cat bounce

working !

by Nick Hulea

HTML

<script src="https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/pathseg.js"></script>
<script src="https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/decomp.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/matter-js/0.12.0/matter.min.js"></script>
<button id="makeItRainbow" class="btn">  
<span class="txt anim-text-flow-hover">Make It Rainbow</span>
</button>
<button id="makeItRain" class="btn">
<span class="txt anim-text-flow-hover">Make It Rain</span>
</button>
<audio id="audio2">
  <source src="https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/sound_2.ogg" type="audio/ogg">
  <source src="http://aa8f47fcc01b7584f779-b57f388ffba74a9d5600392ce75da4b1.r13.cf2.rackcdn.com/cats/sound_2.mp3" type="audio/mpeg">
  Your browser does not support the audio element.
</audio>
<audio id="audio1">
  <source src="https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/sound_1.ogg" type="audio/ogg">
  <source src="http://aa8f47fcc01b7584f779-b57f388ffba74a9d5600392ce75da4b1.r13.cf2.rackcdn.com/cats/sound_1.mp3" type="audio/mpeg">
  Your browser does not support the audio element.
</audio>

SCSS

body {
  overflow: hidden;
  margin: 0px;
  width: 100vw;
  height: 100vh;
  background: -webkit-gradient(linear, left top, left bottom, from(#ef31f9), to(rgba(125, 185, 232, 0)));
  background: linear-gradient(180deg, #ef31f9, rgba(125, 185, 232, 0));
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#ef31f9", endColorstr="#007db9e8", GradientType=0)
}

body,
html {
  height: 100vh;
  width: 100vw;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
    padding: 0;
  margin: 0;
  overflow: hidden
}

.btn {
  position: fixed;
  top: 0;
  margin: 1rem;
  -webkit-appearance: none;
  border: none;
  outline: none;
  padding: 10px 20px;
  cursor: pointer;
  background: none;
  color: #fff;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 1.5rem;
}

#makeItRain {
  right: 0;
}

#makeItRainbow {
  left: 0;
}

/*
 * Animation module with all animation code
 */

.anim-text-flow,
.anim-text-flow-hover:hover {
  /*
   * Animation variables
   */
  $animationSteps: 250;
  $animationDuration: 10;
  $animationElement: span;
  $animationElementsCount: 100;
  $delayBetweenLetters: 0.1;
  /*
   * Elements settings
   */
  #{$animationElement} {
    animation-name: anim-text-flow-keys;
    animation-duration: #{$animationDuration}s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-fill-mode: forwards;
  }
  /*
   * Keyframe loop
   */
  @keyframes anim-text-flow-keys {
    @for $i from 0 through $animationSteps {
      #{percentage($i * (1 / $animationSteps))} {
        color: hsla(random(365), 60, 60, 1);
      }
    }
  }
  /*
   * Element animation delay loop
   */
  $totalDelayTime: $animationElementsCount * $delayBetweenLetters;
  @for $i from 1 through $animationElementsCount {
    #{$animationElement}:nth-of-type(#{$i}) {
      animation-delay: #{($i * $delayBetweenLetters) - $totalDelayTime}s;
    }
  }
}

JavaScript

console.log(Matter);
var cats = [
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_1.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_2.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_3.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_4.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_5.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_6.png"
];
var rainbow_cats = [
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_1_red.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_2_yellow.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_3_purple.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_4_green.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_5_blue.png",
  "https://3681a2d2784956323369-b57f388ffba74a9d5600392ce75da4b1.ssl.cf2.rackcdn.com/cats/cat_6_orange.png"
];
var Engine = Matter.Engine;
var Render = Matter.Render;
var World = Matter.World;
var Bodies = Matter.Bodies;
var Events = Matter.Events;
var Body = Matter.Body;
var Svg = Matter.Svg;
var Vertices = Matter.Vertices;
var Composites = Matter.Composites;
var MouseConstraint = Matter.MouseConstraint;
var Mouse = Matter.Mouse;
var engine = Engine.create();
var _restitution = 1.0001;
var _friction = 1;
var _frictionAir = 0.0001;
var _frictionStatic = 15;
var _density = 0.01;
var mirainbow = $("#makeItRainbow");
var mirain = $("#makeItRain");
var defaultCategory = 0x0001;
var redCategory = 0x0002;
var greenCategory = 0x0004;
var blueCategory = 0x0008;
var cArr = [];
var...