Just a simplest particle canvas

Developer
Godje
Size
2,454 Kb
Views
42,504
  1. Just a simplest particle canvas Previews
  2. Just a simplest particle canvas HTML Codes
  3. Just a simplest particle canvas CSS Codes
  4. Just a simplest particle canvas JS Codes

How do I make an just a simplest particle canvas?

What is a just a simplest particle canvas? How do you make a just a simplest particle canvas? This script and codes were developed by Godje on 12 September 2022, Monday.

Just a simplest particle canvas Previews
IQ Test

Just a simplest particle canvas - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Just a simplest particle canvas</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canvas"></canvas> <script src="js/index.js"></script>
</body>
</html>

Just a simplest particle canvas - Script Codes CSS Codes

canvas { position: absolute; top: 0; left: 0;
}

Just a simplest particle canvas - Script Codes JS Codes

(function() { var canvasBody = document.getElementById("canvas"), ctx = canvasBody.getContext("2d"), w = canvasBody.width = window.innerWidth, h = canvasBody.height = window.innerHeight, opts = { bgColor: "rgba(200,200,200,alpha)", bgAlpha: 1, particleAmount: 100, particleStyle: "#fcc", particleSize: 2, radius: 50, blinkChance: 0.015 }, particles = [], tick = 0, mPress = false, mPos = { x: w / 2, y: h / 2, } function loop() { window.requestAnimationFrame(loop); ctx.fillStyle = "rgba(0,0,0,0.05)" ctx.fillRect(0, 0, w, h); tick++; //Pushing particles in, they won't be pushed any time, only now... while (opts.particleAmount) { particles.push(new Particle()); opts.particleAmount-- } //Calling every particle to blink and/or update particles.map(function(Particle) { Particle.update(); Particle.blink(); }); }; //The constructor of the particle. It stores all the functions and coords for the particles object function Particle() { this.x = 0; this.y = 0; this.style = opts.particleStyle; //The update function of the particle will update its position this.update = function() { var randomX = mPos.x - (Math.random() * (opts.radius * 2) - opts.radius), randomY = mPos.y - (Math.random() * (opts.radius * 2) - opts.radius); this.x = randomX; this.y = randomY; }; //And then the blink function makes those particles blink. this.blink = function() { var chance = Math.random(); if (chance < opts.blinkChance) { ctx.fillStyle = this.style; ctx.fillRect(this.x, this.y, opts.particleSize, opts.particleSize); } } }; //Calling the loop function to start the whole thing. Then, the loop will call itself by window.requestAnimationFrame loop(); //On mouseDown window.addEventListener("mousedown", function() { mPress = true; }); //On mouseUp window.addEventListener("mouseup", function() { mPress = false; }); //On mouseMove window.addEventListener("mousemove", function(e) { mPos.x = e.pageX; mPos.y = e.pageY; }) //On resize window.addEventListener("resize", function() { w = canvasBody.width = window.innerWidth; h = canvasBody.height = window.innerHeight; //centering the mouse position mouseP = { x: w / 2, y: h / 2 } });
})();
Just a simplest particle canvas - Script Codes
Just a simplest particle canvas - Script Codes
Home Page Home
Developer Godje
Username Godje
Uploaded September 12, 2022
Rating 4
Size 2,454 Kb
Views 42,504
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