@author mr.doob / http://mrdoob.com/

Ported to Dart from JS by: @author rob silverton / http://www.unwrong.com/

class Material implements IMaterial
{
 String name;
 int id;
 int side;

 num opacity;
 int blending, blendSrc, blendDst, blendEquation;
 num alphaTest;
 bool polygonOffset;
 int polygonOffsetFactor, polygonOffsetUnits;
 bool transparent, depthTest, depthWrite, overdraw;
 bool visible;

 bool needsUpdate;

 Material( { this.name: '',
             this.side: FrontSide,

             this.opacity: 1,
             this.transparent: false,

             this.blending: NormalBlending,
             this.blendSrc: SrcAlphaFactor,
             this.blendDst: OneMinusSrcAlphaFactor,
             this.blendEquation: AddEquation,

             this.depthTest: true,
             this.depthWrite: true,

             this.polygonOffset: false,
             this.polygonOffsetFactor: 0,
             this.polygonOffsetUnits:  0,

             this.alphaTest: 0,

             this.overdraw: false, // Boolean for fixing antialiasing gaps in CanvasRenderer

             this.visible: true })
     :

           id = MaterialCount ++,
           needsUpdate = true;

 // Quick hack to allow setting new properties (used by the renderer)
 Map __data;

 get _data {
   if (__data == null) {
     __data = {};
   }
   return __data;
 }

 operator [] (String key) => _data[key];
 operator []= (String key, value) => _data[key] = value;

/*
 THREE.MaterialCount = 0;

 THREE.NoShading = 0;
 THREE.FlatShading = 1;
 THREE.SmoothShading = 2;

 THREE.NoColors = 0;
 THREE.FaceColors = 1;
 THREE.VertexColors = 2;

 THREE.NormalBlending = 0;
 THREE.AdditiveBlending = 1;
 THREE.SubtractiveBlending = 2;
 THREE.MultiplyBlending = 3;
 THREE.AdditiveAlphaBlending = 4;
*/
}