Week7 [09/11] - [11/11]

Added Backface Culling Methods to the Model Class
Added Depth, Normal and Culled Flag Variables to the Polygon3D Class
Added Vector3D Class
Added - operator to the Vertex Class
Cleaned up Code, Adding Void to Params etc

Vertex.cpp

@@ -88,6 +88,11 @@ Vertex& Vertex::operator=(const Vertex& rhs)
 	return *this;
 }
 
+const Vector3D Vertex::operator-(const Vertex& rhs) const
+{		
+	return Vector3D(rhs.GetX() - GetX(), rhs.GetY() - GetY(), rhs.GetZ() - GetZ());
+}
+
 // The const at the end of the declaraion for '==" indicates that this operation does not change
 // any of the member variables in this class.