ( child.nodeType != 1 ) continue;
3595 |
3596 | switch ( child.nodeName ) {
3597 |
3598 | case 'emission':
3599 | case 'diffuse':
3600 | case 'specular':
3601 | case 'transparent':
3602 |
3603 | this[ child.nodeName ] = ( new ColorOrTexture() ).parse( child );
3604 | break;
3605 |
3606 | case 'bump':
3607 |
3608 | // If 'bumptype' is 'heightfield', create a 'bump' property
3609 | // Else if 'bumptype' is 'normalmap', create a 'normal' property
3610 | // (Default to 'bump')
3611 | var bumpType = child.getAttribute( 'bumptype' );
3612 | if ( bumpType ) {
3613 | if ( bumpType.toLowerCase() === "heightfield" ) {
3614 | this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
3615 | } else if ( bumpType.toLowerCase() === "normalmap" ) {
3616 | this[ 'normal' ] = ( new ColorOrTexture() ).parse( child );
3617 | } else {
3618 | console.error( "Shader.prototype.parse: Invalid value for attribute 'bumptype' (" + bumpType + ") - valid bumptypes are 'HEIGHTFIELD' and 'NORMALMAP' - defaulting to 'HEIGHTFIELD'" );
3619 | this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
3620 | }
3621 | } else {
3622 | console.warn( "Shader.prototype.parse: Attribute 'bumptype' missing from bump node - defaulting to 'HEIGHTFIELD'" );
3623 | this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
3624 | }
3625 |
3626 | break;
3627 |
3628 | case 'shininess':
3629 | case 'reflectivity':
3630 | case 'index_of_refraction':
3631 | case 'transparency':
3632 |
3633 | var f = child.querySelectorAll('float');
3634 |
3635 | if ( f.length > 0 )
3636 | this[ child.nodeName ] = parseFloat( f[ 0 ].textContent );
3637 |
3638 | break;
3639 |
3640 | default:
3641 | break;
3642 |
3643 | }
3644 |
3645 | }
3646 |
3647 | this.create();
3648 | return this;
3649 |
3650 | };
3651 |
3652 | Shader.prototype.create = function() {
3653 |
3654 | var props = {};
3655 |
3656 | var transparent = false;
3657 |
3658 | if (this['transparency'] !== undefined && this['transparent'] !== undefined) {
3659 | // convert transparent color RBG to average value
3660 | var transparentColor = this['transparent'];
3661 | var transparencyLevel = (this.transparent.color.r + this.transparent.color.g + this.transparent.color.b) / 3 * this.transparency;
3662 |
3663 | if (transparencyLevel > 0) {
3664 | transparent = true;
3665 | props[ 'transparent' ] = true;
3666 | props[ 'opacity' ] = 1 - transparencyLevel;
3667 |
3668 | }
3669 |
3670 | }
3671 |
3672 | var keys = {
3673 | 'diffuse':'map',
3674 | 'ambient':'lightMap',
3675 | 'specular':'specularMap',
3676 | 'emission':'emissionMap',
3677 | 'bump':'bumpMap',
3678 | 'normal':'normalMap'
3679 | };
3680 |
3681 | for ( var prop in this ) {
3682 |
3683 | switch ( prop ) {
3684 |
3685 | case 'ambient':
3686 | case 'emission':
3687 | case 'diffuse':
3688 | case 'specular':
3689 | case 'bump':
3690 | case 'normal':
3691 |
3692 | var cot = this[ prop ];
3693 |
3694 | if ( cot instanceof ColorOrTexture ) {
3695 |
3696 | if ( cot.isTexture() ) {
3697 |
3698 | var samplerId = cot.texture;
3699 | var surfaceId = this.effect.sampler[samplerId];
3700 |
3701 | if ( surfaceId !== undefined && surfaceId.source !== undefined ) {
3702 |
3703 | var surface = this.effect.surface[surfaceId.source];
3704 |
3705 | if ( surface !== undefined ) {
3706 |
3707 | var image = images[ surface.init_from ];
3708 |
3709 | if ( image ) {
3710 |
3711 | var url = baseUrl + image.init_from;
3712 |
3713 | var texture;
3714 | var loader = THREE.Loader.Handlers.get( url );
3715 |
3716 | if ( loader !== null ) {
3717 |
3718 | texture = loader.load( url );
3719 |
3720 | } else {
3721 |
3722 | texture = new THREE.Texture();
3723 |
3724 | loadTextureImage( texture, url );
3725 |
3726 | }
3727 |
3728 | texture.wrapS = cot.texOpts.wrapU ? THREE.RepeatWrapping : THREE.ClampToEdgeWrapping;
3729 | texture.wrapT = cot.texOpts.wrapV ? THREE.RepeatWrapping : THREE.ClampToEdgeWrapping;
3730 | texture.offset.x = cot.texOpts.offsetU;
3731 | texture.offset.y = cot.texOpts.offsetV;
3732 | texture.repeat.x = cot.texOpts.repeatU;
3733 | texture.repeat.y = cot.texOpts.repeatV;
3734 | props[keys[prop]] = texture;
3735 |
3736 | // Texture with baked lighting?
3737 | if (prop === 'emission') props['emissive'] = 0xffffff;
3738 |
3739 | }
3740 |
3741 | }
3742 |
3743 | }
3744 |
3745 | } else if ( prop === 'diffuse' || !transparent ) {
3746 |
3747 | if ( prop === 'emission' ) {
3748 |
3749 | props[ 'emissive' ] = cot.color.getHex();
3750 |
3751 | } else {
3752 |
3753 | props[ prop ] = cot.color.getHex();
3754 |
3755 | }
3756 |
3757 | }
3758 |
3759 | }
3760 |
3761 | break;
3762 |
3763 | case 'shininess':
3764 |
3765 | props[ prop ] = this[ prop ];
3766 | break;
3767 |
3768 | case 'reflectivity':
3769 |
3770 | props[ prop ] = this[ prop ];
3771 | if ( props[ prop ] > 0.0 ) props['envMap'] = options.defaultEnvMap;
3772 | props['combine'] = THREE.MixOperation; //mix regular shading with reflective component
3773 | break;
3774 |
3775 | case 'index_of_refraction':
3776 |
3777 | props[ 'refractionRatio' ] = this[ prop ]; //TODO: "index_of_refraction" becomes "refractionRatio" in shader, but I'm not sure if the two are actually comparable
3778 | if ( this[ prop ] !== 1.0 ) props['envMap'] = options.defaultEnvMap;
3779 | break;
3780 |
3781 | case 'transparency':
3782 | // gets figured out up top
3783 | break;
3784 |
3785 | default:
3786 | break;
3787 |
3788 | }
3789 |
3790 | }
3791 |
3792 | props[ 'shading' ] = preferredShading;
3793 | props[ 'side' ] = this.effect.doubleSided ? THREE.DoubleSide : THREE.FrontSide;
3794 |
3795 | switch ( this.type ) {
3796 |
3797 | case 'constant':
3798 |
3799 | if (props.emissive != undefined) props.color = props.emissive;
3800 | this.material = new THREE.MeshBasicMaterial( props );
3801 | break;
3802 |
3803 | case 'phong':
3804 | case 'blinn':
3805 |
3806 | if (props.diffuse != undefined) props.color = props.diffuse;
3807 | this.material = new THREE.MeshPhongMaterial( props );
3808 | break;
3809 |
3810 | case 'lambert':
3811 | default:
3812 |
3813 | if (props.diffuse != undefined) props.color = props.diffuse;
3814 | this.material = new THREE.MeshLambertMaterial( props );
3815 | break;
3816 |
3817 | }
3818 |
3819 | return this.material;
3820 |
3821 | };
3822 |
3823 | function Surface ( effect ) {
3824 |
3825 | this.effect = effect;
3826 | this.init_from = null;
3827 | this.format = null;
3828 |
3829 | };
3830 |
3831 | Surface.prototype.parse = function ( element ) {
3832 |
3833 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3834 |
3835 | var child = element.childNodes[ i ];
3836 | if ( child.nodeType != 1 ) continue;
3837 |
3838 | switch ( child.nodeName ) {
3839 |
3840 | case 'init_from':
3841 |
3842 | this.init_from = child.textContent;
3843 | break;
3844 |
3845 | case 'format':
3846 |
3847 | this.format = child.textContent;
3848 | break;
3849 |
3850 | default:
3851 |
3852 | console.log( "unhandled Surface prop: " + child.nodeName );
3853 | break;
3854 |
3855 | }
3856 |
3857 | }
3858 |
3859 | return this;
3860 |
3861 | };
3862 |
3863 | function Sampler2D ( effect ) {
3864 |
3865 | this.effect = effect;
3866 | this.source = null;
3867 | this.wrap_s = null;
3868 | this.wrap_t = null;
3869 | this.minfilter = null;
3870 | this.magfilter = null;
3871 | this.mipfilter = null;
3872 |
3873 | };
3874 |
3875 | Sampler2D.prototype.parse = function ( element ) {
3876 |
3877 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3878 |
3879 | var child = element.childNodes[ i ];
3880 | if ( child.nodeType != 1 ) continue;
3881 |
3882 | switch ( child.nodeName ) {
3883 |
3884 | case 'source':
3885 |
3886 | this.source = child.textContent;
3887 | break;
3888 |
3889 | case 'minfilter':
3890 |
3891 | this.minfilter = child.textContent;
3892 | break;
3893 |
3894 | case 'magfilter':
3895 |
3896 | this.magfilter = child.textContent;
3897 | break;
3898 |
3899 | case 'mipfilter':
3900 |
3901 | this.mipfilter = child.textContent;
3902 | break;
3903 |
3904 | case 'wrap_s':
3905 |
3906 | this.wrap_s = child.textContent;
3907 | break;
3908 |
3909 | case 'wrap_t':
3910 |
3911 | this.wrap_t = child.textContent;
3912 | break;
3913 |
3914 | default:
3915 |
3916 | console.log( "unhandled Sampler2D prop: " + child.nodeName );
3917 | break;
3918 |
3919 | }
3920 |
3921 | }
3922 |
3923 | return this;
3924 |
3925 | };
3926 |
3927 | function Effect () {
3928 |
3929 | this.id = "";
3930 | this.name = "";
3931 | this.shader = null;
3932 | this.surface = {};
3933 | this.sampler = {};
3934 |
3935 | };
3936 |
3937 | Effect.prototype.create = function () {
3938 |
3939 | if ( this.shader === null ) {
3940 |
3941 | return null;
3942 |
3943 | }
3944 |
3945 | };
3946 |
3947 | Effect.prototype.parse = function ( element ) {
3948 |
3949 | this.id = element.getAttribute( 'id' );
3950 | this.name = element.getAttribute( 'name' );
3951 |
3952 | extractDoubleSided( this, element );
3953 |
3954 | this.shader = null;
3955 |
3956 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3957 |
3958 | var child = element.childNodes[ i ];
3959 | if ( child.nodeType != 1 ) continue;
3960 |
3961 | switch ( child.nodeName ) {
3962 |
3963 | case 'profile_COMMON':
3964 |
3965 | this.parseTechnique( this.parseProfileCOMMON( child ) );
3966 | break;
3967 |
3968 | default:
3969 | break;
3970 |
3971 | }
3972 |
3973 | }
3974 |
3975 | return this;
3976 |
3977 | };
3978 |
3979 | Effect.prototype.parseNewparam = function ( element ) {
3980 |
3981 | var sid = element.getAttribute( 'sid' );
3982 |
3983 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
3984 |
3985 | var child = element.childNodes[ i ];
3986 | if ( child.nodeType != 1 ) continue;
3987 |
3988 | switch ( child.nodeName ) {
3989 |
3990 | case 'surface':
3991 |
3992 | this.surface[sid] = ( new Surface( this ) ).parse( child );
3993 | break;
3994 |
3995 | case 'sampler2D':
3996 |
3997 | this.sampler[sid] = ( new Sampler2D( this ) ).parse( child );
3998 | break;
3999 |
4000 | case 'extra':
4001 |
4002 | break;
4003 |
4004 | default:
4005 |
4006 | console.log( child.nodeName );
4007 | break;
4008 |
4009 | }
4010 |
4011 | }
4012 |
4013 | };
4014 |
4015 | Effect.prototype.parseProfileCOMMON = function ( element ) {
4016 |
4017 | var technique;
4018 |
4019 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4020 |
4021 | var child = element.childNodes[ i ];
4022 |
4023 | if ( child.nodeType != 1 ) continue;
4024 |
4025 | switch ( child.nodeName ) {
4026 |
4027 | case 'profile_COMMON':
4028 |
4029 | this.parseProfileCOMMON( child );
4030 | break;
4031 |
4032 | case 'technique':
4033 |
4034 | technique = child;
4035 | break;
4036 |
4037 | case 'newparam':
4038 |
4039 | this.parseNewparam( child );
4040 | break;
4041 |
4042 | case 'image':
4043 |
4044 | var _image = ( new _Image() ).parse( child );
4045 | images[ _image.id ] = _image;
4046 | break;
4047 |
4048 | case 'extra':
4049 | break;
4050 |
4051 | default:
4052 |
4053 | console.log( child.nodeName );
4054 | break;
4055 |
4056 | }
4057 |
4058 | }
4059 |
4060 | return technique;
4061 |
4062 | };
4063 |
4064 | Effect.prototype.parseTechnique = function ( element ) {
4065 |
4066 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4067 |
4068 | var child = element.childNodes[i];
4069 | if ( child.nodeType != 1 ) continue;
4070 |
4071 | switch ( child.nodeName ) {
4072 |
4073 | case 'constant':
4074 | case 'lambert':
4075 | case 'blinn':
4076 | case 'phong':
4077 |
4078 | this.shader = ( new Shader( child.nodeName, this ) ).parse( child );
4079 | break;
4080 | case 'extra':
4081 | this.parseExtra(child);
4082 | break;
4083 | default:
4084 | break;
4085 |
4086 | }
4087 |
4088 | }
4089 |
4090 | };
4091 |
4092 | Effect.prototype.parseExtra = function ( element ) {
4093 |
4094 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4095 |
4096 | var child = element.childNodes[i];
4097 | if ( child.nodeType != 1 ) continue;
4098 |
4099 | switch ( child.nodeName ) {
4100 |
4101 | case 'technique':
4102 | this.parseExtraTechnique( child );
4103 | break;
4104 | default:
4105 | break;
4106 |
4107 | }
4108 |
4109 | }
4110 |
4111 | };
4112 |
4113 | Effect.prototype.parseExtraTechnique = function ( element ) {
4114 |
4115 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4116 |
4117 | var child = element.childNodes[i];
4118 | if ( child.nodeType != 1 ) continue;
4119 |
4120 | switch ( child.nodeName ) {
4121 |
4122 | case 'bump':
4123 | this.shader.parse( element );
4124 | break;
4125 | default:
4126 | break;
4127 |
4128 | }
4129 |
4130 | }
4131 |
4132 | };
4133 |
4134 | function InstanceEffect () {
4135 |
4136 | this.url = "";
4137 |
4138 | };
4139 |
4140 | InstanceEffect.prototype.parse = function ( element ) {
4141 |
4142 | this.url = element.getAttribute( 'url' ).replace( /^#/, '' );
4143 | return this;
4144 |
4145 | };
4146 |
4147 | function Animation() {
4148 |
4149 | this.id = "";
4150 | this.name = "";
4151 | this.source = {};
4152 | this.sampler = [];
4153 | this.channel = [];
4154 |
4155 | };
4156 |
4157 | Animation.prototype.parse = function ( element ) {
4158 |
4159 | this.id = element.getAttribute( 'id' );
4160 | this.name = element.getAttribute( 'name' );
4161 | this.source = {};
4162 |
4163 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4164 |
4165 | var child = element.childNodes[ i ];
4166 |
4167 | if ( child.nodeType != 1 ) continue;
4168 |
4169 | switch ( child.nodeName ) {
4170 |
4171 | case 'animation':
4172 |
4173 | var anim = ( new Animation() ).parse( child );
4174 |
4175 | for ( var src in anim.source ) {
4176 |
4177 | this.source[ src ] = anim.source[ src ];
4178 |
4179 | }
4180 |
4181 | for ( var j = 0; j < anim.channel.length; j ++ ) {
4182 |
4183 | this.channel.push( anim.channel[ j ] );
4184 | this.sampler.push( anim.sampler[ j ] );
4185 |
4186 | }
4187 |
4188 | break;
4189 |
4190 | case 'source':
4191 |
4192 | var src = ( new Source() ).parse( child );
4193 | this.source[ src.id ] = src;
4194 | break;
4195 |
4196 | case 'sampler':
4197 |
4198 | this.sampler.push( ( new Sampler( this ) ).parse( child ) );
4199 | break;
4200 |
4201 | case 'channel':
4202 |
4203 | this.channel.push( ( new Channel( this ) ).parse( child ) );
4204 | break;
4205 |
4206 | default:
4207 | break;
4208 |
4209 | }
4210 |
4211 | }
4212 |
4213 | return this;
4214 |
4215 | };
4216 |
4217 | function Channel( animation ) {
4218 |
4219 | this.animation = animation;
4220 | this.source = "";
4221 | this.target = "";
4222 | this.fullSid = null;
4223 | this.sid = null;
4224 | this.dotSyntax = null;
4225 | this.arrSyntax = null;
4226 | this.arrIndices = null;
4227 | this.member = null;
4228 |
4229 | };
4230 |
4231 | Channel.prototype.parse = function ( element ) {
4232 |
4233 | this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
4234 | this.target = element.getAttribute( 'target' );
4235 |
4236 | var parts = this.target.split( '/' );
4237 |
4238 | var id = parts.shift();
4239 | var sid = parts.shift();
4240 |
4241 | var dotSyntax = ( sid.indexOf(".") >= 0 );
4242 | var arrSyntax = ( sid.indexOf("(") >= 0 );
4243 |
4244 | if ( dotSyntax ) {
4245 |
4246 | parts = sid.split(".");
4247 | this.sid = parts.shift();
4248 | this.member = parts.shift();
4249 |
4250 | } else if ( arrSyntax ) {
4251 |
4252 | var arrIndices = sid.split("(");
4253 | this.sid = arrIndices.shift();
4254 |
4255 | for (var j = 0; j < arrIndices.length; j ++ ) {
4256 |
4257 | arrIndices[j] = parseInt( arrIndices[j].replace(/\)/, '') );
4258 |
4259 | }
4260 |
4261 | this.arrIndices = arrIndices;
4262 |
4263 | } else {
4264 |
4265 | this.sid = sid;
4266 |
4267 | }
4268 |
4269 | this.fullSid = sid;
4270 | this.dotSyntax = dotSyntax;
4271 | this.arrSyntax = arrSyntax;
4272 |
4273 | return this;
4274 |
4275 | };
4276 |
4277 | function Sampler ( animation ) {
4278 |
4279 | this.id = "";
4280 | this.animation = animation;
4281 | this.inputs = [];
4282 | this.input = null;
4283 | this.output = null;
4284 | this.strideOut = null;
4285 | this.interpolation = null;
4286 | this.startTime = null;
4287 | this.endTime = null;
4288 | this.duration = 0;
4289 |
4290 | };
4291 |
4292 | Sampler.prototype.parse = function ( element ) {
4293 |
4294 | this.id = element.getAttribute( 'id' );
4295 | this.inputs = [];
4296 |
4297 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4298 |
4299 | var child = element.childNodes[ i ];
4300 | if ( child.nodeType != 1 ) continue;
4301 |
4302 | switch ( child.nodeName ) {
4303 |
4304 | case 'input':
4305 |
4306 | this.inputs.push( (new Input()).parse( child ) );
4307 | break;
4308 |
4309 | default:
4310 | break;
4311 |
4312 | }
4313 |
4314 | }
4315 |
4316 | return this;
4317 |
4318 | };
4319 |
4320 | Sampler.prototype.create = function () {
4321 |
4322 | for ( var i = 0; i < this.inputs.length; i ++ ) {
4323 |
4324 | var input = this.inputs[ i ];
4325 | var source = this.animation.source[ input.source ];
4326 |
4327 | switch ( input.semantic ) {
4328 |
4329 | case 'INPUT':
4330 |
4331 | this.input = source.read();
4332 | break;
4333 |
4334 | case 'OUTPUT':
4335 |
4336 | this.output = source.read();
4337 | this.strideOut = source.accessor.stride;
4338 | break;
4339 |
4340 | case 'INTERPOLATION':
4341 |
4342 | this.interpolation = source.read();
4343 | break;
4344 |
4345 | case 'IN_TANGENT':
4346 |
4347 | break;
4348 |
4349 | case 'OUT_TANGENT':
4350 |
4351 | break;
4352 |
4353 | default:
4354 |
4355 | console.log(input.semantic);
4356 | break;
4357 |
4358 | }
4359 |
4360 | }
4361 |
4362 | this.startTime = 0;
4363 | this.endTime = 0;
4364 | this.duration = 0;
4365 |
4366 | if ( this.input.length ) {
4367 |
4368 | this.startTime = 100000000;
4369 | this.endTime = -100000000;
4370 |
4371 | for ( var i = 0; i < this.input.length; i ++ ) {
4372 |
4373 | this.startTime = Math.min( this.startTime, this.input[ i ] );
4374 | this.endTime = Math.max( this.endTime, this.input[ i ] );
4375 |
4376 | }
4377 |
4378 | this.duration = this.endTime - this.startTime;
4379 |
4380 | }
4381 |
4382 | };
4383 |
4384 | Sampler.prototype.getData = function ( type, ndx, member ) {
4385 |
4386 | var data;
4387 |
4388 | if ( type === 'matrix' && this.strideOut === 16 ) {
4389 |
4390 | data = this.output[ ndx ];
4391 |
4392 | } else if ( this.strideOut > 1 ) {
4393 |
4394 | data = [];
4395 | ndx *= this.strideOut;
4396 |
4397 | for ( var i = 0; i < this.strideOut; ++ i ) {
4398 |
4399 | data[ i ] = this.output[ ndx + i ];
4400 |
4401 | }
4402 |
4403 | if ( this.strideOut === 3 ) {
4404 |
4405 | switch ( type ) {
4406 |
4407 | case 'rotate':
4408 | case 'translate':
4409 |
4410 | fixCoords( data, -1 );
4411 | break;
4412 |
4413 | case 'scale':
4414 |
4415 | fixCoords( data, 1 );
4416 | break;
4417 |
4418 | }
4419 |
4420 | } else if ( this.strideOut === 4 && type === 'matrix' ) {
4421 |
4422 | fixCoords( data, -1 );
4423 |
4424 | }
4425 |
4426 | } else {
4427 |
4428 | data = this.output[ ndx ];
4429 |
4430 | if ( member && type === 'translate' ) {
4431 | data = getConvertedTranslation( member, data );
4432 | }
4433 |
4434 | }
4435 |
4436 | return data;
4437 |
4438 | };
4439 |
4440 | function Key ( time ) {
4441 |
4442 | this.targets = [];
4443 | this.time = time;
4444 |
4445 | };
4446 |
4447 | Key.prototype.addTarget = function ( fullSid, transform, member, data ) {
4448 |
4449 | this.targets.push( {
4450 | sid: fullSid,
4451 | member: member,
4452 | transform: transform,
4453 | data: data
4454 | } );
4455 |
4456 | };
4457 |
4458 | Key.prototype.apply = function ( opt_sid ) {
4459 |
4460 | for ( var i = 0; i < this.targets.length; ++ i ) {
4461 |
4462 | var target = this.targets[ i ];
4463 |
4464 | if ( !opt_sid || target.sid === opt_sid ) {
4465 |
4466 | target.transform.update( target.data, target.member );
4467 |
4468 | }
4469 |
4470 | }
4471 |
4472 | };
4473 |
4474 | Key.prototype.getTarget = function ( fullSid ) {
4475 |
4476 | for ( var i = 0; i < this.targets.length; ++ i ) {
4477 |
4478 | if ( this.targets[ i ].sid === fullSid ) {
4479 |
4480 | return this.targets[ i ];
4481 |
4482 | }
4483 |
4484 | }
4485 |
4486 | return null;
4487 |
4488 | };
4489 |
4490 | Key.prototype.hasTarget = function ( fullSid ) {
4491 |
4492 | for ( var i = 0; i < this.targets.length; ++ i ) {
4493 |
4494 | if ( this.targets[ i ].sid === fullSid ) {
4495 |
4496 | return true;
4497 |
4498 | }
4499 |
4500 | }
4501 |
4502 | return false;
4503 |
4504 | };
4505 |
4506 | // TODO: Currently only doing linear interpolation. Should support full COLLADA spec.
4507 | Key.prototype.interpolate = function ( nextKey, time ) {
4508 |
4509 | for ( var i = 0, l = this.targets.length; i < l; i ++ ) {
4510 |
4511 | var target = this.targets[ i ],
4512 | nextTarget = nextKey.getTarget( target.sid ),
4513 | data;
4514 |
4515 | if ( target.transform.type !== 'matrix' && nextTarget ) {
4516 |
4517 | var scale = ( time - this.time ) / ( nextKey.time - this.time ),
4518 | nextData = nextTarget.data,
4519 | prevData = target.data;
4520 |
4521 | if ( scale < 0 ) scale = 0;
4522 | if ( scale > 1 ) scale = 1;
4523 |
4524 | if ( prevData.length ) {
4525 |
4526 | data = [];
4527 |
4528 | for ( var j = 0; j < prevData.length; ++ j ) {
4529 |
4530 | data[ j ] = prevData[ j ] + ( nextData[ j ] - prevData[ j ] ) * scale;
4531 |
4532 | }
4533 |
4534 | } else {
4535 |
4536 | data = prevData + ( nextData - prevData ) * scale;
4537 |
4538 | }
4539 |
4540 | } else {
4541 |
4542 | data = target.data;
4543 |
4544 | }
4545 |
4546 | target.transform.update( data, target.member );
4547 |
4548 | }
4549 |
4550 | };
4551 |
4552 | // Camera
4553 | function Camera() {
4554 |
4555 | this.id = "";
4556 | this.name = "";
4557 | this.technique = "";
4558 |
4559 | };
4560 |
4561 | Camera.prototype.parse = function ( element ) {
4562 |
4563 | this.id = element.getAttribute( 'id' );
4564 | this.name = element.getAttribute( 'name' );
4565 |
4566 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4567 |
4568 | var child = element.childNodes[ i ];
4569 | if ( child.nodeType != 1 ) continue;
4570 |
4571 | switch ( child.nodeName ) {
4572 |
4573 | case 'optics':
4574 |
4575 | this.parseOptics( child );
4576 | break;
4577 |
4578 | default:
4579 | break;
4580 |
4581 | }
4582 |
4583 | }
4584 |
4585 | return this;
4586 |
4587 | };
4588 |
4589 | Camera.prototype.parseOptics = function ( element ) {
4590 |
4591 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4592 |
4593 | if ( element.childNodes[ i ].nodeName === 'technique_common' ) {
4594 |
4595 | var technique = element.childNodes[ i ];
4596 |
4597 | for ( var j = 0; j < technique.childNodes.length; j ++ ) {
4598 |
4599 | this.technique = technique.childNodes[ j ].nodeName;
4600 |
4601 | if ( this.technique === 'perspective' ) {
4602 |
4603 | var perspective = technique.childNodes[ j ];
4604 |
4605 | for ( var k = 0; k < perspective.childNodes.length; k ++ ) {
4606 |
4607 | var param = perspective.childNodes[ k ];
4608 |
4609 | switch ( param.nodeName ) {
4610 |
4611 | case 'yfov':
4612 | this.yfov = param.textContent;
4613 | break;
4614 | case 'xfov':
4615 | this.xfov = param.textContent;
4616 | break;
4617 | case 'znear':
4618 | this.znear = param.textContent;
4619 | break;
4620 | case 'zfar':
4621 | this.zfar = param.textContent;
4622 | break;
4623 | case 'aspect_ratio':
4624 | this.aspect_ratio = param.textContent;
4625 | break;
4626 |
4627 | }
4628 |
4629 | }
4630 |
4631 | } else if ( this.technique === 'orthographic' ) {
4632 |
4633 | var orthographic = technique.childNodes[ j ];
4634 |
4635 | for ( var k = 0; k < orthographic.childNodes.length; k ++ ) {
4636 |
4637 | var param = orthographic.childNodes[ k ];
4638 |
4639 | switch ( param.nodeName ) {
4640 |
4641 | case 'xmag':
4642 | this.xmag = param.textContent;
4643 | break;
4644 | case 'ymag':
4645 | this.ymag = param.textContent;
4646 | break;
4647 | case 'znear':
4648 | this.znear = param.textContent;
4649 | break;
4650 | case 'zfar':
4651 | this.zfar = param.textContent;
4652 | break;
4653 | case 'aspect_ratio':
4654 | this.aspect_ratio = param.textContent;
4655 | break;
4656 |
4657 | }
4658 |
4659 | }
4660 |
4661 | }
4662 |
4663 | }
4664 |
4665 | }
4666 |
4667 | }
4668 |
4669 | return this;
4670 |
4671 | };
4672 |
4673 | function InstanceCamera() {
4674 |
4675 | this.url = "";
4676 |
4677 | };
4678 |
4679 | InstanceCamera.prototype.parse = function ( element ) {
4680 |
4681 | this.url = element.getAttribute('url').replace(/^#/, '');
4682 |
4683 | return this;
4684 |
4685 | };
4686 |
4687 | // Light
4688 |
4689 | function Light() {
4690 |
4691 | this.id = "";
4692 | this.name = "";
4693 | this.technique = "";
4694 |
4695 | };
4696 |
4697 | Light.prototype.parse = function ( element ) {
4698 |
4699 | this.id = element.getAttribute( 'id' );
4700 | this.name = element.getAttribute( 'name' );
4701 |
4702 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4703 |
4704 | var child = element.childNodes[ i ];
4705 | if ( child.nodeType != 1 ) continue;
4706 |
4707 | switch ( child.nodeName ) {
4708 |
4709 | case 'technique_common':
4710 |
4711 | this.parseCommon( child );
4712 | break;
4713 |
4714 | case 'technique':
4715 |
4716 | this.parseTechnique( child );
4717 | break;
4718 |
4719 | default:
4720 | break;
4721 |
4722 | }
4723 |
4724 | }
4725 |
4726 | return this;
4727 |
4728 | };
4729 |
4730 | Light.prototype.parseCommon = function ( element ) {
4731 |
4732 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4733 |
4734 | switch ( element.childNodes[ i ].nodeName ) {
4735 |
4736 | case 'directional':
4737 | case 'point':
4738 | case 'spot':
4739 | case 'ambient':
4740 |
4741 | this.technique = element.childNodes[ i ].nodeName;
4742 |
4743 | var light = element.childNodes[ i ];
4744 |
4745 | for ( var j = 0; j < light.childNodes.length; j ++ ) {
4746 |
4747 | var child = light.childNodes[j];
4748 |
4749 | switch ( child.nodeName ) {
4750 |
4751 | case 'color':
4752 |
4753 | var rgba = _floats( child.textContent );
4754 | this.color = new THREE.Color(0);
4755 | this.color.setRGB( rgba[0], rgba[1], rgba[2] );
4756 | this.color.a = rgba[3];
4757 | break;
4758 |
4759 | case 'falloff_angle':
4760 |
4761 | this.falloff_angle = parseFloat( child.textContent );
4762 | break;
4763 |
4764 | case 'quadratic_attenuation':
4765 | var f = parseFloat( child.textContent );
4766 | this.distance = f ? Math.sqrt( 1 / f ) : 0;
4767 | }
4768 |
4769 | }
4770 |
4771 | }
4772 |
4773 | }
4774 |
4775 | return this;
4776 |
4777 | };
4778 |
4779 | Light.prototype.parseTechnique = function ( element ) {
4780 |
4781 | this.profile = element.getAttribute( 'profile' );
4782 |
4783 | for ( var i = 0; i < element.childNodes.length; i ++ ) {
4784 |
4785 | var child = element.childNodes[ i ];
4786 |
4787 | switch ( child.nodeName ) {
4788 |
4789 | case 'intensity':
4790 |
4791 | this.intensity = parseFloat(child.textContent);
4792 | break;
4793 |
4794 | }
4795 |
4796 | }
4797 |
4798 | return this;
4799 |
4800 | };
4801 |
4802 | function InstanceLight() {
4803 |
4804 | this.url = "";
4805 |
4806 | };
4807 |
4808 | InstanceLight.prototype.parse = function ( element ) {
4809 |
4810 | this.url = element.getAttribute('url').replace(/^#/, '');
4811 |
4812 | return this;
4813 |
4814 | };
4815 |
4816 | function KinematicsModel( ) {
4817 |
4818 | this.id = '';
4819 | this.name = '';
4820 | this.joints = [];
4821 | this.links = [];
4822 |
4823 | }
4824 |
4825 | KinematicsModel.prototype.parse = function( element ) {
4826 |
4827 | this.id = element.getAttribute('id');
4828 | this.name = element.getAttribute('name');
4829 | this.joints = [];
4830 | this.links = [];
4831 |
4832 | for (var i = 0; i < element.childNodes.length; i ++ ) {
4833 |
4834 | var child = element.childNodes[ i ];
4835 | if ( child.nodeType != 1 ) continue;
4836 |
4837 | switch ( child.nodeName ) {
4838 |
4839 | case 'technique_common':
4840 |
4841 | this.parseCommon(child);
4842 | break;
4843 |
4844 | default:
4845 | break;
4846 |
4847 | }
4848 |
4849 | }
4850 |
4851 | return this;
4852 |
4853 | };
4854 |
4855 | KinematicsModel.prototype.parseCommon = function( element ) {
4856 |
4857 | for (var i = 0; i < element.childNodes.length; i ++ ) {
4858 |
4859 | var child = element.childNodes[ i ];
4860 | if ( child.nodeType != 1 ) continue;
4861 |
4862 | switch ( element.childNodes[ i ].nodeName ) {
4863 |
4864 | case 'joint':
4865 | this.joints.push( (new Joint()).parse(child) );
4866 | break;
4867 |
4868 | case 'link':
4869 | this.links.push( (new Link()).parse(child) );
4870 | break;
4871 |
4872 | default:
4873 | break;
4874 |
4875 | }
4876 |
4877 | }
4878 |
4879 | return this;
4880 |
4881 | };
4882 |
4883 | function Joint( ) {
4884 |
4885 | this.sid = '';
4886 | this.name = '';
4887 | this.axis = new THREE.Vector3();
4888 | this.limits = {
4889 | min: 0,
4890 | max: 0
4891 | };
4892 | this.type = '';
4893 | this.static = false;
4894 | this.zeroPosition = 0.0;
4895 | this.middlePosition = 0.0;
4896 |
4897 | }
4898 |
4899 | Joint.prototype.parse = function( element ) {
4900 |
4901 | this.sid = element.getAttribute('sid');
4902 | this.name = element.getAttribute('name');
4903 | this.axis = new THREE.Vector3();
4904 | this.limits = {
4905 | min: 0,
4906 | max: 0
4907 | };
4908 | this.type = '';
4909 | this.static = false;
4910 | this.zeroPosition = 0.0;
4911 | this.middlePosition = 0.0;
4912 |
4913 | var axisElement = element.querySelector('axis');
4914 | var _axis = _floats(axisElement.textContent);
4915 | this.axis = getConvertedVec3(_axis, 0);
4916 |
4917 | var min = element.querySelector('limits min') ? parseFloat(element.querySelector('limits min').textContent) : -360;
4918 | var max = element.querySelector('limits max') ? parseFloat(element.querySelector('limits max').textContent) : 360;
4919 |
4920 | this.limits = {
4921 | min: min,
4922 | max: max
4923 | };
4924 |
4925 | var jointTypes = [ 'prismatic', 'revolute' ];
4926 | for (var i = 0; i < jointTypes.length; i ++ ) {
4927 |
4928 | var type = jointTypes[ i ];
4929 |
4930 | var jointElement = element.querySelector(type);
4931 |
4932 | if ( jointElement ) {
4933 |
4934 | this.type = type;
4935 |
4936 | }
4937 |
4938 | }
4939 |
4940 | // if the min is equal to or somehow greater than the max, consider the joint static
4941 | if ( this.limits.min >= this.limits.max ) {
4942 |
4943 | this.static = true;
4944 |
4945 | }
4946 |
4947 | this.middlePosition = (this.limits.min + this.limits.max) / 2.0;
4948 | return this;
4949 |
4950 | };
4951 |
4952 | function Link( ) {
4953 |
4954 | this.sid = '';
4955 | this.name = '';
4956 | this.transforms = [];
4957 | this.attachments = [];
4958 |
4959 | }
4960 |
4961 | Link.prototype.parse = function( element ) {
4962 |
4963 | this.sid = element.getAttribute('sid');
4964 | this.name = element.getAttribute('name');
4965 | this.transforms = [];
4966 | this.attachments = [];
4967 |
4968 | for (var i = 0; i < element.childNodes.length; i ++ ) {
4969 |
4970 | var child = element.childNodes[ i ];
4971 | if ( child.nodeType != 1 ) continue;
4972 |
4973 | switch ( child.nodeName ) {
4974 |
4975 | case 'attachment_full':
4976 | this.attachments.push( (new Attachment()).parse(child) );
4977 | break;
4978 |
4979 | case 'rotate':
4980 | case 'translate':
4981 | case 'matrix':
4982 |
4983 | this.transforms.push( (new Transform()).parse(child) );
4984 | break;
4985 |
4986 | default:
4987 |
4988 | break;
4989 |
4990 | }
4991 |
4992 | }
4993 |
4994 | return this;
4995 |
4996 | };
4997 |
4998 | function Attachment( ) {
4999 |
5000 | this.joint = '';
5001 | this.transforms = [];
5002 | this.links = [];
5003 |
5004 | }
5005 |
5006 | Attachment.prototype.parse = function( element ) {
5007 |
5008 | this.joint = element.getAttribute('joint').split('/').pop();
5009 | this.links = [];
5010 |
5011 | for (var i = 0; i < element.childNodes.length; i ++ ) {
5012 |
5013 | var child = element.childNodes[ i ];
5014 | if ( child.nodeType != 1 ) continue;
5015 |
5016 | switch ( child.nodeName ) {
5017 |
5018 | case 'link':
5019 | this.links.push( (new Link()).parse(child) );
5020 | break;
5021 |
5022 | case 'rotate':
5023 | case 'translate':
5024 | case 'matrix':
5025 |
5026 | this.transforms.push( (new Transform()).parse(child) );
5027 | break;
5028 |
5029 | default:
5030 |
5031 | break;
5032 |
5033 | }
5034 |
5035 | }
5036 |
5037 | return this;
5038 |
5039 | };
5040 |
5041 | function _source( element ) {
5042 |
5043 | var id = element.getAttribute( 'id' );
5044 |
5045 | if ( sources[ id ] != undefined ) {
5046 |
5047 | return sources[ id ];
5048 |
5049 | }
5050 |
5051 | sources[ id ] = ( new Source(id )).parse( element );
5052 | return sources[ id ];
5053 |
5054 | };
5055 |
5056 | function _nsResolver( nsPrefix ) {
5057 |
5058 | if ( nsPrefix === "dae" ) {
5059 |
5060 | return "http://www.collada.org/2005/11/COLLADASchema";
5061 |
5062 | }
5063 |
5064 | return null;
5065 |
5066 | };
5067 |
5068 | function _bools( str ) {
5069 |
5070 | var raw = _strings( str );
5071 | var data = [];
5072 |
5073 | for ( var i = 0, l = raw.length; i < l; i ++ ) {
5074 |
5075 | data.push( (raw[i] === 'true' || raw[i] === '1') ? true : false );
5076 |
5077 | }
5078 |
5079 | return data;
5080 |
5081 | };
5082 |
5083 | function _floats( str ) {
5084 |
5085 | var raw = _strings(str);
5086 | var data = [];
5087 |
5088 | for ( var i = 0, l = raw.length; i < l; i ++ ) {
5089 |
5090 | data.push( parseFloat( raw[ i ] ) );
5091 |
5092 | }
5093 |
5094 | return data;
5095 |
5096 | };
5097 |
5098 | function _ints( str ) {
5099 |
5100 | var raw = _strings( str );
5101 | var data = [];
5102 |
5103 | for ( var i = 0, l = raw.length; i < l; i ++ ) {
5104 |
5105 | data.push( parseInt( raw[ i ], 10 ) );
5106 |
5107 | }
5108 |
5109 | return data;
5110 |
5111 | };
5112 |
5113 | function _strings( str ) {
5114 |
5115 | return ( str.length > 0 ) ? _trimString( str ).split( /\s+/ ) : [];
5116 |
5117 | };
5118 |
5119 | function _trimString( str ) {
5120 |
5121 | return str.replace( /^\s+/, "" ).replace( /\s+$/, "" );
5122 |
5123 | };
5124 |
5125 | function _attr_as_float( element, name, defaultValue ) {
5126 |
5127 | if ( element.hasAttribute( name ) ) {
5128 |
5129 | return parseFloat( element.getAttribute( name ) );
5130 |
5131 | } else {
5132 |
5133 | return defaultValue;
5134 |
5135 | }
5136 |
5137 | };
5138 |
5139 | function _attr_as_int( element, name, defaultValue ) {
5140 |
5141 | if ( element.hasAttribute( name ) ) {
5142 |
5143 | return parseInt( element.getAttribute( name ), 10) ;
5144 |
5145 | } else {
5146 |
5147 | return defaultValue;
5148 |
5149 | }
5150 |
5151 | };
5152 |
5153 | function _attr_as_string( element, name, defaultValue ) {
5154 |
5155 | if ( element.hasAttribute( name ) ) {
5156 |
5157 | return element.getAttribute( name );
5158 |
5159 | } else {
5160 |
5161 | return defaultValue;
5162 |
5163 | }
5164 |
5165 | };
5166 |
5167 | function _format_float( f, num ) {
5168 |
5169 | if ( f === undefined ) {
5170 |
5171 | var s = '0.';
5172 |
5173 | while ( s.length < num + 2 ) {
5174 |
5175 | s += '0';
5176 |
5177 | }
5178 |
5179 | return s;
5180 |
5181 | }
5182 |
5183 | num = num || 2;
5184 |
5185 | var parts = f.toString().split( '.' );
5186 | parts[ 1 ] = parts.length > 1 ? parts[ 1 ].substr( 0, num ) : "0";
5187 |
5188 | while ( parts[ 1 ].length < num ) {
5189 |
5190 | parts[ 1 ] += '0';
5191 |
5192 | }
5193 |
5194 | return parts.join( '.' );
5195 |
5196 | };
5197 |
5198 | function loadTextureImage ( texture, url ) {
5199 |
5200 | var loader = new THREE.ImageLoader();
5201 | //console.log(url);
5202 |
5203 | loader.load( url, function ( image ) {
5204 |
5205 | texture.image = image;
5206 | texture.needsUpdate = true;
5207 |
5208 | } );
5209 |
5210 | };
5211 |
5212 | function extractDoubleSided( obj, element ) {
5213 |
5214 | obj.doubleSided = false;
5215 |
5216 | var node = element.querySelectorAll('extra double_sided')[0];
5217 |
5218 | if ( node ) {
5219 |
5220 | if ( node && parseInt( node.textContent, 10 ) === 1 ) {
5221 |
5222 | obj.doubleSided = true;
5223 |
5224 | }
5225 |
5226 | }
5227 |
5228 | };
5229 |
5230 | // Up axis conversion
5231 |
5232 | function setUpConversion() {
5233 |
5234 | if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
5235 |
5236 | upConversion = null;
5237 |
5238 | } else {
5239 |
5240 | switch ( colladaUp ) {
5241 |
5242 | case 'X':
5243 |
5244 | upConversion = options.upAxis === 'Y' ? 'XtoY' : 'XtoZ';
5245 | break;
5246 |
5247 | case 'Y':
5248 |
5249 | upConversion = options.upAxis === 'X' ? 'YtoX' : 'YtoZ';
5250 | break;
5251 |
5252 | case 'Z':
5253 |
5254 | upConversion = options.upAxis === 'X' ? 'ZtoX' : 'ZtoY';
5255 | break;
5256 |
5257 | }
5258 |
5259 | }
5260 |
5261 | };
5262 |
5263 | function fixCoords( data, sign ) {
5264 |
5265 | if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
5266 |
5267 | return;
5268 |
5269 | }
5270 |
5271 | switch ( upConversion ) {
5272 |
5273 | case 'XtoY':
5274 |
5275 | var tmp = data[ 0 ];
5276 | data[ 0 ] = sign * data[ 1 ];
5277 | data[ 1 ] = tmp;
5278 | break;
5279 |
5280 | case 'XtoZ':
5281 |
5282 | var tmp = data[ 2 ];
5283 | data[ 2 ] = data[ 1 ];
5284 | data[ 1 ] = data[ 0 ];
5285 | data[ 0 ] = tmp;
5286 | break;
5287 |
5288 | case 'YtoX':
5289 |
5290 | var tmp = data[ 0 ];
5291 | data[ 0 ] = data[ 1 ];
5292 | data[ 1 ] = sign * tmp;
5293 | break;
5294 |
5295 | case 'YtoZ':
5296 |
5297 | var tmp = data[ 1 ];
5298 | data[ 1 ] = sign * data[ 2 ];
5299 | data[ 2 ] = tmp;
5300 | break;
5301 |
5302 | case 'ZtoX':
5303 |
5304 | var tmp = data[ 0 ];
5305 | data[ 0 ] = data[ 1 ];
5306 | data[ 1 ] = data[ 2 ];
5307 | data[ 2 ] = tmp;
5308 | break;
5309 |
5310 | case 'ZtoY':
5311 |
5312 | var tmp = data[ 1 ];
5313 | data[ 1 ] = data[ 2 ];
5314 | data[ 2 ] = sign * tmp;
5315 | break;
5316 |
5317 | }
5318 |
5319 | };
5320 |
5321 | function getConvertedTranslation( axis, data ) {
5322 |
5323 | if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
5324 |
5325 | return data;
5326 |
5327 | }
5328 |
5329 | switch ( axis ) {
5330 | case 'X':
5331 | data = upConversion === 'XtoY' ? data * -1 : data;
5332 | break;
5333 | case 'Y':
5334 | data = upConversion === 'YtoZ' || upConversion === 'YtoX' ? data * -1 : data;
5335 | break;
5336 | case 'Z':
5337 | data = upConversion === 'ZtoY' ? data * -1 : data ;
5338 | break;
5339 | default:
5340 | break;
5341 | }
5342 |
5343 | return data;
5344 | };
5345 |
5346 | function getConvertedVec3( data, offset ) {
5347 |
5348 | var arr = [ data[ offset ], data[ offset + 1 ], data[ offset + 2 ] ];
5349 | fixCoords( arr, -1 );
5350 | return new THREE.Vector3( arr[ 0 ], arr[ 1 ], arr[ 2 ] );
5351 |
5352 | };
5353 |
5354 | function getConvertedMat4( data ) {
5355 |
5356 | if ( options.convertUpAxis ) {
5357 |
5358 | // First fix rotation and scale
5359 |
5360 | // Columns first
5361 | var arr = [ data[ 0 ], data[ 4 ], data[ 8 ] ];
5362 | fixCoords( arr, -1 );
5363 | data[ 0 ] = arr[ 0 ];
5364 | data[ 4 ] = arr[ 1 ];
5365 | data[ 8 ] = arr[ 2 ];
5366 | arr = [ data[ 1 ], data[ 5 ], data[ 9 ] ];
5367 | fixCoords( arr, -1 );
5368 | data[ 1 ] = arr[ 0 ];
5369 | data[ 5 ] = arr[ 1 ];
5370 | data[ 9 ] = arr[ 2 ];
5371 | arr = [ data[ 2 ], data[ 6 ], data[ 10 ] ];
5372 | fixCoords( arr, -1 );
5373 | data[ 2 ] = arr[ 0 ];
5374 | data[ 6 ] = arr[ 1 ];
5375 | data[ 10 ] = arr[ 2 ];
5376 | // Rows second
5377 | arr = [ data[ 0 ], data[ 1 ], data[ 2 ] ];
5378 | fixCoords( arr, -1 );
5379 | data[ 0 ] = arr[ 0 ];
5380 | data[ 1 ] = arr[ 1 ];
5381 | data[ 2 ] = arr[ 2 ];
5382 | arr = [ data[ 4 ], data[ 5 ], data[ 6 ] ];
5383 | fixCoords( arr, -1 );
5384 | data[ 4 ] = arr[ 0 ];
5385 | data[ 5 ] = arr[ 1 ];
5386 | data[ 6 ] = arr[ 2 ];
5387 | arr = [ data[ 8 ], data[ 9 ], data[ 10 ] ];
5388 | fixCoords( arr, -1 );
5389 | data[ 8 ] = arr[ 0 ];
5390 | data[ 9 ] = arr[ 1 ];
5391 | data[ 10 ] = arr[ 2 ];
5392 |
5393 | // Now fix translation
5394 | arr = [ data[ 3 ], data[ 7 ], data[ 11 ] ];
5395 | fixCoords( arr, -1 );
5396 | data[ 3 ] = arr[ 0 ];
5397 | data[ 7 ] = arr[ 1 ];
5398 | data[ 11 ] = arr[ 2 ];
5399 |
5400 | }
5401 |
5402 | return new THREE.Matrix4().set(
5403 | data[0], data[1], data[2], data[3],
5404 | data[4], data[5], data[6], data[7],
5405 | data[8], data[9], data[10], data[11],
5406 | data[12], data[13], data[14], data[15]
5407 | );
5408 |
5409 | };
5410 |
5411 | function getConvertedIndex( index ) {
5412 |
5413 | if ( index > -1 && index < 3 ) {
5414 |
5415 | var members = [ 'X', 'Y', 'Z' ],
5416 | indices = { X: 0, Y: 1, Z: 2 };
5417 |
5418 | index = getConvertedMember( members[ index ] );
5419 | index = indices[ index ];
5420 |
5421 | }
5422 |
5423 | return index;
5424 |
5425 | };
5426 |
5427 | function getConvertedMember( member ) {
5428 |
5429 | if ( options.convertUpAxis ) {
5430 |
5431 | switch ( member ) {
5432 |
5433 | case 'X':
5434 |
5435 | switch ( upConversion ) {
5436 |
5437 | case 'XtoY':
5438 | case 'XtoZ':
5439 | case 'YtoX':
5440 |
5441 | member = 'Y';
5442 | break;
5443 |
5444 | case 'ZtoX':
5445 |
5446 | member = 'Z';
5447 | break;
5448 |
5449 | }
5450 |
5451 | break;
5452 |
5453 | case 'Y':
5454 |
5455 | switch ( upConversion ) {
5456 |
5457 | case 'XtoY':
5458 | case 'YtoX':
5459 | case 'ZtoX':
5460 |
5461 | member = 'X';
5462 | break;
5463 |
5464 | case 'XtoZ':
5465 | case 'YtoZ':
5466 | case 'ZtoY':
5467 |
5468 | member = 'Z';
5469 | break;
5470 |
5471 | }
5472 |
5473 | break;
5474 |
5475 | case 'Z':
5476 |
5477 | switch ( upConversion ) {
5478 |
5479 | case 'XtoZ':
5480 |
5481 | member = 'X';
5482 | break;
5483 |
5484 | case 'YtoZ':
5485 | case 'ZtoX':
5486 | case 'ZtoY':
5487 |
5488 | member = 'Y';
5489 | break;
5490 |
5491 | }
5492 |
5493 | break;
5494 |
5495 | }
5496 |
5497 | }
5498 |
5499 | return member;
5500 |
5501 | };
5502 |
5503 | return {
5504 |
5505 | load: load,
5506 | parse: parse,
5507 | setPreferredShading: setPreferredShading,
5508 | applySkin: applySkin,
5509 | geometries : geometries,
5510 | options: options
5511 |
5512 | };
5513 |
5514 | };
5515 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | ### Loading 3D models into React applications
2 |
3 | This code makes it easier to create React components from imported 3D-models. To be used in applications using react-three or react-three-renderer and Three.js. It consists of 3 files:
4 |
5 | - `parsed_model.js`: contains the class ParsedModel, the main code.
6 | - `create_material.js`: converts THREE.Material instances to react-three-renderer components, needs to be extended with more types of material which is fairly straight-forward. This file is only needed in projects that use react-three-renderer.
7 | - `ColladaLoader.js`: only necessary if your project needs to load Collada files.
8 |
9 | ### ParsedModel
10 |
11 | ```
12 | let model = new ParsedModel();
13 | model.load('path/to/model').then(
14 | function resolve(m){
15 | console.log('loaded:', m);
16 | },
17 | function reject(e){
18 | console.error('error:', e);
19 | }
20 | );
21 |
22 | ```
23 |
24 | If your application does not need to be able to load Collada files you can uncomment the lines:
25 |
26 | ```
27 | import ColladaLoader from './ColladaLoader';
28 | ```
29 | and in the constructor:
30 | ```
31 | this._colladaLoader = new THREE.ColladaLoader();
32 | ```
33 |
34 |
35 | #### constructor
36 | You can pass an optional settings object to the constructor:
37 |
38 | ```
39 | let model = new ParsedModel({
40 | scale: 1,
41 | rotation: new THREE.Quaternion()
42 | });
43 | ```
44 |
45 | The settings object sets the rotation and the scale of the model itself, not the rotation and the scale of the THREE.Object3D instance that contains the model.
46 |
47 |
48 | #### load(url, [settings])
49 | You can load both JSON and Collada files. Files with the extension `.dae` and `.collada` will be loaded using the ColladaLoader and files with a `.json` extension will be loaded with the THREE.ObjectLoader.
50 | Like in the constructor the settings object is optional and allows you to set the scale and rotation of the loaded model itself.
51 |
52 |
53 | #### loadCollada(url, [settings])
54 | Allows you to load Collada files that have a different extension.
55 |
56 |
57 | #### loadJSON(url, [settings])
58 | Allows you to load JSON files that have a different extension.
59 |
60 |
61 | #### parse(Object3D, [settings])
62 | Parses an instance of Object3D (or subclasses thereof). This method is particularly handy if you want to use an external model that has already been loaded by another method.
63 |
64 |
65 | #### properties
66 | After you have loaded or parsed an external 3D model, an instance of `ParsedModel` has the following properties:
67 |
68 | - `model`: reference to the loaded 3D model
69 | - `name`: name of the loaded 3D model
70 | - `geometries`: a Map of all geometries of the loaded 3D model
71 | - `mergedGeometry`: all geometries merged into a single instance of THREE.BufferGeometry
72 | - `materialArray`: an Array containing all used materials
73 | - `material`: an instance of THREE.MeshFaceMaterial made of all used materials
74 |
75 |
76 |
77 | ### Rendering a 3D model with React
78 | Example with react-three using the merged geometry and the multi-material:
79 | ```
80 | let geometry = this.props.parsedModel.mergedGeometry;
81 | let material = this.props.parsedModel.material;
82 | return(
83 |
90 | );
91 | ```
92 |
93 | Currently multi-materials are not yet supported in react-three-renderer so we need a bit more code here:
94 |
95 | ```
96 | let meshes = [];
97 | let geometries = this.props.parsedModel.geometries;
98 | let materialsArray = this.props.parsedModel.materialsArray;
99 | let materialIndices = this.props.parsedModel.materialIndices;
100 |
101 | geometries.forEach((geometry, uuid) => {
102 | // get the right material for this geometry using the material index
103 | let material = materialsArray[materialIndices.get(uuid)];
104 | // create a react-three-renderer material component
105 | material = createMaterial(material);
106 |
107 | meshes.push(
108 |
111 |
115 | {material}
116 |
117 | );
118 | });
119 |
120 | return(
121 |
122 | {meshes}
123 |
124 | );
125 |
126 | ```
127 |
128 |
129 | ### Examples
130 |
131 | In this [repository](https://github.com/tweedegolf/parsed_model_examples) you can find 2 working examples of how to use `ParsedModel` with react-three and react-three-renderer. As mentioned above if your application does not need to load collada's you don't have to add the file ColladaLoader.js to your project, and the file create_material.js is only needed in projects that use react-three-renderer.
--------------------------------------------------------------------------------
/create_material.js:
--------------------------------------------------------------------------------
1 | import React from 'react';
2 |
3 | // simple method that parses a Threejs material into a component (to be extended with other types of material)
4 |
5 | export default function createMaterial(material){
6 | let m;
7 | switch(material.type){
8 | case 'MeshBasicMaterial':
9 | m = (
10 |
13 | );
14 | break;
15 | case 'MeshLambertMaterial':
16 | m = (
17 |
28 | );
29 | break;
30 | default:
31 | m = null;
32 | }
33 |
34 | return m;
35 | }
36 |
--------------------------------------------------------------------------------
/parsed_model.js:
--------------------------------------------------------------------------------
1 | import THREE from 'three';
2 | import ColladaLoader from './ColladaLoader';
3 |
4 | export default class ParsedModel{
5 |
6 | constructor(settings){
7 | this._colladaLoader = new THREE.ColladaLoader();
8 | this._objectLoader = new THREE.ObjectLoader();
9 | this._parseSettings(settings || {});
10 | }
11 |
12 | _parseSettings(settings){
13 | this.quaternion = settings.quaternion || new THREE.Quaternion();
14 | this.scale = settings.scale;
15 | if(typeof this.scale !== 'number'){
16 | this.scale = 1;
17 | }
18 | }
19 |
20 | parse(model, settings){
21 | if(typeof settings !== 'undefined'){
22 | this._parseSettings(settings);
23 | }
24 | if(typeof model.traverse === 'undefined'){
25 | console.error('not an instance of THREE.Object3D');
26 | return;
27 | }
28 | this.model = model;
29 | this.name = model.name;
30 | this.geometries = new Map();
31 | this.materialIndices = new Map();
32 | this.materialsArray = [];
33 |
34 | // adjust the rotation of the model according to the rotation of the world
35 | this.model.quaternion.copy(this.quaternion);
36 | this.model.updateMatrix();
37 |
38 | let index = 0;
39 | this.model.traverse((child) => {
40 | if(child instanceof THREE.Mesh){
41 | // set initial scale of model by scaling its geometries
42 | child.geometry.scale(this.scale, this.scale, this.scale);
43 | // create an array of the use materials
44 | let uuid = child.material.uuid;
45 | this.materialIndices.set(uuid, index++);
46 | this.materialsArray.push(child.material);
47 | this.geometries.set(uuid, child.geometry);
48 | }
49 | });
50 | //console.log('number of geometries merged', index);
51 |
52 | // create multimaterial
53 | this.material = new THREE.MeshFaceMaterial(this.materialsArray);
54 |
55 | let merged = new THREE.Geometry();
56 | // merge the geometry and apply the matrix of the new position
57 | this.geometries.forEach((g, uuid) => {
58 | merged.merge(g, this.model.matrix, this.materialIndices.get(uuid));
59 | });
60 |
61 | this.mergedGeometry = new THREE.BufferGeometry().fromGeometry(merged);
62 | }
63 |
64 | load(url, settings){
65 | if(typeof settings !== 'undefined'){
66 | this._parseSettings(settings);
67 | }
68 | if(typeof url !== 'string'){
69 | url = 'none';
70 | }
71 | url = url || 'none';
72 | let p;
73 | let type = url.substring(url.lastIndexOf('.') + 1).toLowerCase();
74 |
75 | switch(type){
76 | case 'dae':
77 | case 'collada':
78 | p = this.loadCollada(url);
79 | break;
80 | case 'json':
81 | p = this.loadJSON(url);
82 | break;
83 | default:
84 | p = new Promise((resolve, reject) => {
85 | reject('wrong data provided');
86 | });
87 | }
88 | return p;
89 | }
90 |
91 | loadCollada(url, settings){
92 | if(typeof settings !== 'undefined'){
93 | this._parseSettings(settings);
94 | }
95 |
96 | return new Promise((resolve, reject) => {
97 | this._colladaLoader.load(
98 | url,
99 | // success callback
100 | (data) => {
101 | this.parse(data.scene);
102 | resolve();
103 | },
104 | // progress callback
105 | () => {},
106 | // error callback
107 | (error) => {
108 | reject(error);
109 | }
110 | );
111 | });
112 | }
113 |
114 | loadJSON(url, settings){
115 | if(typeof settings !== 'undefined'){
116 | this._parseSettings(settings);
117 | }
118 |
119 | return new Promise((resolve, reject) => {
120 | this._objectLoader.load(
121 | url,
122 | // success callback
123 | (data) => {
124 | this.parse(data);
125 | resolve();
126 | },
127 | // progress callback
128 | () => {},
129 | // error callback
130 | (error) => {
131 | reject(error);
132 | }
133 | );
134 | });
135 | }
136 | }
137 |
--------------------------------------------------------------------------------