Konfetti Regen
Ein Voll funktionstüchtiges Script. Entpacken und starten. Läst Konffeti Regnen
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Der hier verwendete Code
<html>
<head>
<meta charset="UTF-8">
<title>Konfetti Regen</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
</head>
<body>
<canvas id="canvas" width="768" height="550"></canvas>
<script>
var canvas1, ctx, W, H;
if (screen.width >= 988) var mp = 150;
else mp = 75;
var deactivationTimerHandler, reactivationTimerHandler, animationHandler, particles = [],
angle = 0,
tiltAngle = 0,
confettiActive = !0,
animationComplete = !0,
particleColors = {
colorOptions: ["DodgerBlue", "OliveDrab", "Gold", "pink", "SlateBlue", "lightblue", "Violet", "PaleGreen", "SteelBlue", "SandyBrown", "Chocolate", "Crimson"],
colorIndex: 0,
colorIncrementer: 0,
colorThreshold: 10,
getColor: function() {
return this.colorIncrementer >= 10 && (this.colorIncrementer = 0, this.colorIndex++, this.colorIndex >= this.colorOptions.length && (this.colorIndex = 0)), this.colorIncrementer++, this.colorOptions[this.colorIndex]
}
};
function confettiParticle(t) {
this.x = Math.random() * W, this.y = Math.random() * H - H, this.r = RandomFromTo(10, 30), this.d = Math.random() * mp + 10, this.color = t, this.tilt = Math.floor(10 * Math.random()) - 10, this.tiltAngleIncremental = .07 * Math.random() + .05, this.tiltAngle = 0, this.draw = function() {
return ctx.beginPath(), ctx.lineWidth = this.r / 2, ctx.strokeStyle = this.color, ctx.moveTo(this.x + this.tilt + this.r / 4, this.y), ctx.lineTo(this.x + this.tilt, this.y + this.tilt + this.r / 4), ctx.stroke()
}
}
function InitializeButton() {
$("#stopButton").click(DeactivateConfetti), $("#startButton").click(RestartConfetti)
}
function SetGlobals() {
canvas1 = document.getElementById("canvas"), ctx = canvas1.getContext("2d"), W = window.innerWidth, H = window.innerHeight, canvas1.width = W, canvas1.height = H
}
function InitializeConfetti() {
particles = [], animationComplete = !1;
for (var t = 0; t < mp; t++) {
var i = particleColors.getColor();
particles.push(new confettiParticle(i))
}
StartConfetti()
}
function Draw() {
ctx.clearRect(0, 0, W, H);
for (var t, i = [], n = 0; n < mp; n++) t = n, i.push(particles[t].draw());
return Update(), i
}
function RandomFromTo(t, i) {
return Math.floor(Math.random() * (i - t + 1) + t)
}
function Update() {
var t, i = 0;
angle += .01, tiltAngle += .1;
for (var n = 0; n < mp; n++) {
if (t = particles[n], animationComplete) return;
!confettiActive && t.y < -15 ? t.y = H + 100 : (stepParticle(t, n), t.y <= H && i++, CheckForReposition(t, n))
}
0 === i && StopConfetti()
}
function CheckForReposition(t, i) {
(t.x > W + 20 || t.x < -20 || t.y > H) && confettiActive && (i % 5 > 0 || i % 2 == 0 ? repositionParticle(t, Math.random() * W, -10, Math.floor(10 * Math.random()) - 10) : Math.sin(angle) > 0 ? repositionParticle(t, -5, Math.random() * H, Math.floor(10 * Math.random()) - 10) : repositionParticle(t, W + 5, Math.random() * H, Math.floor(10 * Math.random()) - 10))
}
function stepParticle(t, i) {
t.tiltAngle += t.tiltAngleIncremental, t.y += (Math.cos(angle + t.d) + 3 + t.r / 2) / 2, t.x += Math.sin(angle), t.tilt = 15 * Math.sin(t.tiltAngle - i / 3)
}
function repositionParticle(t, i, n, e) {
t.x = i, t.y = n, t.tilt = e
}
function StartConfetti() {
W = window.innerWidth, H = window.innerHeight, canvas1.width = W, canvas1.height = H,
function t() {
return animationComplete ? null : (animationHandler = requestAnimFrame(t), Draw())
}()
}
function ClearTimers() {
clearTimeout(reactivationTimerHandler), clearTimeout(animationHandler)
}
function DeactivateConfetti() {
confettiActive = !1, ClearTimers()
}
function StopConfetti() {
animationComplete = !0, null != ctx && ctx.clearRect(0, 0, W, H)
}
function RestartConfetti() {
ClearTimers(), StopConfetti(), reactivationTimerHandler = setTimeout(function() {
confettiActive = !0, animationComplete = !1, InitializeConfetti()
}, 100)
}
$(document).ready(function() {
SetGlobals(), InitializeButton(), InitializeConfetti(), $(window).resize(function() {
W = window.innerWidth, H = window.innerHeight, canvas1.width = W, canvas1.height = H
})
}), window.requestAnimFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(t) {
return window.setTimeout(t, 1e3 / 60)
};
</script>
</body>
</html>