Light rays

Developer
Tristan
Size
2,677 Kb
Views
50,600
  1. Light rays Previews
  2. Light rays HTML Codes
  3. Light rays CSS Codes
  4. Light rays JS Codes

How do I make an light rays?

Simulated volumetric lighting.. What is a light rays? How do you make a light rays? This script and codes were developed by Tristan on 25 August 2022, Thursday.

Light rays Previews
IQ Test

Light rays - Script Codes HTML Codes

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

Light rays - 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)}

Light rays - 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 };	});	per = { x: w/2, y: h/2, step: 1 }	mtn = new Mountains(300,"10");	window.setInterval(animate,17);
}
function animate(){	if(!trackmouse){	per.x += per.step;	if(per.x > w)	per.step = -per.step;	if(per.x < 0)	per.step = -per.step;	} c.globalCompositeOperation = "source-over";	c.fillStyle = "rgba(20,20,20,0.2)";	c.fillRect(0,0,w,h);	mtn.draw();
}
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 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.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(30,30,20,0.1)";	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();
}
Light rays - Script Codes
Light rays - Script Codes
Home Page Home
Developer Tristan
Username sinthetyc
Uploaded August 25, 2022
Rating 3.5
Size 2,677 Kb
Views 50,600
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