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Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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HTML

              
                <canvas></canvas>

<p>Hold mouse down to enter time warp</p>

<!-- Social -->
<div class="twitter social-icon">
  <a href="https://twitter.com/Christopher4Lis" target="_blank"></a>
  <i class="fa fa-twitter fa-lg"></i>
</div>

<div class="youtube social-icon">
  <a href="https://www.youtube.com/channel/UC9Yp2yz6-pwhQuPlIDV_mjA" target="_blank"></a>
  <i class="fa fa-youtube fa-lg"></i>
</div>
              
            
!

CSS

              
                body {
  background: #121212;
  margin: 0;
  overflow: hidden;
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

@keyframes chill {
    from {opacity: 1;}
    to {opacity: 1;}
}

@keyframes fadeOut {
    from {opacity: 1;}
    to {opacity: 0;}
}

p {
  position: absolute;
  top: 10px;
  left: 12px;
  color: white;
  opacity: 0;
  font-family: "Source Sans Pro";
  animation: fadeIn 2s ease-out, chill 2s 2s, fadeOut 2s 4s;
}



// Twitter
.twitter {
  &:hover {
    a {
      transform: rotate(-45deg) scale(1.05);
    }
    
    i {
      color: lighten(#00ACED, 10%);
    }
  }
  
  a {
    bottom: -40px;
    right: -75px;
    transform: rotate(-45deg);
  }
  
  i {
    bottom: 7px;
    right: 7px;
    color: #00ACED;
  }
}

.social-icon {
  a {
    position: absolute;
    background: white;
    color: white;
    box-shadow: -1px -1px 20px 0px rgba(0,0,0,0.30);
    display: inline-block;
    width: 150px;
    height: 80px;  
    transform-origin: 50% 50%;
    transition: .15s ease-out;
  }
  
  i {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    transition: .15s ease-out;
  }
}

// YouTube 

.youtube {
  &:hover {
    a {
      transform: rotate(45deg) scale(1.05);
    }
    
    i {
      color: lighten(#E62117, 10%);
    }
  }
  
  a {
    bottom: -40px;
    left: -75px;
    transform: rotate(45deg);
  }
  
  i {
    bottom: 7px;
    left: 7px;
    color: #E62117;
  }
}
              
            
!

JS

              
                		var canvas = document.querySelector('canvas');
		var c = canvas.getContext('2d');

		canvas.width = window.innerWidth;
		canvas.height = window.innerHeight;

		var particleCount = 750;
		var mouse = {
			x: window.innerWidth / 2,
			y: window.innerHeight / 2 
		};

		window.addEventListener("mousemove", function(event) {
			mouse.x = event.clientX - canvas.width / 2;
			mouse.y = event.clientY - canvas.height / 2;
		});

		window.addEventListener("resize", function() {
			canvas.width = window.innerWidth;	
			canvas.height = window.innerHeight;

			lightParticles = [];
			initializeParticles();
		});


		function LightParticle(x, y, radius, color) {
			this.x = x;
			this.y = y;
			this.radius = radius;
			this.color = color;

			this.update = function() {

				this.draw();
			};

			this.draw = function() {
				c.save();
				c.beginPath();
				c.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false);	
				c.shadowColor = this.color;
				c.shadowBlur = 15;
				c.shadowOffsetX = 0;
				c.shadowOffsetY = 0;
				c.fillStyle = this.color;
				c.fill();
				c.closePath();
				c.restore();
			};
		}

		var lightParticles = [];

		var timer = 0;
		var opacity = 1;
		var speed = 0.0005;
		var colors = [
			"#0952BD",
			"#A5BFF0",
			"#118CD6",
			"#1AAEE8",
			"#F2E8C9"
		];

		var initializeParticles;

		(initializeParticles = function() {
			for (var i = 0; i < particleCount; i++) {

				var randomColorIndex = Math.floor(Math.random() * 6);
				var randomRadius = Math.random() * 2;

				// Ensure particles are spawned past screen width and height so
				// there will be no missing stars when rotating canvas
				var x = (Math.random() * (canvas.width + 200)) - (canvas.width + 200) / 2;
				var y = (Math.random() * (canvas.width + 200)) - (canvas.width + 200) / 2;
				lightParticles.push(new LightParticle(x, y, randomRadius, colors[randomColorIndex]));
			}
		})();

		function animate() {
			window.requestAnimationFrame(animate);

			c.save();
			if (isMouseDown === true) {

				// Ease into the new opacity
				var desiredOpacity = 0.01;
				opacity += (desiredOpacity - opacity) * 0.03;
				c.fillStyle = "rgba(18, 18, 18,"+ opacity +")";

				// Ease into the new speed
				var desiredSpeed = 0.012;
				speed += (desiredSpeed - speed) * 0.01;
				timer += speed;

			} else {

				// Ease back to the original opacity
				var originalOpacity = 1;
				opacity += (originalOpacity - opacity) * 0.01;
				c.fillStyle = "rgba(18, 18, 18, " + opacity + ")";

				// Ease back to the original speed
				var originalSpeed = 0.001;
				speed += (originalSpeed - speed) * 0.01;
				timer += speed;


			}

			c.fillRect(0, 0, canvas.width, canvas.height);
			c.translate(canvas.width / 2, canvas.height/2 );
			c.rotate(timer);

			for (var i = 0; i < lightParticles.length; i++) {
				lightParticles[i].update();
			}

			c.restore();

			
		}

		var isMouseDown = false;

		window.addEventListener("mousedown", function() {
			isMouseDown = true;	
		});
		

		window.addEventListener("mouseup", function() {
			isMouseDown = false;	
		});

		animate();
              
            
!
999px

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