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-rw-r--r--thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3ContactSolverInfo.h149
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diff --git a/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3ContactSolverInfo.h b/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3ContactSolverInfo.h
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--- a/thirdparty/bullet/Bullet3Dynamics/ConstraintSolver/b3ContactSolverInfo.h
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-/*
-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 B3_CONTACT_SOLVER_INFO
-#define B3_CONTACT_SOLVER_INFO
-
-#include "Bullet3Common/b3Scalar.h"
-
-enum b3SolverMode
-{
- B3_SOLVER_RANDMIZE_ORDER = 1,
- B3_SOLVER_FRICTION_SEPARATE = 2,
- B3_SOLVER_USE_WARMSTARTING = 4,
- B3_SOLVER_USE_2_FRICTION_DIRECTIONS = 16,
- B3_SOLVER_ENABLE_FRICTION_DIRECTION_CACHING = 32,
- B3_SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION = 64,
- B3_SOLVER_CACHE_FRIENDLY = 128,
- B3_SOLVER_SIMD = 256,
- B3_SOLVER_INTERLEAVE_CONTACT_AND_FRICTION_CONSTRAINTS = 512,
- B3_SOLVER_ALLOW_ZERO_LENGTH_FRICTION_DIRECTIONS = 1024
-};
-
-struct b3ContactSolverInfoData
-{
- b3Scalar m_tau;
- b3Scalar m_damping; //global non-contact constraint damping, can be locally overridden by constraints during 'getInfo2'.
- b3Scalar m_friction;
- b3Scalar m_timeStep;
- b3Scalar m_restitution;
- int m_numIterations;
- b3Scalar m_maxErrorReduction;
- b3Scalar m_sor;
- b3Scalar m_erp; //used as Baumgarte factor
- b3Scalar m_erp2; //used in Split Impulse
- b3Scalar m_globalCfm; //constraint force mixing
- int m_splitImpulse;
- b3Scalar m_splitImpulsePenetrationThreshold;
- b3Scalar m_splitImpulseTurnErp;
- b3Scalar m_linearSlop;
- b3Scalar m_warmstartingFactor;
-
- int m_solverMode;
- int m_restingContactRestitutionThreshold;
- int m_minimumSolverBatchSize;
- b3Scalar m_maxGyroscopicForce;
- b3Scalar m_singleAxisRollingFrictionThreshold;
-};
-
-struct b3ContactSolverInfo : public b3ContactSolverInfoData
-{
- inline b3ContactSolverInfo()
- {
- m_tau = b3Scalar(0.6);
- m_damping = b3Scalar(1.0);
- m_friction = b3Scalar(0.3);
- m_timeStep = b3Scalar(1.f / 60.f);
- m_restitution = b3Scalar(0.);
- m_maxErrorReduction = b3Scalar(20.);
- m_numIterations = 10;
- m_erp = b3Scalar(0.2);
- m_erp2 = b3Scalar(0.8);
- m_globalCfm = b3Scalar(0.);
- m_sor = b3Scalar(1.);
- m_splitImpulse = true;
- m_splitImpulsePenetrationThreshold = -.04f;
- m_splitImpulseTurnErp = 0.1f;
- m_linearSlop = b3Scalar(0.0);
- m_warmstartingFactor = b3Scalar(0.85);
- //m_solverMode = B3_SOLVER_USE_WARMSTARTING | B3_SOLVER_SIMD | B3_SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION|B3_SOLVER_USE_2_FRICTION_DIRECTIONS|B3_SOLVER_ENABLE_FRICTION_DIRECTION_CACHING;// | B3_SOLVER_RANDMIZE_ORDER;
- m_solverMode = B3_SOLVER_USE_WARMSTARTING | B3_SOLVER_SIMD; // | B3_SOLVER_RANDMIZE_ORDER;
- m_restingContactRestitutionThreshold = 2; //unused as of 2.81
- m_minimumSolverBatchSize = 128; //try to combine islands until the amount of constraints reaches this limit
- m_maxGyroscopicForce = 100.f; ///only used to clamp forces for bodies that have their B3_ENABLE_GYROPSCOPIC_FORCE flag set (using b3RigidBody::setFlag)
- m_singleAxisRollingFrictionThreshold = 1e30f; ///if the velocity is above this threshold, it will use a single constraint row (axis), otherwise 3 rows.
- }
-};
-
-///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
-struct b3ContactSolverInfoDoubleData
-{
- double m_tau;
- double m_damping; //global non-contact constraint damping, can be locally overridden by constraints during 'getInfo2'.
- double m_friction;
- double m_timeStep;
- double m_restitution;
- double m_maxErrorReduction;
- double m_sor;
- double m_erp; //used as Baumgarte factor
- double m_erp2; //used in Split Impulse
- double m_globalCfm; //constraint force mixing
- double m_splitImpulsePenetrationThreshold;
- double m_splitImpulseTurnErp;
- double m_linearSlop;
- double m_warmstartingFactor;
- double m_maxGyroscopicForce;
- double m_singleAxisRollingFrictionThreshold;
-
- int m_numIterations;
- int m_solverMode;
- int m_restingContactRestitutionThreshold;
- int m_minimumSolverBatchSize;
- int m_splitImpulse;
- char m_padding[4];
-};
-///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
-struct b3ContactSolverInfoFloatData
-{
- float m_tau;
- float m_damping; //global non-contact constraint damping, can be locally overridden by constraints during 'getInfo2'.
- float m_friction;
- float m_timeStep;
-
- float m_restitution;
- float m_maxErrorReduction;
- float m_sor;
- float m_erp; //used as Baumgarte factor
-
- float m_erp2; //used in Split Impulse
- float m_globalCfm; //constraint force mixing
- float m_splitImpulsePenetrationThreshold;
- float m_splitImpulseTurnErp;
-
- float m_linearSlop;
- float m_warmstartingFactor;
- float m_maxGyroscopicForce;
- float m_singleAxisRollingFrictionThreshold;
-
- int m_numIterations;
- int m_solverMode;
- int m_restingContactRestitutionThreshold;
- int m_minimumSolverBatchSize;
-
- int m_splitImpulse;
- char m_padding[4];
-};
-
-#endif //B3_CONTACT_SOLVER_INFO