JSFiddle - React, Tailwind, and code Playground
by Javier Sosa
HTML
<div id="content">
Hello World
<br /> I love confetti!
<br />
<div class="buttonContainer">
<button id="stopButton">Stop Confetti</button>
<button id="startButton">Drop Confetti</button>
</div>
</div>
<canvas id="canvas"></canvas>
CSS
* {
margin: 0;
padding: 0;
}
body {
/*You can use any kind of background here.*/
background: transparent;
}
canvas {
display: block;
position: relative;
zindex: 1;
pointer-events: none;
}
#content {
text-align: center;
width: 500px;
height: 300px;
position: absolute;
top: 50%;
left: 50%;
margin-left: -250px;
margin-top: -150px;
color: silver;
font-family: verdana;
font-size: 45px;
font-weight: bold;
}
.buttonContainer {
display: inline-block;
}
button {
padding: 5px 10px;
font-size: 20px;
}
JavaScript
(function () {
// globals
var canvas;
var ctx;
var W;
var H;
var mp = 100; //max particles
var particles = [];
var angle = 0;
var tiltAngle = 0;
var confettiActive = true;
var animationComplete = true;
var deactivationTimerHandler;
var reactivationTimerHandler;
var animationHandler;
// objects
var particleColors = {
colorOptions: ["DodgerBlue", "OliveDrab", "Gold", "pink", "SlateBlue", "lightblue", "Violet", "PaleGreen", "SteelBlue", "SandyBrown", "Chocolate", "Crimson"],
colorIndex: 0,
colorIncrementer: 0,
colorThreshold: 10,
getColor: function () {
if (this.colorIncrementer >= 10) {
this.colorIncrementer = 0;
this.colorIndex++;
if (this.colorIndex >= this.colorOptions.length) {
this.colorIndex = 0;
}
}
this.colorIncrementer++;
return this.colorOptions[this.colorIndex];
}
}
function confettiParticle(color) {
this.x = Math.random() * W; // x-coordinate
this.y = (Math.random() * H) - H; //y-coordinate
this.r = RandomFromTo(10, 30); //radius;
this.d = (Math.random() * mp) + 10; //density;
this.color = color;
this.tilt = Math.floor(Math.random() * 10) - 10;
this.tiltAngleIncremental = (Math.random() * 0.07) + .05;
this.tiltAngle = 0;
this.draw = function () {
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));
return ctx.stroke();
}
}
$(document).ready(function () {
SetGlobals();
InitializeButton();
InitializeConfetti();
$(window).resize(function () {
W =...