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HTML

              
                #app
  #canvas_container
  #info
    h1
      |408 Request Timeout <br>
      small| - The Game
    p|Use the handle to rotate the hourglass. 
    p|Watch out! It is broken. 
    p|Don't let the pixe... sand get out.
    p|Remember - You have limited time.
    button(@click='restartGame()' v-if="gameOver")|Restart
  #gui
    | Time limit:<br>
    span| {{ timeLimit }}s
  div.range-slider
    p|Controler:
    input(v-model='currAngle' type='range' min="-25" max="25" class='range-slider__range')
  #timeout(:class="gameOver ? 'shown' : ''")| {{message}}
              
            
!

CSS

              
                $mainColor: #4a08a0;
$range-width: 100% !default;
$range-handle-size: 20px !default;
$range-track-height: 10px !default;
$range-label-width: 60px !default;

body {
  background: #f6f6f6;
  background: -moz-linear-gradient(-45deg, #f6f6f6 0%, #d1d1d1 100%);
  background: -webkit-linear-gradient(-45deg, #f6f6f6 0%, #d1d1d1 100%);
  background: linear-gradient(135deg, #f6f6f6 0%, #d1d1d1 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#f6f6f6",
    endColorstr="#d1d1d1",
    GradientType=1);
  color: rgb(0, 0, 0);
  // color: #fff;
  // background-color: #0000fe;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: relative;
  font-family: 'VT323', monospace;
  font-size: 22px;


  p {
    margin: 0;
    line-height: 1;

    &:first-of-type {
      margin-top: 20px;
    }
  }

  input {
    font-family: 'VT323', monospace;
    font-size: 50px;
    border: none;
    background: none;
    width: 100px;
  }

  canvas {
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    position: absolute;
    cursor: pointer;
  }

  #info {
    position: absolute;
    top: 7vh;
    left: 5vw;
  }

  .range-slider {
    margin: 60px 0 0 0%;
    position: absolute;
    top: 50%;
    width: 30%;
    transform: translateY(-50%);
    right: 5%;
    text-align: right;
  }

  .range-slider__range {
    -webkit-appearance: none;
    width: calc(100% - (#{$range-label-width + 13px}));
    height: $range-track-height;
    border-radius: 5px;
    background: #ccc;
    outline: none;
    padding: 0;
    margin: 0;

    &::-webkit-slider-thumb {
      appearance: none;
      width: $range-handle-size;
      height: $range-handle-size;
      border-radius: 50%;
      background: #000;
      cursor: pointer;
      transition: background .15s ease-in-out;

      &:hover {
        background: $mainColor;
      }
    }

    &:active::-webkit-slider-thumb {
      background: $mainColor;
    }

    &::-moz-range-thumb {
      width: $range-handle-size;
      height: $range-handle-size;
      border: 0;
      border-radius: 50%;
      background: #000;
      cursor: pointer;
      transition: background .15s ease-in-out;

      &:hover {
        background: $mainColor;
      }
    }

  }

  h1 {
    font-weight: 400;
    margin: 0;
    line-height: 1;

    small {
      padding-bottom: 30px;
    }
  }

  #gui {
    position: absolute;
    top: 15%;
    right: 5%;
    z-index: 999;
    text-align: right;
    font-size: 24px;

    span {
      font-size: 60px;
      margin-left: 5px;
    }
  }

  #timeout {
    position: absolute;
    left: 50%;
    top: 50%;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -55%) scale3d(1, 1, 1) rotate(-10deg);
    transition: all 1s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    z-index: 999;
    font-size: 10vw;
    color: #fff;
    background-color: rgba(0, 0, 0, .9);
    padding: 0px 35px;
    line-height: 1;

    &.shown {
      opacity: 1;
      transform: translate(-50%, -55%) scale3d(1.3, 1.3, 1) rotate(-1deg);

    }
  }

  button {
    border: none;
    padding: 10px 20px;
    margin-top: 20px;
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 1);
    font-family: 'VT323', monospace;
    text-transform: uppercase;
    cursor: pointer;
    font-size: 30px;
    background-color: $mainColor;
    transition: all cubic-bezier(0.19, 1, 0.22, 1) .3s;
    color: #fff;

    &:hover,
    &:focus {
      background-color: darken($mainColor, 10%);
    }
  }
}

@media screen and (max-width: 990px) {
  body {
    font-size: 12px;

    #info {
      bottom: 25px;
      left: 25px;
      top: 20px;
    }

    #gui {
      top: 20px;
    }

    h1 small {
      display: none;
    }

    p:first-of-type {
      margin-top: 0;
    }

    .range-slider {
      bottom: 45px;
      top: initial;
      width: 100%;
      right: 35px;
      transform: translateY(0);
    }

    #timeout {
      padding: 0px 12px;
    }
  }

}

              
            
!

JS

              
                /*A physics mini game made as a part of Codepen.io Challenge. Made with p5, Matter and Vue.*/
new Vue({
	el: '#app',
	data: {
		currAngle: 0,
		myp5: null,
		allowRotate: true,
		gameOver: false,
		inGame: false,
		timeLimit: 11,
		timer: null,
		sandColor: '#4a08a0',
		boundsColor: '#BBBBBB',
		message: 'TIME OUT!',
		points: 0,
		hScale: window.innerHeight / 800
	},
	watch: {
		points(val, newVal) {
			if (val >= 110 && !this.gameOver) {
				this.gameOver = true
				this.message = 'YOU WIN!'
				clearInterval(this.timer)
			}
		},
		currAngle(val) {
			if (val !== 0) {
				if (!this.inGame) {
					this.inGame = true
					this.timer = setInterval(() => {
						this.timeLimit -= 1
					}, 1000)
				}
			}
		},
		timeLimit(val) {
			if (val <= 0) {
				clearInterval(this.timer)
				this.gameOver = true
				this.message = 'TIME OUT!'
			}
		}
	},
	methods: {
		restartGame() {
      window.location.reload(true)
		},
		initGame() {
			let bod = document.getElementsByTagName('body')[0]
			bod.addEventListener('click', function () {
				_this.allowRotate = true
			})
			let _this = this

			function sketchInit(sketch) {
				let engine
				let world
				let stack
				let sand = []
				let pixels = []
				let pixels2 = []
				const SAND_COUNT = 110
				const SAND_SIZE = 12
				const PIXEL_SIZE = 20
				const Engine = Matter.Engine
				const Render = Matter.Render
				const World = Matter.World
				const Bodies = Matter.Bodies
				const Composite = Matter.Composite
				const Events = Matter.Events
				const LEFT_SIDE = [{
						x: -40,
						y: -20
					},
					{
						x: -40,
						y: 0
					},
					{
						x: -60,
						y: 0
					},
					// {
					// 	x: -60,
					// 	y: -20
					// },
					{
						x: -60,
						y: -40
					},
					{
						x: -60,
						y: 20
					},
					{
						x: -80,
						y: 20
					},
					{
						x: -80,
						y: 40
					},
					{
						x: -80,
						y: -40
					},
					{
						x: -80,
						y: -60
					},
					{
						x: -100,
						y: -80
					},
					{
						x: -100,
						y: -60
					},
					{
						x: -100,
						y: 60
					},
					{
						x: -100,
						y: 40
					},
					{
						x: -120,
						y: -100
					},
					// {
					// 	x: -120,
					// 	y: -80
					// },
					{
						x: -120,
						y: 60
					},
					{
						x: -120,
						y: 80
					},
					{
						x: -120,
						y: 100
					},
					{
						x: -120,
						y: 120
					},
					{
						x: -120,
						y: 140
					},
					{
						x: -120,
						y: 160
					},

					{
						x: -120,
						y: -120
					},
					{
						x: -120,
						y: -140
					},
					{
						x: -120,
						y: -160
					},
					{
						x: -120,
						y: -180
					},
					{
						x: -140,
						y: 200
					},
					{
						x: -140,
						y: -220
					}
				]
				const RIGHT_SIDE = [{
						x: 20,
						y: 0
					},
					{
						x: 40,
						y: 0
					},
					{
						x: 20,
						y: -20
					},
					{
						x: 40,
						y: -20
					},
					{
						x: 60,
						y: 40
					},
					{
						x: 40,
						y: 20
					},
					{
						x: 60,
						y: 20
					},
					// {
					// 	x: 80,
					// 	y: 60
					// },
					{
						x: 80,
						y: 40
					},
					// {
					// 	x: 100,
					// 	y: 60
					// },
					{
						x: 100,
						y: 80
					},
					{
						x: 100,
						y: 100
					},
					{
						x: 100,
						y: 120
					},
					{
						x: 100,
						y: 140
					},
					{
						x: 100,
						y: 160
					},
					{
						x: 100,
						y: -80
					},
					{
						x: 100,
						y: -100
					},
					{
						x: 80,
						y: -60
					},
					{
						x: 60,
						y: -60
					},
					{
						x: 60,
						y: -40
					},
					{
						x: 40,
						y: -40
					},
					{
						x: 100,
						y: -120
					},
					{
						x: 100,
						y: -140
					},
					{
						x: 100,
						y: -160
					},
					{
						x: 100,
						y: -180
					},
					{
						x: 80,
						y: -80
					},
					{
						x: 120,
						y: 200
					},
					{
						x: 120,
						y: -220
					}
				]

				sketch.setup = function () {
					sketch.createCanvas(window.innerWidth, window.innerHeight)
          sketch.frameRate(30)
					engine = Engine.create()
					world = engine.world
					var render = Render.create({
						element: document.getElementById('canvas_container'),
						engine: engine,
						options: {
							width: window.innerWidth,
							height: window.innerHeight,
							wireframes: false,
							background: 'transparent'
						}
					})

					Render.run(render)

					World.add(world, [
						Bodies.rectangle(window.innerWidth / 2, 0, window.innerWidth, 50, {
							isStatic: true,
							render: {
								fillStyle: _this.boundsColor,
							}
						}),
						Bodies.rectangle(window.innerWidth / 2, window.innerHeight, window.innerWidth, 50, {
							isStatic: true,
							id: 999,
							render: {
								fillStyle: _this.boundsColor,
							}
						}),
						Bodies.rectangle(window.innerWidth, window.innerHeight / 2, 50, window.innerHeight, {
							isStatic: true,
							render: {
								fillStyle: _this.boundsColor,
							}
						}),
						Bodies.rectangle(0, window.innerHeight / 2, 50, window.innerHeight, {
							isStatic: true,
							render: {
								fillStyle: _this.boundsColor,
							}
						})
					])

					stack = Composite.create()

					new Edge(-110, -200, 280, PIXEL_SIZE)
					new Edge(-110, -240, 280, PIXEL_SIZE)
					new Edge(-110, 180, 280, PIXEL_SIZE)
					new Edge(-110, 220, 280, PIXEL_SIZE)
					let strongFloor = Bodies.rectangle(-10, 195, 270, 50, {
						isStatic: true,
						density: 100,
						render: {
							fillStyle: 'transparent',
						}
					})
					let strongWall = Bodies.rectangle(-120, 135, 20, 170, {
						isStatic: true,
						density: 100,
						render: {
							fillStyle: 'transparent',
						}
					})
					let strongWall2 = Bodies.rectangle(100, 150, 20, 160, {
						isStatic: true,
						density: 100,
						render: {
							fillStyle: 'transparent',
						}
					})
					let sensor = Bodies.rectangle(-10, -150, 200, 100, {
						label: 'sensor',
						isStatic: true,
						isSensor: true,
						render: {
							fillStyle: 'transparent',
						}
					})
					let sensor2 = Bodies.rectangle(-10, 110, 200, 200, {
						label: 'sensor',
						isStatic: true,
						isSensor: true,
						render: {
							fillStyle: 'transparent',
						}
					})
					World.add(world, [sensor, sensor2, strongWall, strongWall2, strongFloor])
					Composite.add(stack, [sensor, sensor2, strongWall, strongWall2, strongFloor])
					for (let x = 0; x < SAND_COUNT; x++) {
						// sand.push(new Sand(sketch.random(-80, 80), sketch.random(-120, -180)))
						sand.push(new Sand(sketch.random(-10, 8) * 10, sketch.random(6, 17) * 10))
					}
					for (let x = 0; x < LEFT_SIDE.length; x++) {
						pixels.push(new HourglassPixel(LEFT_SIDE[x].x, LEFT_SIDE[x].y))
						pixels2.push(new HourglassPixel(RIGHT_SIDE[x].x, RIGHT_SIDE[x].y))
					}
					Composite.translate(stack, {
						x: window.innerWidth / 2,
						y: window.innerHeight / 2
					}, true);
					Composite.scale(stack, _this.hScale, _this.hScale, {
						x: window.innerWidth / 2,
						y: window.innerHeight / 2
					}, true)

					Events.on(engine, 'collisionStart', function (event) {
						const pairs = event.pairs;

						for (var i = 0; i < pairs.length; i++) {
							var pair = pairs[i];
							if (pair.bodyA.label === "sand" && pair.bodyB.id == 999) {
								pair.bodyA.render.fillStyle = '#FF0000'
								pair.bodyB.render.fillStyle = '#FF0000'
								if (!_this.gameOver) {
									_this.gameOver = true
									_this.message = 'Game Over'
									clearInterval(_this.timer)
								}
							}
						}
					})

					Events.on(engine, 'collisionEnd', function (event) {
						var pairs = event.pairs;

						for (var i = 0, j = pairs.length; i != j; ++i) {
							var pair = pairs[i];

							if (pair.bodyA.label == "sensor") {
								// _this.sandColor = '#00FF00'
								_this.points++
								pair.bodyB.render.fillStyle = _this.sandColor;
							}
						}
					});

					Engine.run(engine)
				}

				sketch.draw = function () {
					sketch.clear()
					if (!_this.gameOver) {
						Composite.rotate(stack, _this.currAngle * 0.001, {
							x: window.innerWidth / 2,
							y: window.innerHeight / 2
						}, true);
					}
				}
				class Sand {
					constructor(x, y) {
						this.body = Bodies.rectangle(x, y, SAND_SIZE, SAND_SIZE, {
							restitution: 0,
							friction: .1,
							// frictionAir: .1,
							density: .000001,
							label: 'sand',
							render: {
								fillStyle: _this.sandColor
							}
						})
						World.add(world, this.body)
						Composite.add(stack, this.body)
					}
				}
				class Edge {
					constructor(x, y, w, h) {
						this.body = Bodies.rectangle(x + 100, y, w, h, {
							isStatic: true,
							restitution: 0,
							friction: 1,
							density: 10,
							render: {
								fillStyle: '#000000'
							}
						})
						this.w = w
						this.h = h
						World.add(world, this.body)
						Composite.add(stack, this.body)
					}
				}
				class HourglassPixel {
					constructor(x, y) {
						this.pixel = Bodies.rectangle(x, y, PIXEL_SIZE, PIXEL_SIZE, {
							friction: .2,
							restitution: 0,
							isStatic: true,
							density: 10,
							render: {
								fillStyle: '#000000'
							}
						})
						World.add(world, this.pixel)
						Composite.add(stack, this.pixel)
					}
				}
			}
			let canv = (sketch) => {
				sketchInit(sketch)
			}
			this.myp5 = new p5(canv, 'canvas_container')
		}
	},
	mounted() {
		this.initGame()
	}
})

              
            
!
999px

Console