root / trunk / web / dojo / dojox / gfx3d / scheduler.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.gfx3d.scheduler"]){ |
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| 9 | dojo._hasResource["dojox.gfx3d.scheduler"]=true; |
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| 10 | dojo.provide("dojox.gfx3d.scheduler");
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| 11 | dojo.provide("dojox.gfx3d.drawer");
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| 12 | dojo.require("dojox.gfx3d.vector");
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| 13 | dojo.mixin(dojox.gfx3d.scheduler,{zOrder:function(_1,_2){
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| 14 | _2=_2?_2:dojox.gfx3d.scheduler.order; |
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| 15 | _1.sort(function(a,b){
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| 16 | return _2(b)-_2(a);
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| 17 | }); |
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| 18 | return _1;
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| 19 | },bsp:function(_3,_4){ |
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| 20 | _4=_4?_4:dojox.gfx3d.scheduler.outline; |
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| 21 | var p=new dojox.gfx3d.scheduler.BinarySearchTree(_3[0],_4); |
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| 22 | dojo.forEach(_3.slice(1),function(_5){ |
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| 23 | p.add(_5,_4); |
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| 24 | }); |
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| 25 | return p.iterate(_4);
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| 26 | },order:function(it){ |
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| 27 | return it.getZOrder();
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| 28 | },outline:function(it){ |
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| 29 | return it.getOutline();
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| 30 | }}); |
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| 31 | dojo.declare("dojox.gfx3d.scheduler.BinarySearchTree",null,{constructor:function(_6,_7){ |
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| 32 | this.plus=null; |
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| 33 | this.minus=null; |
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| 34 | this.object=_6;
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| 35 | var o=_7(_6);
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| 36 | this.orient=o[0]; |
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| 37 | this.normal=dojox.gfx3d.vector.normalize(o);
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| 38 | },add:function(_8,_9){ |
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| 39 | var _a=0.5,o=_9(_8),v=dojox.gfx3d.vector,n=this.normal,a=this.orient,_b=dojox.gfx3d.scheduler.BinarySearchTree; |
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| 40 | if(dojo.every(o,function(_c){ |
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| 41 | return Math.floor(_a+v.dotProduct(n,v.substract(_c,a)))<=0; |
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| 42 | })){
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| 43 | if(this.minus){ |
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| 44 | this.minus.add(_8,_9);
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| 45 | }else{
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| 46 | this.minus=new _b(_8,_9); |
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| 47 | } |
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| 48 | }else{
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| 49 | if(dojo.every(o,function(_d){ |
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| 50 | return Math.floor(_a+v.dotProduct(n,v.substract(_d,a)))>=0; |
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| 51 | })){
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| 52 | if(this.plus){ |
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| 53 | this.plus.add(_8,_9);
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| 54 | }else{
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| 55 | this.plus=new _b(_8,_9); |
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| 56 | } |
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| 57 | }else{
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| 58 | throw "The case: polygon cross siblings' plate is not implemneted yet"; |
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| 59 | } |
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| 60 | } |
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| 61 | },iterate:function(_e){ |
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| 62 | var _f=0.5; |
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| 63 | var v=dojox.gfx3d.vector;
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| 64 | var _10=[];
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| 65 | var _11=null; |
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| 66 | var _12={x:0,y:0,z:-10000}; |
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| 67 | if(Math.floor(_f+v.dotProduct(this.normal,v.substract(_12,this.orient)))<=0){ |
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| 68 | _11=[this.plus,this.minus]; |
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| 69 | }else{
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| 70 | _11=[this.minus,this.plus]; |
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| 71 | } |
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| 72 | if(_11[0]){ |
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| 73 | _10=_10.concat(_11[0].iterate());
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| 74 | } |
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| 75 | _10.push(this.object);
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| 76 | if(_11[1]){ |
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| 77 | _10=_10.concat(_11[1].iterate());
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| 78 | } |
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| 79 | return _10;
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| 80 | }}); |
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| 81 | dojo.mixin(dojox.gfx3d.drawer,{conservative:function(_13,_14,_15){
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| 82 | dojo.forEach(this.objects,function(_16){ |
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| 83 | _16.destroy(); |
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| 84 | }); |
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| 85 | dojo.forEach(_14,function(_17){
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| 86 | _17.draw(_15.lighting); |
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| 87 | }); |
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| 88 | },chart:function(_18,_19,_1a){ |
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| 89 | dojo.forEach(this.todos,function(_1b){ |
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| 90 | _1b.draw(_1a.lighting); |
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| 91 | }); |
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| 92 | }}); |
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| 93 | } |