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Diffstat (limited to 'extern/bullet2/BulletDynamics/ConstraintSolver/btSolverBody.h')
| -rw-r--r-- | extern/bullet2/BulletDynamics/ConstraintSolver/btSolverBody.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/extern/bullet2/BulletDynamics/ConstraintSolver/btSolverBody.h b/extern/bullet2/BulletDynamics/ConstraintSolver/btSolverBody.h deleted file mode 100644 index 8de515812ee..00000000000 --- a/extern/bullet2/BulletDynamics/ConstraintSolver/btSolverBody.h +++ /dev/null @@ -1,191 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ - -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_SOLVER_BODY_H -#define BT_SOLVER_BODY_H - -class btRigidBody; -#include "LinearMath/btVector3.h" -#include "LinearMath/btMatrix3x3.h" -#include "BulletDynamics/Dynamics/btRigidBody.h" -#include "LinearMath/btAlignedAllocator.h" -#include "LinearMath/btTransformUtil.h" - -///Until we get other contributions, only use SIMD on Windows, when using Visual Studio 2008 or later, and not double precision -#ifdef BT_USE_SSE -#define USE_SIMD 1 -#endif // - - -#ifdef USE_SIMD - -struct btSimdScalar -{ - SIMD_FORCE_INLINE btSimdScalar() - { - - } - - SIMD_FORCE_INLINE btSimdScalar(float fl) - :m_vec128 (_mm_set1_ps(fl)) - { - } - - SIMD_FORCE_INLINE btSimdScalar(__m128 v128) - :m_vec128(v128) - { - } - union - { - __m128 m_vec128; - float m_floats[4]; - int m_ints[4]; - btScalar m_unusedPadding; - }; - SIMD_FORCE_INLINE __m128 get128() - { - return m_vec128; - } - - SIMD_FORCE_INLINE const __m128 get128() const - { - return m_vec128; - } - - SIMD_FORCE_INLINE void set128(__m128 v128) - { - m_vec128 = v128; - } - - SIMD_FORCE_INLINE operator __m128() - { - return m_vec128; - } - SIMD_FORCE_INLINE operator const __m128() const - { - return m_vec128; - } - - SIMD_FORCE_INLINE operator float() const - { - return m_floats[0]; - } - -}; - -///@brief Return the elementwise product of two btSimdScalar -SIMD_FORCE_INLINE btSimdScalar -operator*(const btSimdScalar& v1, const btSimdScalar& v2) -{ - return btSimdScalar(_mm_mul_ps(v1.get128(),v2.get128())); -} - -///@brief Return the elementwise product of two btSimdScalar -SIMD_FORCE_INLINE btSimdScalar -operator+(const btSimdScalar& v1, const btSimdScalar& v2) -{ - return btSimdScalar(_mm_add_ps(v1.get128(),v2.get128())); -} - - -#else -#define btSimdScalar btScalar -#endif - -///The btSolverBody is an internal datastructure for the constraint solver. Only necessary data is packed to increase cache coherence/performance. -ATTRIBUTE_ALIGNED64 (struct) btSolverBodyObsolete -{ - BT_DECLARE_ALIGNED_ALLOCATOR(); - btVector3 m_deltaLinearVelocity; - btVector3 m_deltaAngularVelocity; - btVector3 m_angularFactor; - btVector3 m_invMass; - btRigidBody* m_originalBody; - btVector3 m_pushVelocity; - btVector3 m_turnVelocity; - - - SIMD_FORCE_INLINE void getVelocityInLocalPointObsolete(const btVector3& rel_pos, btVector3& velocity ) const - { - if (m_originalBody) - velocity = m_originalBody->getLinearVelocity()+m_deltaLinearVelocity + (m_originalBody->getAngularVelocity()+m_deltaAngularVelocity).cross(rel_pos); - else - velocity.setValue(0,0,0); - } - - SIMD_FORCE_INLINE void getAngularVelocity(btVector3& angVel) const - { - if (m_originalBody) - angVel = m_originalBody->getAngularVelocity()+m_deltaAngularVelocity; - else - angVel.setValue(0,0,0); - } - - - //Optimization for the iterative solver: avoid calculating constant terms involving inertia, normal, relative position - SIMD_FORCE_INLINE void applyImpulse(const btVector3& linearComponent, const btVector3& angularComponent,const btScalar impulseMagnitude) - { - //if (m_invMass) - { - m_deltaLinearVelocity += linearComponent*impulseMagnitude; - m_deltaAngularVelocity += angularComponent*(impulseMagnitude*m_angularFactor); - } - } - - SIMD_FORCE_INLINE void internalApplyPushImpulse(const btVector3& linearComponent, const btVector3& angularComponent,btScalar impulseMagnitude) - { - if (m_originalBody) - { - m_pushVelocity += linearComponent*impulseMagnitude; - m_turnVelocity += angularComponent*(impulseMagnitude*m_angularFactor); - } - } - - void writebackVelocity() - { - if (m_originalBody) - { - m_originalBody->setLinearVelocity(m_originalBody->getLinearVelocity()+ m_deltaLinearVelocity); - m_originalBody->setAngularVelocity(m_originalBody->getAngularVelocity()+m_deltaAngularVelocity); - - //m_originalBody->setCompanionId(-1); - } - } - - - void writebackVelocity(btScalar timeStep) - { - (void) timeStep; - if (m_originalBody) - { - m_originalBody->setLinearVelocity(m_originalBody->getLinearVelocity()+ m_deltaLinearVelocity); - m_originalBody->setAngularVelocity(m_originalBody->getAngularVelocity()+m_deltaAngularVelocity); - - //correct the position/orientation based on push/turn recovery - btTransform newTransform; - btTransformUtil::integrateTransform(m_originalBody->getWorldTransform(),m_pushVelocity,m_turnVelocity,timeStep,newTransform); - m_originalBody->setWorldTransform(newTransform); - - //m_originalBody->setCompanionId(-1); - } - } - - - -}; - -#endif //BT_SOLVER_BODY_H - - |