Galaxy

Developer
Giana
Size
2,744 Kb
Views
64,768
  1. Galaxy Previews
  2. Galaxy HTML Codes
  3. Galaxy CSS Codes
  4. Galaxy JS Codes

How do I make an galaxy?

Fork of Stars. What is a galaxy? How do you make a galaxy? This script and codes were developed by Giana on 12 June 2022, Sunday.

Galaxy Previews
IQ Test

Galaxy - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Galaxy</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>

Galaxy - Script Codes CSS Codes

body { background: #060e1b; overflow: hidden;
}

Galaxy - Script Codes JS Codes

"use strict";
var canvas = document.getElementById('canvas'), ctx = canvas.getContext('2d'), w = canvas.width = window.innerWidth, h = canvas.height = window.innerHeight, hue = 217, stars = [], count = 0, maxStars = 1400;
// Thanks @jackrugile for the performance tip! http://codepen.io/jackrugile/pen/BjBGoM
// Cache gradient
var canvas2 = document.createElement('canvas'), ctx2 = canvas2.getContext('2d'); canvas2.width = 100; canvas2.height = 100;
var half = canvas2.width/2, gradient2 = ctx2.createRadialGradient(half, half, 0, half, half, half); gradient2.addColorStop(0.025, '#fff'); gradient2.addColorStop(0.1, 'hsl(' + hue + ', 61%, 33%)'); gradient2.addColorStop(0.25, 'hsl(' + hue + ', 64%, 6%)'); gradient2.addColorStop(1, 'transparent'); ctx2.fillStyle = gradient2; ctx2.beginPath(); ctx2.arc(half, half, half, 0, Math.PI * 2); ctx2.fill();
// End cache
function random(min, max) { if (arguments.length < 2) { max = min; min = 0; } if (min > max) { var hold = max; max = min; min = hold; } return Math.floor(Math.random() * (max - min + 1)) + min;
}
var Star = function() { this.orbitRadius = random(w / 2 - 50); this.radius = random(100, this.orbitRadius) / 10; this.orbitX = w / 2; this.orbitY = h / 2; this.timePassed = random(0, maxStars); this.speed = random(this.orbitRadius) / 100000; this.alpha = random(2, 10) / 10; count++; stars[count] = this;
}
Star.prototype.draw = function() { var x = Math.sin(this.timePassed + 1) * this.orbitRadius + this.orbitX, y = Math.cos(this.timePassed) * this.orbitRadius/2 + this.orbitY, twinkle = random(10); if (twinkle === 1 && this.alpha > 0) { this.alpha -= 0.05; } else if (twinkle === 2 && this.alpha < 1) { this.alpha += 0.05; } ctx.globalAlpha = this.alpha; ctx.drawImage(canvas2, x - this.radius / 2, y - this.radius / 2, this.radius, this.radius); this.timePassed += this.speed;
}
for (var i = 0; i < maxStars; i++) { new Star();
}
function animation() { ctx.globalCompositeOperation = 'source-over'; ctx.globalAlpha = 0.8; ctx.fillStyle = 'hsla(' + hue + ', 64%, 6%, 1)'; ctx.fillRect(0, 0, w, h) ctx.globalCompositeOperation = 'lighter'; for (var i = 1, l = stars.length; i < l; i++) { stars[i].draw(); }; window.requestAnimationFrame(animation);
}
animation();
Galaxy - Script Codes
Galaxy - Script Codes
Home Page Home
Developer Giana
Username giana
Uploaded June 12, 2022
Rating 4.5
Size 2,744 Kb
Views 64,768
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