virtual void physicsDebugDraw(int debugFlags)
{
if (m_options==eCLIENTEXAMPLE_SERVER)
{
m_physicsServer.physicsDebugDraw(debugFlags);
}
}
void PhysicsServerExample::physicsDebugDraw(int debugDrawFlags)
{
drawUserDebugLines();
///debug rendering
m_physicsServer.physicsDebugDraw(debugDrawFlags);
}
void PhysicsServerExample::stepSimulation(float deltaTime)
{
if (m_replay)
{
for (int i=0;i<100;i++)
m_physicsServer.processClientCommands();
} else
{
btClock rtc;
btScalar endTime = rtc.getTimeMilliseconds() + deltaTime*btScalar(800);
while (rtc.getTimeMilliseconds()<endTime)
{
m_physicsServer.processClientCommands();
}
}
}
void RobotControlExample::stepSimulation(float deltaTime)
{
m_physicsServer.processClientCommands();
if (m_physicsClient.isConnected())
{
SharedMemoryStatus status;
bool hasStatus = m_physicsClient.processServerStatus(status);
if (hasStatus && status.m_type == CMD_URDF_LOADING_COMPLETED)
{
for (int i=0;i<m_physicsClient.getNumJoints();i++)
{
b3JointInfo info;
m_physicsClient.getJointInfo(i,info);
b3Printf("Joint %s at q-index %d and u-index %d\n",info.m_jointName,info.m_qIndex,info.m_uIndex);
if (info.m_flags & JOINT_HAS_MOTORIZED_POWER)
{
if (m_numMotors<MAX_NUM_MOTORS)
{
char motorName[1024];
sprintf(motorName,"%s q'", info.m_jointName);
MyMotorInfo* motorInfo = &m_motorTargetVelocities[m_numMotors];
motorInfo->m_velTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
SliderParams slider(motorName,&motorInfo->m_velTarget);
slider.m_minVal=-4;
slider.m_maxVal=4;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
m_numMotors++;
}
}
}
}
if (m_physicsClient.canSubmitCommand())
{
if (m_userCommandRequests.size())
{
b3Printf("Outstanding user command requests: %d\n", m_userCommandRequests.size());
SharedMemoryCommand& cmd = m_userCommandRequests[0];
//a manual 'pop_front', we don't use 'remove' because it will re-order the commands
for (int i=1;i<m_userCommandRequests.size();i++)
{
m_userCommandRequests[i-1] = m_userCommandRequests[i];
}
m_userCommandRequests.pop_back();
m_physicsClient.submitClientCommand(cmd);
}
}
}
}
void PhysicsServerExample::stepSimulation(float deltaTime)
{
btClock rtc;
btScalar endTime = rtc.getTimeMilliseconds() + deltaTime*btScalar(800);
while (rtc.getTimeMilliseconds()<endTime)
{
m_physicsServer.processClientCommands();
}
}
virtual bool mouseButtonCallback(int button, int state, float x, float y)
{
if (m_replay)
return false;
CommonRenderInterface* renderer = m_guiHelper->getRenderInterface();
if (!renderer)
{
btAssert(0);
return false;
}
CommonWindowInterface* window = m_guiHelper->getAppInterface()->m_window;
if (state==1)
{
if(button==0 && (!window->isModifierKeyPressed(B3G_ALT) && !window->isModifierKeyPressed(B3G_CONTROL) ))
{
btVector3 camPos;
renderer->getActiveCamera()->getCameraPosition(camPos);
btVector3 rayFrom = camPos;
btVector3 rayTo = getRayTo(int(x),int(y));
m_physicsServer.pickBody(rayFrom, rayTo);
}
} else
{
if (button==0)
{
m_physicsServer.removePickingConstraint();
//remove p2p
}
}
//printf("button=%d, state=%d\n",button,state);
return false;
}
void RobotControlExample::initPhysics()
{
///for this testing we use Z-axis up
int upAxis = 2;
m_guiHelper->setUpAxis(upAxis);
createEmptyDynamicsWorld();
//todo: create a special debug drawer that will cache the lines, so we can send the debug info over the wire
m_guiHelper->createPhysicsDebugDrawer(m_dynamicsWorld);
btVector3 grav(0,0,0);
grav[upAxis] = 0;//-9.8;
this->m_dynamicsWorld->setGravity(grav);
bool allowSharedMemoryInitialization = true;
m_physicsServer.connectSharedMemory(allowSharedMemoryInitialization, m_dynamicsWorld,m_guiHelper);
if (m_guiHelper && m_guiHelper->getParameterInterface())
{
bool isTrigger = false;
createButton("Load URDF",CMD_LOAD_URDF, isTrigger);
createButton("Step Sim",CMD_STEP_FORWARD_SIMULATION, isTrigger);
createButton("Send Bullet Stream",CMD_SEND_BULLET_DATA_STREAM, isTrigger);
createButton("Get State",CMD_REQUEST_ACTUAL_STATE, isTrigger);
createButton("Send Desired State",CMD_SEND_DESIRED_STATE, isTrigger);
createButton("Create Box Collider",CMD_CREATE_BOX_COLLISION_SHAPE,isTrigger);
createButton("Set Physics Params",CMD_SEND_PHYSICS_SIMULATION_PARAMETERS,isTrigger);
createButton("Init Pose",CMD_INIT_POSE,isTrigger);
} else
{
/*
m_userCommandRequests.push_back(CMD_LOAD_URDF);
m_userCommandRequests.push_back(CMD_REQUEST_ACTUAL_STATE);
m_userCommandRequests.push_back(CMD_SEND_DESIRED_STATE);
m_userCommandRequests.push_back(CMD_REQUEST_ACTUAL_STATE);
//m_userCommandRequests.push_back(CMD_SET_JOINT_FEEDBACK);
m_userCommandRequests.push_back(CMD_CREATE_BOX_COLLISION_SHAPE);
//m_userCommandRequests.push_back(CMD_CREATE_RIGID_BODY);
m_userCommandRequests.push_back(CMD_STEP_FORWARD_SIMULATION);
m_userCommandRequests.push_back(CMD_REQUEST_ACTUAL_STATE);
m_userCommandRequests.push_back(CMD_SHUTDOWN);
*/
}
if (!m_physicsClient.connect())
{
b3Warning("Cannot eonnect to physics client");
}
}
virtual void renderScene()
{
if (m_options == eCLIENTEXAMPLE_SERVER)
{
m_physicsServer.renderScene();
}
b3DebugLines debugLines;
b3GetDebugLines(m_physicsClientHandle,&debugLines);
int numLines = debugLines.m_numDebugLines;
int lineWidth = 1;
if (1)
{
btAlignedObjectArray<btVector3FloatData> points;
points.resize(numLines*2);
btAlignedObjectArray<unsigned int> indices;
indices.resize(numLines*2);
for (int i=0;i<numLines;i++)
{
points[i*2].m_floats[0] = debugLines.m_linesFrom[i*3+0];
points[i*2].m_floats[1] = debugLines.m_linesFrom[i*3+1];
points[i*2].m_floats[2] = debugLines.m_linesFrom[i*3+2];
points[i*2+1].m_floats[0] = debugLines.m_linesTo[i*3+0];
points[i*2+1].m_floats[1] = debugLines.m_linesTo[i*3+1];
points[i*2+1].m_floats[2] = debugLines.m_linesTo[i*3+2];
indices[i*2] = i*2;
indices[i*2+1] = i*2+1;
}
float color[4] = {0.2,0.2,1,1};
if (points.size() && indices.size())
{
m_guiHelper->getRenderInterface()->drawLines(&points[0].m_floats[0],color,points.size(),sizeof(btVector3FloatData),&indices[0],indices.size(),lineWidth);
}
} else
{
for (int i=0;i<numLines;i++)
{
m_guiHelper->getRenderInterface()->drawLine(debugLines.m_linesFrom,debugLines.m_linesTo,debugLines.m_linesColor,lineWidth);
}
}
}
void PhysicsServerExample::initPhysics()
{
///for this testing we use Z-axis up
int upAxis = 2;
m_guiHelper->setUpAxis(upAxis);
createEmptyDynamicsWorld();
//todo: create a special debug drawer that will cache the lines, so we can send the debug info over the wire
m_guiHelper->createPhysicsDebugDrawer(m_dynamicsWorld);
btVector3 grav(0,0,0);
grav[upAxis] = 0;//-9.8;
this->m_dynamicsWorld->setGravity(grav);
m_isConnected = m_physicsServer.connectSharedMemory( m_dynamicsWorld,m_guiHelper);
}
virtual bool mouseMoveCallback(float x,float y)
{
CommonRenderInterface* renderer = m_guiHelper->getRenderInterface();
if (!renderer)
{
btAssert(0);
return false;
}
btVector3 rayTo = getRayTo(int(x), int(y));
btVector3 rayFrom;
renderer->getActiveCamera()->getCameraPosition(rayFrom);
m_physicsServer.movePickedBody(rayFrom,rayTo);
return false;
};
void PhysicsServerExample::initPhysics()
{
///for this testing we use Z-axis up
int upAxis = 2;
m_guiHelper->setUpAxis(upAxis);
m_threadSupport = createMotionThreadSupport(MAX_MOTION_NUM_THREADS);
for (int i=0;i<m_threadSupport->getNumTasks();i++)
{
MotionThreadLocalStorage* storage = (MotionThreadLocalStorage*) m_threadSupport->getThreadLocalMemory(i);
b3Assert(storage);
storage->threadId = i;
//storage->m_sharedMem = data->m_sharedMem;
}
for (int w=0;w<MAX_MOTION_NUM_THREADS;w++)
{
m_args[w].m_cs = m_threadSupport->createCriticalSection();
m_args[w].m_cs->setSharedParam(0,eMotionIsUnInitialized);
int numMoving = 0;
m_args[w].m_positions.resize(numMoving);
m_args[w].m_physicsServerPtr = &m_physicsServer;
int index = 0;
m_threadSupport->runTask(B3_THREAD_SCHEDULE_TASK, (void*) &this->m_args[w], w);
while (m_args[w].m_cs->getSharedParam(0)==eMotionIsUnInitialized)
{
b3Clock::usleep(1000);
}
}
m_args[0].m_cs->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->setCriticalSection(m_args[0].m_cs);
m_isConnected = m_physicsServer.connectSharedMemory( m_guiHelper);
}
void replayFromLogFile()
{
m_replay = true;
m_physicsServer.replayFromLogFile("BulletPhysicsCommandLog.bin");
}
void PhysicsServerExample::physicsDebugDraw(int debugDrawFlags)
{
///debug rendering
m_physicsServer.physicsDebugDraw(debugDrawFlags);
}
void enableCommandLogging()
{
m_physicsServer.enableCommandLogging(true,"BulletPhysicsCommandLog.bin");
}
virtual void renderScene()
{
m_physicsServer.renderScene();
}
virtual void physicsDebugDraw(int debugFlags)
{
m_physicsServer.physicsDebugDraw(debugFlags);
}
void RobotControlExample::stepSimulation(float deltaTime)
{
m_physicsServer.processClientCommands();
if (m_physicsClient.isConnected())
{
SharedMemoryStatus status;
bool hasStatus = m_physicsClient.processServerStatus(status);
if (hasStatus && status.m_type == CMD_ACTUAL_STATE_UPDATE_COMPLETED)
{
//update sensor feedback: joint force/torque data and measured joint positions
for (int i=0;i<m_numMotors;i++)
{
int jointIndex = m_motorTargetState[i].m_jointIndex;
int positionIndex = m_motorTargetState[i].m_posIndex;
int velocityIndex = m_motorTargetState[i].m_uIndex;
m_motorTargetState[i].m_measuredJointPosition = status.m_sendActualStateArgs.m_actualStateQ[positionIndex];
m_motorTargetState[i].m_measuredJointVelocity = status.m_sendActualStateArgs.m_actualStateQdot[velocityIndex];
m_motorTargetState[i].m_measuredJointForce.setValue(status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex],
status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex+1],
status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex+2]);
m_motorTargetState[i].m_measuredJointTorque.setValue(status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex+3],
status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex+4],
status.m_sendActualStateArgs.m_jointReactionForces[6*jointIndex+5]);
if (m_motorTargetState[i].m_measuredJointPosition>0.1)
{
m_motorTargetState[i].m_velTarget = -1.5;
} else
{
m_motorTargetState[i].m_velTarget = 1.5;
}
b3Printf("Joint Force (Linear) [%s]=(%f,%f,%f)\n",m_motorTargetState[i].m_jointName.c_str(),m_motorTargetState[i].m_measuredJointForce.x(),m_motorTargetState[i].m_measuredJointForce.y(),m_motorTargetState[i].m_measuredJointForce.z());
b3Printf("Joint Torque (Angular) [%s]=(%f,%f,%f)\n",m_motorTargetState[i].m_jointName.c_str(),m_motorTargetState[i].m_measuredJointTorque.x(),m_motorTargetState[i].m_measuredJointTorque.y(),m_motorTargetState[i].m_measuredJointTorque.z());
}
}
if (hasStatus && status.m_type == CMD_URDF_LOADING_COMPLETED)
{
SharedMemoryCommand sensorCommand;
sensorCommand.m_type = CMD_CREATE_SENSOR;
sensorCommand.m_createSensorArguments.m_numJointSensorChanges = 0;
for (int jointIndex=0;jointIndex<m_physicsClient.getNumJoints();jointIndex++)
{
b3JointInfo info;
m_physicsClient.getJointInfo(jointIndex,info);
if (m_verboseOutput)
{
b3Printf("Joint %s at q-index %d and u-index %d\n",info.m_jointName,info.m_qIndex,info.m_uIndex);
}
if (info.m_flags & JOINT_HAS_MOTORIZED_POWER)
{
if (m_numMotors<MAX_NUM_MOTORS)
{
switch (m_option)
{
case ROBOT_VELOCITY_CONTROL:
{
char motorName[1024];
sprintf(motorName,"%s q'", info.m_jointName);
MyMotorInfo* motorInfo = &m_motorTargetState[m_numMotors];
motorInfo->m_jointName = info.m_jointName;
motorInfo->m_velTarget = 0.f;
motorInfo->m_posTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
SliderParams slider(motorName,&motorInfo->m_velTarget);
slider.m_minVal=-4;
slider.m_maxVal=4;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
m_numMotors++;
break;
}
case ROBOT_PD_CONTROL:
{
char motorName[1024];
MyMotorInfo* motorInfo = &m_motorTargetState[m_numMotors];
motorInfo->m_jointName = info.m_jointName;
motorInfo->m_velTarget = 0.f;
motorInfo->m_posTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
motorInfo->m_posIndex = info.m_qIndex;
motorInfo->m_kp = 1;
motorInfo->m_kd = 0;
{
sprintf(motorName,"%s kp", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_kp);
slider.m_minVal=0;
slider.m_maxVal=1;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s q", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_posTarget);
slider.m_minVal=-SIMD_PI;
slider.m_maxVal=SIMD_PI;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s kd", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_kd);
slider.m_minVal=0;
slider.m_maxVal=1;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s q'", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_velTarget);
slider.m_minVal=-10;
slider.m_maxVal=10;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
m_numMotors++;
break;
}
case ROBOT_PING_PONG_JOINT_FEEDBACK:
{
if (info.m_flags & JOINT_HAS_MOTORIZED_POWER)
{
if (m_numMotors<MAX_NUM_MOTORS)
{
MyMotorInfo* motorInfo = &m_motorTargetState[m_numMotors];
motorInfo->m_jointName = info.m_jointName;
motorInfo->m_velTarget = 0.f;
motorInfo->m_posTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
motorInfo->m_posIndex = info.m_qIndex;
motorInfo->m_jointIndex = jointIndex;
sensorCommand.m_createSensorArguments.m_jointIndex[sensorCommand.m_createSensorArguments.m_numJointSensorChanges] = jointIndex;
sensorCommand.m_createSensorArguments.m_enableJointForceSensor[sensorCommand.m_createSensorArguments.m_numJointSensorChanges] = true;
sensorCommand.m_createSensorArguments.m_numJointSensorChanges++;
m_numMotors++;
}
}
break;
}
default:
{
b3Warning("Unknown control mode in RobotControlExample::stepSimulation");
}
};
}
}
}
if (sensorCommand.m_createSensorArguments.m_numJointSensorChanges)
{
enqueueCommand(sensorCommand);
}
}
if (m_physicsClient.canSubmitCommand())
{
if (m_userCommandRequests.size())
{
if (m_verboseOutput)
{
b3Printf("Outstanding user command requests: %d\n", m_userCommandRequests.size());
}
SharedMemoryCommand cmd = m_userCommandRequests[0];
//a manual 'pop_front', we don't use 'remove' because it will re-order the commands
for (int i=1;i<m_userCommandRequests.size();i++)
{
m_userCommandRequests[i-1] = m_userCommandRequests[i];
}
m_userCommandRequests.pop_back();
if (cmd.m_type == CMD_CREATE_SENSOR)
{
b3Printf("CMD_CREATE_SENSOR!\n");
}
if (cmd.m_type == CMD_SEND_BULLET_DATA_STREAM)
{
char relativeFileName[1024];
bool fileFound = b3ResourcePath::findResourcePath(cmd.m_dataStreamArguments.m_bulletFileName,relativeFileName,1024);
if (fileFound)
{
FILE *fp = fopen(relativeFileName, "rb");
if (fp)
{
fseek(fp, 0L, SEEK_END);
int mFileLen = ftell(fp);
fseek(fp, 0L, SEEK_SET);
if (mFileLen<SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE)
{
char* data = (char*)malloc(mFileLen);
fread(data, mFileLen, 1, fp);
fclose(fp);
cmd.m_dataStreamArguments.m_streamChunkLength = mFileLen;
m_physicsClient.uploadBulletFileToSharedMemory(data,mFileLen);
if (m_verboseOutput)
{
b3Printf("Loaded bullet data chunks into shared memory\n");
}
free(data);
} else
{
b3Warning("Bullet file size (%d) exceeds of streaming memory chunk size (%d)\n", mFileLen,SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
}
} else
{
b3Warning("Cannot open file %s\n", relativeFileName);
}
} else
{
b3Warning("Cannot find file %s\n", cmd.m_dataStreamArguments.m_bulletFileName);
}
}
m_physicsClient.submitClientCommand(cmd);
} else
{
if (m_numMotors)
{
SharedMemoryCommand command;
command.m_type =CMD_SEND_DESIRED_STATE;
prepareControlCommand(command);
enqueueCommand(command);
command.m_type =CMD_STEP_FORWARD_SIMULATION;
enqueueCommand(command);
command.m_type = CMD_REQUEST_ACTUAL_STATE;
enqueueCommand(command);
}
}
}
}
}
void RobotControlExample::stepSimulation(float deltaTime)
{
m_physicsServer.processClientCommands();
if (m_physicsClient.isConnected())
{
SharedMemoryStatus status;
bool hasStatus = m_physicsClient.processServerStatus(status);
if (hasStatus && status.m_type == CMD_URDF_LOADING_COMPLETED)
{
for (int i=0;i<m_physicsClient.getNumJoints();i++)
{
b3JointInfo info;
m_physicsClient.getJointInfo(i,info);
if (m_verboseOutput)
{
b3Printf("Joint %s at q-index %d and u-index %d\n",info.m_jointName,info.m_qIndex,info.m_uIndex);
}
if (info.m_flags & JOINT_HAS_MOTORIZED_POWER)
{
if (m_numMotors<MAX_NUM_MOTORS)
{
switch (m_option)
{
case ROBOT_VELOCITY_CONTROL:
{
char motorName[1024];
sprintf(motorName,"%s q'", info.m_jointName);
MyMotorInfo* motorInfo = &m_motorTargetState[m_numMotors];
motorInfo->m_velTarget = 0.f;
motorInfo->m_posTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
SliderParams slider(motorName,&motorInfo->m_velTarget);
slider.m_minVal=-4;
slider.m_maxVal=4;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
m_numMotors++;
break;
}
case ROBOT_PD_CONTROL:
{
char motorName[1024];
MyMotorInfo* motorInfo = &m_motorTargetState[m_numMotors];
motorInfo->m_velTarget = 0.f;
motorInfo->m_posTarget = 0.f;
motorInfo->m_uIndex = info.m_uIndex;
motorInfo->m_posIndex = info.m_qIndex;
motorInfo->m_kp = 1;
motorInfo->m_kd = 0;
{
sprintf(motorName,"%s kp", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_kp);
slider.m_minVal=0;
slider.m_maxVal=1;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s q", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_posTarget);
slider.m_minVal=-SIMD_PI;
slider.m_maxVal=SIMD_PI;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s kd", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_kd);
slider.m_minVal=0;
slider.m_maxVal=1;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
{
sprintf(motorName,"%s q'", info.m_jointName);
SliderParams slider(motorName,&motorInfo->m_velTarget);
slider.m_minVal=-10;
slider.m_maxVal=10;
m_guiHelper->getParameterInterface()->registerSliderFloatParameter(slider);
}
m_numMotors++;
break;
}
default:
{
b3Warning("Unknown control mode in RobotControlExample::stepSimulation");
}
};
}
}
}
}
if (m_physicsClient.canSubmitCommand())
{
if (m_userCommandRequests.size())
{
if (m_verboseOutput)
{
b3Printf("Outstanding user command requests: %d\n", m_userCommandRequests.size());
}
SharedMemoryCommand cmd = m_userCommandRequests[0];
//a manual 'pop_front', we don't use 'remove' because it will re-order the commands
for (int i=1;i<m_userCommandRequests.size();i++)
{
m_userCommandRequests[i-1] = m_userCommandRequests[i];
}
m_userCommandRequests.pop_back();
if (cmd.m_type == CMD_SEND_BULLET_DATA_STREAM)
{
char relativeFileName[1024];
bool fileFound = b3ResourcePath::findResourcePath(cmd.m_dataStreamArguments.m_bulletFileName,relativeFileName,1024);
if (fileFound)
{
FILE *fp = fopen(relativeFileName, "rb");
if (fp)
{
fseek(fp, 0L, SEEK_END);
int mFileLen = ftell(fp);
fseek(fp, 0L, SEEK_SET);
if (mFileLen<SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE)
{
char* data = (char*)malloc(mFileLen);
fread(data, mFileLen, 1, fp);
fclose(fp);
cmd.m_dataStreamArguments.m_streamChunkLength = mFileLen;
m_physicsClient.uploadBulletFileToSharedMemory(data,mFileLen);
if (m_verboseOutput)
{
b3Printf("Loaded bullet data chunks into shared memory\n");
}
free(data);
} else
{
b3Warning("Bullet file size (%d) exceeds of streaming memory chunk size (%d)\n", mFileLen,SHARED_MEMORY_MAX_STREAM_CHUNK_SIZE);
}
} else
{
b3Warning("Cannot open file %s\n", relativeFileName);
}
} else
{
b3Warning("Cannot find file %s\n", cmd.m_dataStreamArguments.m_bulletFileName);
}
}
m_physicsClient.submitClientCommand(cmd);
} else
{
if (m_numMotors)
{
SharedMemoryCommand command;
command.m_type =CMD_SEND_DESIRED_STATE;
prepareControlCommand(command);
enqueueCommand(command);
command.m_type =CMD_STEP_FORWARD_SIMULATION;
enqueueCommand(command);
}
}
}
}
}
void PhysicsServerExample::renderScene()
{
///debug rendering
m_physicsServer.renderScene();
}
void PhysicsServerExample::renderScene()
{
#if 0
///little VR test to follow/drive Husky vehicle
if (gHuskyId >= 0)
{
gVRTeleportPos1 = huskyTr.getOrigin();
gVRTeleportOrn = huskyTr.getRotation();
}
#endif
B3_PROFILE("PhysicsServerExample::RenderScene");
drawUserDebugLines();
if (gEnableRealTimeSimVR)
{
static int frameCount=0;
static btScalar prevTime = m_clock.getTimeSeconds();
frameCount++;
static btScalar worseFps = 1000000;
int numFrames = 200;
static int count = 0;
count++;
#if 0
if (0 == (count & 1))
{
btScalar curTime = m_clock.getTimeSeconds();
btScalar fps = 1. / (curTime - prevTime);
prevTime = curTime;
if (fps < worseFps)
{
worseFps = fps;
}
if (count > numFrames)
{
count = 0;
sprintf(line0, "fps:%f frame:%d", worseFps, frameCount / 2);
sprintf(line1, "drop:%d tscale:%f dt:%f, substep %f)", gDroppedSimulationSteps, simTimeScalingFactor,gDtInSec, gSubStep);
gDroppedSimulationSteps = 0;
worseFps = 1000000;
}
}
#endif
#ifdef BT_ENABLE_VR
if ((gInternalSimFlags&2 ) && m_tinyVrGui==0)
{
ComboBoxParams comboParams;
comboParams.m_comboboxId = 0;
comboParams.m_numItems = 0;
comboParams.m_startItem = 0;
comboParams.m_callback = 0;//MyComboBoxCallback;
comboParams.m_userPointer = 0;//this;
m_tinyVrGui = new TinyVRGui(comboParams,this->m_multiThreadedHelper->m_childGuiHelper->getRenderInterface());
m_tinyVrGui->init();
}
if (m_tinyVrGui)
{
b3Transform tr;tr.setIdentity();
tr.setOrigin(b3MakeVector3(gVRController2Pos[0],gVRController2Pos[1],gVRController2Pos[2]));
tr.setRotation(b3Quaternion(gVRController2Orn[0],gVRController2Orn[1],gVRController2Orn[2],gVRController2Orn[3]));
tr = tr*b3Transform(b3Quaternion(0,0,-SIMD_HALF_PI),b3MakeVector3(0,0,0));
b3Scalar dt = 0.01;
m_tinyVrGui->clearTextArea();
static char line0[1024];
static char line1[1024];
m_tinyVrGui->grapicalPrintf(line0,0,0,0,0,0,255);
m_tinyVrGui->grapicalPrintf(line1,0,16,255,255,255,255);
m_tinyVrGui->tick(dt,tr);
}
#endif//BT_ENABLE_VR
}
///debug rendering
//m_args[0].m_cs->lock();
//gVRTeleportPos[0] += 0.01;
btTransform tr2a, tr2;
tr2a.setIdentity();
tr2.setIdentity();
tr2.setOrigin(gVRTeleportPos1);
tr2a.setRotation(gVRTeleportOrn);
btTransform trTotal = tr2*tr2a;
btTransform trInv = trTotal.inverse();
btMatrix3x3 vrOffsetRot;
vrOffsetRot.setRotation(trInv.getRotation());
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
vrOffset[i + 4 * j] = vrOffsetRot[i][j];
}
}
vrOffset[12]= trInv.getOrigin()[0];
vrOffset[13]= trInv.getOrigin()[1];
vrOffset[14]= trInv.getOrigin()[2];
this->m_multiThreadedHelper->m_childGuiHelper->getRenderInterface()->
getActiveCamera()->setVRCameraOffsetTransform(vrOffset);
m_physicsServer.renderScene();
for (int i=0;i<MAX_VR_CONTROLLERS;i++)
{
if (m_args[0].m_isVrControllerPicking[i] || m_args[0].m_isVrControllerDragging[i])
{
btVector3 from = m_args[0].m_vrControllerPos[i];
btMatrix3x3 mat(m_args[0].m_vrControllerOrn[i]);
btVector3 toX = from+mat.getColumn(0);
btVector3 toY = from+mat.getColumn(1);
btVector3 toZ = from+mat.getColumn(2);
int width = 2;
btVector4 color;
color=btVector4(1,0,0,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toX,color,width);
color=btVector4(0,1,0,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toY,color,width);
color=btVector4(0,0,1,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toZ,color,width);
}
}
if (m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->isVRCamera())
{
if (!gEnableRealTimeSimVR)
{
gEnableRealTimeSimVR = true;
m_physicsServer.enableRealTimeSimulation(1);
}
}
//m_args[0].m_cs->unlock();
}
void PhysicsServerExample::stepSimulation(float deltaTime)
{
m_physicsServer.processClientCommands();
}
void PhysicsServerExample::stepSimulation(float deltaTime)
{
//this->m_physicsServer.processClientCommands();
//check if any graphics related tasks are requested
switch (m_multiThreadedHelper->getCriticalSection()->getSharedParam(1))
{
case eGUIHelperCreateCollisionShapeGraphicsObject:
{
m_multiThreadedHelper->m_childGuiHelper->createCollisionShapeGraphicsObject(m_multiThreadedHelper->m_colShape);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperCreateCollisionObjectGraphicsObject:
{
m_multiThreadedHelper->m_childGuiHelper->createCollisionObjectGraphicsObject(m_multiThreadedHelper->m_obj,
m_multiThreadedHelper->m_color2);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperCreateRigidBodyGraphicsObject:
{
m_multiThreadedHelper->m_childGuiHelper->createRigidBodyGraphicsObject(m_multiThreadedHelper->m_body,m_multiThreadedHelper->m_color3);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperRegisterTexture:
{
m_multiThreadedHelper->m_textureId = m_multiThreadedHelper->m_childGuiHelper->registerTexture(m_multiThreadedHelper->m_texels,
m_multiThreadedHelper->m_textureWidth,m_multiThreadedHelper->m_textureHeight);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperRegisterGraphicsShape:
{
m_multiThreadedHelper->m_shapeIndex = m_multiThreadedHelper->m_childGuiHelper->registerGraphicsShape(
m_multiThreadedHelper->m_vertices,
m_multiThreadedHelper->m_numvertices,
m_multiThreadedHelper->m_indices,
m_multiThreadedHelper->m_numIndices,
m_multiThreadedHelper->m_primitiveType,
m_multiThreadedHelper->m_textureId);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperRegisterGraphicsInstance:
{
m_multiThreadedHelper->m_instanceId = m_multiThreadedHelper->m_childGuiHelper->registerGraphicsInstance(
m_multiThreadedHelper->m_shapeIndex,
m_multiThreadedHelper->m_position,
m_multiThreadedHelper->m_quaternion,
m_multiThreadedHelper->m_color,
m_multiThreadedHelper->m_scaling);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperRemoveAllGraphicsInstances:
{
m_multiThreadedHelper->m_childGuiHelper->removeAllGraphicsInstances();
int numRenderInstances = m_multiThreadedHelper->m_childGuiHelper->getRenderInterface()->getTotalNumInstances();
b3Assert(numRenderInstances==0);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperCopyCameraImageData:
{
m_multiThreadedHelper->m_childGuiHelper->copyCameraImageData(m_multiThreadedHelper->m_viewMatrix,
m_multiThreadedHelper->m_projectionMatrix,
m_multiThreadedHelper->m_pixelsRGBA,
m_multiThreadedHelper->m_rgbaBufferSizeInPixels,
m_multiThreadedHelper->m_depthBuffer,
m_multiThreadedHelper->m_depthBufferSizeInPixels,
m_multiThreadedHelper->m_segmentationMaskBuffer,
m_multiThreadedHelper->m_segmentationMaskBufferSizeInPixels,
m_multiThreadedHelper->m_startPixelIndex,
m_multiThreadedHelper->m_destinationWidth,
m_multiThreadedHelper->m_destinationHeight,
m_multiThreadedHelper->m_numPixelsCopied);
m_multiThreadedHelper->getCriticalSection()->lock();
m_multiThreadedHelper->getCriticalSection()->setSharedParam(1,eGUIHelperIdle);
m_multiThreadedHelper->getCriticalSection()->unlock();
break;
}
case eGUIHelperIdle:
default:
{
}
}
#if 0
if (m_options == PHYSICS_SERVER_USE_RTC_CLOCK)
{
btClock rtc;
btScalar endTime = rtc.getTimeMilliseconds() + deltaTime*btScalar(800);
while (rtc.getTimeMilliseconds()<endTime)
{
m_physicsServer.processClientCommands();
}
} else
{
//for (int i=0;i<10;i++)
m_physicsServer.processClientCommands();
}
#endif
{
if (m_multiThreadedHelper->m_childGuiHelper->getRenderInterface())
{
m_multiThreadedHelper->m_childGuiHelper->getRenderInterface()->writeTransforms();
}
}
}
virtual void setSharedMemoryKey(int key)
{
m_physicsServer.setSharedMemoryKey(key);
}
void PhysicsClientExample::initPhysics()
{
if (m_guiHelper && m_guiHelper->getParameterInterface())
{
int upAxis = 2;
m_guiHelper->setUpAxis(upAxis);
createButtons();
} else
{
MyCallback(CMD_LOAD_URDF, true, this);
MyCallback(CMD_STEP_FORWARD_SIMULATION,true,this);
MyCallback(CMD_STEP_FORWARD_SIMULATION,true,this);
MyCallback(CMD_RESET_SIMULATION,true,this);
}
m_selectedBody = -1;
m_prevSelectedBody = -1;
if (m_options == eCLIENTEXAMPLE_SERVER)
{
m_canvas = m_guiHelper->get2dCanvasInterface();
if (m_canvas)
{
m_canvasIndex = m_canvas->createCanvas("Synthetic Camera",camVisualizerWidth, camVisualizerHeight);
for (int i=0;i<camVisualizerWidth;i++)
{
for (int j=0;j<camVisualizerHeight;j++)
{
unsigned char red=255;
unsigned char green=255;
unsigned char blue=255;
unsigned char alpha=255;
if (i==j)
{
red = 0;
green=0;
blue=0;
}
m_canvas->setPixel(m_canvasIndex,i,j,red,green,blue,alpha);
}
}
m_canvas->refreshImageData(m_canvasIndex);
}
m_isOptionalServerConnected = m_physicsServer.connectSharedMemory( m_guiHelper);
}
m_physicsClientHandle = b3ConnectSharedMemory(m_sharedMemoryKey);
//m_physicsClientHandle = b3ConnectPhysicsLoopback(SHARED_MEMORY_KEY);
//m_physicsClientHandle = b3ConnectPhysicsDirect();
if (!b3CanSubmitCommand(m_physicsClientHandle))
{
b3Warning("Cannot connect to physics client");
}
}
void PhysicsClientExample::stepSimulation(float deltaTime)
{
if (m_options == eCLIENTEXAMPLE_SERVER)
{
for (int i=0;i<100;i++)
{
m_physicsServer.processClientCommands();
}
}
if (m_prevSelectedBody != m_selectedBody)
{
createButtons();
m_prevSelectedBody = m_selectedBody;
}
//while (!b3CanSubmitCommand(m_physicsClientHandle))
{
b3SharedMemoryStatusHandle status = b3ProcessServerStatus(m_physicsClientHandle);
bool hasStatus = (status != 0);
if (hasStatus)
{
int statusType = b3GetStatusType(status);
if (statusType == CMD_ACTUAL_STATE_UPDATE_COMPLETED)
{
//b3Printf("bla\n");
}
if (statusType ==CMD_CAMERA_IMAGE_COMPLETED)
{
static int counter=0;
char msg[1024];
sprintf(msg,"Camera image %d OK\n",counter++);
b3CameraImageData imageData;
b3GetCameraImageData(m_physicsClientHandle,&imageData);
if (m_canvas && m_canvasIndex >=0)
{
for (int i=0;i<imageData.m_pixelWidth;i++)
{
for (int j=0;j<imageData.m_pixelHeight;j++)
{
int xIndex = int(float(i)*(float(camVisualizerWidth)/float(imageData.m_pixelWidth)));
int yIndex = int(float(j)*(float(camVisualizerHeight)/float(imageData.m_pixelHeight)));
btClamp(yIndex,0,imageData.m_pixelHeight);
btClamp(xIndex,0,imageData.m_pixelWidth);
int bytesPerPixel = 4;
int pixelIndex = (i+j*imageData.m_pixelWidth)*bytesPerPixel;
m_canvas->setPixel(m_canvasIndex,xIndex,camVisualizerHeight-1-yIndex,
imageData.m_rgbColorData[pixelIndex],
imageData.m_rgbColorData[pixelIndex+1],
imageData.m_rgbColorData[pixelIndex+2],
255);
// imageData.m_rgbColorData[pixelIndex+3]);
}
}
m_canvas->refreshImageData(m_canvasIndex);
}
b3Printf(msg);
}
if (statusType == CMD_CAMERA_IMAGE_FAILED)
{
b3Printf("Camera image FAILED\n");
}
if (statusType == CMD_URDF_LOADING_COMPLETED)
{
int bodyIndex = b3GetStatusBodyIndex(status);
if (bodyIndex>=0)
{
int numJoints = b3GetNumJoints(m_physicsClientHandle,bodyIndex);
for (int i=0;i<numJoints;i++)
{
b3JointInfo info;
b3GetJointInfo(m_physicsClientHandle,bodyIndex,i,&info);
b3Printf("Joint %s at q-index %d and u-index %d\n",info.m_jointName,info.m_qIndex,info.m_uIndex);
}
ComboBoxParams comboParams;
comboParams.m_comboboxId = bodyIndex;
comboParams.m_numItems = 1;
comboParams.m_startItem = 0;
comboParams.m_callback = MyComboBoxCallback;
comboParams.m_userPointer = this;
const char* bla = "bla";
const char* blarray[1];
blarray[0] = bla;
comboParams.m_items=blarray;//{&bla};
m_guiHelper->getParameterInterface()->registerComboBox(comboParams);
}
}
}
}
if (b3CanSubmitCommand(m_physicsClientHandle))
{
if (m_userCommandRequests.size())
{
//b3Printf("Outstanding user command requests: %d\n", m_userCommandRequests.size());
int commandId = m_userCommandRequests[0];
//a manual 'pop_front', we don't use 'remove' because it will re-order the commands
for (int i=1;i<m_userCommandRequests.size();i++)
{
m_userCommandRequests[i-1] = m_userCommandRequests[i];
}
m_userCommandRequests.pop_back();
//for the CMD_RESET_SIMULATION we need to do something special: clear the GUI sliders
if (commandId ==CMD_RESET_SIMULATION)
{
m_selectedBody = -1;
m_numMotors=0;
createButtons();
b3SharedMemoryCommandHandle commandHandle = b3InitResetSimulationCommand(m_physicsClientHandle);
if (m_options == eCLIENTEXAMPLE_SERVER)
{
b3SubmitClientCommand(m_physicsClientHandle, commandHandle);
while (!b3CanSubmitCommand(m_physicsClientHandle))
{
m_physicsServer.processClientCommands();
b3SharedMemoryStatusHandle status = b3ProcessServerStatus(m_physicsClientHandle);
bool hasStatus = (status != 0);
if (hasStatus)
{
int statusType = b3GetStatusType(status);
b3Printf("Status after reset: %d",statusType);
}
}
} else
{
prepareAndSubmitCommand(commandId);
}
} else
{
prepareAndSubmitCommand(commandId);
}
} else
{
if (m_numMotors)
{
enqueueCommand(CMD_SEND_DESIRED_STATE);
enqueueCommand(CMD_STEP_FORWARD_SIMULATION);
if (m_options != eCLIENTEXAMPLE_SERVER)
{
enqueueCommand(CMD_REQUEST_DEBUG_LINES);
}
//enqueueCommand(CMD_REQUEST_ACTUAL_STATE);
}
}
}
}
void PhysicsServerExample::renderScene()
{
B3_PROFILE("PhysicsServerExample::RenderScene");
static char line0[1024];
static char line1[1024];
if (gEnableRealTimeSimVR)
{
static int frameCount=0;
static btScalar prevTime = m_clock.getTimeSeconds();
frameCount++;
static btScalar worseFps = 1000000;
int numFrames = 200;
static int count = 0;
count++;
if (0 == (count & 1))
{
btScalar curTime = m_clock.getTimeSeconds();
btScalar fps = 1. / (curTime - prevTime);
prevTime = curTime;
if (fps < worseFps)
{
worseFps = fps;
}
if (count > numFrames)
{
count = 0;
sprintf(line0, "fps:%f frame:%d", worseFps, frameCount / 2);
sprintf(line1, "drop:%d tscale:%f dt:%f, substep %f)", gDroppedSimulationSteps, simTimeScalingFactor,gDtInSec, gSubStep);
gDroppedSimulationSteps = 0;
worseFps = 1000000;
}
}
#ifdef BT_ENABLE_VR
if ((gInternalSimFlags&2 ) && m_tinyVrGui==0)
{
ComboBoxParams comboParams;
comboParams.m_comboboxId = 0;
comboParams.m_numItems = 0;
comboParams.m_startItem = 0;
comboParams.m_callback = 0;//MyComboBoxCallback;
comboParams.m_userPointer = 0;//this;
m_tinyVrGui = new TinyVRGui(comboParams,this->m_multiThreadedHelper->m_childGuiHelper->getRenderInterface());
m_tinyVrGui->init();
}
if (m_tinyVrGui)
{
b3Transform tr;tr.setIdentity();
tr.setOrigin(b3MakeVector3(gVRController2Pos[0],gVRController2Pos[1],gVRController2Pos[2]));
tr.setRotation(b3Quaternion(gVRController2Orn[0],gVRController2Orn[1],gVRController2Orn[2],gVRController2Orn[3]));
tr = tr*b3Transform(b3Quaternion(0,0,-SIMD_HALF_PI),b3MakeVector3(0,0,0));
b3Scalar dt = 0.01;
m_tinyVrGui->clearTextArea();
m_tinyVrGui->grapicalPrintf(line0,0,0,0,0,0,255);
m_tinyVrGui->grapicalPrintf(line1,0,16,255,255,255,255);
m_tinyVrGui->tick(dt,tr);
}
#endif//BT_ENABLE_VR
}
///debug rendering
//m_args[0].m_cs->lock();
//gVRTeleportPos[0] += 0.01;
vrOffset[12]=-gVRTeleportPos[0];
vrOffset[13]=-gVRTeleportPos[1];
vrOffset[14]=-gVRTeleportPos[2];
this->m_multiThreadedHelper->m_childGuiHelper->getRenderInterface()->
getActiveCamera()->setVRCameraOffsetTransform(vrOffset);
m_physicsServer.renderScene();
for (int i=0;i<MAX_VR_CONTROLLERS;i++)
{
if (m_args[0].m_isVrControllerPicking[i] || m_args[0].m_isVrControllerDragging[i])
{
btVector3 from = m_args[0].m_vrControllerPos[i];
btMatrix3x3 mat(m_args[0].m_vrControllerOrn[i]);
btVector3 toX = from+mat.getColumn(0);
btVector3 toY = from+mat.getColumn(1);
btVector3 toZ = from+mat.getColumn(2);
int width = 2;
btVector4 color;
color=btVector4(1,0,0,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toX,color,width);
color=btVector4(0,1,0,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toY,color,width);
color=btVector4(0,0,1,1);
m_guiHelper->getAppInterface()->m_renderer->drawLine(from,toZ,color,width);
}
}
if (m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->isVRCamera())
{
gEnableRealTimeSimVR = true;
}
if (gDebugRenderToggle)
if (m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->isVRCamera())
{
B3_PROFILE("Draw Debug HUD");
//some little experiment to add text/HUD to a VR camera (HTC Vive/Oculus Rift)
float pos[4];
m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->getCameraTargetPosition(pos);
pos[0]+=gVRTeleportPos[0];
pos[1]+=gVRTeleportPos[1];
pos[2]+=gVRTeleportPos[2];
btTransform viewTr;
btScalar m[16];
float mf[16];
m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->getCameraViewMatrix(mf);
for (int i=0;i<16;i++)
{
m[i] = mf[i];
}
m[12]=+gVRTeleportPos[0];
m[13]=+gVRTeleportPos[1];
m[14]=+gVRTeleportPos[2];
viewTr.setFromOpenGLMatrix(m);
btTransform viewTrInv = viewTr.inverse();
btVector3 side = viewTrInv.getBasis().getColumn(0);
btVector3 up = viewTrInv.getBasis().getColumn(1);
btVector3 fwd = viewTrInv.getBasis().getColumn(2);
float upMag = 0;
float sideMag = 2.2;
float fwdMag = -4;
m_guiHelper->getAppInterface()->drawText3D(line0,pos[0]+upMag*up[0]-sideMag*side[0]+fwdMag*fwd[0],pos[1]+upMag*up[1]-sideMag*side[1]+fwdMag*fwd[1],pos[2]+upMag*up[2]-sideMag*side[2]+fwdMag*fwd[2],1);
//btVector3 fwd = viewTrInv.getBasis().getColumn(2);
up = viewTrInv.getBasis().getColumn(1);
upMag = -0.3;
m_guiHelper->getAppInterface()->drawText3D(line1,pos[0]+upMag*up[0]-sideMag*side[0]+fwdMag*fwd[0],pos[1]+upMag*up[1]-sideMag*side[1]+fwdMag*fwd[1],pos[2]+upMag*up[2]-sideMag*side[2]+fwdMag*fwd[2],1);
}
//m_args[0].m_cs->unlock();
}
void PhysicsClientExample::stepSimulation(float deltaTime)
{
if (m_options == eCLIENTEXAMPLE_SERVER)
{
for (int i = 0; i < 100; i++)
{
m_physicsServer.processClientCommands();
}
}
if (m_prevSelectedBody != m_selectedBody)
{
createButtons();
m_prevSelectedBody = m_selectedBody;
}
//while (!b3CanSubmitCommand(m_physicsClientHandle))
{
b3SharedMemoryStatusHandle status = b3ProcessServerStatus(m_physicsClientHandle);
bool hasStatus = (status != 0);
if (hasStatus)
{
int statusType = b3GetStatusType(status);
if (statusType == CMD_ACTUAL_STATE_UPDATE_COMPLETED)
{
//b3Printf("bla\n");
}
if (statusType == CMD_CAMERA_IMAGE_COMPLETED)
{
// static int counter=0;
// char msg[1024];
// sprintf(msg,"Camera image %d OK\n",counter++);
b3CameraImageData imageData;
b3GetCameraImageData(m_physicsClientHandle, &imageData);
if (m_canvas)
{
//compute depth image range
float minDepthValue = 1e20f;
float maxDepthValue = -1e20f;
for (int i = 0; i < camVisualizerWidth; i++)
{
for (int j = 0; j < camVisualizerHeight; j++)
{
int xIndex = int(float(i) * (float(imageData.m_pixelWidth) / float(camVisualizerWidth)));
int yIndex = int(float(j) * (float(imageData.m_pixelHeight) / float(camVisualizerHeight)));
btClamp(xIndex, 0, imageData.m_pixelWidth);
btClamp(yIndex, 0, imageData.m_pixelHeight);
if (m_canvasDepthIndex >= 0)
{
int depthPixelIndex = (xIndex + yIndex * imageData.m_pixelWidth);
float depthValue = imageData.m_depthValues[depthPixelIndex];
//todo: rescale the depthValue to [0..255]
if (depthValue > -1e20)
{
maxDepthValue = btMax(maxDepthValue, depthValue);
minDepthValue = btMin(minDepthValue, depthValue);
}
}
}
}
for (int i = 0; i < camVisualizerWidth; i++)
{
for (int j = 0; j < camVisualizerHeight; j++)
{
int xIndex = int(float(i) * (float(imageData.m_pixelWidth) / float(camVisualizerWidth)));
int yIndex = int(float(j) * (float(imageData.m_pixelHeight) / float(camVisualizerHeight)));
btClamp(yIndex, 0, imageData.m_pixelHeight);
btClamp(xIndex, 0, imageData.m_pixelWidth);
int bytesPerPixel = 4; //RGBA
if (m_canvasRGBIndex >= 0)
{
int rgbPixelIndex = (xIndex + yIndex * imageData.m_pixelWidth) * bytesPerPixel;
m_canvas->setPixel(m_canvasRGBIndex, i, j,
imageData.m_rgbColorData[rgbPixelIndex],
imageData.m_rgbColorData[rgbPixelIndex + 1],
imageData.m_rgbColorData[rgbPixelIndex + 2],
255); //alpha set to 255
}
if (m_canvasDepthIndex >= 0)
{
int depthPixelIndex = (xIndex + yIndex * imageData.m_pixelWidth);
float depthValue = imageData.m_depthValues[depthPixelIndex];
//todo: rescale the depthValue to [0..255]
if (depthValue > -1e20)
{
int rgb = 0;
if (maxDepthValue != minDepthValue)
{
rgb = (depthValue - minDepthValue) * (255. / (btFabs(maxDepthValue - minDepthValue)));
if (rgb < 0 || rgb > 255)
{
//printf("rgb=%d\n",rgb);
}
}
m_canvas->setPixel(m_canvasDepthIndex, i, j,
rgb,
rgb,
255, 255); //alpha set to 255
}
else
{
m_canvas->setPixel(m_canvasDepthIndex, i, j,
0,
0,
0, 255); //alpha set to 255
}
}
if (m_canvasSegMaskIndex >= 0 && (0 != imageData.m_segmentationMaskValues))
{
int segmentationMaskPixelIndex = (xIndex + yIndex * imageData.m_pixelWidth);
int segmentationMask = imageData.m_segmentationMaskValues[segmentationMaskPixelIndex];
btVector4 palette[4] = {btVector4(32, 255, 32, 255),
btVector4(32, 32, 255, 255),
btVector4(255, 255, 32, 255),
btVector4(32, 255, 255, 255)};
if (segmentationMask >= 0)
{
int obIndex = segmentationMask & ((1 << 24) - 1);
int linkIndex = (segmentationMask >> 24) - 1;
btVector4 rgb = palette[(obIndex + linkIndex) & 3];
m_canvas->setPixel(m_canvasSegMaskIndex, i, j,
rgb.x(),
rgb.y(),
rgb.z(), 255); //alpha set to 255
}
else
{
m_canvas->setPixel(m_canvasSegMaskIndex, i, j,
0,
0,
0, 255); //alpha set to 255
}
}
}
}
if (m_canvasRGBIndex >= 0)
m_canvas->refreshImageData(m_canvasRGBIndex);
if (m_canvasDepthIndex >= 0)
m_canvas->refreshImageData(m_canvasDepthIndex);
if (m_canvasSegMaskIndex >= 0)
m_canvas->refreshImageData(m_canvasSegMaskIndex);
}