Initial version of new Raycast class.

library/PolyVoxCore/include/Raycast.h

@@ -0,0 +1,54 @@
+/*******************************************************************************
+Copyright (c) 2005-2009 David Williams
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+    claim that you wrote the original software. If you use this software
+    in a product, an acknowledgment in the product documentation would be
+    appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must not be
+    misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+    distribution.
+*******************************************************************************/
+
+#ifndef __PolyVox_Raycast_H__
+#define __PolyVox_Raycast_H__
+
+namespace PolyVox
+{
+	template <typename VoxelType>
+	class Raycast
+	{
+	public:
+		Raycast(Volume<VoxelType>* volData, const Vector3DFloat& v3dStart, const Vector3DFloat& v3dDirection, float fMaxDistance = 1000.0f);
+
+		void execute();
+
+		int x;
+		int y;
+		int z;
+		bool hit;
+
+	private:
+		bool doRaycast(float x1, float y1, float z1, float x2, float y2, float z2);
+
+		Volume<VoxelType>* m_volData;
+		Vector3DFloat m_v3dStart;
+		Vector3DFloat m_v3dDirection;
+		float m_fMaxDistance;
+	};
+}
+
+#include "Raycast.inl"
+
+#endif //__PolyVox_Raycast_H__