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| "use strict";
function updateCoords(e) {
pointerX = (e.clientX || e.touches[0].clientX) - canvasEl.getBoundingClientRect().left, pointerY = e.clientY || e.touches[0].clientY - canvasEl.getBoundingClientRect().top
}
function setParticuleDirection(e) {
var t = anime.random(0, 360) * Math.PI / 180,
a = anime.random(50, 180),
n = [-1, 1][anime.random(0, 1)] * a;
return {
x: e.x + n * Math.cos(t),
y: e.y + n * Math.sin(t)
}
}
function createParticule(e, t) {
var a = {};
return a.x = e, a.y = t, a.color = colors[anime.random(0, colors.length - 1)], a.radius = anime.random(12, 24), a.endPos = setParticuleDirection(a), a.draw = function() {
ctx.beginPath(), ctx.arc(a.x, a.y, a.radius, 0, 2 * Math.PI, !0), ctx.fillStyle = a.color, ctx.fill()
}, a
}
function createCircle(e, t) {
var a = {};
return a.x = e, a.y = t, a.color = "#F00", a.radius = 0.1, a.alpha = 0.5, a.lineWidth = 6, a.draw = function() {
ctx.globalAlpha = a.alpha, ctx.beginPath(), ctx.arc(a.x, a.y, a.radius, 0, 2 * Math.PI, !0), ctx.lineWidth = a.lineWidth, ctx.strokeStyle = a.color, ctx.stroke(), ctx.globalAlpha = 1
}, a
}
function renderParticule(e) {
for (var t = 0; t < e.animatables.length; t++) {
e.animatables[t].target.draw()
}
}
function animateParticules(e, t) {
for (var a = createCircle(e, t), n = [], i = 0; i < numberOfParticules; i++) {
n.push(createParticule(e, t))
}
anime.timeline().add({
targets: n,
x: function(e) {
return e.endPos.x
},
y: function(e) {
return e.endPos.y
},
radius: 0.1,
duration: anime.random(1200, 1800),
easing: "easeOutExpo",
update: renderParticule
}).add({
targets: a,
radius: anime.random(80, 120),
lineWidth: 0,
alpha: {
value: 0,
easing: "linear",
duration: anime.random(600, 800)
},
duration: anime.random(1200, 1800),
easing: "easeOutExpo",
update: renderParticule,
offset: 0
})
}
function debounce(e, t) {
var a;
return function() {
var n = this,
i = arguments;
clearTimeout(a), a = setTimeout(function() {
e.apply(n, i)
}, t)
}
}
var canvasEl = document.querySelector(".fireworks");
if (canvasEl) {
var ctx = canvasEl.getContext("2d"),
numberOfParticules = 30,
pointerX = 0,
pointerY = 0,
tap = "mousedown",
colors = ["#FF1461", "#18FF92", "#5A87FF", "#FBF38C"],
setCanvasSize = debounce(function() {
canvasEl.width = 2 * window.innerWidth, canvasEl.height = 2 * window.innerHeight, canvasEl.style.width = window.innerWidth + "px", canvasEl.style.height = window.innerHeight + "px", canvasEl.getContext("2d").scale(2, 2)
}, 500),
render = anime({
duration: 1 / 0,
update: function() {
ctx.clearRect(0, 0, canvasEl.width, canvasEl.height)
}
});
document.addEventListener(tap, function(e) {
"sidebar" !== e.target.id && "toggle-sidebar" !== e.target.id && "A" !== e.target.nodeName && "IMG" !== e.target.nodeName && (render.play(), updateCoords(e), animateParticules(pointerX, pointerY))
}, !1), setCanvasSize(), window.addEventListener("resize", setCanvasSize, !1)
}
|
