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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Canvas Raytracer @ Flog</title>
<script type="text/javascript" src="js/prototype.js"></script>
<script type="text/javascript" src="js/flog/color.js"></script>
<script type="text/javascript" src="js/flog/light.js"></script>
<script type="text/javascript" src="js/flog/vector.js"></script>
<script type="text/javascript" src="js/flog/ray.js"></script>
<script type="text/javascript" src="js/flog/scene.js"></script>
<script type="text/javascript" src="js/flog/material/basematerial.js"></script>
<script type="text/javascript" src="js/flog/material/solid.js"></script>
<script type="text/javascript" src="js/flog/material/chessboard.js"></script>
<script type="text/javascript" src="js/flog/shape/baseshape.js"></script>
<script type="text/javascript" src="js/flog/shape/sphere.js"></script>
<script type="text/javascript" src="js/flog/shape/plane.js"></script>
<script type="text/javascript" src="js/flog/intersectioninfo.js"></script>
<script type="text/javascript" src="js/flog/camera.js"></script>
<script type="text/javascript" src="js/flog/background.js"></script>
<script type="text/javascript" src="js/flog/engine.js"></script>
<script type="text/javascript">
function renderScene(){
var scene = new Flog.RayTracer.Scene();
scene.camera = new Flog.RayTracer.Camera(
new Flog.RayTracer.Vector(0, 0, -15),
new Flog.RayTracer.Vector(-0.2, 0, 5),
new Flog.RayTracer.Vector(0, 1, 0)
);
scene.background = new Flog.RayTracer.Background(
new Flog.RayTracer.Color(0.5, 0.5, 0.5),
0.4
);
var sphere = new Flog.RayTracer.Shape.Sphere(
new Flog.RayTracer.Vector(-1.5, 1.5, 2),
1.5,
new Flog.RayTracer.Material.Solid(
new Flog.RayTracer.Color(0,0.5,0.5),
0.3,
0.0,
0.0,
2.0
)
);
var sphere1 = new Flog.RayTracer.Shape.Sphere(
new Flog.RayTracer.Vector(1, 0.25, 1),
0.5,
new Flog.RayTracer.Material.Solid(
new Flog.RayTracer.Color(0.9,0.9,0.9),
0.1,
0.0,
0.0,
1.5
)
);
var plane = new Flog.RayTracer.Shape.Plane(
new Flog.RayTracer.Vector(0.1, 0.9, -0.5).normalize(),
1.2,
new Flog.RayTracer.Material.Chessboard(
new Flog.RayTracer.Color(1,1,1),
new Flog.RayTracer.Color(0,0,0),
0.2,
0.0,
1.0,
0.7
)
);
scene.shapes.push(plane);
scene.shapes.push(sphere);
scene.shapes.push(sphere1);
var light = new Flog.RayTracer.Light(
new Flog.RayTracer.Vector(5, 10, -1),
new Flog.RayTracer.Color(0.8, 0.8, 0.8)
);
var light1 = new Flog.RayTracer.Light(
new Flog.RayTracer.Vector(-3, 5, -15),
new Flog.RayTracer.Color(0.8, 0.8, 0.8),
100
);
scene.lights.push(light);
scene.lights.push(light1);
/* Load rendering options */
var imageWidth = $F('imageWidth');
var imageHeight = $F('imageHeight');
var pixelSize = $F('pixelSize').split(',');
var renderDiffuse = $F('renderDiffuse');
var renderShadows = $F('renderShadows');
var renderHighlights = $F('renderHighlights');
var renderReflections = $F('renderReflections');
var rayDepth = 2;//$F('rayDepth');
var raytracer = new Flog.RayTracer.Engine(
{
canvasWidth: imageWidth,
canvasHeight: imageHeight,
pixelWidth: pixelSize[0],
pixelHeight: pixelSize[1],
"renderDiffuse": renderDiffuse,
"renderHighlights": renderHighlights,
"renderShadows": renderShadows,
"renderReflections": renderReflections,
"rayDepth": rayDepth
}
);
//$("canvas").setAttribute("width", imageWidth);
//$("canvas").setAttribute("height", imageHeight);
raytracer.renderScene(scene, $("canvas"), 0);
}
function start(){
Event.observe('btnRender', 'click', renderScene);
}
window.addEventListener("load", start, false);
</script>
<style type="text/css">
body {
background: #fff;
font: 11px/1.6em Tahoma, Verdana, Arial, sans-serif;
}
canvas {
border: 5px solid #000;
background: #000;
float: left;
}
fieldset#options {
width: 180px;
margin-left: 20px;
float: left;
}
</style>
</head>
<body>
<h1>Flog.RayTracer Canvas Demo</h1>
<p>Warning: This is very CPU intensive. Your browser may appear to stop responding. I suggest using Opera, as it has
a great (fast) JavaScript processor.</p>
<canvas id="canvas" width="500" height="500" style="border:5px solid #000"></canvas>
<fieldset id="options">
<legend>Rendering Options</legend>
<fieldset>
<legend>Output</legend>
<label for="imageWidth">Image Width: </label><br />
<input type="text" id="imageWidth" value="500" />
<br />
<label for="imageHeight">Image Height: </label><br />
<input type="text" id="imageHeight" value="500" />
<br />
<label for="pixelSize">Pixel size:</label><br />
<select id="pixelSize">
<option value="20,20">Quick & nasty (20x20)</option>
<option value="10,10">Faster (10x10)</option>
<option value="5,5">Fast (5x5)</option>
<option value="2,5">Ok quality (2x5)</option>
<option value="2,2">Good quality (2x2)</option>
<option value="1,1">Best quality (1x1)</option>
</select>
</fieldset>
<fieldset>
<legend>Render</legend>
<label><input type="checkbox" id="renderDiffuse" checked="checked" /> Diffuse</label>
<br />
<label><input type="checkbox" id="renderShadows" checked="checked" /> Shadows</label>
<br />
<label><input type="checkbox" id="renderHighlights" checked="checked" /> Highlights</label>
<br />
<label><input type="checkbox" id="renderReflections" checked="checked" /> Reflections</label>
</fieldset>
<button type="button" id="btnRender">Render</button>
</fieldset>
</body>
</html>