| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.gfx3d.lighting"]){ |
| dojo._hasResource["dojox.gfx3d.lighting"]=true; |
| dojo.provide("dojox.gfx3d.lighting"); |
| dojo.require("dojox.gfx._base"); |
| (function(){ |
| var _1=dojox.gfx3d.lighting; |
| dojo.mixin(dojox.gfx3d.lighting,{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 _1.addColor(_1.scaleColor(s,c1),_1.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; |
| },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 _1.scale(1/_1.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)); |
| },diffuse:function(_25,_26){ |
| var c=_1.black(); |
| for(var i=0;i<_26.length;++i){ |
| var l=_26[i],d=_1.dot(_1.normalize(l.direction),_25); |
| c=_1.addColor(c,_1.scaleColor(d,l.color)); |
| } |
| return _1.saturateColor(c); |
| },specular:function(_2b,v,_2d,_2e){ |
| var c=_1.black(); |
| for(var i=0;i<_2e.length;++i){ |
| var l=_2e[i],h=_1.normalize(_1.add(_1.normalize(l.direction),v)),s=Math.pow(Math.max(0,_1.dot(_2b,h)),1/_2d); |
| c=_1.addColor(c,_1.scaleColor(s,l.color)); |
| } |
| return _1.saturateColor(c); |
| },phong:function(_34,v,_36,_37){ |
| _34=_1.normalize(_34); |
| var c=_1.black(); |
| for(var i=0;i<_37.length;++i){ |
| var l=_37[i],r=_1.reflect(_1.scale(-1,_1.normalize(v)),_34),s=Math.pow(Math.max(0,_1.dot(r,_1.normalize(l.direction))),_36); |
| c=_1.addColor(c,_1.scaleColor(s,l.color)); |
| } |
| return _1.saturateColor(c); |
| }}); |
| dojo.declare("dojox.gfx3d.lighting.Model",null,{constructor:function(_3d,_3e,_3f,_40){ |
| this.incident=_1.normalize(_3d); |
| this.lights=[]; |
| for(var i=0;i<_3e.length;++i){ |
| var l=_3e[i]; |
| this.lights.push({direction:_1.normalize(l.direction),color:_1.toStdColor(l.color)}); |
| } |
| this.ambient=_1.toStdColor(_3f.color?_3f.color:"white"); |
| this.ambient=_1.scaleColor(_3f.intensity,this.ambient); |
| this.ambient=_1.scaleColor(this.ambient.a,this.ambient); |
| this.ambient.a=1; |
| this.specular=_1.toStdColor(_40?_40:"white"); |
| this.specular=_1.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(_43,_44,_45){ |
| _45=_1.toStdColor(_45); |
| var _46=_45.a,_47=_1.scaleColor(_46,_45); |
| _47.a=_46; |
| return _1.fromStdColor(_1.saturateColor(_47)); |
| },matte:function(_48,_49,_4a){ |
| if(typeof _49=="string"){ |
| _49=_1.finish[_49]; |
| } |
| _4a=_1.toStdColor(_4a); |
| _48=_1.faceforward(_1.normalize(_48),this.incident); |
| var _4b=_1.scaleColor(_49.Ka,this.ambient),_4c=_1.saturate(-4*_1.dot(_48,this.incident)),_4d=_1.scaleColor(_4c*_49.Kd,_1.diffuse(_48,this.lights)),_4e=_1.scaleColor(_4a.a,_1.multiplyColor(_4a,_1.addColor(_4b,_4d))); |
| _4e.a=_4a.a; |
| return _1.fromStdColor(_1.saturateColor(_4e)); |
| },metal:function(_4f,_50,_51){ |
| if(typeof _50=="string"){ |
| _50=_1.finish[_50]; |
| } |
| _51=_1.toStdColor(_51); |
| _4f=_1.faceforward(_1.normalize(_4f),this.incident); |
| var v=_1.scale(-1,this.incident),_53,_54,_55=_1.scaleColor(_50.Ka,this.ambient),_56=_1.saturate(-4*_1.dot(_4f,this.incident)); |
| if("phong" in _50){ |
| _53=_1.scaleColor(_56*_50.Ks*_50.phong,_1.phong(_4f,v,_50.phong_size,this.lights)); |
| }else{ |
| _53=_1.scaleColor(_56*_50.Ks,_1.specular(_4f,v,_50.roughness,this.lights)); |
| } |
| _54=_1.scaleColor(_51.a,_1.addColor(_1.multiplyColor(_51,_55),_1.multiplyColor(this.specular,_53))); |
| _54.a=_51.a; |
| return _1.fromStdColor(_1.saturateColor(_54)); |
| },plastic:function(_57,_58,_59){ |
| if(typeof _58=="string"){ |
| _58=_1.finish[_58]; |
| } |
| _59=_1.toStdColor(_59); |
| _57=_1.faceforward(_1.normalize(_57),this.incident); |
| var v=_1.scale(-1,this.incident),_5b,_5c,_5d=_1.scaleColor(_58.Ka,this.ambient),_5e=_1.saturate(-4*_1.dot(_57,this.incident)),_5f=_1.scaleColor(_5e*_58.Kd,_1.diffuse(_57,this.lights)); |
| if("phong" in _58){ |
| _5b=_1.scaleColor(_5e*_58.Ks*_58.phong,_1.phong(_57,v,_58.phong_size,this.lights)); |
| }else{ |
| _5b=_1.scaleColor(_5e*_58.Ks,_1.specular(_57,v,_58.roughness,this.lights)); |
| } |
| _5c=_1.scaleColor(_59.a,_1.addColor(_1.multiplyColor(_59,_1.addColor(_5d,_5f)),_1.multiplyColor(this.specular,_5b))); |
| _5c.a=_59.a; |
| return _1.fromStdColor(_1.saturateColor(_5c)); |
| },npr:function(_60,_61,_62){ |
| if(typeof _61=="string"){ |
| _61=_1.finish[_61]; |
| } |
| _62=_1.toStdColor(_62); |
| _60=_1.faceforward(_1.normalize(_60),this.incident); |
| var _63=_1.scaleColor(_61.Ka,this.ambient),_64=_1.saturate(-4*_1.dot(_60,this.incident)),_65=_1.scaleColor(_64*_61.Kd,_1.diffuse(_60,this.lights)),_66=_1.scaleColor(_62.a,_1.multiplyColor(_62,_1.addColor(_63,_65))),_67=_1.addColor(this.npr_cool,_1.scaleColor(this.npr_alpha,_66)),_68=_1.addColor(this.npr_warm,_1.scaleColor(this.npr_beta,_66)),d=(1+_1.dot(this.incident,_60))/2,_66=_1.scaleColor(this.npr_scale,_1.addColor(_66,_1.mixColor(_67,_68,d))); |
| _66.a=_62.a; |
| return _1.fromStdColor(_1.saturateColor(_66)); |
| }}); |
| })(); |
| dojox.gfx3d.lighting.finish={defaults:{Ka:0.1,Kd:0.6,Ks: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,roughness:0.001},glossy:{Ka:0.1,Kd:0.6,Ks:1,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,phong:1,phong_size:200},phong_glossy:{Ka:0.1,Kd:0.6,Ks:1,phong:1,phong_size:300},luminous:{Ka:1,Kd:0,Ks:0,roughness:0.05},metalA:{Ka:0.35,Kd:0.3,Ks:0.8,roughness:1/20},metalB:{Ka:0.3,Kd:0.4,Ks:0.7,roughness:1/60},metalC:{Ka:0.25,Kd:0.5,Ks:0.8,roughness:1/80},metalD:{Ka:0.15,Kd:0.6,Ks:0.8,roughness:1/100},metalE:{Ka:0.1,Kd:0.7,Ks:0.8,roughness:1/120}}; |
| } |
