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Merge pull request #849 from benelot/3D-NN-walkers-example

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Improvements to 3DNNWalkers example
This commit is contained in:
erwincoumans
2017-06-05 13:31:07 -07:00
committed by GitHub
parent be9384a01b 4a169d180e
commit 444f206c7c
5 changed files with 866 additions and 451 deletions
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1187
examples/Evolution/NN3DWalkers.cpp
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28
examples/Evolution/NN3DWalkersTimeWarpBase.h
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@@ -208,7 +208,8 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
CommonRigidBodyBase(helper),
mPhysicsStepsPerSecondUpdated(false),
mFramesPerSecondUpdated(false),
mSolverIterationsUpdated(false) {
mSolverIterationsUpdated(false),
mIsHeadless(false){
// main frame timer initialization
mApplicationStart = mLoopTimer.getTimeMilliseconds(); /**!< Initialize when the application started running */
@@ -519,7 +520,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
m_collisionConfiguration);
}
changeERPCFM(); // set appropriate ERP/CFM values according to the string and damper properties of the constraint
changeERPCFM(); // set appropriate ERP/CFM values according to the spring and damper properties of the constraint
if (useSplitImpulse) { // If you experience strong repulsion forces in your constraints, it might help to enable the split impulse feature
m_dynamicsWorld->getSolverInfo().m_splitImpulse = 1; //enable split impulse feature
@@ -536,7 +537,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
m_dynamicsWorld->getSolverInfo().m_numIterations = gSolverIterations; // set the number of solver iterations for iteration based solvers
m_dynamicsWorld->setGravity(btVector3(0, -9.81f, 0)); // set gravity to -9.81
m_dynamicsWorld->setGravity(btVector3(0, btScalar(-9.81f), 0)); // set gravity to -9.81
}
@@ -551,7 +552,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
void timeWarpSimulation(float deltaTime) // Override this
virtual void performModelUpdate(float deltaTime) // Override this
{
}
@@ -559,7 +560,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
void stepSimulation(float deltaTime){ // customly step the simulation
do{
// // settings
// settings
if(mPhysicsStepsPerSecondUpdated){
changePhysicsStepsPerSecond(gPhysicsStepsPerSecond);
mPhysicsStepsPerSecondUpdated = false;
@@ -590,10 +591,10 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
//#############
// model update - here you perform updates of your model, be it the physics model, the game or simulation state or anything not related to graphics and input
timeWarpSimulation(deltaTime);
performModelUpdate(deltaTime);
if(mLoopTimer.getTimeSeconds() - speedUpPrintTimeStamp > 1){
// on reset, we calculate the performed speed up
//double speedUp = ((double)performedTime*1000.0)/((double)(mLoopTimer.getTimeMilliseconds()-performanceTimestamp));
double speedUp = ((double)performedTime*1000.0)/((double)(mLoopTimer.getTimeMilliseconds()-performanceTimestamp));
// b3Printf("Avg Effective speedup: %f",speedUp);
performedTime = 0;
performanceTimestamp = mLoopTimer.getTimeMilliseconds();
@@ -612,7 +613,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
mModelStart = mLoopTimer.getTimeMilliseconds(); /**!< Begin with the model update (in Milliseconds)*/
mLastGraphicsTick = mModelStart - mGraphicsStart; /**!< Update graphics timer (in Milliseconds) */
if (gMaximumSpeed /** If maximum speed is enabled*/) {
if (gMaximumSpeed) { /** If maximum speed is enabled*/
performMaxStep();
} else { /**!< This mode tries to progress as much time as it is expected from the game loop*/
performSpeedStep();
@@ -627,8 +628,8 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
mInputDt = mThisModelIteration - mInputClock;
if (mInputDt >= gApplicationTick) {
mInputClock = mThisModelIteration;
// mInputHandler.injectInput(); /**!< Inject input into handlers */
// mInputHandler.update(mInputClock); /**!< update elements that work on the current input state */
//mInputHandler.injectInput(); /**!< Inject input into handlers */
//mInputHandler.update(mInputClock); /**!< update elements that work on the current input state */
}
mGraphicsStart = mLoopTimer.getTimeMilliseconds(); /**!< Start the graphics update */
@@ -650,7 +651,7 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
}
virtual bool keyboardCallback(int key, int state)
virtual bool keyboardCallback(int key, int state)
{
switch(key)
{
@@ -752,10 +753,9 @@ struct NN3DWalkersTimeWarpBase: public CommonRigidBodyBase {
for (int i = 0; i < subSteps; i++) { /**!< Perform the number of substeps to reach the timestep*/
if (timeStep && m_dynamicsWorld) {
// since we want to perform all proper steps, we perform no interpolated substeps
int subSteps = 1;
int subSteps = 1; // since we want to perform all proper steps, we perform no interpolated substeps
m_dynamicsWorld->stepSimulation(btScalar(timeStep),
m_dynamicsWorld->stepSimulation(btScalar(fixedPhysicsStepSizeSec),
btScalar(subSteps), btScalar(fixedPhysicsStepSizeSec));
}
}

96
examples/RenderingExamples/TimeSeriesCanvas.cpp
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@@ -13,7 +13,11 @@ struct DataSource
float m_lastValue;
bool m_hasLastValue;
DataSource()
:m_hasLastValue(false)
:m_red(0),
m_green(0),
m_blue(0),
m_lastValue(0),
m_hasLastValue(false)
{
}
};
@@ -28,10 +32,12 @@ struct TimeSeriesInternalData
int m_height;
float m_pixelsPerUnit;
float m_zero;
float m_center;
int m_timeTicks;
int m_ticksPerSecond;
float m_yScale;
float m_yMax;
float m_yMin;
float m_yZero;
int m_bar;
unsigned char m_backgroundRed;
@@ -50,13 +56,17 @@ struct TimeSeriesInternalData
}
TimeSeriesInternalData(int width, int height)
:m_width(width),
:m_canvasInterface(NULL),
m_canvasIndex(0),
m_width(width),
m_height(height),
m_pixelsPerUnit(-100),
m_zero(height/2.0),
m_center(height/2.0),
m_timeTicks(0),
m_ticksPerSecond(100),
m_yScale(1),
m_yMax(1),
m_yMin(0),
m_yZero(0.5f),
m_bar(0),
m_backgroundRed(255),
m_backgroundGreen(255),
@@ -105,13 +115,18 @@ void TimeSeriesCanvas::addDataSource(const char* dataSourceLabel, unsigned char
}
void TimeSeriesCanvas::setupTimeSeries(float yScale, int ticksPerSecond, int startTime, bool clearCanvas)
{
setupTimeSeries(-yScale, yScale, ticksPerSecond, startTime, clearCanvas);
}
void TimeSeriesCanvas::setupTimeSeries(float yMin, float yMax, int ticksPerSecond, int startTime, bool clearCanvas)
{
if (0==m_internalData->m_canvasInterface)
return;
m_internalData->m_pixelsPerUnit = -(m_internalData->m_height/3.f)/yScale;
m_internalData->m_pixelsPerUnit = -(m_internalData->m_height/3.f)/(0.5f*(yMax-yMin));
m_internalData->m_ticksPerSecond = ticksPerSecond;
m_internalData->m_yScale = yScale;
m_internalData->m_yMin = yMin;
m_internalData->m_yMax = yMax;
m_internalData->m_dataSources.clear();
if (clearCanvas)
@@ -130,18 +145,22 @@ void TimeSeriesCanvas::setupTimeSeries(float yScale, int ticksPerSecond, int sta
}
}
float zeroPixelCoord = m_internalData->m_zero;
float centerPixelCoord = m_internalData->m_center;
float pixelsPerUnit = m_internalData->m_pixelsPerUnit;
float yPos = zeroPixelCoord+pixelsPerUnit*yScale;
float yNeg = zeroPixelCoord+pixelsPerUnit*-yScale;
m_internalData->m_yZero = centerPixelCoord - pixelsPerUnit*0.5f*(yMax+yMin);
float yPos = centerPixelCoord+pixelsPerUnit*0.5f*(yMax-yMin);
float yNeg = centerPixelCoord+pixelsPerUnit*-0.5f*(yMax-yMin);
grapicalPrintf("0", sTimeSeriesFontData, 2,zeroPixelCoord,m_internalData->m_textColorRed,m_internalData->m_textColorGreen,m_internalData->m_textColorBlue,m_internalData->m_textColorAlpha);
if(yMin < 0 && yMax > 0){
grapicalPrintf("0", sTimeSeriesFontData, 2,m_internalData->m_yZero,m_internalData->m_textColorRed,m_internalData->m_textColorGreen,m_internalData->m_textColorBlue,m_internalData->m_textColorAlpha);
}
char label[1024];
sprintf(label,"%2.1f", yScale);
sprintf(label,"%2.1f", yMax);
grapicalPrintf(label, sTimeSeriesFontData, 2,yPos,m_internalData->m_textColorRed,m_internalData->m_textColorGreen,m_internalData->m_textColorBlue,m_internalData->m_textColorAlpha);
sprintf(label,"%2.1f", -yScale);
sprintf(label,"%2.1f", yMin);
grapicalPrintf(label, sTimeSeriesFontData, 2,yNeg,m_internalData->m_textColorRed,m_internalData->m_textColorGreen,m_internalData->m_textColorBlue,m_internalData->m_textColorAlpha);
m_internalData->m_canvasInterface->refreshImageData(m_internalData->m_canvasIndex);
@@ -209,7 +228,7 @@ void TimeSeriesCanvas::shift1PixelToLeft()
int resetVal = 10;
int countdown = resetVal;
//shift pixture one pixel to the left
//shift picture one pixel to the left
for (int j=50;j<m_internalData->m_height-48;j++)
{
for (int i=40;i<this->m_internalData->m_width;i++)
@@ -238,35 +257,34 @@ void TimeSeriesCanvas::shift1PixelToLeft()
}
}
{
int resetVal = 2;
static int countdown = resetVal;
if (!countdown--)
{
int resetVal = 2;
static int countdown = resetVal;
if (!countdown--)
{
countdown=resetVal;
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,m_internalData->m_zero,0,0,0,255);
}
countdown=resetVal;
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,m_internalData->m_yZero,0,0,0,255);
}
}
{
int resetVal = 10;
static int countdown = resetVal;
if (!countdown--)
{
int resetVal = 10;
static int countdown = resetVal;
if (!countdown--)
{
countdown=resetVal;
float zeroPixelCoord = m_internalData->m_zero;
float pixelsPerUnit = m_internalData->m_pixelsPerUnit;
countdown=resetVal;
float centerPixelCoord = m_internalData->m_center;
float pixelsPerUnit = m_internalData->m_pixelsPerUnit;
float yPos = zeroPixelCoord+pixelsPerUnit*m_internalData->m_yScale;
float yNeg = zeroPixelCoord+pixelsPerUnit*-m_internalData->m_yScale;
float yPos = centerPixelCoord+pixelsPerUnit*0.5f*(m_internalData->m_yMax-m_internalData->m_yMin);
float yNeg = centerPixelCoord+pixelsPerUnit*-0.5f*(m_internalData->m_yMax-m_internalData->m_yMin);
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,
yPos,0,0,0,255);
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,
yNeg,0,0,0,255);
}
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,
yPos,0,0,0,255);
m_internalData->m_canvasInterface->setPixel(m_internalData->m_canvasIndex,m_internalData->m_width-1,
yNeg,0,0,0,255);
}
}
@@ -276,7 +294,7 @@ void TimeSeriesCanvas::shift1PixelToLeft()
char buf[1024];
float time = m_internalData->getTime();
sprintf(buf,"%2.0f",time);
grapicalPrintf(buf, sTimeSeriesFontData, m_internalData->m_width-25,m_internalData->m_zero+3,0,0,0,255);
grapicalPrintf(buf, sTimeSeriesFontData, m_internalData->m_width-25,m_internalData->m_center+3,0,0,0,255);
m_internalData->m_bar=m_internalData->m_ticksPerSecond;
@@ -294,7 +312,7 @@ void TimeSeriesCanvas::insertDataAtCurrentTime(float orgV, int dataSourceIndex,
btAssert(dataSourceIndex < m_internalData->m_dataSources.size());
float zero = m_internalData->m_zero;
float zero = m_internalData->m_yZero;
float amp = m_internalData->m_pixelsPerUnit;
//insert some new value(s) in the right-most column
{

3
examples/RenderingExamples/TimeSeriesCanvas.h
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@@ -13,6 +13,7 @@ public:
virtual ~TimeSeriesCanvas();
void setupTimeSeries(float yScale, int ticksPerSecond, int startTime, bool clearCanvas=true);
void setupTimeSeries(float yMin, float yMax, int ticksPerSecond, int startTime, bool clearCanvas=true);
void addDataSource(const char* dataSourceLabel, unsigned char red,unsigned char green,unsigned char blue);
void insertDataAtCurrentTime(float value, int dataSourceIndex, bool connectToPrevious);
float getCurrentTime() const;
@@ -22,4 +23,4 @@ public:
};
#endif//TIME_SERIES_CANVAS_H
#endif//TIME_SERIES_CANVAS_H