├── .eslintrc.json
├── .gitignore
├── LICENSE
├── README.md
├── assets
    ├── DejaVu-sdf.fnt
    └── DejaVu-sdf.png
├── dist
    ├── .gitkeep
    ├── aframe-bmfont-text-component.js
    ├── aframe-bmfont-text-component.min.js
    └── old
    │   ├── aframe-bmfont-text-component-no-prim.js
    │   ├── aframe-bmfont-text-component-no-prim.min.js
    │   ├── aframe-bmfont-text-component-v0.1.0.js
    │   └── aframe-bmfont-text-component-v0.1.0.min.js
├── docs
    ├── basic
    │   └── index.html
    ├── build.js
    ├── colors
    │   └── index.html
    ├── index.html
    ├── line-break
    │   └── index.html
    ├── line-height
    │   └── index.html
    ├── main.js
    ├── opacity
    │   └── index.html
    ├── pre-mode
    │   └── index.html
    ├── primitive
    │   └── index.html
    ├── sizes
    │   └── index.html
    ├── text-align
    │   └── index.html
    └── width-wrap
    │   └── index.html
├── extras
    └── text-primitive.js
├── index.js
├── lib
    └── shaders
    │   ├── basic.js
    │   ├── multipage.js
    │   └── sdf.js
└── package.json


/.eslintrc.json:
--------------------------------------------------------------------------------
1 | {
2 |     "extends": "semistandard",
3 |     "installedESLint": true,
4 |     "env": {
5 |       "commonjs": true
6 |     }
7 | }


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/.gitignore:
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1 | .sw[ponm]
2 | node_modules/
3 | npm-debug.log
4 | debug.log
5 | 


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/LICENSE:
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 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2015 Ben Pyrik
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 
23 | 


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/README.md:
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  1 | **This is an old component!** A-Frame 0.5.0 and up includes SDF text as [a standard component](https://aframe.io/docs/0.5.0/components/text.html). Use that instead!
  2 | 
  3 | <hr>
  4 | 
  5 | ## aframe-bmfont-text-component
  6 | 
  7 | **Works with A-Frame version 0.3.0.**
  8 | 
  9 | This component is useful for rendering bitmap and signed distance field font text in [A-Frame](https://aframe.io). Basically, it wraps Matt DesLauriers' [three-bmfont-text](https://github.com/Jam3/three-bmfont-text) and [load-bmfont](https://github.com/Jam3/load-bmfont).
 10 | 
 11 | ![screenshot](http://i.imgur.com/pDDlzAX.png)
 12 | 
 13 | ## Properties
 14 | 
 15 | |    Property   |          Description         |     Default Value     |
 16 | |:-------------:|:----------------------------:|:---------------------:|
 17 | |      text     |  the text you want to appear |          None         |
 18 | |     width     |     width of the text box    |          None         |
 19 | |     align     |   'left', 'center', 'right'  |          left         |
 20 | | letterSpacing | the letter spacing in pixels |           0           |
 21 | |   lineHeight  |   the line height in pixels  |           38          |
 22 | |      fnt      |      path to 'fnt' file      | https://... |
 23 | |    fntImage   |    path to font image file   | https://... |
 24 | |      mode     |      'pre' and 'nowrap'      |        'normal'       |
 25 | |     color     |     by RGB, hex, or name     |          #000         |
 26 | |    opacity    |    Extent of transparency.   |          1.0          |
 27 | 
 28 | More details on these properties [here](https://github.com/Jam3/three-bmfont-text#usage).
 29 | 
 30 | Explanation of 'mode' property [here](https://github.com/mattdesl/word-wrapper).
 31 | 
 32 | ## Usage
 33 | 
 34 | Write some text:
 35 | 
 36 | ```html
 37 | <a-entity bmfont-text="text: Hello World;"></a-entity>
 38 | ```
 39 | 
 40 | To change the size of the text, use the [scale](https://aframe.io/docs/0.2.0/components/scale.html) component or position the text closer or further away.
 41 | 
 42 | Text can be wrapped by specifying width, but I'm not sure what units three-bmfont-text uses. You will have to play around a bit.
 43 | 
 44 | ## Custom Fonts
 45 | 
 46 | A guide for generating SDF fonts can be found [here](https://github.com/libgdx/libgdx/wiki/Distance-field-fonts); here is an example comparing [Arial Black and DejaVu](http://i.imgur.com/iWtXHm5.png). Bitmap fonts also work, but do not look nearly as good.
 47 | 
 48 | Different fonts can be specified with the 'fnt' and 'fntImage' properties.
 49 | 
 50 | ```html
 51 | <a-entity bmfont-text="text: Hello World; fnt:../fonts/DejaVu-sdf.fnt; fntImage:../fonts/DejaVu-sdf.png">
 52 | </a-entity>
 53 | ```
 54 | 
 55 | Thanks to [jsDelivr](https://www.jsdelivr.com), these default to hosted "DejaVu-sdf.fnt" and "DejaVu-sdf.png" files.
 56 | 
 57 | ## Limitations
 58 | 
 59 | This component does not make use of all of the features of [three-bmfont-text](https://github.com/Jam3/three-bmfont-text) and its sister modules, if you require more advanced functionality such as tabSize and start and end indices, I recommend forking this component and modifying it. Pull requests are welcome, but please include a test example.
 60 | 
 61 | Bitmap font rendering limits you to the characters included in the font (Unicode this is not). SDF font (in particular) tends to smooth sharp edges though [there are ways around this](https://lambdacube3d.wordpress.com/2014/11/12/playing-around-with-font-rendering/).
 62 | 
 63 | #### Additional Information
 64 | 
 65 | If you are interested in text rendering in WebGL/ThreeJS/A-Frame and want to learn more, I recommend reading the documentation for [three-bmfont-text](https://github.com/Jam3/three-bmfont-text). 
 66 | 
 67 | Here are some additional resources:
 68 | 
 69 | - ['It’s 2015 and drawing text is still hard (WebGL, ThreeJS)' by Parris Khachi](https://www.eventbrite.com/engineering/its-2015-and-drawing-text-is-still-hard-webgl-threejs/)
 70 | - [Valve's original paper](http://www.valvesoftware.com/publications/2007/SIGGRAPH2007_AlphaTestedMagnification.pdf)
 71 | - ['Hacking with THREE.js' by Matt DesLauriers](http://slides.com/mattdeslauriers/hacking-with-three-js#/13)
 72 | 
 73 | ## Installation
 74 | 
 75 | #### Browser
 76 | 
 77 | Install and use by directly including the [browser files](dist):
 78 | 
 79 | ```html
 80 | <head>
 81 |   <title>My A-Frame Scene</title>
 82 |   <script src="https://aframe.io/releases/0.3.0/aframe.min.js"></script>
 83 |   <script src="https://cdn.jsdelivr.net/gh/bryik/aframe-bmfont-text-component@e041ead91a309c924408087a0f7aef0cb870e2f9/dist/aframe-bmfont-text-component.min.js"></script>
 84 | </head>
 85 | 
 86 | <body>
 87 |   <a-scene>
 88 |     <a-entity bmfont-text="text: Hello world"></a-entity>
 89 |   </a-scene>
 90 | </body>
 91 | ```
 92 | 
 93 | #### NPM
 94 | 
 95 | Install via NPM:
 96 | 
 97 | ```bash
 98 | npm install aframe-bmfont-text-component
 99 | ```
100 | 
101 | Then register and use.
102 | 
103 | ```js
104 | require('aframe');
105 | require('aframe-bmfont-text-component');
106 | ```
107 | 


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/assets/DejaVu-sdf.fnt:
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101 | kernings count=-1
102 | 


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/assets/DejaVu-sdf.png:
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https://raw.githubusercontent.com/bryik/aframe-bmfont-text-component/9b4d5384f63e499caaf1c0ca69f7de486452f268/assets/DejaVu-sdf.png


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/dist/.gitkeep:
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1 | `npm run dist` to generate browser files.
2 | 


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/dist/aframe-bmfont-text-component.min.js:
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 3 | 	 *
 4 | 	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 5 | 	 * @license  MIT
 6 | 	 */
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 8 | 	 * Determine if an object is a Buffer
 9 | 	 *
10 | 	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
11 | 	 * @license  MIT
12 | 	 */
13 | t.exports=function(t){return null!=t&&(r(t)||n(t)||!!t._isBuffer)}},function(t,e,r){function n(t){this.glyphs=[],this._measure=this.computeMetrics.bind(this),this.update(t)}function i(t){Object.defineProperty(n.prototype,t,{get:o(t),configurable:!0})}function o(t){return new Function(["return function "+t+"() {","  return this._"+t,"}"].join("\n"))()}function a(t,e){if(!t.chars||0===t.chars.length)return null;var r=d(t.chars,e);return r>=0?t.chars[r]:null}function u(t){for(var e=0;e<y.length;e++){var r=y[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n].height}return 0}function s(t){for(var e=0;e<v.length;e++){var r=v[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n]}return 0}function f(t){for(var e=0;e<w.length;e++){var r=w[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n].height}return 0}function h(t,e,r){if(!t.kernings||0===t.kernings.length)return 0;for(var n=t.kernings,i=0;i<n.length;i++){var o=n[i];if(o.first===e&&o.second===r)return o.amount}return 0}function c(t){return"center"===t?A:"right"===t?x:E}var p=r(34),l=r(2),d=r(17)("id"),g=r(9),y=["x","e","a","o","n","s","r","c","u","m","v","w","z"],v=["m","w"],w=["H","I","N","E","F","K","L","T","U","V","W","X","Y","Z"],m="\t".charCodeAt(0),b=" ".charCodeAt(0),E=0,A=1,x=2;t.exports=function(t){return new n(t)},n.prototype.update=function(t){if(t=l({measure:this._measure},t),this._opt=t,this._opt.tabSize=g(this._opt.tabSize,4),!t.font)throw new Error("must provide a valid bitmap font");var e=this.glyphs,r=t.text||"",n=t.font;this._setupSpaceGlyphs(n);var i=p.lines(r,t),o=t.width||0;e.length=0;var a=i.reduce(function(t,e){return Math.max(t,e.width,o)},0),s=0,d=0,y=g(t.lineHeight,n.common.lineHeight),v=n.common.base,w=y-v,m=t.letterSpacing||0,b=y*i.length-w,E=c(this._opt.align);d-=b,this._width=a,this._height=b,this._descender=y-v,this._baseline=v,this._xHeight=u(n),this._capHeight=f(n),this._lineHeight=y,this._ascender=y-w-this._xHeight;var _=this;i.forEach(function(t,i){for(var o,u=t.start,f=t.end,c=t.width,p=u;p<f;p++){var l=r.charCodeAt(p),g=_.getGlyph(n,l);if(g){o&&(s+=h(n,o.id,g.id));var v=s;E===A?v+=(a-c)/2:E===x&&(v+=a-c),e.push({position:[v,d],data:g,index:p,line:i}),s+=g.xadvance+m,o=g}}d+=y,s=0}),this._linesTotal=i.length},n.prototype._setupSpaceGlyphs=function(t){if(this._fallbackSpaceGlyph=null,this._fallbackTabGlyph=null,t.chars&&0!==t.chars.length){var e=a(t,b)||s(t)||t.chars[0],r=this._opt.tabSize*e.xadvance;this._fallbackSpaceGlyph=e,this._fallbackTabGlyph=l(e,{x:0,y:0,xadvance:r,id:m,xoffset:0,yoffset:0,width:0,height:0})}},n.prototype.getGlyph=function(t,e){var r=a(t,e);return r?r:e===m?this._fallbackTabGlyph:e===b?this._fallbackSpaceGlyph:null},n.prototype.computeMetrics=function(t,e,r,n){var i,o,a=this._opt.letterSpacing||0,u=this._opt.font,s=0,f=0,c=0;if(!u.chars||0===u.chars.length)return{start:e,end:e,width:0};r=Math.min(t.length,r);for(var p=e;p<r;p++){var l=t.charCodeAt(p),i=this.getGlyph(u,l);if(i){var d=(i.xoffset,o?h(u,o.id,i.id):0);s+=d;var g=s+i.xadvance+a,y=s+i.width;if(y>=n||g>=n)break;s=g,f=y,o=i}c++}return o&&(f+=o.xoffset),{start:e,end:e+c,width:f}},["width","height","descender","ascender","xHeight","baseline","capHeight","lineHeight"].forEach(i)},function(t,e,r){(function(e){function n(t){var e=Object.prototype.toString;return"[object ArrayBuffer]"===e.call(t)}function i(t){if(p)return c(t,{responseType:"arraybuffer"});if("undefined"==typeof window.XMLHttpRequest)throw new Error("your browser does not support XHR loading");var e=new window.XMLHttpRequest;return e.overrideMimeType("text/plain; charset=x-user-defined"),c({xhr:e},t)}var o=r(35),a=function(){},u=r(23),s=r(25),f=r(24),h=r(22),c=r(2),p=function(){return window.XMLHttpRequest&&"withCredentials"in new XMLHttpRequest}();t.exports=function(t,r){r="function"==typeof r?r:a,"string"==typeof t?t={uri:t}:t||(t={});var c=t.binary;c&&(t=i(t)),o(t,function(i,o,c){if(i)return r(i);if(!/^2/.test(o.statusCode))return r(new Error("http status code: "+o.statusCode));if(!c)return r(new Error("no body result"));var p=!1;if(n(c)){var l=new Uint8Array(c);c=new e(l,"binary")}h(c)&&(p=!0,"string"==typeof c&&(c=new e(c,"binary"))),p||(e.isBuffer(c)&&(c=c.toString(t.encoding)),c=c.trim());var d;try{var g=o.headers["content-type"];d=p?f(c):/json/.test(g)||"{"===c.charAt(0)?JSON.parse(c):/xml/.test(g)||"<"===c.charAt(0)?s(c):u(c)}catch(y){r(new Error("error parsing font "+y.message)),r=a}r(null,d)})}}).call(e,r(1).Buffer)},function(t,e,r){(function(e){var n=r(11),i=new e([66,77,70,3]);t.exports=function(t){return"string"==typeof t?"BMF"===t.substring(0,3):t.length>4&&n(t.slice(0,4),i)}}).call(e,r(1).Buffer)},function(t,e){function r(t,e){if(t=t.replace(/\t+/g," ").trim(),!t)return null;var r=t.indexOf(" ");if(r===-1)throw new Error("no named row at line "+e);var i=t.substring(0,r);t=t.substring(r+1),t=t.replace(/letter=[\'\"]\S+[\'\"]/gi,""),t=t.split("="),t=t.map(function(t){return t.trim().match(/(".*?"|[^"\s]+)+(?=\s*|\s*$)/g)});for(var o=[],a=0;a<t.length;a++){var u=t[a];0===a?o.push({key:u[0],data:""}):a===t.length-1?o[o.length-1].data=n(u[0]):(o[o.length-1].data=n(u[0]),o.push({key:u[1],data:""}))}var s={key:i,data:{}};return o.forEach(function(t){s.data[t.key]=t.data}),s}function n(t){return t&&0!==t.length?0===t.indexOf('"')||0===t.indexOf("'")?t.substring(1,t.length-1):t.indexOf(",")!==-1?i(t):parseInt(t,10):""}function i(t){return t.split(",").map(function(t){return parseInt(t,10)})}t.exports=function(t){if(!t)throw new Error("no data provided");t=t.toString().trim();var e={pages:[],chars:[],kernings:[]},n=t.split(/\r\n?|\n/g);if(0===n.length)throw new Error("no data in BMFont file");for(var i=0;i<n.length;i++){var o=r(n[i],i);if(o)if("page"===o.key){if("number"!=typeof o.data.id)throw new Error("malformed file at line "+i+" -- needs page id=N");if("string"!=typeof o.data.file)throw new Error("malformed file at line "+i+' -- needs page file="path"');e.pages[o.data.id]=o.data.file}else"chars"===o.key||"kernings"===o.key||("char"===o.key?e.chars.push(o.data):"kerning"===o.key?e.kernings.push(o.data):e[o.key]=o.data)}return e}},function(t,e){function r(t,e,r){if(r>e.length-1)return 0;var s=e.readUInt8(r++),f=e.readInt32LE(r);switch(r+=4,s){case 1:t.info=n(e,r);break;case 2:t.common=i(e,r);break;case 3:t.pages=o(e,r,f);break;case 4:t.chars=a(e,r,f);break;case 5:t.kernings=u(e,r,f)}return 5+f}function n(t,e){var r={};r.size=t.readInt16LE(e);var n=t.readUInt8(e+2);return r.smooth=n>>7&1,r.unicode=n>>6&1,r.italic=n>>5&1,r.bold=n>>4&1,n>>3&1&&(r.fixedHeight=1),r.charset=t.readUInt8(e+3)||"",r.stretchH=t.readUInt16LE(e+4),r.aa=t.readUInt8(e+6),r.padding=[t.readInt8(e+7),t.readInt8(e+8),t.readInt8(e+9),t.readInt8(e+10)],r.spacing=[t.readInt8(e+11),t.readInt8(e+12)],r.outline=t.readUInt8(e+13),r.face=f(t,e+14),r}function i(t,e){var r={};r.lineHeight=t.readUInt16LE(e),r.base=t.readUInt16LE(e+2),r.scaleW=t.readUInt16LE(e+4),r.scaleH=t.readUInt16LE(e+6),r.pages=t.readUInt16LE(e+8);t.readUInt8(e+10);return r.packed=0,r.alphaChnl=t.readUInt8(e+11),r.redChnl=t.readUInt8(e+12),r.greenChnl=t.readUInt8(e+13),r.blueChnl=t.readUInt8(e+14),r}function o(t,e,r){for(var n=[],i=s(t,e),o=i.length+1,a=r/o,u=0;u<a;u++)n[u]=t.slice(e,e+i.length).toString("utf8"),e+=o;return n}function a(t,e,r){for(var n=[],i=r/20,o=0;o<i;o++){var a={},u=20*o;a.id=t.readUInt32LE(e+0+u),a.x=t.readUInt16LE(e+4+u),a.y=t.readUInt16LE(e+6+u),a.width=t.readUInt16LE(e+8+u),a.height=t.readUInt16LE(e+10+u),a.xoffset=t.readInt16LE(e+12+u),a.yoffset=t.readInt16LE(e+14+u),a.xadvance=t.readInt16LE(e+16+u),a.page=t.readUInt8(e+18+u),a.chnl=t.readUInt8(e+19+u),n[o]=a}return n}function u(t,e,r){for(var n=[],i=r/10,o=0;o<i;o++){var a={},u=10*o;a.first=t.readUInt32LE(e+0+u),a.second=t.readUInt32LE(e+4+u),a.amount=t.readInt16LE(e+8+u),n[o]=a}return n}function s(t,e){for(var r=e;r<t.length&&0!==t[r];r++);return t.slice(e,r)}function f(t,e){return s(t,e).toString("utf8")}var h=[66,77,70];t.exports=function(t){if(t.length<6)throw new Error("invalid buffer length for BMFont");var e=h.every(function(e,r){return t.readUInt8(r)===e});if(!e)throw new Error("BMFont missing BMF byte header");var n=3,i=t.readUInt8(n++);if(i>3)throw new Error("Only supports BMFont Binary v3 (BMFont App v1.10)");for(var o={kernings:[],chars:[]},a=0;a<5;a++)n+=r(o,t,n);return o}},function(t,e,r){function n(t){var e=i(t);return e.reduce(function(t,e){var r=o(e.nodeName);return t[r]=e.nodeValue,t},{})}function i(t){for(var e=[],r=0;r<t.attributes.length;r++)e.push(t.attributes[r]);return e}function o(t){return s[t.toLowerCase()]||t}var a=r(26),u=r(36),s={scaleh:"scaleH",scalew:"scaleW",stretchh:"stretchH",lineheight:"lineHeight",alphachnl:"alphaChnl",redchnl:"redChnl",greenchnl:"greenChnl",bluechnl:"blueChnl"};t.exports=function(t){t=t.toString();var e=u(t),r={pages:[],chars:[],kernings:[]};["info","common"].forEach(function(t){var i=e.getElementsByTagName(t)[0];i&&(r[t]=a(n(i)))});var i=e.getElementsByTagName("pages")[0];if(!i)throw new Error("malformed file -- no <pages> element");for(var o=i.getElementsByTagName("page"),s=0;s<o.length;s++){var f=o[s],h=parseInt(f.getAttribute("id"),10),c=f.getAttribute("file");if(isNaN(h))throw new Error('malformed file -- page "id" attribute is NaN');if(!c)throw new Error('malformed file -- needs page "file" attribute');r.pages[parseInt(h,10)]=c}return["chars","kernings"].forEach(function(t){var i=e.getElementsByTagName(t)[0];if(i)for(var o=t.substring(0,t.length-1),u=i.getElementsByTagName(o),s=0;s<u.length;s++){var f=u[s];r[t].push(a(n(f)))}}),r}},function(t,e){function r(t){return t.split(",").map(function(t){return parseInt(t,10)})}var n="chasrset";t.exports=function(t){n in t&&(t.charset=t[n],delete t[n]);for(var e in t)"face"!==e&&"charset"!==e&&("padding"===e||"spacing"===e?t[e]=r(t[e]):t[e]=parseInt(t[e],10));return t}},function(t,e,r){var n=r(33),i=r(14),o=function(t){return"[object Array]"===Object.prototype.toString.call(t)};t.exports=function(t){if(!t)return{};var e={};return i(n(t).split("\n"),function(t){var r=t.indexOf(":"),i=n(t.slice(0,r)).toLowerCase(),a=n(t.slice(r+1));"undefined"==typeof e[i]?e[i]=a:o(e[i])?e[i].push(a):e[i]=[e[i],a]}),e}},function(t,e,r){var n=r(3),i=r(8),o=r(19),a=[0,2,3],u=[2,1,3];t.exports=function(t,e){t&&(i(t)||o(t))||(e=t||{},t=null),e="number"==typeof e?{count:e}:e||{};for(var r="string"==typeof e.type?e.type:"uint16",s="number"==typeof e.count?e.count:1,f=e.start||0,h=e.clockwise!==!1?a:u,c=h[0],p=h[1],l=h[2],d=6*s,g=t||new(n(r))(d),y=0,v=0;y<d;y+=6,v+=4){var w=y+f;g[w+0]=v+0,g[w+1]=v+1,g[w+2]=v+2,g[w+3]=v+c,g[w+4]=v+p,g[w+5]=v+l}return g}},function(t,e,r){function n(t){c.call(this),"string"==typeof t&&(t={text:t}),this._opt=s({},t),t&&this.update(t)}var i=r(20),o=r(18),a=r(28),u=r(32),s=r(5),f=r(31),h=r(30),c=THREE.BufferGeometry;t.exports=function(t){return new n(t)},o(n,c),n.prototype.update=function(t){if("string"==typeof t&&(t={text:t}),t=s({},this._opt,t),!t.font)throw new TypeError("must specify a { font } in options");this.layout=i(t);var e=t.flipY!==!1,r=t.font,n=r.common.scaleW,o=r.common.scaleH,h=this.layout.glyphs.filter(function(t){var e=t.data;return e.width*e.height>0});this.visibleGlyphs=h;var c=f.positions(h),p=f.uvs(h,n,o,e),l=a({clockwise:!0,type:"uint16",count:h.length});if(u.index(this,l,1,"uint16"),u.attr(this,"position",c,2),u.attr(this,"uv",p,2),!t.multipage&&"page"in this.attributes)this.removeAttribute("page");else if(t.multipage){var d=f.pages(h);u.attr(this,"page",d,1)}},n.prototype.computeBoundingSphere=function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);var t=this.attributes.position.array,e=this.attributes.position.itemSize;return!t||!e||t.length<2?(this.boundingSphere.radius=0,void this.boundingSphere.center.set(0,0,0)):(h.computeSphere(t,this.boundingSphere),void(isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.')))},n.prototype.computeBoundingBox=function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var t=this.boundingBox,e=this.attributes.position.array,r=this.attributes.position.itemSize;return!e||!r||e.length<2?void t.makeEmpty():void h.computeBox(e,t)}},function(t,e){function r(t){var e=t.length/n;i.min[0]=t[0],i.min[1]=t[1],i.max[0]=t[0],i.max[1]=t[1];for(var r=0;r<e;r++){var o=t[r*n+0],a=t[r*n+1];i.min[0]=Math.min(o,i.min[0]),i.min[1]=Math.min(a,i.min[1]),i.max[0]=Math.max(o,i.max[0]),i.max[1]=Math.max(a,i.max[1])}}var n=2,i={min:[0,0],max:[0,0]};t.exports.computeBox=function(t,e){r(t),e.min.set(i.min[0],i.min[1],0),e.max.set(i.max[0],i.max[1],0)},t.exports.computeSphere=function(t,e){r(t);var n=i.min[0],o=i.min[1],a=i.max[0],u=i.max[1],s=a-n,f=u-o,h=Math.sqrt(s*s+f*f);e.center.set(n+s/2,o+f/2,0),e.radius=h/2}},function(t,e){t.exports.pages=function r(t){var r=new Float32Array(4*t.length*1),e=0;return t.forEach(function(t){var n=t.data.page||0;r[e++]=n,r[e++]=n,r[e++]=n,r[e++]=n}),r},t.exports.uvs=function n(t,e,r,i){var n=new Float32Array(4*t.length*2),o=0;return t.forEach(function(t){var a=t.data,u=a.x+a.width,s=a.y+a.height,f=a.x/e,h=a.y/r,c=u/e,p=s/r;i&&(h=(r-a.y)/r,p=(r-s)/r),n[o++]=f,n[o++]=h,n[o++]=f,n[o++]=p,n[o++]=c,n[o++]=p,n[o++]=c,n[o++]=h}),n},t.exports.positions=function i(t){var i=new Float32Array(4*t.length*2),e=0;return t.forEach(function(t){var r=t.data,n=t.position[0]+r.xoffset,o=t.position[1]+r.yoffset,a=r.width,u=r.height;i[e++]=n,i[e++]=o,i[e++]=n,i[e++]=o+u,i[e++]=n+a,i[e++]=o+u,i[e++]=n+a,i[e++]=o}),i}},function(t,e,r){function n(t,e,r,n){"number"!=typeof r&&(r=1),"string"!=typeof n&&(n="uint16");var i=!t.index&&"function"!=typeof t.setIndex,a=i?t.getAttribute("index"):t.index,u=o(a,e,r,n);u&&(i?t.addAttribute("index",u):t.index=u)}function i(t,e,r,n,i){if("number"!=typeof n&&(n=3),"string"!=typeof i&&(i="float32"),Array.isArray(r)&&Array.isArray(r[0])&&r[0].length!==n)throw new Error("Nested vertex array has unexpected size; 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 8 | 	 * Determine if an object is a Buffer
 9 | 	 *
10 | 	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
11 | 	 * @license  MIT
12 | 	 */
13 | t.exports=function(t){return null!=t&&(r(t)||n(t)||!!t._isBuffer)}},function(t,e,r){function n(t){this.glyphs=[],this._measure=this.computeMetrics.bind(this),this.update(t)}function i(t){Object.defineProperty(n.prototype,t,{get:o(t),configurable:!0})}function o(t){return new Function(["return function "+t+"() {","  return this._"+t,"}"].join("\n"))()}function a(t,e){if(!t.chars||0===t.chars.length)return null;var r=d(t.chars,e);return r>=0?t.chars[r]:null}function u(t){for(var e=0;e<y.length;e++){var r=y[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n].height}return 0}function s(t){for(var e=0;e<v.length;e++){var r=v[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n]}return 0}function f(t){for(var e=0;e<w.length;e++){var r=w[e].charCodeAt(0),n=d(t.chars,r);if(n>=0)return t.chars[n].height}return 0}function h(t,e,r){if(!t.kernings||0===t.kernings.length)return 0;for(var n=t.kernings,i=0;i<n.length;i++){var o=n[i];if(o.first===e&&o.second===r)return o.amount}return 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1 | !function(t){function e(n){if(r[n])return r[n].exports;var i=r[n]={exports:{},id:n,loaded:!1};return t[n].call(i.exports,i,i.exports,e),i.loaded=!0,i.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){function n(t,e){o(t.font,function(r,n){if(r)throw r;var i=new THREE.TextureLoader;i.load(t.image,function(t){e(n,t)})})}if("undefined"==typeof AFRAME)throw new Error("Component attempted to register before AFRAME was available.");var i=r(29),o=r(20),a=r(6);AFRAME.registerComponent("bmfont-text",{schema:{text:{type:"string"},width:{type:"number","default":1e3},align:{type:"string","default":"left"},letterSpacing:{type:"number","default":0},fnt:{type:"string","default":"../fonts/DejaVu-sdf.fnt"},fntImage:{type:"string","default":"../fonts/DejaVu-sdf.png"},mode:{type:"string","default":"normal"},color:{type:"color","default":"#000"}},update:function(t){function e(t,e){e.needsUpdate=!0,e.anisotropy=16;var r={font:t,text:u.text,width:u.width,align:u.left,letterSpacing:u.letterSpacing,mode:u.mode},n=i(r),s=new THREE.RawShaderMaterial(a({map:e,side:THREE.DoubleSide,transparent:!0,color:u.color})),f=new THREE.Mesh(n,s);f.rotation.y=Math.PI,f.scale.multiplyScalar(-.005),o.add(f)}var r=this.el,o=r.object3D,u=this.data;n({font:u.fnt,image:u.fntImage},e)}})},function(t,e,r){(function(t,n){/*!
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6 | 	 */
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The "position" attribute is likely to have NaN values.')))},n.prototype.computeBoundingBox=function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var t=this.boundingBox,e=this.attributes.position.array,r=this.attributes.position.itemSize;return!e||!r||e.length<2?void t.makeEmpty():void h.computeBox(e,t)}},function(t,e){function r(t){var e=t.length/n;i.min[0]=t[0],i.min[1]=t[1],i.max[0]=t[0],i.max[1]=t[1];for(var r=0;r<e;r++){var o=t[r*n+0],a=t[r*n+1];i.min[0]=Math.min(o,i.min[0]),i.min[1]=Math.min(a,i.min[1]),i.max[0]=Math.max(o,i.max[0]),i.max[1]=Math.max(a,i.max[1])}}var n=2,i={min:[0,0],max:[0,0]};t.exports.computeBox=function(t,e){r(t),e.min.set(i.min[0],i.min[1],0),e.max.set(i.max[0],i.max[1],0)},t.exports.computeSphere=function(t,e){r(t);var n=i.min[0],o=i.min[1],a=i.max[0],u=i.max[1],s=a-n,f=u-o,h=Math.sqrt(s*s+f*f);e.center.set(n+s/2,o+f/2,0),e.radius=h/2}},function(t,e){t.exports.pages=function r(t){var r=new Float32Array(4*t.length*1),e=0;return t.forEach(function(t){var n=t.data.page||0;r[e++]=n,r[e++]=n,r[e++]=n,r[e++]=n}),r},t.exports.uvs=function n(t,e,r,i){var n=new Float32Array(4*t.length*2),o=0;return t.forEach(function(t){var a=t.data,u=a.x+a.width,s=a.y+a.height,f=a.x/e,h=a.y/r,c=u/e,p=s/r;i&&(h=(r-a.y)/r,p=(r-s)/r),n[o++]=f,n[o++]=h,n[o++]=f,n[o++]=p,n[o++]=c,n[o++]=p,n[o++]=c,n[o++]=h}),n},t.exports.positions=function i(t){var i=new Float32Array(4*t.length*2),e=0;return t.forEach(function(t){var r=t.data,n=t.position[0]+r.xoffset,o=t.position[1]+r.yoffset,a=r.width,u=r.height;i[e++]=n,i[e++]=o,i[e++]=n,i[e++]=o+u,i[e++]=n+a,i[e++]=o+u,i[e++]=n+a,i[e++]=o}),i}},function(t,e,r){function n(t,e,r,n){"number"!=typeof r&&(r=1),"number"!=typeof n&&(n="uint16");var i=!t.index&&"function"!=typeof t.setIndex,a=i?t.getAttribute("index"):t.index,u=o(a,e,r,n);u&&(i?t.addAttribute("index",u):t.index=u)}function i(t,e,r,n,i){if("number"!=typeof n&&(n=3),"number"!=typeof i&&(i="float32"),Array.isArray(r)&&Array.isArray(r[0])&&r[0].length!==n)throw new Error("Nested vertex array has unexpected size; 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/docs/basic/index.html:
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 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Basic</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0.5 1.8 1.5">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="0 0 -2"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="0 2 0"
20 |                 bmfont-text="color: white; text: Hello World;">
21 |       </a-entity>
22 | 
23 |       <a-sky color="black"></a-sky>
24 |     </a-scene>
25 |   </body>
26 | </html>
27 | 


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/docs/colors/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Different sizes</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0 1.6 4">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="-2 0 0"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="0 1.5 2"
20 |                 bmfont-text="text: Hello World;
21 |                             color: #F44336;">
22 |       </a-entity>
23 | 
24 |       <a-entity position="0 2 2"
25 |                 bmfont-text="text: Hello World;
26 |                             color:  rgb(33, 150, 243);">
27 |       </a-entity>
28 | 
29 |       <a-entity position="0 2.5 2"
30 |                 bmfont-text="text: Hello World;
31 |                             color: green;">
32 |       </a-entity>
33 | 
34 |       <a-entity position="0 3 2"
35 |                 bmfont-text="text: Hello World;
36 |                              color: white">
37 |       </a-entity>
38 | 
39 |       <a-sky color="black"></a-sky>
40 |     </a-scene>
41 |   </body>
42 | </html>
43 | 


--------------------------------------------------------------------------------
/docs/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component</title>
 4 |     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.1.1/gh-fork-ribbon.min.css"/>
 5 |     <style>
 6 |       html {
 7 |         background: #EF2D5E;
 8 |         color: #FAFAFA;
 9 |         font-family: monospace;
10 |         font-size: 20px;
11 |         padding: 10px 20px;
12 |       }
13 |       h1 {
14 |         font-weight: 300;
15 |       }
16 |       a {
17 |         color: #FAFAFA;
18 |         display: block;
19 |         padding: 15px 0;
20 |       }
21 |     </style>
22 |   </head>
23 |   <body>
24 |     <h1>A-Frame BMFont Text Component</h1>
25 |     <h3>Examples</h3>
26 |     <a href="basic/index.html">Basic</a>
27 |     <a href="pre-mode/index.html">'pre' mode</a>
28 |     <a href="colors/index.html">Colors</a>
29 |     <h3>Tests</h3>
30 |     <a href="sizes/index.html">Different sizes</a>
31 |     <a href="text-align/index.html">Align</a>
32 |     <a href="width-wrap/index.html">Text wrapping (by specifying width)</a>
33 |     <a href="line-break/index.html">Line breaks</a>
34 |     <a href="line-height/index.html">Line height</a>
35 |     <a href="opacity/index.html">Opacity transition</a>
36 |     <a href="primitive/index.html">Text primitive</a>
37 | 
38 |     <div class="github-fork-ribbon-wrapper right">
39 |       <div class="github-fork-ribbon" style="background: #3482AA">
40 |         <a href="https://github.com/bryik/aframe-bmfont-text-component">Fork me on GitHub</a>
41 |       </div>
42 |     </div>
43 |   </body>
44 | </html>
45 | 


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/docs/line-break/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Line breaks</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0.5 1.8 1.5">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="2 0 -2"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="-2 1.5 -0.5"
20 |                 bmfont-text="color: white;
21 |                              text:
22 | To see a World in a Grain of Sand
23 | 
24 | And a Heaven in a Wild Flower
25 | 
26 | Hold Infinity in the palm of your hand
27 | 
28 | And Eternity in an hour.
29 | 
30 |                       - William Blake">
31 |       </a-entity>
32 | 
33 |       <a-sky color="black"></a-sky>
34 |     </a-scene>
35 |   </body>
36 | </html>
37 | 


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/docs/line-height/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Different sizes</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0 1.6 4">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="0 0 0"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="0 2 0"
20 |                 bmfont-text="text: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam commodo nunc vestibulum mollis convallis.;
21 |                             color: white; width: 500; lineHeight: 55; ">
22 | 
23 |       <a-entity position="0 2 0"
24 |                 bmfont-text="text: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam commodo nunc vestibulum mollis convallis.;
25 |                             color: white; width: 500;">
26 |       </a-entity>
27 | 
28 |       <a-sky color="black"></a-sky>
29 |     </a-scene>
30 |   </body>
31 | </html>
32 | 


--------------------------------------------------------------------------------
/docs/main.js:
--------------------------------------------------------------------------------
1 | require('aframe');
2 | require('../index.js');
3 | 


--------------------------------------------------------------------------------
/docs/opacity/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Opacity</title>
 4 |     <script src="../build.js"></script>
 5 |     <script src="https://d3js.org/d3.v4.min.js"></script>
 6 |   </head>
 7 |   <body>
 8 |     <a-scene>
 9 |       <a-assets></a-assets>
10 | 
11 |       <a-entity position="0.5 1.8 1.5">
12 |         <a-entity camera look-controls wasd-controls></a-entity>
13 |       </a-entity>
14 | 
15 |       <a-entity position="0 0 -2"
16 |                 geometry="primitive: box"
17 |                 material="color: #C03546">
18 |       </a-entity>
19 | 
20 |       <a-entity id='text'
21 |                 position="0 2 0"
22 |                 bmfont-text="opacity: 1; color: white; text: Hello World;">
23 |       </a-entity>
24 | 
25 |       <a-sky color="black"></a-sky>
26 |     </a-scene>
27 |     <script type="text/javascript">
28 |       // Infinite loop opacity transition
29 |       var text = d3.select('#text');
30 |       fadeOut();
31 | 
32 |       function fadeOut () {
33 |         text.transition()
34 |             .duration(2000)
35 |             .delay(1000)  // Slight delay before fading out
36 |             .attrTween('bmfont-text', function() {
37 |               var start = 'opacity: 1; color: white; text: Hello World;';
38 |               var end = 'opacity: 0; color: white; text: Hello World;';
39 |               return d3.interpolate(start, end);
40 |             })
41 |             .on('end', fadeIn);
42 |       }
43 | 
44 |       function fadeIn () {
45 |         text.transition()
46 |             .duration(2000)
47 |             .attrTween('bmfont-text', function() {
48 |               var start = 'opacity: 0; color: white; text: Hello World;';
49 |               var end = 'opacity: 1; color: white; text: Hello World;';
50 |               return d3.interpolate(start, end);
51 |             })
52 |             .on('end', fadeOut);
53 |       }
54 |     </script>
55 |   </body>
56 | </html>
57 | 


--------------------------------------------------------------------------------
/docs/pre-mode/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - 'pre' mode</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0.5 1.8 1.5">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="2 0 -2"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="-2 1.5 -0.5"
20 |                 bmfont-text="color: white;
21 |                              mode: pre;
22 |                              text:
23 | To see a World in a Grain of Sand
24 | 
25 | And a Heaven in a Wild Flower
26 | 
27 | Hold Infinity in the palm of your hand
28 | 
29 | And Eternity in an hour.
30 | 
31 |                       - William Blake">
32 |       </a-entity>
33 | 
34 |       <a-sky color="black"></a-sky>
35 |     </a-scene>
36 |   </body>
37 | </html>
38 | 


--------------------------------------------------------------------------------
/docs/primitive/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Primitive</title>
 4 |     <script src="../build.js"></script>
 5 |     <script src="https://d3js.org/d3.v4.min.js"></script>
 6 |   </head>
 7 |   <body>
 8 |     <a-scene>
 9 |       <a-assets></a-assets>
10 | 
11 |       <a-entity position="0.5 1.8 1.5">
12 |         <a-entity camera look-controls wasd-controls></a-entity>
13 |       </a-entity>
14 | 
15 |       <a-entity position="0 0 -2"
16 |                 geometry="primitive: box"
17 |                 material="color: #C03546">
18 |       </a-entity>
19 | 
20 |       <a-text text="Hello World" position="-1 2.5 -1" color='white'></a-text>
21 |       <a-text text="<a-text text='Hello World'></a-text>" position="-2 2 -1" color='red'></a-text>
22 |       <a-text id='transparentText' text="Attributes: color, opacity" position="-2 1.5 -1" opacity="1" color='white'></a-text>
23 | 
24 |       <a-sky color="black"></a-sky>
25 |     </a-scene>
26 |     <script type="text/javascript">
27 |       // Infinite loop opacity transition
28 |       var text = d3.select('#transparentText');
29 |       fadeOut();
30 | 
31 |       function fadeOut () {
32 |         text.transition()
33 |             .duration(5000)
34 |             .delay(1000)  // Slight delay before fading out
35 |             .attrTween('opacity', function() {
36 |               var start = "1";
37 |               var end = "0";
38 |               return d3.interpolate(start, end);
39 |             })
40 |             .on('end', fadeIn);
41 |       }
42 | 
43 |       function fadeIn () {
44 |         text.transition()
45 |             .duration(5000)
46 |             .attrTween('opacity', function() {
47 |               var start = "0";
48 |               var end = "1";
49 |               return d3.interpolate(start, end);
50 |             })
51 |             .on('end', fadeOut);
52 |       }
53 |     </script>
54 |   </body>
55 | </html>
56 | 


--------------------------------------------------------------------------------
/docs/sizes/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Different sizes</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0 1.6 4">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="0 0 0"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="0 2 2"
20 |                 scale="2 2 2"
21 |                 bmfont-text="text: Hello World;
22 |                             color: white;">
23 |       </a-entity>
24 | 
25 |       <a-entity position="0 2.5 2"
26 |                 scale="0.5 0.5 0.5"
27 |                 bmfont-text="text: Hello World;
28 |                             color: white;">
29 |       </a-entity>
30 | 
31 |       <a-sky color="black"></a-sky>
32 |     </a-scene>
33 |   </body>
34 | </html>
35 | 


--------------------------------------------------------------------------------
/docs/text-align/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Line breaks</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0.5 1.8 1.5">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="2 0 -2"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="-2 1.5 -0.5"
20 |                 bmfont-text="color: white; align: right;
21 |                              text:
22 | To see a World in a Grain of Sand
23 | 
24 | And a Heaven in a Wild Flower
25 | 
26 | Hold Infinity in the palm of your hand
27 | 
28 | And Eternity in an hour.
29 | 
30 |                       - William Blake">
31 |       </a-entity>
32 | 
33 |       <a-sky color="black"></a-sky>
34 |     </a-scene>
35 |   </body>
36 | </html>
37 | 


--------------------------------------------------------------------------------
/docs/width-wrap/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>A-Frame BMFont Text Component - Width wrap</title>
 4 |     <script src="../build.js"></script>
 5 |   </head>
 6 |   <body>
 7 |     <a-scene>
 8 |       <a-assets></a-assets>
 9 | 
10 |       <a-entity position="0.5 1.8 1.5">
11 |         <a-entity camera look-controls wasd-controls></a-entity>
12 |       </a-entity>
13 | 
14 |       <a-entity position="0 0 -2"
15 |                 geometry="primitive: box"
16 |                 material="color: #C03546">
17 |       </a-entity>
18 | 
19 |       <a-entity position="0 2 0"
20 |                 bmfont-text="text: Hello World;
21 |                              color: white;
22 |                              width: 200">
23 |       </a-entity>
24 | 
25 |       <a-sky color="black"></a-sky>
26 |     </a-scene>
27 |   </body>
28 | </html>
29 | 


--------------------------------------------------------------------------------
/extras/text-primitive.js:
--------------------------------------------------------------------------------
 1 | /* global AFRAME */
 2 | 
 3 | /* Experimental text primitive.
 4 |  * Issues: color not changing, removeAttribute() not working, mixing primitive with regular entities fails
 5 |  * Color issue relates to: https://github.com/donmccurdy/aframe-extras/blob/master/src/primitives/a-ocean.js#L44
 6 |  */
 7 | 
 8 | var extendDeep = AFRAME.utils.extendDeep;
 9 | var meshMixin = AFRAME.primitives.getMeshMixin();
10 | 
11 | AFRAME.registerPrimitive('a-text', extendDeep({}, meshMixin, {
12 |   defaultComponents: {
13 |     'bmfont-text': {}
14 |   },
15 |   mappings: {
16 |     text: 'bmfont-text.text',
17 |     width: 'bmfont-text.width',
18 |     align: 'bmfont-text.align',
19 |     letterSpacing: 'bmfont-text.letterSpacing',
20 |     lineHeight: 'bmfont-text.lineHeight',
21 |     fnt: 'bmfont-text.fnt',
22 |     fntImage: 'bmfont-text.fntImage',
23 |     mode: 'bmfont-text.mode',
24 |     color: 'bmfont-text.color',
25 |     opacity: 'bmfont-text.opacity'
26 |   }
27 | }));
28 | 


--------------------------------------------------------------------------------
/index.js:
--------------------------------------------------------------------------------
  1 | /* global AFRAME, THREE */
  2 | if (typeof AFRAME === 'undefined') {
  3 |   throw new Error('Component attempted to register before AFRAME was available.');
  4 | }
  5 | 
  6 | var createText = require('three-bmfont-text');
  7 | var loadFont = require('load-bmfont');
  8 | var SDFShader = require('./lib/shaders/sdf');
  9 | 
 10 | require('./extras/text-primitive.js'); // Register experimental text primitive
 11 | 
 12 | /**
 13 |  * bmfont text component for A-Frame.
 14 |  */
 15 | AFRAME.registerComponent('bmfont-text', {
 16 |   schema: {
 17 |     text: {
 18 |       type: 'string'
 19 |     },
 20 |     width: {
 21 |       type: 'number',
 22 |       default: 1000
 23 |     },
 24 |     align: {
 25 |       type: 'string',
 26 |       default: 'left'
 27 |     },
 28 |     letterSpacing: {
 29 |       type: 'number',
 30 |       default: 0
 31 |     },
 32 |     lineHeight: {
 33 |       type: 'number',
 34 |       default: 38
 35 |     },
 36 |     fnt: {
 37 |       type: 'string',
 38 |       default: 'https://cdn.jsdelivr.net/gh/bryik/aframe-bmfont-text-component@aa0655cf90f646e12c40ab4708ea90b4686cfb45/assets/DejaVu-sdf.fnt'
 39 |     },
 40 |     fntImage: {
 41 |       type: 'string',
 42 |       default: 'https://cdn.jsdelivr.net/gh/bryik/aframe-bmfont-text-component@aa0655cf90f646e12c40ab4708ea90b4686cfb45/assets/DejaVu-sdf.png'
 43 |     },
 44 |     mode: {
 45 |       type: 'string',
 46 |       default: 'normal'
 47 |     },
 48 |     color: {
 49 |       type: 'color',
 50 |       default: '#000'
 51 |     },
 52 |     opacity: {
 53 |       type: 'number',
 54 |       default: '1.0'
 55 |     }
 56 |   },
 57 | 
 58 |   /**
 59 |    * Called when component is attached and when component data changes.
 60 |    * Generally modifies the entity based on the data.
 61 |    */
 62 |   update: function (oldData) {
 63 |     // Entity data
 64 |     var el = this.el;
 65 |     var data = this.data;
 66 | 
 67 |     // Use fontLoader utility to load 'fnt' and texture
 68 |     fontLoader({
 69 |       font: data.fnt,
 70 |       image: data.fntImage
 71 |     }, start);
 72 | 
 73 |     function start (font, texture) {
 74 |       // Setup texture, should set anisotropy to user maximum...
 75 |       texture.needsUpdate = true;
 76 |       texture.anisotropy = 16;
 77 | 
 78 |       var options = {
 79 |         font: font, // the bitmap font definition
 80 |         text: data.text, // the string to render
 81 |         width: data.width,
 82 |         align: data.align,
 83 |         letterSpacing: data.letterSpacing,
 84 |         lineHeight: data.lineHeight,
 85 |         mode: data.mode
 86 |       };
 87 | 
 88 |       // Create text geometry
 89 |       var geometry = createText(options);
 90 | 
 91 |       // Use './lib/shaders/sdf' to help build a shader material
 92 |       var material = new THREE.RawShaderMaterial(SDFShader({
 93 |         map: texture,
 94 |         side: THREE.DoubleSide,
 95 |         transparent: true,
 96 |         color: data.color,
 97 |         opacity: data.opacity
 98 |       }));
 99 | 
100 |       var text = new THREE.Mesh(geometry, material);
101 | 
102 |       // Rotate so text faces the camera
103 |       text.rotation.y = Math.PI;
104 | 
105 |       // Scale text down
106 |       text.scale.multiplyScalar(-0.005);
107 | 
108 |       // Register text mesh under entity's object3DMap
109 |       el.setObject3D('bmfont-text', text);
110 |     }
111 |   },
112 | 
113 |   /**
114 |    * Called when a component is removed (e.g., via removeAttribute).
115 |    * Generally undoes all modifications to the entity.
116 |    */
117 |   remove: function () {
118 |     this.el.removeObject3D('bmfont-text');
119 |   }
120 | });
121 | 
122 | /**
123 |  * A utility to load a font with bmfont-load
124 |  * and a texture with Three.TextureLoader()
125 |  */
126 | function fontLoader (opt, cb) {
127 |   loadFont(opt.font, function (err, font) {
128 |     if (err) {
129 |       throw err;
130 |     }
131 | 
132 |     var textureLoader = new THREE.TextureLoader();
133 |     textureLoader.load(opt.image, function (texture) {
134 |       cb(font, texture);
135 |     });
136 |   });
137 | }
138 | 


--------------------------------------------------------------------------------
/lib/shaders/basic.js:
--------------------------------------------------------------------------------
 1 | var assign = require('object-assign')
 2 | 
 3 | module.exports = function createBasicShader (opt) {
 4 |   opt = opt || {}
 5 |   var opacity = typeof opt.opacity === 'number' ? opt.opacity : 1
 6 |   var alphaTest = typeof opt.alphaTest === 'number' ? opt.alphaTest : 0.0001
 7 |   var precision = opt.precision || 'highp'
 8 |   var color = opt.color
 9 |   var map = opt.map
10 | 
11 |   // remove to satisfy r73
12 |   delete opt.map
13 |   delete opt.color
14 |   delete opt.precision
15 |   delete opt.opacity
16 | 
17 |   return assign({
18 |     uniforms: {
19 |       opacity: { type: 'f', value: opacity },
20 |       map: { type: 't', value: map || new THREE.Texture() },
21 |       color: { type: 'c', value: new THREE.Color(color) }
22 |     },
23 |     vertexShader: [
24 |       'attribute vec2 uv;',
25 |       'attribute vec4 position;',
26 |       'uniform mat4 projectionMatrix;',
27 |       'uniform mat4 modelViewMatrix;',
28 |       'varying vec2 vUv;',
29 |       'void main() {',
30 |       'vUv = uv;',
31 |       'gl_Position = projectionMatrix * modelViewMatrix * position;',
32 |       '}'
33 |     ].join('\n'),
34 |     fragmentShader: [
35 |       'precision ' + precision + ' float;',
36 |       'uniform float opacity;',
37 |       'uniform vec3 color;',
38 |       'uniform sampler2D map;',
39 |       'varying vec2 vUv;',
40 | 
41 |       'void main() {',
42 |       '  gl_FragColor = texture2D(map, vUv) * vec4(color, opacity);',
43 |       alphaTest === 0
44 |         ? ''
45 |         : '  if (gl_FragColor.a < ' + alphaTest + ') discard;',
46 |       '}'
47 |     ].join('\n')
48 |   }, opt)
49 | }
50 | 


--------------------------------------------------------------------------------
/lib/shaders/multipage.js:
--------------------------------------------------------------------------------
 1 | var assign = require('object-assign')
 2 | 
 3 | module.exports = function createMultipageShader (opt) {
 4 |   opt = opt || {}
 5 |   var opacity = typeof opt.opacity === 'number' ? opt.opacity : 1
 6 |   var precision = opt.precision || 'highp'
 7 |   var alphaTest = typeof opt.alphaTest === 'number' ? opt.alphaTest : 0.0001
 8 | 
 9 |   var textures = opt.textures || []
10 |   textures = Array.isArray(textures) ? textures : [ textures ]
11 | 
12 |   var baseUniforms = {}
13 |   textures.forEach(function (tex, i) {
14 |     baseUniforms['texture' + i] = {
15 |       type: 't',
16 |       value: tex
17 |     }
18 |   })
19 | 
20 |   var samplers = textures.map(function (tex, i) {
21 |     return 'uniform sampler2D texture' + i + ';'
22 |   }).join('\n')
23 | 
24 |   var body = textures.map(function (tex, i) {
25 |     var cond = i === 0 ? 'if' : 'else if'
26 |     return [
27 |       cond + ' (vPage == ' + i + '.0) {',
28 |       'sampleColor = texture2D(texture' + i + ', vUv);',
29 |       '}'
30 |     ].join('\n')
31 |   }).join('\n')
32 | 
33 |   var color = opt.color
34 | 
35 |   // remove to satisfy r73
36 |   delete opt.textures
37 |   delete opt.color
38 |   delete opt.precision
39 |   delete opt.opacity
40 | 
41 |   var attributes = {
42 |     attributes: { page: { type: 'f', value: 0 } }
43 |   }
44 | 
45 |   var threeVers = (parseInt(THREE.REVISION, 10) || 0) | 0
46 |   if (threeVers >= 72) {
47 |     attributes = undefined
48 |   }
49 | 
50 |   return assign({
51 |     uniforms: assign({}, baseUniforms, {
52 |       opacity: { type: 'f', value: opacity },
53 |       color: { type: 'c', value: new THREE.Color(color) }
54 |     }),
55 |     vertexShader: [
56 |       'attribute vec4 position;',
57 |       'attribute vec2 uv;',
58 |       'attribute float page;',
59 |       'uniform mat4 projectionMatrix;',
60 |       'uniform mat4 modelViewMatrix;',
61 |       'varying vec2 vUv;',
62 |       'varying float vPage;',
63 |       'void main() {',
64 |       'vUv = uv;',
65 |       'vPage = page;',
66 |       'gl_Position = projectionMatrix * modelViewMatrix * position;',
67 |       '}'
68 |     ].join('\n'),
69 |     fragmentShader: [
70 |       'precision ' + precision + ' float;',
71 |       'uniform float opacity;',
72 |       'uniform vec3 color;',
73 |       samplers,
74 |       'varying float vPage;',
75 |       'varying vec2 vUv;',
76 |       'void main() {',
77 |       'vec4 sampleColor = vec4(0.0);',
78 |       body,
79 |       'gl_FragColor = sampleColor * vec4(color, opacity);',
80 |       alphaTest === 0
81 |         ? ''
82 |         : '  if (gl_FragColor.a < ' + alphaTest + ') discard;',
83 |       '}'
84 |     ].join('\n')
85 |   }, attributes, opt)
86 | }
87 | 


--------------------------------------------------------------------------------
/lib/shaders/sdf.js:
--------------------------------------------------------------------------------
 1 | var assign = require('object-assign')
 2 | 
 3 | module.exports = function createSDFShader (opt) {
 4 |   opt = opt || {}
 5 |   var opacity = typeof opt.opacity === 'number' ? opt.opacity : 1
 6 |   var alphaTest = typeof opt.alphaTest === 'number' ? opt.alphaTest : 0.0001
 7 |   var precision = opt.precision || 'highp'
 8 |   var color = opt.color
 9 |   var map = opt.map
10 | 
11 |   // remove to satisfy r73
12 |   delete opt.map
13 |   delete opt.color
14 |   delete opt.precision
15 |   delete opt.opacity
16 | 
17 |   return assign({
18 |     uniforms: {
19 |       opacity: { type: 'f', value: opacity },
20 |       map: { type: 't', value: map || new THREE.Texture() },
21 |       color: { type: 'c', value: new THREE.Color(color) }
22 |     },
23 |     vertexShader: [
24 |       'attribute vec2 uv;',
25 |       'attribute vec4 position;',
26 |       'uniform mat4 projectionMatrix;',
27 |       'uniform mat4 modelViewMatrix;',
28 |       'varying vec2 vUv;',
29 |       'void main() {',
30 |       'vUv = uv;',
31 |       'gl_Position = projectionMatrix * modelViewMatrix * position;',
32 |       '}'
33 |     ].join('\n'),
34 |     fragmentShader: [
35 |       '#ifdef GL_OES_standard_derivatives',
36 |       '#extension GL_OES_standard_derivatives : enable',
37 |       '#endif',
38 |       'precision ' + precision + ' float;',
39 |       'uniform float opacity;',
40 |       'uniform vec3 color;',
41 |       'uniform sampler2D map;',
42 |       'varying vec2 vUv;',
43 | 
44 |       'float aastep(float value) {',
45 |       '  #ifdef GL_OES_standard_derivatives',
46 |       '    float afwidth = length(vec2(dFdx(value), dFdy(value))) * 0.70710678118654757;',
47 |       '  #else',
48 |       '    float afwidth = (1.0 / 32.0) * (1.4142135623730951 / (2.0 * gl_FragCoord.w));',
49 |       '  #endif',
50 |       '  return smoothstep(0.5 - afwidth, 0.5 + afwidth, value);',
51 |       '}',
52 | 
53 |       'void main() {',
54 |       '  vec4 texColor = texture2D(map, vUv);',
55 |       '  float alpha = aastep(texColor.a);',
56 |       '  gl_FragColor = vec4(color, opacity * alpha);',
57 |       alphaTest === 0
58 |         ? ''
59 |         : '  if (gl_FragColor.a < ' + alphaTest + ') discard;',
60 |       '}'
61 |     ].join('\n')
62 |   }, opt)
63 | }
64 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "aframe-bmfont-text-component",
 3 |   "version": "0.1.4",
 4 |   "description": "BMFont Text component for A-Frame.",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "build": "browserify docs/main.js -o docs/build.js",
 8 |     "dev": "budo docs/main.js:build.js --dir docs --port 8000 --live --open",
 9 |     "dist": "webpack index.js dist/aframe-bmfont-text-component.js && webpack -p index.js dist/aframe-bmfont-text-component.min.js",
10 |     "postpublish": "npm run dist",
11 |     "start": "npm run dev"
12 |   },
13 |   "repository": {
14 |     "type": "git",
15 |     "url": "git+https://github.com/bryik/aframe-bmfont-text-component.git"
16 |   },
17 |   "keywords": [
18 |     "aframe",
19 |     "aframe-component",
20 |     "aframe-vr",
21 |     "vr",
22 |     "mozvr",
23 |     "webvr"
24 |   ],
25 |   "author": "Ben Pyrik <ben@wsundine.com>",
26 |   "license": "MIT",
27 |   "bugs": {
28 |     "url": "https://github.com/bryik/aframe-bmfont-text-component/issues"
29 |   },
30 |   "homepage": "https://github.com/bryik/aframe-bmfont-text-component#readme",
31 |   "devDependencies": {
32 |     "aframe": "^0.3.1",
33 |     "browserify": "^13.1.0",
34 |     "browserify-css": "^0.9.1",
35 |     "budo": "^9.0.0",
36 |     "eslint": "^3.3.1",
37 |     "eslint-config-semistandard": "^6.0.2",
38 |     "eslint-config-standard": "^5.3.1",
39 |     "eslint-plugin-promise": "^1.3.2",
40 |     "eslint-plugin-react": "^5.2.2",
41 |     "eslint-plugin-standard": "^1.3.2",
42 |     "inquirer": "^1.1.2",
43 |     "shelljs": "^0.7.3",
44 |     "webpack": "^1.13.2"
45 |   },
46 |   "dependencies": {
47 |     "load-bmfont": "^1.2.3",
48 |     "object-assign": "^4.1.0",
49 |     "three-bmfont-text": "^2.1.0"
50 |   }
51 | }
52 | 


--------------------------------------------------------------------------------