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Adds a timestamp as a physics parameter.

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This commit is contained in:
mbennice
2019-03-14 15:32:45 -07:00
parent 18918389d3
commit d41e449d6f
3 changed files with 14 additions and 5 deletions
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13
examples/SharedMemory/PhysicsServerCommandProcessor.cpp
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@@ -31,7 +31,7 @@
#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h"
#include "Bullet3Common/b3HashMap.h"
#include "../Utils/ChromeTraceUtil.h"
#include "stb_image/stb_image.h"
#include "third_party/stblib/stb_image.h"
#include "BulletInverseDynamics/MultiBodyTree.hpp"
#include "IKTrajectoryHelper.h"
#include "btBulletDynamicsCommon.h"
@@ -1613,6 +1613,8 @@ struct PhysicsServerCommandProcessorInternalData
btScalar m_physicsDeltaTime;
btScalar m_numSimulationSubSteps;
btScalar m_simulationTimestamp;
btAlignedObjectArray<btMultiBodyJointFeedback*> m_multiBodyJointFeedbacks;
b3HashMap<btHashPtr, btInverseDynamics::MultiBodyTree*> m_inverseDynamicsBodies;
b3HashMap<btHashPtr, IKTrajectoryHelper*> m_inverseKinematicsHelpers;
@@ -7608,10 +7610,12 @@ bool PhysicsServerCommandProcessor::processForwardDynamicsCommand(const struct S
if (m_data->m_numSimulationSubSteps > 0)
{
numSteps = m_data->m_dynamicsWorld->stepSimulation(deltaTimeScaled, m_data->m_numSimulationSubSteps, m_data->m_physicsDeltaTime / m_data->m_numSimulationSubSteps);
m_data->m_simulationTimestamp += deltaTimeScaled;
}
else
{
numSteps = m_data->m_dynamicsWorld->stepSimulation(deltaTimeScaled, 0);
m_data->m_simulationTimestamp += deltaTimeScaled;
}
if (numSteps > 0)
@@ -8161,6 +8165,7 @@ bool PhysicsServerCommandProcessor::processRequestPhysicsSimulationParametersCom
serverCmd.m_simulationParameterResultArgs.m_allowedCcdPenetration = m_data->m_dynamicsWorld->getDispatchInfo().m_allowedCcdPenetration;
serverCmd.m_simulationParameterResultArgs.m_collisionFilterMode = m_data->m_broadphaseCollisionFilterCallback->m_filterMode;
serverCmd.m_simulationParameterResultArgs.m_deltaTime = m_data->m_physicsDeltaTime;
serverCmd.m_simulationParameterResultArgs.m_simulationTimestamp = m_data->m_simulationTimestamp;
serverCmd.m_simulationParameterResultArgs.m_contactBreakingThreshold = gContactBreakingThreshold;
serverCmd.m_simulationParameterResultArgs.m_contactSlop = m_data->m_dynamicsWorld->getSolverInfo().m_linearSlop;
serverCmd.m_simulationParameterResultArgs.m_enableSAT = m_data->m_dynamicsWorld->getDispatchInfo().m_enableSatConvex;
@@ -11718,7 +11723,9 @@ void PhysicsServerCommandProcessor::stepSimulationRealTime(double dtInSec, const
gSubStep = m_data->m_physicsDeltaTime;
}
int numSteps = m_data->m_dynamicsWorld->stepSimulation(dtInSec * simTimeScalingFactor, maxSteps, gSubStep);
btScalar deltaTimeScaled = dtInSec * simTimeScalingFactor;
int numSteps = m_data->m_dynamicsWorld->stepSimulation(deltaTimeScaled, maxSteps, gSubStep);
m_data->m_simulationTimestamp += deltaTimeScaled;
gDroppedSimulationSteps += numSteps > maxSteps ? numSteps - maxSteps : 0;
if (numSteps)
@@ -11796,7 +11803,7 @@ void PhysicsServerCommandProcessor::addTransformChangedNotifications()
void PhysicsServerCommandProcessor::resetSimulation()
{
//clean up all data
m_data->m_simulationTimestamp = 0;
m_data->m_cachedVUrdfisualShapes.clear();
#ifndef SKIP_SOFT_BODY_MULTI_BODY_DYNAMICS_WORLD