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Diffstat (limited to 'includes/js/dojox/gfx3d/lighting.js')
-rw-r--r-- | includes/js/dojox/gfx3d/lighting.js | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/includes/js/dojox/gfx3d/lighting.js b/includes/js/dojox/gfx3d/lighting.js deleted file mode 100644 index bbd40de..0000000 --- a/includes/js/dojox/gfx3d/lighting.js +++ /dev/null @@ -1,241 +0,0 @@ -if(!dojo._hasResource["dojox.gfx3d.lighting"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.gfx3d.lighting"] = true; -dojo.provide("dojox.gfx3d.lighting"); -dojo.require("dojox.gfx._base"); - -(function(){ - var lite = dojox.gfx3d.lighting; - - dojo.mixin(dojox.gfx3d.lighting, { - // color utilities - black: function(){ - return {r: 0, g: 0, b: 0, a: 1}; - }, - white: function(){ - return {r: 1, g: 1, b: 1, a: 1}; - }, - toStdColor: function(c){ - c = dojox.gfx.normalizeColor(c); - return {r: c.r / 255, g: c.g / 255, b: c.b / 255, a: c.a}; - }, - fromStdColor: function(c){ - return new dojo.Color([Math.round(255 * c.r), Math.round(255 * c.g), Math.round(255 * c.b), c.a]); - }, - scaleColor: function(s, c){ - return {r: s * c.r, g: s * c.g, b: s * c.b, a: s * c.a}; - }, - addColor: function(a, b){ - return {r: a.r + b.r, g: a.g + b.g, b: a.b + b.b, a: a.a + b.a}; - }, - multiplyColor: function(a, b){ - return {r: a.r * b.r, g: a.g * b.g, b: a.b * b.b, a: a.a * b.a}; - }, - saturateColor: function(c){ - return { - r: c.r < 0 ? 0 : c.r > 1 ? 1 : c.r, - g: c.g < 0 ? 0 : c.g > 1 ? 1 : c.g, - b: c.b < 0 ? 0 : c.b > 1 ? 1 : c.b, - a: c.a < 0 ? 0 : c.a > 1 ? 1 : c.a - }; - }, - mixColor: function(c1, c2, s){ - return lite.addColor(lite.scaleColor(s, c1), lite.scaleColor(1 - s, c2)); - }, - diff2Color: function(c1, c2){ - var r = c1.r - c2.r; - var g = c1.g - c2.g; - var b = c1.b - c2.b; - var a = c1.a - c2.a; - return r * r + g * g + b * b + a * a; - }, - length2Color: function(c){ - return c.r * c.r + c.g * c.g + c.b * c.b + c.a * c.a; - }, - - // vector utilities - //TODO: move vector utilities from this file to vector.js - dot: function(a, b){ - return a.x * b.x + a.y * b.y + a.z * b.z; - }, - scale: function(s, v){ - return {x: s * v.x, y: s * v.y, z: s * v.z}; - }, - add: function(a, b){ - return {x: a.x + b.x, y: a.y + b.y, z: a.z + b.z}; - }, - saturate: function(v){ - return Math.min(Math.max(v, 0), 1); - }, - length: function(v){ - return Math.sqrt(dojox.gfx3d.lighting.dot(v, v)); - }, - normalize: function(v){ - return lite.scale(1 / lite.length(v), v); - }, - faceforward: function(n, i){ - var p = dojox.gfx3d.lighting; - var s = p.dot(i, n) < 0 ? 1 : -1; - return p.scale(s, n); - }, - reflect: function(i, n){ - var p = dojox.gfx3d.lighting; - return p.add(i, p.scale(-2 * p.dot(i, n), n)); - }, - - // lighting utilities - diffuse: function(normal, lights){ - var c = lite.black(); - for(var i = 0; i < lights.length; ++i){ - var l = lights[i], - d = lite.dot(lite.normalize(l.direction), normal); - c = lite.addColor(c, lite.scaleColor(d, l.color)); - } - return lite.saturateColor(c); - }, - specular: function(normal, v, roughness, lights){ - var c = lite.black(); - for(var i = 0; i < lights.length; ++i){ - var l = lights[i], - h = lite.normalize(lite.add(lite.normalize(l.direction), v)), - s = Math.pow(Math.max(0, lite.dot(normal, h)), 1 / roughness); - c = lite.addColor(c, lite.scaleColor(s, l.color)); - } - return lite.saturateColor(c); - }, - phong: function(normal, v, size, lights){ - normal = lite.normalize(normal); - var c = lite.black(); - for(var i = 0; i < lights.length; ++i){ - var l = lights[i], - r = lite.reflect(lite.scale(-1, lite.normalize(v)), normal), - s = Math.pow(Math.max(0, lite.dot(r, lite.normalize(l.direction))), size); - c = lite.addColor(c, lite.scaleColor(s, l.color)); - } - return lite.saturateColor(c); - } - }); - - // this lighting model is derived from RenderMan Interface Specification Version 3.2 - - dojo.declare("dojox.gfx3d.lighting.Model", null, { - constructor: function(incident, lights, ambient, specular){ - this.incident = lite.normalize(incident); - this.lights = []; - for(var i = 0; i < lights.length; ++i){ - var l = lights[i]; - this.lights.push({direction: lite.normalize(l.direction), color: lite.toStdColor(l.color)}); - } - this.ambient = lite.toStdColor(ambient.color ? ambient.color : "white"); - this.ambient = lite.scaleColor(ambient.intensity, this.ambient); - this.ambient = lite.scaleColor(this.ambient.a, this.ambient); - this.ambient.a = 1; - this.specular = lite.toStdColor(specular ? specular : "white"); - this.specular = lite.scaleColor(this.specular.a, this.specular); - this.specular.a = 1; - this.npr_cool = {r: 0, g: 0, b: 0.4, a: 1}; - this.npr_warm = {r: 0.4, g: 0.4, b: 0.2, a: 1}; - this.npr_alpha = 0.2; - this.npr_beta = 0.6; - this.npr_scale = 0.6; - }, - constant: function(normal, finish, pigment){ - pigment = lite.toStdColor(pigment); - var alpha = pigment.a, color = lite.scaleColor(alpha, pigment); - color.a = alpha; - return lite.fromStdColor(lite.saturateColor(color)); - }, - matte: function(normal, finish, pigment){ - if(typeof finish == "string"){ finish = lite.finish[finish]; } - pigment = lite.toStdColor(pigment); - normal = lite.faceforward(lite.normalize(normal), this.incident); - var ambient = lite.scaleColor(finish.Ka, this.ambient), - shadow = lite.saturate(-4 * lite.dot(normal, this.incident)), - diffuse = lite.scaleColor(shadow * finish.Kd, lite.diffuse(normal, this.lights)), - color = lite.scaleColor(pigment.a, lite.multiplyColor(pigment, lite.addColor(ambient, diffuse))); - color.a = pigment.a; - return lite.fromStdColor(lite.saturateColor(color)); - }, - metal: function(normal, finish, pigment){ - if(typeof finish == "string"){ finish = lite.finish[finish]; } - pigment = lite.toStdColor(pigment); - normal = lite.faceforward(lite.normalize(normal), this.incident); - var v = lite.scale(-1, this.incident), specular, color, - ambient = lite.scaleColor(finish.Ka, this.ambient), - shadow = lite.saturate(-4 * lite.dot(normal, this.incident)); - if("phong" in finish){ - specular = lite.scaleColor(shadow * finish.Ks * finish.phong, lite.phong(normal, v, finish.phong_size, this.lights)); - }else{ - specular = lite.scaleColor(shadow * finish.Ks, lite.specular(normal, v, finish.roughness, this.lights)); - } - color = lite.scaleColor(pigment.a, lite.addColor(lite.multiplyColor(pigment, ambient), lite.multiplyColor(this.specular, specular))); - color.a = pigment.a; - return lite.fromStdColor(lite.saturateColor(color)); - }, - plastic: function(normal, finish, pigment){ - if(typeof finish == "string"){ finish = lite.finish[finish]; } - pigment = lite.toStdColor(pigment); - normal = lite.faceforward(lite.normalize(normal), this.incident); - var v = lite.scale(-1, this.incident), specular, color, - ambient = lite.scaleColor(finish.Ka, this.ambient), - shadow = lite.saturate(-4 * lite.dot(normal, this.incident)), - diffuse = lite.scaleColor(shadow * finish.Kd, lite.diffuse(normal, this.lights)); - if("phong" in finish){ - specular = lite.scaleColor(shadow * finish.Ks * finish.phong, lite.phong(normal, v, finish.phong_size, this.lights)); - }else{ - specular = lite.scaleColor(shadow * finish.Ks, lite.specular(normal, v, finish.roughness, this.lights)); - } - color = lite.scaleColor(pigment.a, lite.addColor(lite.multiplyColor(pigment, lite.addColor(ambient, diffuse)), lite.multiplyColor(this.specular, specular))); - color.a = pigment.a; - return lite.fromStdColor(lite.saturateColor(color)); - }, - npr: function(normal, finish, pigment){ - if(typeof finish == "string"){ finish = lite.finish[finish]; } - pigment = lite.toStdColor(pigment); - normal = lite.faceforward(lite.normalize(normal), this.incident); - var ambient = lite.scaleColor(finish.Ka, this.ambient), - shadow = lite.saturate(-4 * lite.dot(normal, this.incident)), - diffuse = lite.scaleColor(shadow * finish.Kd, lite.diffuse(normal, this.lights)), - color = lite.scaleColor(pigment.a, lite.multiplyColor(pigment, lite.addColor(ambient, diffuse))), - cool = lite.addColor(this.npr_cool, lite.scaleColor(this.npr_alpha, color)), - warm = lite.addColor(this.npr_warm, lite.scaleColor(this.npr_beta, color)), - d = (1 + lite.dot(this.incident, normal)) / 2, - color = lite.scaleColor(this.npr_scale, lite.addColor(color, lite.mixColor(cool, warm, d))); - color.a = pigment.a; - return lite.fromStdColor(lite.saturateColor(color)); - } - }); -})(); - -// POV-Ray basic finishes - -dojox.gfx3d.lighting.finish = { - - // Default - - defaults: {Ka: 0.1, Kd: 0.6, Ks: 0.0, roughness: 0.05}, - - dull: {Ka: 0.1, Kd: 0.6, Ks: 0.5, roughness: 0.15}, - shiny: {Ka: 0.1, Kd: 0.6, Ks: 1.0, roughness: 0.001}, - glossy: {Ka: 0.1, Kd: 0.6, Ks: 1.0, roughness: 0.0001}, - - phong_dull: {Ka: 0.1, Kd: 0.6, Ks: 0.5, phong: 0.5, phong_size: 1}, - phong_shiny: {Ka: 0.1, Kd: 0.6, Ks: 1.0, phong: 1.0, phong_size: 200}, - phong_glossy: {Ka: 0.1, Kd: 0.6, Ks: 1.0, phong: 1.0, phong_size: 300}, - - luminous: {Ka: 1.0, Kd: 0.0, Ks: 0.0, roughness: 0.05}, - - // Metals - - // very soft and dull - metalA: {Ka: 0.35, Kd: 0.3, Ks: 0.8, roughness: 1/20}, - // fairly soft and dull - metalB: {Ka: 0.30, Kd: 0.4, Ks: 0.7, roughness: 1/60}, - // medium reflectivity, holds color well - metalC: {Ka: 0.25, Kd: 0.5, Ks: 0.8, roughness: 1/80}, - // highly hard and polished, high reflectivity - metalD: {Ka: 0.15, Kd: 0.6, Ks: 0.8, roughness: 1/100}, - // very highly polished and reflective - metalE: {Ka: 0.10, Kd: 0.7, Ks: 0.8, roughness: 1/120} -}; - -} |