Added SolidParticle Class

src/Particles/babylon.solidParticle.ts

@@ -0,0 +1,25 @@
+module BABYLON {
+
+    export class SolidParticle {
+        public idx: number; 
+        public shapeId: number;
+        public color: Color4 = new Color4(1, 1, 1, 1);
+        public position: Vector3 = Vector3.Zero();
+        public rotation: Vector3 = Vector3.Zero();
+        public quaternion: Vector4;
+        public scale: Vector3 = new Vector3(1 ,1, 1);
+        public uvs: Vector4 = new Vector4(0,0, 1,1);
+        public velocity: Vector3 = Vector3.Zero();
+        public alive: boolean = true;
+        private _pos: number;
+        private _shape: Vector3[]; 
+        private _shapeUV : number[];   
+
+        constructor(particleIndex: number, positionIndex: number, shape: Vector3[], shapeUV: number[], shapeID: number) {
+            this.idx = particleIndex;
+            this._pos = positionIndex;
+            this._shape = shape;
+            this._shapeUV = shapeUV;
+        }
+    }
+}