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Unified Diff: chrome/test/data/v8_benchmark/raytrace.js

Issue 11649054: Remove obsolete v8_benchmark. It was replaced with Octane on the perf bots. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 7 years, 11 months ago
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Index: chrome/test/data/v8_benchmark/raytrace.js
diff --git a/chrome/test/data/v8_benchmark/raytrace.js b/chrome/test/data/v8_benchmark/raytrace.js
deleted file mode 100644
index 971ef7218ee6a4060e11b8def5bbc00f4dc1a087..0000000000000000000000000000000000000000
--- a/chrome/test/data/v8_benchmark/raytrace.js
+++ /dev/null
@@ -1,904 +0,0 @@
-// The ray tracer code in this file is written by Adam Burmister. It
-// is available in its original form from:
-//
-// http://labs.flog.nz.co/raytracer/
-//
-// It has been modified slightly by Google to work as a standalone
-// benchmark, but the all the computational code remains
-// untouched. This file also contains a copy of parts of the Prototype
-// JavaScript framework which is used by the ray tracer.
-
-var RayTrace = new BenchmarkSuite('RayTrace', 739989, [
- new Benchmark('RayTrace', renderScene)
-]);
-
-
-// Variable used to hold a number that can be used to verify that
-// the scene was ray traced correctly.
-var checkNumber;
-
-
-// ------------------------------------------------------------------------
-// ------------------------------------------------------------------------
-
-// The following is a copy of parts of the Prototype JavaScript library:
-
-// Prototype JavaScript framework, version 1.5.0
-// (c) 2005-2007 Sam Stephenson
-//
-// Prototype is freely distributable under the terms of an MIT-style license.
-// For details, see the Prototype web site: http://prototype.conio.net/
-
-
-var Class = {
- create: function() {
- return function() {
- this.initialize.apply(this, arguments);
- }
- }
-};
-
-
-Object.extend = function(destination, source) {
- for (var property in source) {
- destination[property] = source[property];
- }
- return destination;
-};
-
-
-// ------------------------------------------------------------------------
-// ------------------------------------------------------------------------
-
-// The rest of this file is the actual ray tracer written by Adam
-// Burmister. It's a concatenation of the following files:
-//
-// flog/color.js
-// flog/light.js
-// flog/vector.js
-// flog/ray.js
-// flog/scene.js
-// flog/material/basematerial.js
-// flog/material/solid.js
-// flog/material/chessboard.js
-// flog/shape/baseshape.js
-// flog/shape/sphere.js
-// flog/shape/plane.js
-// flog/intersectioninfo.js
-// flog/camera.js
-// flog/background.js
-// flog/engine.js
-
-
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Color = Class.create();
-
-Flog.RayTracer.Color.prototype = {
- red : 0.0,
- green : 0.0,
- blue : 0.0,
-
- initialize : function(r, g, b) {
- if(!r) r = 0.0;
- if(!g) g = 0.0;
- if(!b) b = 0.0;
-
- this.red = r;
- this.green = g;
- this.blue = b;
- },
-
- add : function(c1, c2){
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red + c2.red;
- result.green = c1.green + c2.green;
- result.blue = c1.blue + c2.blue;
-
- return result;
- },
-
- addScalar: function(c1, s){
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red + s;
- result.green = c1.green + s;
- result.blue = c1.blue + s;
-
- result.limit();
-
- return result;
- },
-
- subtract: function(c1, c2){
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red - c2.red;
- result.green = c1.green - c2.green;
- result.blue = c1.blue - c2.blue;
-
- return result;
- },
-
- multiply : function(c1, c2) {
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red * c2.red;
- result.green = c1.green * c2.green;
- result.blue = c1.blue * c2.blue;
-
- return result;
- },
-
- multiplyScalar : function(c1, f) {
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red * f;
- result.green = c1.green * f;
- result.blue = c1.blue * f;
-
- return result;
- },
-
- divideFactor : function(c1, f) {
- var result = new Flog.RayTracer.Color(0,0,0);
-
- result.red = c1.red / f;
- result.green = c1.green / f;
- result.blue = c1.blue / f;
-
- return result;
- },
-
- limit: function(){
- this.red = (this.red > 0.0) ? ( (this.red > 1.0) ? 1.0 : this.red ) : 0.0;
- this.green = (this.green > 0.0) ? ( (this.green > 1.0) ? 1.0 : this.green ) : 0.0;
- this.blue = (this.blue > 0.0) ? ( (this.blue > 1.0) ? 1.0 : this.blue ) : 0.0;
- },
-
- distance : function(color) {
- var d = Math.abs(this.red - color.red) + Math.abs(this.green - color.green) + Math.abs(this.blue - color.blue);
- return d;
- },
-
- blend: function(c1, c2, w){
- var result = new Flog.RayTracer.Color(0,0,0);
- result = Flog.RayTracer.Color.prototype.add(
- Flog.RayTracer.Color.prototype.multiplyScalar(c1, 1 - w),
- Flog.RayTracer.Color.prototype.multiplyScalar(c2, w)
- );
- return result;
- },
-
- brightness : function() {
- var r = Math.floor(this.red*255);
- var g = Math.floor(this.green*255);
- var b = Math.floor(this.blue*255);
- return (r * 77 + g * 150 + b * 29) >> 8;
- },
-
- toString : function () {
- var r = Math.floor(this.red*255);
- var g = Math.floor(this.green*255);
- var b = Math.floor(this.blue*255);
-
- return "rgb("+ r +","+ g +","+ b +")";
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Light = Class.create();
-
-Flog.RayTracer.Light.prototype = {
- position: null,
- color: null,
- intensity: 10.0,
-
- initialize : function(pos, color, intensity) {
- this.position = pos;
- this.color = color;
- this.intensity = (intensity ? intensity : 10.0);
- },
-
- toString : function () {
- return 'Light [' + this.position.x + ',' + this.position.y + ',' + this.position.z + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Vector = Class.create();
-
-Flog.RayTracer.Vector.prototype = {
- x : 0.0,
- y : 0.0,
- z : 0.0,
-
- initialize : function(x, y, z) {
- this.x = (x ? x : 0);
- this.y = (y ? y : 0);
- this.z = (z ? z : 0);
- },
-
- copy: function(vector){
- this.x = vector.x;
- this.y = vector.y;
- this.z = vector.z;
- },
-
- normalize : function() {
- var m = this.magnitude();
- return new Flog.RayTracer.Vector(this.x / m, this.y / m, this.z / m);
- },
-
- magnitude : function() {
- return Math.sqrt((this.x * this.x) + (this.y * this.y) + (this.z * this.z));
- },
-
- cross : function(w) {
- return new Flog.RayTracer.Vector(
- -this.z * w.y + this.y * w.z,
- this.z * w.x - this.x * w.z,
- -this.y * w.x + this.x * w.y);
- },
-
- dot : function(w) {
- return this.x * w.x + this.y * w.y + this.z * w.z;
- },
-
- add : function(v, w) {
- return new Flog.RayTracer.Vector(w.x + v.x, w.y + v.y, w.z + v.z);
- },
-
- subtract : function(v, w) {
- if(!w || !v) throw 'Vectors must be defined [' + v + ',' + w + ']';
- return new Flog.RayTracer.Vector(v.x - w.x, v.y - w.y, v.z - w.z);
- },
-
- multiplyVector : function(v, w) {
- return new Flog.RayTracer.Vector(v.x * w.x, v.y * w.y, v.z * w.z);
- },
-
- multiplyScalar : function(v, w) {
- return new Flog.RayTracer.Vector(v.x * w, v.y * w, v.z * w);
- },
-
- toString : function () {
- return 'Vector [' + this.x + ',' + this.y + ',' + this.z + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Ray = Class.create();
-
-Flog.RayTracer.Ray.prototype = {
- position : null,
- direction : null,
- initialize : function(pos, dir) {
- this.position = pos;
- this.direction = dir;
- },
-
- toString : function () {
- return 'Ray [' + this.position + ',' + this.direction + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Scene = Class.create();
-
-Flog.RayTracer.Scene.prototype = {
- camera : null,
- shapes : [],
- lights : [],
- background : null,
-
- initialize : function() {
- this.camera = new Flog.RayTracer.Camera(
- new Flog.RayTracer.Vector(0,0,-5),
- new Flog.RayTracer.Vector(0,0,1),
- new Flog.RayTracer.Vector(0,1,0)
- );
- this.shapes = new Array();
- this.lights = new Array();
- this.background = new Flog.RayTracer.Background(new Flog.RayTracer.Color(0,0,0.5), 0.2);
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-if(typeof(Flog.RayTracer.Material) == 'undefined') Flog.RayTracer.Material = {};
-
-Flog.RayTracer.Material.BaseMaterial = Class.create();
-
-Flog.RayTracer.Material.BaseMaterial.prototype = {
-
- gloss: 2.0, // [0...infinity] 0 = matt
- transparency: 0.0, // 0=opaque
- reflection: 0.0, // [0...infinity] 0 = no reflection
- refraction: 0.50,
- hasTexture: false,
-
- initialize : function() {
-
- },
-
- getColor: function(u, v){
-
- },
-
- wrapUp: function(t){
- t = t % 2.0;
- if(t < -1) t += 2.0;
- if(t >= 1) t -= 2.0;
- return t;
- },
-
- toString : function () {
- return 'Material [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Material.Solid = Class.create();
-
-Flog.RayTracer.Material.Solid.prototype = Object.extend(
- new Flog.RayTracer.Material.BaseMaterial(), {
- initialize : function(color, reflection, refraction, transparency, gloss) {
- this.color = color;
- this.reflection = reflection;
- this.transparency = transparency;
- this.gloss = gloss;
- this.hasTexture = false;
- },
-
- getColor: function(u, v){
- return this.color;
- },
-
- toString : function () {
- return 'SolidMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']';
- }
- }
-);
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Material.Chessboard = Class.create();
-
-Flog.RayTracer.Material.Chessboard.prototype = Object.extend(
- new Flog.RayTracer.Material.BaseMaterial(), {
- colorEven: null,
- colorOdd: null,
- density: 0.5,
-
- initialize : function(colorEven, colorOdd, reflection, transparency, gloss, density) {
- this.colorEven = colorEven;
- this.colorOdd = colorOdd;
- this.reflection = reflection;
- this.transparency = transparency;
- this.gloss = gloss;
- this.density = density;
- this.hasTexture = true;
- },
-
- getColor: function(u, v){
- var t = this.wrapUp(u * this.density) * this.wrapUp(v * this.density);
-
- if(t < 0.0)
- return this.colorEven;
- else
- return this.colorOdd;
- },
-
- toString : function () {
- return 'ChessMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']';
- }
- }
-);
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {};
-
-Flog.RayTracer.Shape.Sphere = Class.create();
-
-Flog.RayTracer.Shape.Sphere.prototype = {
- initialize : function(pos, radius, material) {
- this.radius = radius;
- this.position = pos;
- this.material = material;
- },
-
- intersect: function(ray){
- var info = new Flog.RayTracer.IntersectionInfo();
- info.shape = this;
-
- var dst = Flog.RayTracer.Vector.prototype.subtract(ray.position, this.position);
-
- var B = dst.dot(ray.direction);
- var C = dst.dot(dst) - (this.radius * this.radius);
- var D = (B * B) - C;
-
- if(D > 0){ // intersection!
- info.isHit = true;
- info.distance = (-B) - Math.sqrt(D);
- info.position = Flog.RayTracer.Vector.prototype.add(
- ray.position,
- Flog.RayTracer.Vector.prototype.multiplyScalar(
- ray.direction,
- info.distance
- )
- );
- info.normal = Flog.RayTracer.Vector.prototype.subtract(
- info.position,
- this.position
- ).normalize();
-
- info.color = this.material.getColor(0,0);
- } else {
- info.isHit = false;
- }
- return info;
- },
-
- toString : function () {
- return 'Sphere [position=' + this.position + ', radius=' + this.radius + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {};
-
-Flog.RayTracer.Shape.Plane = Class.create();
-
-Flog.RayTracer.Shape.Plane.prototype = {
- d: 0.0,
-
- initialize : function(pos, d, material) {
- this.position = pos;
- this.d = d;
- this.material = material;
- },
-
- intersect: function(ray){
- var info = new Flog.RayTracer.IntersectionInfo();
-
- var Vd = this.position.dot(ray.direction);
- if(Vd == 0) return info; // no intersection
-
- var t = -(this.position.dot(ray.position) + this.d) / Vd;
- if(t <= 0) return info;
-
- info.shape = this;
- info.isHit = true;
- info.position = Flog.RayTracer.Vector.prototype.add(
- ray.position,
- Flog.RayTracer.Vector.prototype.multiplyScalar(
- ray.direction,
- t
- )
- );
- info.normal = this.position;
- info.distance = t;
-
- if(this.material.hasTexture){
- var vU = new Flog.RayTracer.Vector(this.position.y, this.position.z, -this.position.x);
- var vV = vU.cross(this.position);
- var u = info.position.dot(vU);
- var v = info.position.dot(vV);
- info.color = this.material.getColor(u,v);
- } else {
- info.color = this.material.getColor(0,0);
- }
-
- return info;
- },
-
- toString : function () {
- return 'Plane [' + this.position + ', d=' + this.d + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.IntersectionInfo = Class.create();
-
-Flog.RayTracer.IntersectionInfo.prototype = {
- isHit: false,
- hitCount: 0,
- shape: null,
- position: null,
- normal: null,
- color: null,
- distance: null,
-
- initialize : function() {
- this.color = new Flog.RayTracer.Color(0,0,0);
- },
-
- toString : function () {
- return 'Intersection [' + this.position + ']';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Camera = Class.create();
-
-Flog.RayTracer.Camera.prototype = {
- position: null,
- lookAt: null,
- equator: null,
- up: null,
- screen: null,
-
- initialize : function(pos, lookAt, up) {
- this.position = pos;
- this.lookAt = lookAt;
- this.up = up;
- this.equator = lookAt.normalize().cross(this.up);
- this.screen = Flog.RayTracer.Vector.prototype.add(this.position, this.lookAt);
- },
-
- getRay: function(vx, vy){
- var pos = Flog.RayTracer.Vector.prototype.subtract(
- this.screen,
- Flog.RayTracer.Vector.prototype.subtract(
- Flog.RayTracer.Vector.prototype.multiplyScalar(this.equator, vx),
- Flog.RayTracer.Vector.prototype.multiplyScalar(this.up, vy)
- )
- );
- pos.y = pos.y * -1;
- var dir = Flog.RayTracer.Vector.prototype.subtract(
- pos,
- this.position
- );
-
- var ray = new Flog.RayTracer.Ray(pos, dir.normalize());
-
- return ray;
- },
-
- toString : function () {
- return 'Ray []';
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Background = Class.create();
-
-Flog.RayTracer.Background.prototype = {
- color : null,
- ambience : 0.0,
-
- initialize : function(color, ambience) {
- this.color = color;
- this.ambience = ambience;
- }
-}
-/* Fake a Flog.* namespace */
-if(typeof(Flog) == 'undefined') var Flog = {};
-if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {};
-
-Flog.RayTracer.Engine = Class.create();
-
-Flog.RayTracer.Engine.prototype = {
- canvas: null, /* 2d context we can render to */
-
- initialize: function(options){
- this.options = Object.extend({
- canvasHeight: 100,
- canvasWidth: 100,
- pixelWidth: 2,
- pixelHeight: 2,
- renderDiffuse: false,
- renderShadows: false,
- renderHighlights: false,
- renderReflections: false,
- rayDepth: 2
- }, options || {});
-
- this.options.canvasHeight /= this.options.pixelHeight;
- this.options.canvasWidth /= this.options.pixelWidth;
-
- /* TODO: dynamically include other scripts */
- },
-
- setPixel: function(x, y, color){
- var pxW, pxH;
- pxW = this.options.pixelWidth;
- pxH = this.options.pixelHeight;
-
- if (this.canvas) {
- this.canvas.fillStyle = color.toString();
- this.canvas.fillRect (x * pxW, y * pxH, pxW, pxH);
- } else {
- if (x === y) {
- checkNumber += color.brightness();
- }
- // print(x * pxW, y * pxH, pxW, pxH);
- }
- },
-
- renderScene: function(scene, canvas){
- checkNumber = 0;
- /* Get canvas */
- if (canvas) {
- this.canvas = canvas.getContext("2d");
- } else {
- this.canvas = null;
- }
-
- var canvasHeight = this.options.canvasHeight;
- var canvasWidth = this.options.canvasWidth;
-
- for(var y=0; y < canvasHeight; y++){
- for(var x=0; x < canvasWidth; x++){
- var yp = y * 1.0 / canvasHeight * 2 - 1;
- var xp = x * 1.0 / canvasWidth * 2 - 1;
-
- var ray = scene.camera.getRay(xp, yp);
-
- var color = this.getPixelColor(ray, scene);
-
- this.setPixel(x, y, color);
- }
- }
- if (checkNumber !== 2321) {
- throw new Error("Scene rendered incorrectly");
- }
- },
-
- getPixelColor: function(ray, scene){
- var info = this.testIntersection(ray, scene, null);
- if(info.isHit){
- var color = this.rayTrace(info, ray, scene, 0);
- return color;
- }
- return scene.background.color;
- },
-
- testIntersection: function(ray, scene, exclude){
- var hits = 0;
- var best = new Flog.RayTracer.IntersectionInfo();
- best.distance = 2000;
-
- for(var i=0; i<scene.shapes.length; i++){
- var shape = scene.shapes[i];
-
- if(shape != exclude){
- var info = shape.intersect(ray);
- if(info.isHit && info.distance >= 0 && info.distance < best.distance){
- best = info;
- hits++;
- }
- }
- }
- best.hitCount = hits;
- return best;
- },
-
- getReflectionRay: function(P,N,V){
- var c1 = -N.dot(V);
- var R1 = Flog.RayTracer.Vector.prototype.add(
- Flog.RayTracer.Vector.prototype.multiplyScalar(N, 2*c1),
- V
- );
- return new Flog.RayTracer.Ray(P, R1);
- },
-
- rayTrace: function(info, ray, scene, depth){
- // Calc ambient
- var color = Flog.RayTracer.Color.prototype.multiplyScalar(info.color, scene.background.ambience);
- var oldColor = color;
- var shininess = Math.pow(10, info.shape.material.gloss + 1);
-
- for(var i=0; i<scene.lights.length; i++){
- var light = scene.lights[i];
-
- // Calc diffuse lighting
- var v = Flog.RayTracer.Vector.prototype.subtract(
- light.position,
- info.position
- ).normalize();
-
- if(this.options.renderDiffuse){
- var L = v.dot(info.normal);
- if(L > 0.0){
- color = Flog.RayTracer.Color.prototype.add(
- color,
- Flog.RayTracer.Color.prototype.multiply(
- info.color,
- Flog.RayTracer.Color.prototype.multiplyScalar(
- light.color,
- L
- )
- )
- );
- }
- }
-
- // The greater the depth the more accurate the colours, but
- // this is exponentially (!) expensive
- if(depth <= this.options.rayDepth){
- // calculate reflection ray
- if(this.options.renderReflections && info.shape.material.reflection > 0)
- {
- var reflectionRay = this.getReflectionRay(info.position, info.normal, ray.direction);
- var refl = this.testIntersection(reflectionRay, scene, info.shape);
-
- if (refl.isHit && refl.distance > 0){
- refl.color = this.rayTrace(refl, reflectionRay, scene, depth + 1);
- } else {
- refl.color = scene.background.color;
- }
-
- color = Flog.RayTracer.Color.prototype.blend(
- color,
- refl.color,
- info.shape.material.reflection
- );
- }
-
- // Refraction
- /* TODO */
- }
-
- /* Render shadows and highlights */
-
- var shadowInfo = new Flog.RayTracer.IntersectionInfo();
-
- if(this.options.renderShadows){
- var shadowRay = new Flog.RayTracer.Ray(info.position, v);
-
- shadowInfo = this.testIntersection(shadowRay, scene, info.shape);
- if(shadowInfo.isHit && shadowInfo.shape != info.shape /*&& shadowInfo.shape.type != 'PLANE'*/){
- var vA = Flog.RayTracer.Color.prototype.multiplyScalar(color, 0.5);
- var dB = (0.5 * Math.pow(shadowInfo.shape.material.transparency, 0.5));
- color = Flog.RayTracer.Color.prototype.addScalar(vA,dB);
- }
- }
-
- // Phong specular highlights
- if(this.options.renderHighlights && !shadowInfo.isHit && info.shape.material.gloss > 0){
- var Lv = Flog.RayTracer.Vector.prototype.subtract(
- info.shape.position,
- light.position
- ).normalize();
-
- var E = Flog.RayTracer.Vector.prototype.subtract(
- scene.camera.position,
- info.shape.position
- ).normalize();
-
- var H = Flog.RayTracer.Vector.prototype.subtract(
- E,
- Lv
- ).normalize();
-
- var glossWeight = Math.pow(Math.max(info.normal.dot(H), 0), shininess);
- color = Flog.RayTracer.Color.prototype.add(
- Flog.RayTracer.Color.prototype.multiplyScalar(light.color, glossWeight),
- color
- );
- }
- }
- color.limit();
- return color;
- }
-};
-
-
-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);
-
- var imageWidth = 100; // $F('imageWidth');
- var imageHeight = 100; // $F('imageHeight');
- var pixelSize = "5,5".split(','); // $F('pixelSize').split(',');
- var renderDiffuse = true; // $F('renderDiffuse');
- var renderShadows = true; // $F('renderShadows');
- var renderHighlights = true; // $F('renderHighlights');
- var renderReflections = true; // $F('renderReflections');
- var rayDepth = 2;//$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
- }
- );
-
- raytracer.renderScene(scene, null, 0);
-}
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