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-rw-r--r--[-rwxr-xr-x]thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp0
-rw-r--r--[-rwxr-xr-x]thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.h0
-rw-r--r--thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.cpp5
-rw-r--r--thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.h3
4 files changed, 6 insertions, 2 deletions
diff --git a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
index cac5302a73..cac5302a73 100755..100644
--- a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
+++ b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
diff --git a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.h b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.h
index 75ca34e978..75ca34e978 100755..100644
--- a/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.h
+++ b/thirdparty/bullet/BulletDynamics/ConstraintSolver/btSliderConstraint.h
diff --git a/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.cpp b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.cpp
index bec8c6530d..7cb92fa3b4 100644
--- a/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.cpp
+++ b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.cpp
@@ -125,7 +125,8 @@ btMultiBody::btMultiBody(int n_links,
m_posVarCnt(0),
m_useRK4(false),
m_useGlobalVelocities(false),
- m_internalNeedsJointFeedback(false)
+ m_internalNeedsJointFeedback(false),
+ m_kinematic_calculate_velocity(false)
{
m_cachedInertiaTopLeft.setValue(0, 0, 0, 0, 0, 0, 0, 0, 0);
m_cachedInertiaTopRight.setValue(0, 0, 0, 0, 0, 0, 0, 0, 0);
@@ -2381,7 +2382,7 @@ const char *btMultiBody::serialize(void *dataBuffer, class btSerializer *seriali
void btMultiBody::saveKinematicState(btScalar timeStep)
{
//todo: clamp to some (user definable) safe minimum timestep, to limit maximum angular/linear velocities
- if (timeStep != btScalar(0.))
+ if (m_kinematic_calculate_velocity && timeStep != btScalar(0.))
{
btVector3 linearVelocity, angularVelocity;
btTransformUtil::calculateVelocity(getInterpolateBaseWorldTransform(), getBaseWorldTransform(), timeStep, linearVelocity, angularVelocity);
diff --git a/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.h b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.h
index 25112a6805..5a3efc9414 100644
--- a/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.h
+++ b/thirdparty/bullet/BulletDynamics/Featherstone/btMultiBody.h
@@ -823,6 +823,9 @@ private:
///the m_needsJointFeedback gets updated/computed during the stepVelocitiesMultiDof and it for internal usage only
bool m_internalNeedsJointFeedback;
+
+ //If enabled, calculate the velocity based on kinematic transform changes. Currently only implemented for the base.
+ bool m_kinematic_calculate_velocity;
};
struct btMultiBodyLinkDoubleData