1 files changed, 74 insertions, 0 deletions
diff --git a/extern/bullet/Bullet/CollisionShapes/Simplex1to4Shape.h b/extern/bullet/Bullet/CollisionShapes/Simplex1to4Shape.h
new file mode 100644
index 00000000000..8feb995a26c
--- /dev/null
+++ b/extern/bullet/Bullet/CollisionShapes/Simplex1to4Shape.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2005 Erwin Coumans http://www.erwincoumans.com
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies.
+ * Erwin Coumans makes no representations about the suitability 
+ * of this software for any purpose.  
+ * It is provided "as is" without express or implied warranty.
+*/
+#ifndef BU_SIMPLEX_1TO4_SHAPE
+#define BU_SIMPLEX_1TO4_SHAPE
+
+
+#include <CollisionShapes/PolyhedralConvexShape.h>
+#include "BroadphaseCollision/BroadphaseProxy.h"
+
+
+///BU_Simplex1to4 implements feature based and implicit simplex of up to 4 vertices (tetrahedron, triangle, line, vertex).
+class BU_Simplex1to4 : public PolyhedralConvexShape
+{
+protected:
+
+	int	m_numVertices;
+	SimdPoint3	m_vertices[4];
+
+public:
+	BU_Simplex1to4();
+
+	BU_Simplex1to4(const SimdPoint3& pt0);
+	BU_Simplex1to4(const SimdPoint3& pt0,const SimdPoint3& pt1);
+	BU_Simplex1to4(const SimdPoint3& pt0,const SimdPoint3& pt1,const SimdPoint3& pt2);
+	BU_Simplex1to4(const SimdPoint3& pt0,const SimdPoint3& pt1,const SimdPoint3& pt2,const SimdPoint3& pt3);
+
+    
+	void	Reset()
+	{
+		m_numVertices = 0;
+	}
+	
+	virtual void	CalculateLocalInertia(SimdScalar mass,SimdVector3& inertia)
+	{
+		inertia = SimdVector3(1.f,1.f,1.f);
+	}
+
+	virtual int	GetShapeType() const{ return TETRAHEDRAL_SHAPE_PROXYTYPE; }
+
+	void AddVertex(const SimdPoint3& pt);
+
+	//PolyhedralConvexShape interface
+
+	virtual int	GetNumVertices() const;
+
+	virtual int GetNumEdges() const;
+
+	virtual void GetEdge(int i,SimdPoint3& pa,SimdPoint3& pb) const;
+	
+	virtual void GetVertex(int i,SimdPoint3& vtx) const;
+
+	virtual int	GetNumPlanes() const;
+
+	virtual void GetPlane(SimdVector3& planeNormal,SimdPoint3& planeSupport,int i) const;
+
+	virtual int GetIndex(int i) const;
+
+	virtual	bool IsInside(const SimdPoint3& pt,SimdScalar tolerance) const;
+
+
+	///GetName is for debugging
+	virtual  char*	GetName()const { return "BU_Simplex1to4";}
+
+};
+
+#endif //BU_SIMPLEX_1TO4_SHAPE