Initial commit

Torque/SDK/engine/util/triBoxCheck.h

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+//-----------------------------------------------------------------------------
+// Torque Shader Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// AABB-triangle overlap test code originally by Tomas Akenine-M<>ller
+//               Assisted by Pierre Terdiman and David Hunt
+// http://www.cs.lth.se/home/Tomas_Akenine_Moller/code/
+// Ported to TSE by BJG, 2005-4-14
+//-----------------------------------------------------------------------------
+
+#ifndef _TRIBOXCHECK_H_
+#define _TRIBOXCHECK_H_
+
+#include "math/mPoint.h"
+#include "math/mBox.h"
+
+bool triBoxOverlap(Point3F boxcenter, Point3F boxhalfsize, Point3F triverts[3]);
+
+/// Massage stuff into right format for triBoxOverlap test. This is really
+/// just a helper function - use the other version if you want to be fast!
+inline bool triBoxOverlap(Box3F box, Point3F a, Point3F b, Point3F c)
+{
+   Point3F halfSize(box.len_x() / 2.f, box.len_y() / 2.f, box.len_z() / 2.f);
+
+   Point3F center;
+   box.getCenter(&center);
+
+   Point3F verts[3] = {a,b,c};
+
+   return triBoxOverlap(center, halfSize, verts);
+}
+
+#endif