<script src='https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.2/dat.gui.min.js'></script>
<style>
#wrapper {
position: absolute;
top: 0;
width: 100% !important;
height: 100% !important;
pointer-events: none;
}
.dg.ac {
display: none;
}
</style>
<canvas id="canvas"></canvas>
<div id="wrapper">
</div>
<script>
var rippleSettings = {
maxSize: 100,
animationSpeed: 5,
strokeColor: [148, 217, 255]
};
var canvasSettings = {
blur: 8,
ratio: 1
};
function Coords(x, y) {
this.x = x || null;
this.y = y || null;
}
var Ripple = function Ripple(x, y, circleSize, ctx) {
this.position = new Coords(x, y);
this.circleSize = circleSize;
this.maxSize = rippleSettings.maxSize;
this.opacity = 1;
this.ctx = ctx;
this.strokeColor = 'rgba(' + Math.floor(rippleSettings.strokeColor[0]) + ',\n ' + Math.floor(rippleSettings.strokeColor[1]) + ',\n ' + Math.floor(rippleSettings.strokeColor[2]) + ',\n ' + this.opacity + ')';
this.animationSpeed = rippleSettings.animationSpeed;
this.opacityStep = this.animationSpeed / (this.maxSize - circleSize) / 2;
};
Ripple.prototype = {
update: function update() {
this.circleSize = this.circleSize + this.animationSpeed;
this.opacity = this.opacity - this.opacityStep;
this.strokeColor = 'rgba(' + Math.floor(rippleSettings.strokeColor[0]) + ',\n ' + Math.floor(rippleSettings.strokeColor[1]) + ',\n ' + Math.floor(rippleSettings.strokeColor[2]) + ',\n ' + this.opacity + ')';
},
draw: function draw() {
this.ctx.beginPath();
this.ctx.strokeStyle = this.strokeColor;
this.ctx.arc(this.position.x, this.position.y, this.circleSize, 0, 2 * Math.PI);
this.ctx.stroke();
},
setStatus: function setStatus(status) {
this.status = status;
}
};
var canvas = document.querySelector('#canvas');
var ctx = canvas.getContext('2d');
var ripples = [];
var height = document.body.clientHeight;
var width = document.body.clientWidth;
var rippleStartStatus = 'start';
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
canvas.style.filter = 'blur(' + canvasSettings.blur + 'px)';
canvas.width = width * canvasSettings.ratio;
canvas.height = height * canvasSettings.ratio;
canvas.style.width = width + 'px';
canvas.style.height = height + 'px';
var animationFrame = void 0;
// Add GUI settings
var addGuiSettings = function addGuiSettings() {
var gui = new dat.GUI();
gui.add(rippleSettings, 'maxSize', 0, 1000).step(1);
gui.add(rippleSettings, 'animationSpeed', 1, 30).step(1);
gui.addColor(rippleSettings, 'strokeColor');
var blur = gui.add(canvasSettings, 'blur', 0, 20).step(1);
blur.onChange(function (value) {
canvas.style.filter = 'blur(' + value + 'px)';
});
};
addGuiSettings();
// Function which is executed on mouse hover on canvas
var canvasMouseOver = function canvasMouseOver(e) {
var x = e.clientX * canvasSettings.ratio;
var y = e.clientY * canvasSettings.ratio;
ripples.unshift(new Ripple(x, y, 2, ctx));
};
var animation = function animation() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
var length = ripples.length;
for (var i = length - 1; i >= 0; i -= 1) {
var r = ripples[i];
r.update();
r.draw();
if (r.opacity <= 0) {
ripples[i] = null;
delete ripples[i];
ripples.pop();
}
}
animationFrame = window.requestAnimationFrame(animation);
};
animation();
canvas.addEventListener('mousemove', canvasMouseOver);
</script>
<script>
$('#canvas').appendTo('#rec83732178 .t396__filter');
</script>