├── Sounds ├── gasterfire.wav └── gasterintro.wav ├── Sprites └── blaster │ ├── beam.png │ ├── spr_gasterblaster_0.png │ ├── spr_gasterblaster_1.png │ ├── spr_gasterblaster_2.png │ ├── spr_gasterblaster_3.png │ ├── spr_gasterblaster_4.png │ └── spr_gasterblaster_5.png ├── README.md ├── gaster_blasters.lua └── LICENSE /Sounds/gasterfire.wav: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sounds/gasterfire.wav -------------------------------------------------------------------------------- /Sounds/gasterintro.wav: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sounds/gasterintro.wav -------------------------------------------------------------------------------- /Sprites/blaster/beam.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/beam.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_0.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_0.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_1.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_2.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_3.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_3.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_4.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_4.png -------------------------------------------------------------------------------- /Sprites/blaster/spr_gasterblaster_5.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AllyTally/gaster-blasters/HEAD/Sprites/blaster/spr_gasterblaster_5.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # gaster-blasters 2 | please, not another sans fight... 3 | 4 | ## "THE LIBRARY DOESN'T WORK" 5 | 6 | yes, it does. there's a lot of people who use it. you're just using it wrong. stop blaming my library and just ask for help on the unitale server, thanks. 7 | 8 | ## HI IF YOU USE THIS PLEASE CREDIT ME FOR SOME REASON PEOPLE DONT 9 | 10 | !! if you encounter any issues WITH THE LIBRARY ITSELF, my discord is `Ally 🌠#1540`. i will not be giving help to people that aren't using the library correctly !! 11 | 12 | heres a video of it in action. https://ringo.is-a-good-waifu.com/7N1pvcA.mp4 13 | 14 | 15 | ✨✨✨ HOW TO USE ✨✨✨ 16 | 17 | throw `blasters = require ("Libraries/gaster_blasters")` at the bottom of your wave script 18 | 19 | throw `blasters.Update()` somewhere in your update function, you should probably put that at the bottom 20 | 21 | to create a gaster blaster, use blasters.New 22 | 23 | `blasters.New(start_x,start_y,goto_x,goto_y,rotation[,startrotation[,sound[,fire_sound[,sprite_prefix[,beam_sprite]]]]]) returns GasterBlaster` 24 | 25 | !! anything in square brackets are optional and have default arguments !! 26 | 27 | start_x and start_y are where the gaster blaster spawns, this is normally off screen 28 | 29 | goto_x and goto_y are where the gaster blaster moves to, this is normally on screen 30 | 31 | rotation is where the gaster blaster turns to face 32 | 33 | startrotation is what the gaster blaster starts out as, this is 0 by default as thats what undertale does im pretty sure 34 | 35 | sound is "gasterintro" by default, if you set it to false then the blaster is silent 36 | 37 | same with fire_sound except it's "gasterfire" by default 38 | 39 | sprite_prefix is "blaster/spr_gasterblaster_" by default 40 | 41 | beam_sprite is "blaster/beam" by default 42 | 43 | ✨✨✨ variables and functions ✨✨✨ 44 | 45 | `GasterBlaster.Scale(width,height)` rescales the gaster blaster, if you set width to 0.5 and height to 1 its just like the small ones in undertale 46 | 47 | these get cleaned up when the wave ends but if you want to instantly destroy one call `GasterBlaster.Destroy()` 48 | 49 | `GasterBlaster.x` is its x position, note that itll try and move to x2 50 | 51 | `GasterBlaster.y` is its y position, note that itll try and move to y2 52 | 53 | `GasterBlaster.x2` is where the blaster is trying to move to 54 | 55 | `GasterBlaster.y2` is where the blaster is trying to move to 56 | 57 | `GasterBlaster.shootdelay` is how long until the blaster shoots its beam, 40 by default 58 | 59 | `GasterBlaster.speed` is how fast it moves/turns, default 40 60 | 61 | `GasterBlaster.angle` is its angle, you can modify this and nothing bad should happen probably 62 | 63 | `GasterBlaster.holdfire` is how long it stays in place before moving away after firing, 0 by default 64 | 65 | `GasterBlaster.beam` is the beam projectile, you shouldn't overwrite this 66 | 67 | ✨✨✨ the single event that this library has ✨✨✨ 68 | 69 | `GasterBlaster.OnBeam(bullet)` gets called when the blaster shoots its beam. `bullet` is the beam (its a projectile btw) 70 | 71 | a good example of this being used is [colored blasters](https://o.lol-sa.me/2CUA1G7.mp4) 72 | 73 | ```lua 74 | local my_super_cool_blue_blaster = blasters.New(320, 480, 320, 300, 0, 0) 75 | my_super_cool_blue_blaster.sprite.color32 = {0,162,232} 76 | function my_super_cool_blue_blaster.OnBeam(bullet) 77 | bullet["color"] = "blue" 78 | bullet.sprite.color32 = {0,162,232} 79 | end 80 | function OnHit(bullet) 81 | if bullet["color"] == "blue" and Player.ismoving then 82 | Player.Hurt(1,0) 83 | end 84 | end 85 | ``` 86 | in this wave (which is missing a few things but you get the point) creates a blue gaster blaster. 87 | -------------------------------------------------------------------------------- /gaster_blasters.lua: -------------------------------------------------------------------------------- 1 | --[[ 2 | gaster_blasters.lua, a gaster blaster library for Create Your Frisk 3 | https://github.com/AllyTally/gaster-blasters/ 4 | Copyright (C) 2019-2020 Alexia Tilde 5 | This program is free software: you can redistribute it and/or modify 6 | it under the terms of the GNU General Public License as published by 7 | the Free Software Foundation, either version 3 of the License, or 8 | (at your option) any later version. 9 | This program is distributed in the hope that it will be useful, 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | GNU General Public License for more details. 13 | You should have received a copy of the GNU General Public License 14 | along with this program. If not, see . 15 | ]]-- 16 | 17 | return (function() 18 | local self = {} 19 | 20 | self.blasters = {} 21 | 22 | function self.lerp(a, b, t) 23 | return a + (b - a) * t 24 | end 25 | 26 | function self.New(x,y,x2,y2,angle,startangle,sound,fire_sound,sprite_prefix,beam_sprite) 27 | local _blaster = {} 28 | _blaster.sprite_prefix = sprite_prefix 29 | if (sprite_prefix == nil) then _blaster.sprite_prefix = "blaster/spr_gasterblaster_" end 30 | _blaster.beam_sprite = beam_sprite 31 | if (beam_sprite == nil) then _blaster.beam_sprite = "blaster/beam" end 32 | _blaster.sprite = CreateSprite(_blaster.sprite_prefix .. "0","Top") 33 | _blaster.sprite.Scale(2,2) 34 | _blaster.sprite.MoveTo(x,y) 35 | _blaster.sprite.rotation = 0 36 | _blaster.updatetimer = 0 37 | _blaster.x = x 38 | _blaster.y = y 39 | _blaster.x2 = x2 40 | _blaster.y2 = y2 41 | _blaster.xscale = 1 42 | _blaster.yscale = 1 43 | _blaster.shootdelay = 40 44 | _blaster.speed = 40 45 | _blaster.angle = angle % 360 46 | _blaster.dorotation = 0 47 | _blaster.builderspd = 0 48 | _blaster.holdfire = 0 49 | _blaster.sound = sound 50 | _blaster.fire_sound = fire_sound 51 | if (sound == nil) then _blaster.sound = "gasterintro" end 52 | if (fire_sound == nil) then _blaster.fire_sound = "gasterfire" end 53 | if startangle then 54 | _blaster.dorotation = startangle 55 | _blaster.sprite.rotation = startangle 56 | end 57 | if _blaster.sound then Audio.PlaySound(_blaster.sound) end 58 | 59 | if _blaster.angle >= 180 then 60 | _blaster.angle = _blaster.angle-360 61 | end 62 | 63 | function _blaster.SpawnBeam() 64 | _blaster.beam = CreateProjectileAbs(_blaster.beam_sprite,0,0) 65 | Misc.ShakeScreen(30,3) 66 | _blaster.beam.sprite.Scale(2,2*_blaster.yscale) 67 | _blaster.beam.ppcollision = true 68 | _blaster.beam.sprite.yscale = 1.75*_blaster.xscale 69 | _blaster.beam["blaster"] = true 70 | _blaster.CalculateBeamPosition() 71 | if _blaster.fire_sound then Audio.PlaySound(_blaster.fire_sound) end 72 | if _blaster.OnBeam then _blaster.OnBeam(_blaster.beam) end 73 | end 74 | 75 | function _blaster.CalculateBeamPosition() 76 | _blaster.beam.MoveToAbs(_blaster.x,_blaster.y) 77 | _blaster.beam.sprite.rotation = _blaster.sprite.rotation+90 78 | _blaster.beam.Move((44*_blaster.yscale) * math.sin(math.rad(_blaster.sprite.rotation)),(-44*_blaster.yscale) * math.cos(math.rad(_blaster.sprite.rotation))) 79 | _blaster.beam.sprite.SetPivot(1,0.5) 80 | end 81 | 82 | function _blaster.Scale(x,y) 83 | _blaster.xscale = x 84 | _blaster.yscale = y 85 | _blaster.sprite.Scale(2*x,2*y) 86 | end 87 | function _blaster.UpdatePosition(x,y) 88 | _blaster.x = x 89 | _blaster.y = y 90 | _blaster.sprite.MoveTo(x,y) 91 | if _blaster.beam then 92 | _blaster.CalculateBeamPosition() 93 | end 94 | end 95 | 96 | function _blaster.Update() 97 | _blaster.updatetimer = _blaster.updatetimer + 1 98 | if (_blaster.updatetimer > _blaster.shootdelay) and (_blaster.updatetimer > (_blaster.shootdelay)+_blaster.holdfire) then 99 | _blaster.sprite.rotation = _blaster.angle 100 | _blaster.builderspd = _blaster.builderspd + 1 101 | _blaster.x = _blaster.x - (_blaster.builderspd * math.sin(math.rad(_blaster.sprite.rotation))) 102 | _blaster.y = _blaster.y - (-_blaster.builderspd * math.cos(math.rad(_blaster.sprite.rotation))) 103 | else 104 | _blaster.x = self.lerp(_blaster.x,_blaster.x2,6/_blaster.speed) 105 | _blaster.y = self.lerp(_blaster.y,_blaster.y2,6/_blaster.speed) 106 | _blaster.dorotation = self.lerp(_blaster.dorotation,_blaster.angle,6/_blaster.speed) 107 | _blaster.sprite.rotation = _blaster.dorotation 108 | end 109 | 110 | if (_blaster.updatetimer > _blaster.shootdelay) and (_blaster.updatetimer <= _blaster.shootdelay+8) then 111 | _blaster.beam.sprite.yscale = _blaster.beam.sprite.yscale + 0.125*_blaster.xscale 112 | end 113 | if (_blaster.updatetimer > _blaster.shootdelay+8) and (_blaster.updatetimer > (_blaster.shootdelay+8)+_blaster.holdfire) then 114 | if _blaster.beam.sprite.yscale > 0 then 115 | _blaster.beam.sprite.yscale = _blaster.beam.sprite.yscale - 0.125*_blaster.xscale 116 | else 117 | _blaster.beam.sprite.yscale = 0 118 | end 119 | if (_blaster.updatetimer > (_blaster.shootdelay+_blaster.holdfire)) then 120 | _blaster.beam.sprite.alpha = _blaster.beam.sprite.alpha - 0.05 121 | end 122 | if ((_blaster.x < -20) or (_blaster.x > 660) or (_blaster.y < -20) or (_blaster.y > 500)) and (_blaster.beam.sprite.alpha == 0) then 123 | _blaster.Destroy() 124 | return 125 | end 126 | end 127 | _blaster.UpdatePosition(_blaster.x,_blaster.y) 128 | if _blaster.updatetimer == _blaster.shootdelay-12 then 129 | _blaster.sprite.Set(_blaster.sprite_prefix .. "1") 130 | elseif _blaster.updatetimer == _blaster.shootdelay-8 then 131 | _blaster.sprite.Set(_blaster.sprite_prefix .. "2") 132 | elseif _blaster.updatetimer == _blaster.shootdelay-4 then 133 | _blaster.sprite.Set(_blaster.sprite_prefix .. "3") 134 | elseif _blaster.updatetimer == _blaster.shootdelay then 135 | _blaster.sprite.SetAnimation({_blaster.sprite_prefix .. "4",_blaster.sprite_prefix .. "5"},6/60) 136 | _blaster.SpawnBeam() 137 | end 138 | end 139 | 140 | function _blaster.Destroy() 141 | _blaster.sprite.Remove() 142 | if _blaster.beam then 143 | _blaster.beam.Remove() 144 | end 145 | for index, value in pairs(self.blasters) do 146 | if value == _blaster then 147 | table.remove(self.blasters,index) 148 | return 149 | end 150 | end 151 | end 152 | table.insert(self.blasters,_blaster) 153 | return _blaster 154 | end 155 | 156 | function self.Update() 157 | for i = #self.blasters, 1, -1 do 158 | self.blasters[i].Update() 159 | end 160 | end 161 | 162 | local _EndingWave = EndingWave 163 | function EndingWave() 164 | for i = #self.blasters, 1, -1 do 165 | self.blasters[i].Destroy() 166 | end 167 | if _EndingWave then 168 | _EndingWave() 169 | end 170 | end 171 | 172 | return self 173 | end)() 174 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------