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- /*
- 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.matrix"]){dojo._hasResource["dojox.gfx3d.matrix"]=true;dojo.provide("dojox.gfx3d.matrix");dojox.gfx3d.matrix._degToRad=function(_1){return Math.PI*_1/180;};dojox.gfx3d.matrix._radToDeg=function(_2){return _2/Math.PI*180;};dojox.gfx3d.matrix.Matrix3D=function(_3){if(_3){if(typeof _3=="number"){this.xx=this.yy=this.zz=_3;}else{if(_3 instanceof Array){if(_3.length>0){var m=dojox.gfx3d.matrix.normalize(_3[0]);for(var i=1;i<_3.length;++i){var l=m;var r=dojox.gfx3d.matrix.normalize(_3[i]);m=new dojox.gfx3d.matrix.Matrix3D();m.xx=l.xx*r.xx+l.xy*r.yx+l.xz*r.zx;m.xy=l.xx*r.xy+l.xy*r.yy+l.xz*r.zy;m.xz=l.xx*r.xz+l.xy*r.yz+l.xz*r.zz;m.yx=l.yx*r.xx+l.yy*r.yx+l.yz*r.zx;m.yy=l.yx*r.xy+l.yy*r.yy+l.yz*r.zy;m.yz=l.yx*r.xz+l.yy*r.yz+l.yz*r.zz;m.zx=l.zx*r.xx+l.zy*r.yx+l.zz*r.zx;m.zy=l.zx*r.xy+l.zy*r.yy+l.zz*r.zy;m.zz=l.zx*r.xz+l.zy*r.yz+l.zz*r.zz;m.dx=l.xx*r.dx+l.xy*r.dy+l.xz*r.dz+l.dx;m.dy=l.yx*r.dx+l.yy*r.dy+l.yz*r.dz+l.dy;m.dz=l.zx*r.dx+l.zy*r.dy+l.zz*r.dz+l.dz;}dojo.mixin(this,m);}}else{dojo.mixin(this,_3);}}}};dojo.extend(dojox.gfx3d.matrix.Matrix3D,{xx:1,xy:0,xz:0,yx:0,yy:1,yz:0,zx:0,zy:0,zz:1,dx:0,dy:0,dz:0});dojo.mixin(dojox.gfx3d.matrix,{identity:new dojox.gfx3d.matrix.Matrix3D(),translate:function(a,b,c){if(arguments.length>1){return new dojox.gfx3d.matrix.Matrix3D({dx:a,dy:b,dz:c});}return new dojox.gfx3d.matrix.Matrix3D({dx:a.x,dy:a.y,dz:a.z});},scale:function(a,b,c){if(arguments.length>1){return new dojox.gfx3d.matrix.Matrix3D({xx:a,yy:b,zz:c});}if(typeof a=="number"){return new dojox.gfx3d.matrix.Matrix3D({xx:a,yy:a,zz:a});}return new dojox.gfx3d.matrix.Matrix3D({xx:a.x,yy:a.y,zz:a.z});},rotateX:function(_4){var c=Math.cos(_4);var s=Math.sin(_4);return new dojox.gfx3d.matrix.Matrix3D({yy:c,yz:-s,zy:s,zz:c});},rotateXg:function(_5){return dojox.gfx3d.matrix.rotateX(dojox.gfx3d.matrix._degToRad(_5));},rotateY:function(_6){var c=Math.cos(_6);var s=Math.sin(_6);return new dojox.gfx3d.matrix.Matrix3D({xx:c,xz:s,zx:-s,zz:c});},rotateYg:function(_7){return dojox.gfx3d.matrix.rotateY(dojox.gfx3d.matrix._degToRad(_7));},rotateZ:function(_8){var c=Math.cos(_8);var s=Math.sin(_8);return new dojox.gfx3d.matrix.Matrix3D({xx:c,xy:-s,yx:s,yy:c});},rotateZg:function(_9){return dojox.gfx3d.matrix.rotateZ(dojox.gfx3d.matrix._degToRad(_9));},cameraTranslate:function(a,b,c){if(arguments.length>1){return new dojox.gfx3d.matrix.Matrix3D({dx:-a,dy:-b,dz:-c});}return new dojox.gfx3d.matrix.Matrix3D({dx:-a.x,dy:-a.y,dz:-a.z});},cameraRotateX:function(_a){var c=Math.cos(-_a);var s=Math.sin(-_a);return new dojox.gfx3d.matrix.Matrix3D({yy:c,yz:-s,zy:s,zz:c});},cameraRotateXg:function(_b){return dojox.gfx3d.matrix.rotateX(dojox.gfx3d.matrix._degToRad(_b));},cameraRotateY:function(_c){var c=Math.cos(-_c);var s=Math.sin(-_c);return new dojox.gfx3d.matrix.Matrix3D({xx:c,xz:s,zx:-s,zz:c});},cameraRotateYg:function(_d){return dojox.gfx3d.matrix.rotateY(dojox.gfx3d.matrix._degToRad(_d));},cameraRotateZ:function(_e){var c=Math.cos(-_e);var s=Math.sin(-_e);return new dojox.gfx3d.matrix.Matrix3D({xx:c,xy:-s,yx:s,yy:c});},cameraRotateZg:function(_f){return dojox.gfx3d.matrix.rotateZ(dojox.gfx3d.matrix._degToRad(_f));},normalize:function(_10){return (_10 instanceof dojox.gfx3d.matrix.Matrix3D)?_10:new dojox.gfx3d.matrix.Matrix3D(_10);},clone:function(_11){var obj=new dojox.gfx3d.matrix.Matrix3D();for(var i in _11){if(typeof (_11[i])=="number"&&typeof (obj[i])=="number"&&obj[i]!=_11[i]){obj[i]=_11[i];}}return obj;},invert:function(_12){var m=dojox.gfx3d.matrix.normalize(_12);var D=m.xx*m.yy*m.zz+m.xy*m.yz*m.zx+m.xz*m.yx*m.zy-m.xx*m.yz*m.zy-m.xy*m.yx*m.zz-m.xz*m.yy*m.zx;var M=new dojox.gfx3d.matrix.Matrix3D({xx:(m.yy*m.zz-m.yz*m.zy)/D,xy:(m.xz*m.zy-m.xy*m.zz)/D,xz:(m.xy*m.yz-m.xz*m.yy)/D,yx:(m.yz*m.zx-m.yx*m.zz)/D,yy:(m.xx*m.zz-m.xz*m.zx)/D,yz:(m.xz*m.yx-m.xx*m.yz)/D,zx:(m.yx*m.zy-m.yy*m.zx)/D,zy:(m.xy*m.zx-m.xx*m.zy)/D,zz:(m.xx*m.yy-m.xy*m.yx)/D,dx:-1*(m.xy*m.yz*m.dz+m.xz*m.dy*m.zy+m.dx*m.yy*m.zz-m.xy*m.dy*m.zz-m.xz*m.yy*m.dz-m.dx*m.yz*m.zy)/D,dy:(m.xx*m.yz*m.dz+m.xz*m.dy*m.zx+m.dx*m.yx*m.zz-m.xx*m.dy*m.zz-m.xz*m.yx*m.dz-m.dx*m.yz*m.zx)/D,dz:-1*(m.xx*m.yy*m.dz+m.xy*m.dy*m.zx+m.dx*m.yx*m.zy-m.xx*m.dy*m.zy-m.xy*m.yx*m.dz-m.dx*m.yy*m.zx)/D});return M;},_multiplyPoint:function(m,x,y,z){return {x:m.xx*x+m.xy*y+m.xz*z+m.dx,y:m.yx*x+m.yy*y+m.yz*z+m.dy,z:m.zx*x+m.zy*y+m.zz*z+m.dz};},multiplyPoint:function(_13,a,b,c){var m=dojox.gfx3d.matrix.normalize(_13);if(typeof a=="number"&&typeof b=="number"&&typeof c=="number"){return dojox.gfx3d.matrix._multiplyPoint(m,a,b,c);}return dojox.gfx3d.matrix._multiplyPoint(m,a.x,a.y,a.z);},multiply:function(_14){var m=dojox.gfx3d.matrix.normalize(_14);for(var i=1;i<arguments.length;++i){var l=m;var r=dojox.gfx3d.matrix.normalize(arguments[i]);m=new dojox.gfx3d.matrix.Matrix3D();m.xx=l.xx*r.xx+l.xy*r.yx+l.xz*r.zx;m.xy=l.xx*r.xy+l.xy*r.yy+l.xz*r.zy;m.xz=l.xx*r.xz+l.xy*r.yz+l.xz*r.zz;m.yx=l.yx*r.xx+l.yy*r.yx+l.yz*r.zx;m.yy=l.yx*r.xy+l.yy*r.yy+l.yz*r.zy;m.yz=l.yx*r.xz+l.yy*r.yz+l.yz*r.zz;m.zx=l.zx*r.xx+l.zy*r.yx+l.zz*r.zx;m.zy=l.zx*r.xy+l.zy*r.yy+l.zz*r.zy;m.zz=l.zx*r.xz+l.zy*r.yz+l.zz*r.zz;m.dx=l.xx*r.dx+l.xy*r.dy+l.xz*r.dz+l.dx;m.dy=l.yx*r.dx+l.yy*r.dy+l.yz*r.dz+l.dy;m.dz=l.zx*r.dx+l.zy*r.dy+l.zz*r.dz+l.dz;}return m;},_project:function(m,x,y,z){return {x:m.xx*x+m.xy*y+m.xz*z+m.dx,y:m.yx*x+m.yy*y+m.yz*z+m.dy,z:m.zx*x+m.zy*y+m.zz*z+m.dz};},project:function(_15,a,b,c){var m=dojox.gfx3d.matrix.normalize(_15);if(typeof a=="number"&&typeof b=="number"&&typeof c=="number"){return dojox.gfx3d.matrix._project(m,a,b,c);}return dojox.gfx3d.matrix._project(m,a.x,a.y,a.z);}});dojox.gfx3d.Matrix3D=dojox.gfx3d.matrix.Matrix3D;}
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