diff options
Diffstat (limited to 'extern/bullet2/BulletCollision/CollisionShapes/btCylinderShape.cpp')
| -rw-r--r-- | extern/bullet2/BulletCollision/CollisionShapes/btCylinderShape.cpp | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/extern/bullet2/BulletCollision/CollisionShapes/btCylinderShape.cpp b/extern/bullet2/BulletCollision/CollisionShapes/btCylinderShape.cpp deleted file mode 100644 index 26880930479..00000000000 --- a/extern/bullet2/BulletCollision/CollisionShapes/btCylinderShape.cpp +++ /dev/null @@ -1,222 +0,0 @@ -/* -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. -*/ - -#include "btCylinderShape.h" - -btCylinderShape::btCylinderShape (const btVector3& halfExtents) -:btConvexInternalShape(), -m_upAxis(1) -{ - btVector3 margin(getMargin(),getMargin(),getMargin()); - m_implicitShapeDimensions = (halfExtents * m_localScaling) - margin; - m_shapeType = CYLINDER_SHAPE_PROXYTYPE; -} - - -btCylinderShapeX::btCylinderShapeX (const btVector3& halfExtents) -:btCylinderShape(halfExtents) -{ - m_upAxis = 0; - -} - - -btCylinderShapeZ::btCylinderShapeZ (const btVector3& halfExtents) -:btCylinderShape(halfExtents) -{ - m_upAxis = 2; - -} - -void btCylinderShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const -{ - btTransformAabb(getHalfExtentsWithoutMargin(),getMargin(),t,aabbMin,aabbMax); -} - -void btCylinderShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const -{ - //approximation of box shape, todo: implement cylinder shape inertia before people notice ;-) - btVector3 halfExtents = getHalfExtentsWithMargin(); - - btScalar lx=btScalar(2.)*(halfExtents.x()); - btScalar ly=btScalar(2.)*(halfExtents.y()); - btScalar lz=btScalar(2.)*(halfExtents.z()); - - inertia.setValue(mass/(btScalar(12.0)) * (ly*ly + lz*lz), - mass/(btScalar(12.0)) * (lx*lx + lz*lz), - mass/(btScalar(12.0)) * (lx*lx + ly*ly)); - -} - - -SIMD_FORCE_INLINE btVector3 CylinderLocalSupportX(const btVector3& halfExtents,const btVector3& v) -{ -const int cylinderUpAxis = 0; -const int XX = 1; -const int YY = 0; -const int ZZ = 2; - - //mapping depends on how cylinder local orientation is - // extents of the cylinder is: X,Y is for radius, and Z for height - - - btScalar radius = halfExtents[XX]; - btScalar halfHeight = halfExtents[cylinderUpAxis]; - - - btVector3 tmp; - btScalar d ; - - btScalar s = btSqrt(v[XX] * v[XX] + v[ZZ] * v[ZZ]); - if (s != btScalar(0.0)) - { - d = radius / s; - tmp[XX] = v[XX] * d; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = v[ZZ] * d; - return tmp; - } - else - { - tmp[XX] = radius; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = btScalar(0.0); - return tmp; - } - - -} - - - - - - -inline btVector3 CylinderLocalSupportY(const btVector3& halfExtents,const btVector3& v) -{ - -const int cylinderUpAxis = 1; -const int XX = 0; -const int YY = 1; -const int ZZ = 2; - - - btScalar radius = halfExtents[XX]; - btScalar halfHeight = halfExtents[cylinderUpAxis]; - - - btVector3 tmp; - btScalar d ; - - btScalar s = btSqrt(v[XX] * v[XX] + v[ZZ] * v[ZZ]); - if (s != btScalar(0.0)) - { - d = radius / s; - tmp[XX] = v[XX] * d; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = v[ZZ] * d; - return tmp; - } - else - { - tmp[XX] = radius; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = btScalar(0.0); - return tmp; - } - -} - -inline btVector3 CylinderLocalSupportZ(const btVector3& halfExtents,const btVector3& v) -{ -const int cylinderUpAxis = 2; -const int XX = 0; -const int YY = 2; -const int ZZ = 1; - - //mapping depends on how cylinder local orientation is - // extents of the cylinder is: X,Y is for radius, and Z for height - - - btScalar radius = halfExtents[XX]; - btScalar halfHeight = halfExtents[cylinderUpAxis]; - - - btVector3 tmp; - btScalar d ; - - btScalar s = btSqrt(v[XX] * v[XX] + v[ZZ] * v[ZZ]); - if (s != btScalar(0.0)) - { - d = radius / s; - tmp[XX] = v[XX] * d; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = v[ZZ] * d; - return tmp; - } - else - { - tmp[XX] = radius; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = btScalar(0.0); - return tmp; - } - - -} - -btVector3 btCylinderShapeX::localGetSupportingVertexWithoutMargin(const btVector3& vec)const -{ - return CylinderLocalSupportX(getHalfExtentsWithoutMargin(),vec); -} - - -btVector3 btCylinderShapeZ::localGetSupportingVertexWithoutMargin(const btVector3& vec)const -{ - return CylinderLocalSupportZ(getHalfExtentsWithoutMargin(),vec); -} -btVector3 btCylinderShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const -{ - return CylinderLocalSupportY(getHalfExtentsWithoutMargin(),vec); -} - -void btCylinderShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const -{ - for (int i=0;i<numVectors;i++) - { - supportVerticesOut[i] = CylinderLocalSupportY(getHalfExtentsWithoutMargin(),vectors[i]); - } -} - -void btCylinderShapeZ::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const -{ - for (int i=0;i<numVectors;i++) - { - supportVerticesOut[i] = CylinderLocalSupportZ(getHalfExtentsWithoutMargin(),vectors[i]); - } -} - - - - -void btCylinderShapeX::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const -{ - for (int i=0;i<numVectors;i++) - { - supportVerticesOut[i] = CylinderLocalSupportX(getHalfExtentsWithoutMargin(),vectors[i]); - } -} - - |