forked from bartvdbraak/blender
6f3e593105
remove constraint fixed, Bullet timestep now subdivides Blender game engine timestep, so it runs 60 hertz, SphereShape reverted to old style, so no support for non-uniform scaled spheres for now,
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
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* Copyright (c) 2005 Erwin Coumans http://continuousphysics.com/Bullet/
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies.
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* Erwin Coumans makes no representations about the suitability
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* of this software for any purpose.
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* It is provided "as is" without express or implied warranty.
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*/
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#ifndef SPHERE_MINKOWSKI_H
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#define SPHERE_MINKOWSKI_H
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#include "ConvexShape.h"
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#include "BroadphaseCollision/BroadphaseProxy.h" // for the types
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///SphereShape implements an implicit (getSupportingVertex) Sphere
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class SphereShape : public ConvexShape
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{
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SimdScalar m_radius;
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public:
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SphereShape (SimdScalar radius);
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virtual SimdVector3 LocalGetSupportingVertex(const SimdVector3& vec)const;
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virtual SimdVector3 LocalGetSupportingVertexWithoutMargin(const SimdVector3& vec)const;
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virtual void CalculateLocalInertia(SimdScalar mass,SimdVector3& inertia);
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virtual void GetAabb(const SimdTransform& t,SimdVector3& aabbMin,SimdVector3& aabbMax) const;
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virtual int GetShapeType() const { return SPHERE_SHAPE_PROXYTYPE; }
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SimdScalar GetRadius() { return m_radius;}
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//debugging
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virtual char* GetName()const {return "SPHERE";}
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virtual void SetMargin(float margin)
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{
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ConvexShape::SetMargin(margin);
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}
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virtual float GetMargin() const
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{
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//to improve gjk behaviour, use radius+margin as the full margin, so never get into the penetration case
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//this means, non-uniform scaling is not supported anymore
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return m_localScaling[0] * m_radius + ConvexShape::GetMargin();
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}
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};
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#endif //SPHERE_MINKOWSKI_H
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