initial commit

engine/Math/Plane.h

@@ -0,0 +1,51 @@
+#ifndef BLUECORE_PLANE_H
+#define BLUECORE_PLANE_H
+
+#include "Scalar.h"
+#include "Vector.h"
+
+namespace BlueCore
+{
+	template <class T>
+	class PlaneTemplate
+	{
+	public:
+		Vector3Template<T> _n;
+		T _d;
+
+		/**
+		 * contructor
+		 */
+		inline PlaneTemplate() : _d( 0. )
+		{
+		}
+		
+
+		/**
+		 * contructor
+		 */
+		inline PlaneTemplate(
+			Vector3Template<T> a,
+			Vector3Template<T> b,
+			Vector3Template<T> c )
+		{
+			_n = (a - b).cross(a - c).normalized(); 
+			_d = _n.dot( a );
+		}
+		
+
+		/**
+		 * distance
+		 */
+		inline T distance( const Vector3Template<T> a )
+		{
+			return _n.dot( a ) - _d;
+		}
+	};
+	
+	typedef PlaneTemplate<float> PlaneFloat;
+	typedef PlaneTemplate<double> PlaneDouble;
+	typedef PlaneTemplate<Scalar> Plane;
+}
+
+#endif