Added more Doxygen comments for classes in src/BulletCollision/CollisionShapes

src/BulletCollision/CollisionShapes/btTriangleBuffer.h

@@ -29,6 +29,14 @@ struct	btTriangle
 };
 
 ///btTriangleBuffer can be useful to collect and store overlapping triangles between AABB and concave objects that support 'processAllTriangles'
+///Example usage of this class:
+///			btTriangleBuffer	triBuf;
+///			concaveShape->processAllTriangles(&triBuf,aabbMin, aabbMax);
+///			for (int i=0;i<triBuf.getNumTriangles();i++)
+///			{
+///				const btTriangle& tri = triBuf.getTriangle(i);
+///				//do something useful here with the triangle
+///			}
 class btTriangleBuffer : public btTriangleCallback
 {