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authorRĂ©mi Verschelde <rverschelde@gmail.com>2018-01-13 14:43:30 +0100
committerGitHub <noreply@github.com>2018-01-13 14:43:30 +0100
commita3ee252993e8200c856be3fe664937f9461ee268 (patch)
treeaf68e434545e20c538f896e28b73f2db7d626edd /thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h
parentc01575b3125ce1828f0cacb3f9f00286136f373c (diff)
parente12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 (diff)
Merge pull request #15664 from akien-mga/thirdparty
Bugfix updates to various thirdparty libraries
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h')
-rw-r--r--thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h219
1 files changed, 219 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h
new file mode 100644
index 0000000000..a214a827c9
--- /dev/null
+++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btCylinderShape.h
@@ -0,0 +1,219 @@
+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
+
+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 BT_CYLINDER_MINKOWSKI_H
+#define BT_CYLINDER_MINKOWSKI_H
+
+#include "btBoxShape.h"
+#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types
+#include "LinearMath/btVector3.h"
+
+/// The btCylinderShape class implements a cylinder shape primitive, centered around the origin. Its central axis aligned with the Y axis. btCylinderShapeX is aligned with the X axis and btCylinderShapeZ around the Z axis.
+ATTRIBUTE_ALIGNED16(class) btCylinderShape : public btConvexInternalShape
+
+{
+
+protected:
+
+ int m_upAxis;
+
+public:
+
+BT_DECLARE_ALIGNED_ALLOCATOR();
+
+ btVector3 getHalfExtentsWithMargin() const
+ {
+ btVector3 halfExtents = getHalfExtentsWithoutMargin();
+ btVector3 margin(getMargin(),getMargin(),getMargin());
+ halfExtents += margin;
+ return halfExtents;
+ }
+
+ const btVector3& getHalfExtentsWithoutMargin() const
+ {
+ return m_implicitShapeDimensions;//changed in Bullet 2.63: assume the scaling and margin are included
+ }
+
+ btCylinderShape (const btVector3& halfExtents);
+
+ void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+ virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+ virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+
+ virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+
+ virtual void setMargin(btScalar collisionMargin)
+ {
+ //correct the m_implicitShapeDimensions for the margin
+ btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+ btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+
+ btConvexInternalShape::setMargin(collisionMargin);
+ btVector3 newMargin(getMargin(),getMargin(),getMargin());
+ m_implicitShapeDimensions = implicitShapeDimensionsWithMargin - newMargin;
+
+ }
+
+ virtual btVector3 localGetSupportingVertex(const btVector3& vec) const
+ {
+
+ btVector3 supVertex;
+ supVertex = localGetSupportingVertexWithoutMargin(vec);
+
+ if ( getMargin()!=btScalar(0.) )
+ {
+ btVector3 vecnorm = vec;
+ if (vecnorm .length2() < (SIMD_EPSILON*SIMD_EPSILON))
+ {
+ vecnorm.setValue(btScalar(-1.),btScalar(-1.),btScalar(-1.));
+ }
+ vecnorm.normalize();
+ supVertex+= getMargin() * vecnorm;
+ }
+ return supVertex;
+ }
+
+
+ //use box inertia
+ // virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+
+ int getUpAxis() const
+ {
+ return m_upAxis;
+ }
+
+ virtual btVector3 getAnisotropicRollingFrictionDirection() const
+ {
+ btVector3 aniDir(0,0,0);
+ aniDir[getUpAxis()]=1;
+ return aniDir;
+ }
+
+ virtual btScalar getRadius() const
+ {
+ return getHalfExtentsWithMargin().getX();
+ }
+
+ virtual void setLocalScaling(const btVector3& scaling)
+ {
+ btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+ btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+ btVector3 unScaledImplicitShapeDimensionsWithMargin = implicitShapeDimensionsWithMargin / m_localScaling;
+
+ btConvexInternalShape::setLocalScaling(scaling);
+
+ m_implicitShapeDimensions = (unScaledImplicitShapeDimensionsWithMargin * m_localScaling) - oldMargin;
+
+ }
+
+ //debugging
+ virtual const char* getName()const
+ {
+ return "CylinderY";
+ }
+
+ virtual int calculateSerializeBufferSize() const;
+
+ ///fills the dataBuffer and returns the struct name (and 0 on failure)
+ virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
+
+};
+
+class btCylinderShapeX : public btCylinderShape
+{
+public:
+ BT_DECLARE_ALIGNED_ALLOCATOR();
+
+ btCylinderShapeX (const btVector3& halfExtents);
+
+ virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+ virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+
+ //debugging
+ virtual const char* getName()const
+ {
+ return "CylinderX";
+ }
+
+ virtual btScalar getRadius() const
+ {
+ return getHalfExtentsWithMargin().getY();
+ }
+
+};
+
+class btCylinderShapeZ : public btCylinderShape
+{
+public:
+ BT_DECLARE_ALIGNED_ALLOCATOR();
+
+ btCylinderShapeZ (const btVector3& halfExtents);
+
+ virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+ virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+
+ //debugging
+ virtual const char* getName()const
+ {
+ return "CylinderZ";
+ }
+
+ virtual btScalar getRadius() const
+ {
+ return getHalfExtentsWithMargin().getX();
+ }
+
+};
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct btCylinderShapeData
+{
+ btConvexInternalShapeData m_convexInternalShapeData;
+
+ int m_upAxis;
+
+ char m_padding[4];
+};
+
+SIMD_FORCE_INLINE int btCylinderShape::calculateSerializeBufferSize() const
+{
+ return sizeof(btCylinderShapeData);
+}
+
+ ///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE const char* btCylinderShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+ btCylinderShapeData* shapeData = (btCylinderShapeData*) dataBuffer;
+
+ btConvexInternalShape::serialize(&shapeData->m_convexInternalShapeData,serializer);
+
+ shapeData->m_upAxis = m_upAxis;
+
+ // Fill padding with zeros to appease msan.
+ shapeData->m_padding[0] = 0;
+ shapeData->m_padding[1] = 0;
+ shapeData->m_padding[2] = 0;
+ shapeData->m_padding[3] = 0;
+
+ return "btCylinderShapeData";
+}
+
+
+
+#endif //BT_CYLINDER_MINKOWSKI_H
+