summaryrefslogtreecommitdiff
path: root/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
diff options
context:
space:
mode:
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/btPolyhedralConvexShape.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/btPolyhedralConvexShape.h')
-rw-r--r--thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
new file mode 100644
index 0000000000..7bf8e01c1f
--- /dev/null
+++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
@@ -0,0 +1,118 @@
+/*
+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_POLYHEDRAL_CONVEX_SHAPE_H
+#define BT_POLYHEDRAL_CONVEX_SHAPE_H
+
+#include "LinearMath/btMatrix3x3.h"
+#include "btConvexInternalShape.h"
+class btConvexPolyhedron;
+
+
+///The btPolyhedralConvexShape is an internal interface class for polyhedral convex shapes.
+ATTRIBUTE_ALIGNED16(class) btPolyhedralConvexShape : public btConvexInternalShape
+{
+
+
+protected:
+
+ btConvexPolyhedron* m_polyhedron;
+
+public:
+
+ BT_DECLARE_ALIGNED_ALLOCATOR();
+
+
+ btPolyhedralConvexShape();
+
+ virtual ~btPolyhedralConvexShape();
+
+ ///optional method mainly used to generate multiple contact points by clipping polyhedral features (faces/edges)
+ ///experimental/work-in-progress
+ virtual bool initializePolyhedralFeatures(int shiftVerticesByMargin=0);
+
+ const btConvexPolyhedron* getConvexPolyhedron() const
+ {
+ return m_polyhedron;
+ }
+
+ //brute force implementations
+
+ virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+ virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+
+ virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+
+ virtual int getNumVertices() const = 0 ;
+ virtual int getNumEdges() const = 0;
+ virtual void getEdge(int i,btVector3& pa,btVector3& pb) const = 0;
+ virtual void getVertex(int i,btVector3& vtx) const = 0;
+ virtual int getNumPlanes() const = 0;
+ virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const = 0;
+// virtual int getIndex(int i) const = 0 ;
+
+ virtual bool isInside(const btVector3& pt,btScalar tolerance) const = 0;
+
+};
+
+
+///The btPolyhedralConvexAabbCachingShape adds aabb caching to the btPolyhedralConvexShape
+class btPolyhedralConvexAabbCachingShape : public btPolyhedralConvexShape
+{
+
+ btVector3 m_localAabbMin;
+ btVector3 m_localAabbMax;
+ bool m_isLocalAabbValid;
+
+protected:
+
+ void setCachedLocalAabb (const btVector3& aabbMin, const btVector3& aabbMax)
+ {
+ m_isLocalAabbValid = true;
+ m_localAabbMin = aabbMin;
+ m_localAabbMax = aabbMax;
+ }
+
+ inline void getCachedLocalAabb (btVector3& aabbMin, btVector3& aabbMax) const
+ {
+ btAssert(m_isLocalAabbValid);
+ aabbMin = m_localAabbMin;
+ aabbMax = m_localAabbMax;
+ }
+
+protected:
+
+ btPolyhedralConvexAabbCachingShape();
+
+public:
+
+ inline void getNonvirtualAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax, btScalar margin) const
+ {
+
+ //lazy evaluation of local aabb
+ btAssert(m_isLocalAabbValid);
+ btTransformAabb(m_localAabbMin,m_localAabbMax,margin,trans,aabbMin,aabbMax);
+ }
+
+ virtual void setLocalScaling(const btVector3& scaling);
+
+ virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+ void recalcLocalAabb();
+
+};
+
+#endif //BT_POLYHEDRAL_CONVEX_SHAPE_H