Fireworks fountain

Developer
Max Huang
Size
3,155 Kb
Views
22,264
  1. Fireworks fountain Previews
  2. Fireworks fountain HTML Codes
  3. Fireworks fountain CSS Codes
  4. Fireworks fountain JS Codes

How do I make an fireworks fountain?

What is a fireworks fountain? How do you make a fireworks fountain? This script and codes were developed by Max Huang on 26 December 2022, Monday.

Fireworks fountain Previews
IQ Test

Fireworks fountain - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Fireworks fountain</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canvas"></canvas>
<script src="//cdnjs.cloudflare.com/ajax/libs/stats.js/r11/Stats.js" type="text/javascript"></script>
<div class="title">move your mouse on</div> <script src="js/index.js"></script>
</body>
</html>

Fireworks fountain - Script Codes CSS Codes

html, body {	margin: 0px;	}
.title {	color: #FFF;	position: absolute;	top: 8px;	left: 12px;	font-family: verdana;	text-transform: uppercase;	font-size: 10px;	font-weight: bold;	}	canvas {	display: block;	background: #111;	}

Fireworks fountain - Script Codes JS Codes

(function (window) { "use strict"; var Particle, p; Particle = function (x, y, speed, direction) { this.initialize(x, y, speed, direction); }; p = Particle.prototype; p.initialize = function (x, y, speed, direction) { this.position = new Vector(x, y); this.velocity = new Vector(0, 0); this.velocity.set(speed, direction); this.gravity = new Vector(0, 0); this.friction = 1; return this; }; p.setGravity = function (gravity) { this.gravity = new Vector(0, gravity); }; p.setFriction = function (friction) { this.friction = friction; }; p.accelerate = function (accel) { this.velocity.add(accel); }; p.update = function () { // add gravity this.velocity.add(this.gravity); // multiply friction this.velocity.multiply(this.friction); // position this.position.add(this.velocity); }; window.Particle = Particle;
}(window));
(function (window) { "use strict"; var Vector, p; Vector = function (x, y) { this.initialize(x, y); }; p = Vector.prototype; p.initialize = function (x, y) { this.x = x || 0; this.y = y || 0; return this; }; p.set = function (length, angle) { this.x = length * Math.cos(angle); this.y = length * Math.sin(angle); }; p.set2 = function (x, y) { this.x = x; this.y = y; }; p.getAngle = function () { return Math.atan2(this.y, this.x); }; p.getLength = function () { return Math.sqrt(this.x * this.x + this.y * this.y); }; p.add = function (vector) { this.x += vector.x; this.y += vector.y; }; p.multiply = function (value) { this.x *= value; this.y *= value; }; window.Vector = Vector;
}(window));
var canvas = document.getElementById("canvas"), context = canvas.getContext("2d"), width = canvas.width = window.innerWidth, height = canvas.height = window.innerHeight, particles = [], fireforks = [], mouseX = 0, mouseY = 0, size = 3, hue = 0, count = 0, dense = 2;
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms, 2: mb
// align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.right = '0px';
stats.domElement.style.top = '0px';
document.body.appendChild(stats.domElement);
document.body.addEventListener("mousemove", function (event) { mouseX = event.clientX; mouseY = event.clientY;
});
function createParticle() { var p = new Particle(width / 2, height, 10 + 5 * Math.random(), (1.4 + Math.random() * 0.2) * Math.PI); p.size = size; p.hue = hue; p.lightness = 40 + 40 * Math.random(); p.setGravity(0.1); p.setFriction(0.99); particles.push(p);
}
function createFirefork(x, y, _size, _hue) { var p = new Particle(x, y, 6 + 4 * Math.random(), Math.random() * 2 * Math.PI); p.size = _size / 2; p.hue = _hue; p.lightness = 40 + 40 * Math.random(); p.setGravity(0.1); p.setFriction(0.95); fireforks.push(p);
}
window.setInterval(function () { var i; if (count % 2 === 0) { for (i = 1; i <= dense; i++) { createParticle() } } if (count % 3 === 0) { for (i = 1; i <= dense; i++) { createParticle() } } if (count % 5 === 0) { for (i = 1; i <= dense; i++) { createParticle() } } count++;
}, 200);
update();
function update() { stats.begin(); context.clearRect(0, 0, canvas.width, canvas.height); var i, p, length, j, f, reducedParticles = [], reducedFireworks = []; hue += 0.5; for (i = 0, length = particles.length; i < length; i++) { p = particles[i]; p.update(); if (p.position.x > 0 && p.position.x < width && p.position.y < height && !p.explode) { reducedParticles.push(p); } } particles = reducedParticles; for (i = 0, length = particles.length; i < length; i++) { p = particles[i]; p.size += 0.015; p.lightness -= 0.3; p.hue += 1; if (Math.random() < 0.001 || Math.sqrt(Math.pow((mouseX - p.position.x), 2) + Math.pow(mouseY - p.position.y, 2)) < 3 * p.size) { p.explode = true; for (j = 0; j < 15; j++) { createFirefork(p.position.x, p.position.y, p.size, p.hue); } } context.beginPath(); context.arc(p.position.x, p.position.y, p.size, 0, Math.PI * 2, false); context.fillStyle = 'hsl(' + p.hue + ',100%, ' + p.lightness + '%)'; context.fill(); } for (i = 0; i < fireforks.length; i++) { f = fireforks[i]; if (f.lightness > 0) { reducedFireworks.push(f); } } fireforks = reducedFireworks; for (i = 0; i < fireforks.length; i++) { f = fireforks[i]; f.update(); f.lightness -= 0.5; context.beginPath(); context.arc(f.position.x, f.position.y, f.size, 0, Math.PI * 2, false); context.fillStyle = 'hsl(' + f.hue + ',100%, ' + f.lightness + '%)'; context.fill(); } stats.end(); requestAnimationFrame(update);
}
Fireworks fountain - Script Codes
Fireworks fountain - Script Codes
Home Page Home
Developer Max Huang
Username nosir
Uploaded December 26, 2022
Rating 4
Size 3,155 Kb
Views 22,264
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