void BasicDemo3D::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
// btCudaDemoPairCache* pc = (btCudaDemoPairCache*)m_dynamicsWorld->getPairCache();
// pc->m_numSmallProxies = m_dynamicsWorld->getNumCollisionObjects(); // - 1; // exclude floor
m_dynamicsWorld->stepSimulation(gTimeStep,0);//ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
ms = getDeltaTimeMicroseconds();
glFlush();
glutSwapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
updateCamera();
glDisable(GL_LIGHTING);
glColor3f(1.f, 1.f, 1.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_TEXTURE_2D); // we always draw wireframe in this demo
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
#if USE_CUDA_DEMO_PAIR_CASHE
btGpuDemoPairCache* pc = (btGpuDemoPairCache*)m_dynamicsWorld->getPairCache();
pc->m_numSmallProxies = m_dynamicsWorld->getNumCollisionObjects(); // - 1; // exclude floor
#endif
m_dynamicsWorld->stepSimulation(gTimeStep,0);//ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
ms = getDeltaTimeMicroseconds();
glFlush();
glutSwapBuffers();
}
void FeatherstoneMultiBodyDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
btVector3 aabbMin(1,1,1);
btVector3 aabbMax(2,2,2);
}
renderme();
glFlush();
swapBuffers();
}
void CcdPhysicsDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(1./60.);//ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
displayText();
#if 0
for (int i=0;i<debugContacts.size();i++)
{
getDynamicsWorld()->getDebugDrawer()->drawContactPoint(debugContacts[i],debugNormals[i],0,0,btVector3(1,0,0));
}
#endif
glFlush();
swapBuffers();
}
void SerializeDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
if (sbsolver)
sbsolver->copyBackToSoftBodies();
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_cameraTargetPosition = m_sphere->getWorldTransform().getOrigin();
updateCamera();
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
void ArtificialBirdsDemoApp::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
float minFPS = 1000000.f/60.f;
if (ms > minFPS)
ms = minFPS;
if (m_dynamicsWorld) {
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
if (m_bigbirds.size() > 0)
m_cameraTargetPosition = m_bigbirds[0]->getPosition();
else if (m_birdOpt)
m_cameraTargetPosition = m_birdOpt->getBirdPosition();
else if (m_birdDemo)
m_cameraTargetPosition = m_birdDemo->getPosition();
renderme();
glFlush();
glutSwapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
btVector3 aabbMin(1,1,1);
btVector3 aabbMax(2,2,2);
MyOverlapCallback aabbOverlap(aabbMin,aabbMax);
m_dynamicsWorld->getBroadphase()->aabbTest(aabbMin,aabbMax,aabbOverlap);
//if (aabbOverlap.m_numOverlap)
// printf("#aabb overlap = %d\n", aabbOverlap.m_numOverlap);
}
renderme();
glFlush();
swapBuffers();
}
void BulletOpenGLViewer::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
double ms = getDeltaTimeMicroseconds();
double minFPS = 1000000.f / 60.f;
if (ms > minFPS)
{
ms = minFPS;
}
if (m_dynamicsWorld)
{
btScalar dt1 = btScalar(ms / 1000000.0f);
m_dynamicsWorld->stepSimulation(dt1, 4);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
renderSurfacePoints();
glFlush();
swapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
GL_ShapeDrawer::drawCoordSystem();
///step the simulation
if (m_dynamicsWorld)
{
//m_dynamicsWorld->stepSimulation(ms / 1000000.f);
m_dynamicsWorld->stepSimulation(ms / 1000000.f,10,1./240.);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
glutSwapBuffers();
}
void BasicDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
int key;
int x = 0, y = 0;
//step the simulation
if (m_dynamicsWorld)
{
specialKeyboard(key, x, y);
if (gStepSim == true)
{
printf("Simulation step is %d\n", i);
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
i += 1;
}
gStepSim = false;
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
/** Old main simulation function that also renders the simulation to GLUT
*
**/
void Physics::clientMoveAndDisplay(boolean fixed){
float ms = getDeltaTimeMicroseconds();
static float time2=0;
time2+=ms;
static float timeBehind2= 0;
timeBehind2+=ms;
if(fixed){
if(timeBehind2>1000){
static int update=20;
simulationLoopStep(1 / 1000.f);
timeBehind2-=1000;
}
}else{
simulationLoopStep(ms / 1000000.f); //normal speed
//simulationLoopStep(ms / 100000000.f); //slow-mode
timeBehind=0;
}
frameRate=1000000./time2+0.5;
time2=0;
pointCamera();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
m_dynamicsWorld->debugDrawWorld();
renderme();
glFlush();
swapBuffers();
}
void SimulationVisual::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
float minFPS = 1000000.f/60.f;
if (ms > minFPS)
ms = minFPS;
if (Simulation::m_dynamicsWorld)
{
Simulation::m_dynamicsWorld->stepSimulation(ms / 1000000.f);
//optional but useful: debug drawing
Simulation::m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
glutSwapBuffers();
}
void ConcaveRaycastDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float dt = getDeltaTimeMicroseconds() * 0.000001f;
if (m_animatedMesh)
{
static float offset=0.f;
offset+=0.01f;
setVertexPositions(waveheight,offset);
btVector3 worldMin(-1000,-1000,-1000);
btVector3 worldMax(1000,1000,1000);
trimeshShape->refitTree(worldMin,worldMax);
//clear all contact points involving mesh proxy. Note: this is a slow/unoptimized operation.
m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(staticBody->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
}
m_dynamicsWorld->stepSimulation(1./60.,0);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
raycastBar.move (dt);
raycastBar.cast (m_dynamicsWorld);
renderme();
raycastBar.draw ();
glFlush();
glutSwapBuffers();
}
void MotorDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float deltaTime = getDeltaTimeMicroseconds()/1000000.f;
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(deltaTime);
m_dynamicsWorld->debugDrawWorld();
}
renderme();
for (int i=2; i>=0 ;i--)
{
btCollisionObject* obj = m_dynamicsWorld->getCollisionObjectArray()[i];
btRigidBody* body = btRigidBody::upcast(obj);
drawFrame(body->getWorldTransform());
}
glFlush();
glutSwapBuffers();
}
void PendulumApplication::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
m_dt = getDeltaTimeMicroseconds()/1000000.f;
temp += m_dt;
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(m_dt);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
btTransform trans;
m_pendulumBody->getMotionState()->getWorldTransform(trans);
Integrator_rk4();
trans.getOrigin() = btVector3(0,20,0)+pol2cart(m_r.m_value,m_theta.m_value);
//printf("%f %f %f\n",m_position.x(),m_po sition.y(),m_position.z());
m_pendulumBody->getMotionState()->setWorldTransform(trans);
m_r.m_value = m_r.m_value + 0.1 * sin (temp);
//draw the rope
btVector3 anchor(0,20,0);
glLineWidth(2.0);
glBegin(GL_LINES);
glVertex3fv(anchor.m_floats);
glVertex3fv(trans.getOrigin());
glEnd();
renderme();
swapBuffers();
}
void ConcaveConvexcastDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float dt = getDeltaTimeMicroseconds() * 0.000001f;
if (m_animatedMesh)
{
static float offset=0.f;
offset+=0.01f;
int i;
int j;
btVector3 aabbMin(1e30,1e30,1e30);
btVector3 aabbMax(-1e30,-1e30,-1e30);
for ( i=NUM_VERTS_X/2-3;i<NUM_VERTS_X/2+2;i++)
{
for (j=NUM_VERTS_X/2-3;j<NUM_VERTS_Y/2+2;j++)
{
aabbMax.setMax(gVertices[i+j*NUM_VERTS_X]);
aabbMin.setMin(gVertices[i+j*NUM_VERTS_X]);
gVertices[i+j*NUM_VERTS_X].setValue((i-NUM_VERTS_X*0.5f)*TRIANGLE_SIZE,
//0.f,
waveheight*sinf((float)i+offset)*cosf((float)j+offset),
(j-NUM_VERTS_Y*0.5f)*TRIANGLE_SIZE);
aabbMin.setMin(gVertices[i+j*NUM_VERTS_X]);
aabbMax.setMax(gVertices[i+j*NUM_VERTS_X]);
}
}
trimeshShape->partialRefitTree(aabbMin,aabbMax);
//clear all contact points involving mesh proxy. Note: this is a slow/unoptimized operation.
m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(staticBody->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
}
m_dynamicsWorld->stepSimulation(dt);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
convexcastBatch.move (dt);
convexcastBatch.cast (m_dynamicsWorld);
renderme();
convexcastBatch.draw ();
glFlush();
glutSwapBuffers();
}
void KeplerBtDynamics::update()
{
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
float minFPS = 1000000.f/60.f;
if (ms > minFPS)
ms = minFPS;
if (m_dynamicsWorld)
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
}
void ParticlesDemo::clientMoveAndDisplay()
{
updateCamera();
glDisable(GL_LIGHTING);
glColor3f(1.f, 1.f, 1.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_TEXTURE_2D); // we always draw wireframe in this demo
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
renderme();
if (m_dialogDynamicsWorld)
m_dialogDynamicsWorld->draw(gTimeStep);
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(gTimeStep,0);//ms / 1000000.f);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
ms = getDeltaTimeMicroseconds();
glFlush();
glutSwapBuffers();
}
void SerializeDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
#ifdef DESERIALIZE_SOFT_BODIES
if (fSoftBodySolver)
fSoftBodySolver->copyBackToSoftBodies();
#endif
m_dynamicsWorld->debugDrawWorld();
#ifdef DESERIALIZE_SOFT_BODIES
if (m_dynamicsWorld->getWorldType()==BT_SOFT_RIGID_DYNAMICS_WORLD)
{
//optional but useful: debug drawing
btSoftRigidDynamicsWorld* softWorld = (btSoftRigidDynamicsWorld*)m_dynamicsWorld;
for ( int i=0;i<softWorld->getSoftBodyArray().size();i++)
{
btSoftBody* psb=(btSoftBody*)softWorld->getSoftBodyArray()[i];
if (softWorld->getDebugDrawer() && !(softWorld->getDebugDrawer()->getDebugMode() & (btIDebugDraw::DBG_DrawWireframe)))
{
btSoftBodyHelpers::DrawFrame(psb,softWorld->getDebugDrawer());
btSoftBodyHelpers::Draw(psb,softWorld->getDebugDrawer(),softWorld->getDrawFlags());
}
}
}
#endif //DESERIALIZE_SOFT_BODIES
}
renderme();
glFlush();
swapBuffers();
}
void ColladaDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float dt = getDeltaTimeMicroseconds() * 0.000001f;
m_dynamicsWorld->stepSimulation(dt);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
renderme();
glFlush();
glutSwapBuffers();
}
void PendulumApplication::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float dt = getDeltaTimeMicroseconds()/1000000.f;
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(dt);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
swapBuffers();
}
void PendulumApplication::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float dt = getDeltaTimeMicroseconds()/1000000.f;
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(dt);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
/*
if(m_corde != NULL && m_corde2 != NULL)
{
/// contrainte p1
btVector3 beg = m_corde->m_nodes[0].m_x;
btVector3 end = m_corde->m_nodes[m_corde->m_nodes.size()-1].m_x;
btVector3 res = beg - end;
btScalar mid = m_corde->m_nodes.size()/2;
if(res.x() > m_size_corde.x()+4 || res.y() > m_size_corde.y()+4||res.z() > m_size_corde.z()+4)
m_corde->cutLink(mid,mid+1,0.5);
/// contrainte p2
beg = m_corde2->m_nodes[0].m_x;
end = m_corde2->m_nodes[m_corde2->m_nodes.size()-1].m_x;
res = beg - end;
mid = m_corde2->m_nodes.size()/2;
if(res.x() > m_size_corde2.x()+3 || res.y() > m_size_corde2.y()+3 || res.z() > m_size_corde2.z()+3)
m_corde2->cutLink(mid,mid+1,0.5);
}
*/
renderme();
swapBuffers();
}
void TerrainDemo::clientMoveAndDisplay(void)
{
// elapsed time
float us = getDeltaTimeMicroseconds();
float seconds = 1.0e-6 * us;
// we'll carefully iterate through each time step so we can update
// the dynamic model if necessary
long nStepsPerIteration = 1;
while (seconds > 1.0e-6) {
float dt = nStepsPerIteration * s_engineTimeStep;
if (dt > seconds) {
dt = seconds;
}
seconds -= dt;
// std::cerr << " Stepping through " << dt << " seconds\n";
// if dynamic and radial, go ahead and update the field
if (m_rawHeightfieldData && m_isDynamic && eRadial == m_model) {
m_phase += s_deltaPhase * dt;
if (m_phase > 2.0 * SIMD_PI) {
m_phase -= 2.0 * SIMD_PI;
}
int bpe = getByteSize(m_type);
btAssert(bpe > 0 && "Bad bytes per element");
setRadial(m_rawHeightfieldData, bpe, m_type, m_phase);
}
if (m_dynamicsWorld) {
m_dynamicsWorld->stepSimulation(dt,
nStepsPerIteration + 1, s_engineTimeStep);
}
}
// okay, render
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderme();
glFlush();
glutSwapBuffers();
}
void RaytestDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
castRays();
if (m_dynamicsWorld)
{
float ms = getDeltaTimeMicroseconds();
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
void BulletXmlImportDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
///step the simulation
if (m_dynamicsWorld)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
swapBuffers();
}
void RagdollDemo::clientMoveAndDisplay()
{
int i;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
float minFPS = 1000000.f/60.f;
if (ms > minFPS)
ms = minFPS;
if (m_dynamicsWorld)
{
if (!pause || (pause && oneStep)) {
for (i = 0; i < 8; i++) {
double angle = drand48()*90. - 45.;
angle = 45.;
ActuateJoint2(i, angle, ms / 1000000.f);
}
//ActuateJoint(0, -45., ms / 1000000.f);
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
oneStep = false;
}
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
glutSwapBuffers();
}
void RagdollDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//simple dynamics world doesn't handle fixed-time-stepping
float ms = getDeltaTimeMicroseconds();
float minFPS = 1000000.f/60.f;
if (ms > minFPS)
ms = minFPS;
if (m_dynamicsWorld)
{
if(!pause)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
}
if (pause && oneStep)
{
m_dynamicsWorld->stepSimulation(ms / 1000000.f);
oneStep = !oneStep;
}
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
}
renderme();
glFlush();
glutSwapBuffers();
}
void SliderConstraintDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float dt = float(getDeltaTimeMicroseconds()) * 0.000001f;
//during idle mode, just run 1 simulation step maximum
int maxSimSubSteps = m_idle ? 1 : 1;
if(m_idle)
{
dt = 1.0/420.f;
}
int numSimSteps = m_dynamicsWorld->stepSimulation(dt,maxSimSubSteps);
//optional but useful: debug drawing
m_dynamicsWorld->debugDrawWorld();
bool verbose = false;
if (verbose)
{
if (!numSimSteps)
printf("Interpolated transforms\n");
else
{
if (numSimSteps > maxSimSubSteps)
{
//detect dropping frames
printf("Dropped (%i) simulation steps out of %i\n",numSimSteps - maxSimSubSteps,numSimSteps);
} else
{
printf("Simulated (%i) steps\n",numSimSteps);
}
}
}
renderme();
drawSlider(spSlider1);
drawSlider(spSlider2);
glFlush();
glutSwapBuffers();
} // SliderConstraintDemo::clientMoveAndDisplay()
