Nebular

Developer
Tristan
Size
3,189 Kb
Views
46,552
  1. Nebular Previews
  2. Nebular HTML Codes
  3. Nebular CSS Codes
  4. Nebular JS Codes

How do I make an nebular?

Nebula generator. Includes star clustering, background stars, nebula clouds and interstellar dust. Click canvas to re-draw.. What is a nebular? How do you make a nebular? This script and codes were developed by Tristan on 25 August 2022, Thursday.

Nebular Previews
IQ Test

Nebular - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Nebular</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <!-- click canvas to draw a new nebula -->
<div id="status">&nbsp;</div> <script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Nebular - Script Codes CSS Codes

*{margin:0;padding:0;-moz-box-sizing:border-box;-webkit-box-sizing:border-box}
body{font-size:75%;background:#222;font-family:arial;padding:20px 0 0 20px}
canvas{border:1px solid #181818;display:block;box-shadow:0 0 10px #111;background:#000}
#status{position:absolute;left:50%;top:50%;margin:-25px 0 0 -150px;width:300px;height:50px;background:#111;border:1px solid #181818;box-shadow:0 0 10px #000;font-size:10px;text-transform:uppercase;color:#888;text-align:center;line-height:50px;display:none;}

Nebular - Script Codes JS Codes

var canvas, c, w, h, twoPI = Math.PI * 2, mX, mY, status;
window.onload = function(){ canvas = document.createElement('canvas') w = canvas.width = window.innerWidth - 40; h = canvas.height = window.innerHeight - 40; c = canvas.getContext('2d'); status = document.getElementById("status"); document.body.appendChild(canvas); generate(); canvas.addEventListener('click', function(){ generate(); }); window.addEventListener('resize', function(){ canvas.width = w = window.innerWidth - 40; canvas.height = h = window.innerHeight - 40; });
} function generate(){ c.clearRect(0,0,w,h); status.style.display = "block"; status.innerHTML = "[ generating nebula ]"; window.setTimeout( function(){ var nebula = new Nebula(6,100); }, 100); }
function Star (x, y, r, c, b){ this.x = x; this.y = y; this.r = r; this.c = c; this.b = b;
}
function Colour (h, s, l, a){ this.h = h; this.s = s; this.l = l; this.a = a; this.fillStyle = function(){ return "hsla(" + this.h + "," + this.s + "%," + l + "%," + this.a + ")"; };
}
function Nebula (clusters,starsPerCluster){ this.points = []; this.draw = function(){ var p = this.points; // background star-field c.fillStyle = "hsla(0,100%,100%,1)"; for(var i = 0; i < 1000; i++){ c.beginPath(); c.arc(Math.random()*w, Math.random()*h, Math.random()*0.75, 0, twoPI, true); c.closePath(); c.fill(); } // nebula clouds c.globalCompositeOperation = "lighter"; for(var i = 0; i < p.length; i ++){ var grad = c.createRadialGradient(p[i].x, p[i].y, p[i].r, p[i].x, p[i].y, p[i].b); grad.addColorStop(0, "hsla(" + p[i].c.h + ",100%,20%,0.06)"); grad.addColorStop(1, "hsla(" + p[i].c.h + ",100%,20%,0)" ); c.fillStyle = grad; c.beginPath(); c.arc(p[i].x, p[i].y, p[i].b, 0, twoPI, true); c.closePath(); c.fill(); } // nebula stars for(var i = 0; i < p.length; i++){ c.beginPath(); c.arc(p[i].x, p[i].y, p[i].r, 0, twoPI, true); c.closePath(); c.fillStyle = p[i].c.fillStyle(); c.fill(); } // interstellar dust c.globalCompositeOperation = "source-over"; var x1 = 0, y1 = Math.random() * h * 0.40 + h * 0.30, x2 = w, y2 = Math.random() * h * 0.40 + h * 0.30, v1 = x2-x1, v2 = y2-y1, vD = Math.sqrt(v1*v1 + v2*v2), vA = Math.atan2(v2, v1); for(var i = 0; i < 1000; i++){ var rnd = i - 500, r = Math.abs(Math.random()*rnd/2)+10, x = x1 + (Math.cos(vA) * vD/1000 * i) + Math.random() * rnd - rnd/2, y = y1 + (Math.sin(vA) * vD/1000 * i) + Math.random() * rnd - rnd/2, grad = c.createRadialGradient(x,y,0,x,y,r); grad.addColorStop(0, "hsla(0,0%,0%,0.08)"); grad.addColorStop(1, "hsla(0,0%,0%,0)"); c.fillStyle = grad; c.beginPath(); c.arc(x,y,r,0,twoPI,true); c.closePath(); c.fill(); } c.fillStyle = "hsla(0,100%,100%,0.25)"; for(var i = 0; i < 200; i++){ c.beginPath(); c.arc(Math.random()*w, Math.random()*h, Math.random()*0.75, 0, twoPI, true); c.closePath(); c.fill(); } // close stars c.globalCompositeOperation = "lighter"; for(var i = 0; i < 5; i++){ var x = Math.random()*w, y = Math.random()*h, r = Math.random()*400, hue = Math.floor(Math.random()*360), grad = c.createRadialGradient(x,y,0,x,y,r); grad.addColorStop(0, "hsla(" + hue + "0,25%,100%,1)"); grad.addColorStop(0.01, "hsla(" + hue + ",25%,75%,0.75)"); grad.addColorStop(1, "hsla(" + hue + ",0%,0%,0)"); c.fillStyle = grad; c.beginPath(); c.arc(x,y,r,0,twoPI,true); c.closePath(); c.fill(); } window.setTimeout( function(){ status.style.display = "none"; }, 500); }; this.init = function(){ for(var j = 0; j < clusters; j++){ var x1 = Math.random() * w * 0.50 + w * 0.25, y1 = Math.random() * h * 0.40 + h * 0.30; for(var i = 0; i < starsPerCluster; i++){ var x = x1 + Math.cos(Math.random()*twoPI) * (Math.random() * 7000/(i+1)), y = y1 + Math.sin(Math.random()*twoPI) * (Math.random() * 7000/(i+1)), r = Math.random()*2; if(x > w) continue; if(x < 0) continue; if(y > h) continue; if(y < 0) continue; var col = new Colour( Math.random()*360, 50, Math.floor(Math.random()*50+50), 1 ); this.points.push( new Star(x, y, r, col, Math.random()*200) ); } } this.draw(); }; this.init();
};
Nebular - Script Codes
Nebular - Script Codes
Home Page Home
Developer Tristan
Username sinthetyc
Uploaded August 25, 2022
Rating 3.5
Size 3,189 Kb
Views 46,552
Do you need developer help for Nebular?

Find the perfect freelance services for your business! Fiverr's mission is to change how the world works together. Fiverr connects businesses with freelancers offering digital services in 500+ categories. Find Developer!

Tristan (sinthetyc) Script Codes
Name
Light rays
1 Element Loading
Particle Interaction
Tesla
Higgs-Boson
Line Segment Intersection
Hovering a Hexagon
Geese
A Better Colour Picker
Kaleidoscope
Create amazing blog posts with AI!

Jasper is the AI Content Generator that helps you and your team break through creative blocks to create amazing, original content 10X faster. Discover all the ways the Jasper AI Content Platform can help streamline your creative workflows. Start For Free!