Lightrays v2

Developer
Tristan
Size
2,903 Kb
Views
32,384
  1. Lightrays v2 Previews
  2. Lightrays v2 HTML Codes
  3. Lightrays v2 CSS Codes
  4. Lightrays v2 JS Codes

How do I make an lightrays v2?

Added some colour. Update: Added colour shift for sun-rise/set.. What is a lightrays v2? How do you make a lightrays v2? This script and codes were developed by Tristan on 25 August 2022, Thursday.

Lightrays v2 Previews
IQ Test

Lightrays v2 - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Lightrays v2</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Lightrays v2 - 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:rgba(20,20,20,1)}

Lightrays v2 - Script Codes JS Codes

var canvas, c, w, h, twoPI = Math.PI * 2, mX, mY, resize = true, mousemove = true, per = { x: 0, y: 0 }, mtn, trackmouse = false;
window.onload = function(){ canvas = document.createElement('canvas') w = canvas.width = window.innerWidth - 40; h = canvas.height = window.innerHeight - 40; c = canvas.getContext('2d'); document.body.appendChild(canvas); !resize || window.addEventListener('resize', function(e){ w = canvas.width = window.innerWidth - 40; h = canvas.height = window.innerHeight - 40; }); !mousemove || canvas.addEventListener('mousemove', function(e){ trackmouse = true; mX = e.pageX-20; mY = e.pageY-20; per = { x: mX, y: mY }; }); mX = w/2; mY = w/2; per = { x: w/2, y: h/2, step: 1 } mtn = new Mountains(300,"10"); window.setInterval(animate,17);
} function newGradient(gradient){ var grad; switch(gradient.type){ case "radial": grad = c.createRadialGradient(gradient.x1, gradient.y1, gradient.r1, gradient.x1, gradient.y1, gradient.r2); break; case "linear": grad = c.createLinearGradient(gradient.x1, gradient.y1, gradient.x2, gradient.y2); break; } for(var i = 0; i < gradient.stops.length; i++){ grad.addColorStop(gradient.stops[i].s, gradient.stops[i].c); } return grad; }
function animate(){ if(!trackmouse){ per.x = mX = w/2 + Math.round(Math.cos(per.step)*w/2); per.y = mY = h/2 + Math.round(Math.sin(per.step)*h/2); per.step += 0.03; if(per.step > twoPI) per.step = 0; } c.save(); c.globalCompositeOperation = "source-over"; c.fillStyle = newGradient( { type: "radial", x1: mX, y1: mY, r1: 0, r2: w, stops: [ { s: 0, c: "rgba("+ (h-mY) +","+ (h-mY) +","+ (h-mY) +",0.5)" }, { s: 0.05, c: "rgba("+ (h-mY) +","+ (h-mY-128) +",128,0.5)" }, { s: 1, c: "rgba(0,"+ (h-mY-128) +","+ (h-mY) +",0.5)" } ] } ); c.fillRect(0,0,w,h); mtn.draw();
}
function Mountains(peaks,seed){ var points = []; this.init = function(){ var step = w / peaks, y = 0; points.push({x: 0, y: y}); for(var i = 1; i <= peaks; i++){ y = y + (Math.random() * 20)-10; points.push({x: i * step, y: y}); } }; this.draw = function(){ c.save(); //c.fillStyle = "rgba(20,20,20,1)"; c.fillStyle = newGradient({type:"linear", x1: 0, y1: 0, x2: 0, y2: h, stops: [{s:1, c:"rgba(0,0,0,1)"},{s:0, c:"rgba(80,80,80,1)"}]}); c.beginPath(); c.moveTo(points[0].x, h/2-points[0].y); for(var p = 1; p < points.length; p++){ c.lineTo(points[p].x, h/2 - points[p].y); } c.lineTo(w,h); c.lineTo(0,h); c.closePath(); c.fill(); c.restore(); c.globalCompositeOperation = "lighter"; c.fillStyle = "rgba("+(h-mY)+","+(h-mY)+","+(h-mY)+",0.03)"; for(var p = 0; p < points.length-1; p++){ var va1 = Math.atan2(h/2-points[p].y - per.y, points[p].x - per.x), va2 = Math.atan2(h/2-points[p+1].y - per.y, points[p+1].x - per.x); c.beginPath(); c.moveTo(points[p ].x, h/2-points[p].y); c.lineTo(points[p+1].x, h/2-points[p+1].y); c.lineTo(points[p+1].x + Math.cos(va2)*w, h/2-points[p+1].y + Math.sin(va2)*w); c.lineTo(points[p ].x + Math.cos(va1)*w, h/2-points[p].y + Math.sin(va1)*w); c.closePath(); c.fill(); } }; this.init();
}
Lightrays v2 - Script Codes
Lightrays v2 - Script Codes
Home Page Home
Developer Tristan
Username sinthetyc
Uploaded August 25, 2022
Rating 4.5
Size 2,903 Kb
Views 32,384
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