//to be implemented by the demo
void VehicleDemo::renderme()
{
updateCamera();
btScalar m[16];
int i;
btVector3 wheelColor(1,0,0);
btVector3 worldBoundsMin,worldBoundsMax;
getDynamicsWorld()->getBroadphase()->getBroadphaseAabb(worldBoundsMin,worldBoundsMax);
for (i=0;i<m_vehicle->getNumWheels();i++)
{
//synchronize the wheels with the (interpolated) chassis worldtransform
m_vehicle->updateWheelTransform(i,true);
//draw wheels (cylinders)
m_vehicle->getWheelInfo(i).m_worldTransform.getOpenGLMatrix(m);
m_shapeDrawer->drawOpenGL(m,m_wheelShape,wheelColor,getDebugMode(),worldBoundsMin,worldBoundsMax);
}
DemoApplication::renderme();
}
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.,0);//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();
}
mmdpiMatrix mmdpiBullet::get_matrix( mmdpiMatrix *mOut, int object_id )
{
mmdpiMatrix matrix, matrix_t;
//btCollisionObject* obj = getDiscreteDynamicsWorld()->getCollisionObjectArray()[ rigidbody_id ];
btCollisionObject* obj = getDynamicsWorld()->getCollisionObjectArray()[ object_id ];
btTransform trans; // bulletから情報を取得
btRigidBody* body = btRigidBody::upcast( obj );
body->getMotionState()->getWorldTransform( trans );
// 行列取得
//float m[ 16 ];
//trans.getOpenGLMatrix( m );
//dxo_ConvertMatrixOpenGLToDirectx( ( float * )&matrix, m );
//trans.getOpenGLMatrix( ( btScalar * )&matrix );
//btMatrix3x3 rot = trans.getBasis();
//btVector3 euler;
//rot.getEulerZYX( euler[ 2 ], euler[ 1 ], euler[ 0 ] );
//dxo_MatrixTransRotate( &matrix,
// trans.getOrigin().getX(), trans.getOrigin().getY(), trans.getOrigin().getZ(),
// euler[ 0 ], euler[ 1 ], euler[ 2 ] );
trans.getOpenGLMatrix( ( btScalar * )&matrix[ 0 ] );
if( mOut )
*mOut = matrix;
return matrix;
}
//to be implemented by the demo
void ForkLiftDemo::renderme()
{
updateCamera();
btScalar m[16];
int i;
btVector3 wheelColor(1,0,0);
btVector3 worldBoundsMin,worldBoundsMax;
getDynamicsWorld()->getBroadphase()->getBroadphaseAabb(worldBoundsMin,worldBoundsMax);
for (i=0;i<m_vehicle->getNumWheels();i++)
{
//synchronize the wheels with the (interpolated) chassis worldtransform
m_vehicle->updateWheelTransform(i,true);
//draw wheels (cylinders)
m_vehicle->getWheelInfo(i).m_worldTransform.getOpenGLMatrix(m);
m_shapeDrawer->drawOpenGL(m,m_wheelShape,wheelColor,getDebugMode(),worldBoundsMin,worldBoundsMax);
}
int lineWidth=250;
int xStart = m_glutScreenWidth - lineWidth;
int yStart = 20;
if((getDebugMode() & btIDebugDraw::DBG_NoHelpText)==0)
{
setOrthographicProjection();
glDisable(GL_LIGHTING);
glColor3f(0, 0, 0);
char buf[124];
glRasterPos3f(xStart, yStart, 0);
sprintf(buf,"SHIFT+Cursor Left/Right - rotate lift");
GLDebugDrawString(xStart,20,buf);
yStart+=20;
glRasterPos3f(xStart, yStart, 0);
sprintf(buf,"SHIFT+Cursor UP/Down - move fork up/down");
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
glRasterPos3f(xStart, yStart, 0);
sprintf(buf,"F5 - toggle camera mode");
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
glRasterPos3f(xStart, yStart, 0);
sprintf(buf,"Click inside this window for keyboard focus");
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
resetPerspectiveProjection();
glEnable(GL_LIGHTING);
}
DemoApplication::renderme();
}
int mmdpiBullet::advance_time_physical( int fps, float frametime )
{
// 1ループにかかった時間を計測
float wait_time_local = 1.0f / fps;
float fMilliSec = frametime * 1000.0f * wait_time_local;
getDynamicsWorld()->stepSimulation( fMilliSec, _MMDPI_BULLET_STEP_/*, wait_time_local / 1000.0f*/ );
return 0;
}
void DemoApplication::clientResetScene()
{
#ifdef SHOW_NUM_DEEP_PENETRATIONS
gNumDeepPenetrationChecks = 0;
gNumGjkChecks = 0;
#endif //SHOW_NUM_DEEP_PENETRATIONS
gNumClampedCcdMotions = 0;
int numObjects = 0;
int i;
if (m_dynamicsWorld)
{
numObjects = m_dynamicsWorld->getNumCollisionObjects();
///create a copy of the array, not a reference!
btCollisionObjectArray copyArray = m_dynamicsWorld->getCollisionObjectArray();
for (i=0;i<numObjects;i++)
{
btCollisionObject* colObj = copyArray[i];
btRigidBody* body = btRigidBody::upcast(colObj);
if (body)
{
if (body->getMotionState())
{
btDefaultMotionState* myMotionState = (btDefaultMotionState*)body->getMotionState();
myMotionState->m_graphicsWorldTrans = myMotionState->m_startWorldTrans;
body->setCenterOfMassTransform( myMotionState->m_graphicsWorldTrans );
colObj->setInterpolationWorldTransform( myMotionState->m_startWorldTrans );
colObj->forceActivationState(ACTIVE_TAG);
colObj->activate();
colObj->setDeactivationTime(0);
//colObj->setActivationState(WANTS_DEACTIVATION);
}
//removed cached contact points (this is not necessary if all objects have been removed from the dynamics world)
//m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(colObj->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
btRigidBody* body = btRigidBody::upcast(colObj);
if (body && !body->isStaticObject())
{
btRigidBody::upcast(colObj)->setLinearVelocity(btVector3(0,0,0));
btRigidBody::upcast(colObj)->setAngularVelocity(btVector3(0,0,0));
}
}
}
///reset some internal cached data in the broadphase
m_dynamicsWorld->getBroadphase()->resetPool(getDynamicsWorld()->getDispatcher());
m_dynamicsWorld->getConstraintSolver()->reset();
}
}
int mmdpiBullet::set_matrix( int object_id, mmdpiMatrix *mIn )
{
//btCollisionObject* obj = getDiscreteDynamicsWorld()->getCollisionObjectArray()[ rigidbody_id ];
btCollisionObject* obj = getDynamicsWorld()->getCollisionObjectArray()[ object_id ];
btTransform trans; // bulletから情報を取得
btRigidBody* body = btRigidBody::upcast( obj );
//mmdpiMatrix m = *mIn; //m._43 = m._43;
body->getMotionState()->setWorldTransform( matrix_to_btTransMatrix( mIn ) );
return 0;
}
mmdpiBullet::~mmdpiBullet()
{
// ボディー
for( int i = 0; i < getDiscreteDynamicsWorld()->getNumCollisionObjects() - 1; i ++ )
{
btCollisionObject* obj = getDiscreteDynamicsWorld()->getCollisionObjectArray()[ i ];
btRigidBody* body = btRigidBody::upcast( obj );
getDiscreteDynamicsWorld()->removeCollisionObject( obj );
delete obj;
}
for( int j = 0; j < collisionShapes.size(); j ++ )
{
btCollisionShape* shape = collisionShapes[ j ];
delete shape;
}
// ジョイント
for( int i = 0; i < getDynamicsWorld()->getNumConstraints(); i ++ )
{
btTypedConstraint* p2p = getDynamicsWorld()->getConstraint( i );
//getDynamicsWorld()->removeConstraint( p2p );
delete p2p;
}
collisionShapes.clear();
//delete dynamics world
delete dynamicsWorld;
//delete solver
delete solver;
//delete broadphase
delete overlappingPairCache;
//delete dispatcher
delete dispatcher;
delete collisionConfiguration;
///-----cleanup_end-----
}
btRigidBody* Physics::addRigidBody(Ogre::Entity* entity, Ogre::SceneNode* node, btCollisionShape *rigidShape,
btScalar mass, btScalar rest, btVector3 localInertia, btVector3 origin, btQuaternion *rotation) {
btTransform startTransform;
startTransform.setIdentity();
startTransform.setOrigin(origin);
if (rotation) {
startTransform.setRotation(*rotation);
}
rigidShape->calculateLocalInertia(mass, localInertia);
// Instantiate the body and add it to the dynamics world
btDefaultMotionState *myMotionState = new btDefaultMotionState(startTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass, myMotionState, rigidShape, localInertia);
btRigidBody *body = new btRigidBody(rbInfo);
body->setRestitution(rest);
body->setUserPointer(node);
getDynamicsWorld()->addRigidBody(body);
return body;
}
void CcdPhysicsDemo::displayCallback(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderme();
displayText();
//optional but useful: debug drawing to detect problems
if (m_dynamicsWorld)
{
m_dynamicsWorld->debugDrawWorld();
}
#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 gkScene::createInstanceImpl(void)
{
if (m_objects.empty())
{
gkPrintf("Scene: '%s' Has no creatable objects.\n", m_name.getName().c_str());
m_instanceState = ST_ERROR;
return;
}
if (!m_window)
setDisplayWindow(gkWindowSystem::getSingleton().getMainWindow());
// generic for now, but later scene properties will be used
// to extract more detailed management information
m_manager = Ogre::Root::getSingleton().createSceneManager(Ogre::ST_GENERIC, m_name.getFullName());
#if OGREKIT_USE_RTSHADER_SYSTEM
Ogre::RTShader::ShaderGenerator::getSingleton().addSceneManager(m_manager);
#endif
m_skybox = gkMaterialLoader::loadSceneSkyMaterial(this, m_baseProps.m_material);
// create the world
(void)getDynamicsWorld();
gkGameObjectHashMap::Iterator it = m_objects.iterator();
while (it.hasMoreElements())
{
gkGameObject* gobj = it.getNext().second;
if (!gobj->isInstanced())
{
// Skip creation of inactive layers
if (m_layers & gobj->getLayer())
{
// call builder
gobj->createInstance();
}
}
}
// Build groups.
gkGroupManager::getSingleton().createGameObjectInstances(this);
if (gkEngine::getSingleton().getUserDefs().buildStaticGeometry)
gkGroupManager::getSingleton().createStaticBatches(this);
// Build parent / child hierarchy.
_applyBuiltinParents(m_instanceObjects);
// Build physics.
_applyBuiltinPhysics(m_instanceObjects);
if (!m_viewport)
{
// setMainCamera has not been called, try to call
if (m_startCam)
setMainCamera(m_startCam);
else
{
if (!m_cameras.empty())
setMainCamera(m_cameras.at(0));
else
{
m_startCam = createCamera(" -- No Camera -- ");
m_startCam->getProperties().m_transform.set(
gkVector3(0, -5, 0),
gkEuler(90.f, 0.f, 0.f).toQuaternion(),
gkVector3(1.f, 1.f, 1.f)
);
m_startCam->createInstance();
setMainCamera(m_startCam);
}
}
}
GK_ASSERT(m_viewport);
m_viewport->getViewport()->setBackgroundColour(m_baseProps.m_material.m_horizon);
m_manager->setAmbientLight(m_baseProps.m_material.m_ambient);
#if OGRE_NO_VIEWPORT_ORIENTATIONMODE != 0
const gkString& iparam = gkEngine::getSingleton().getUserDefs().viewportOrientation;
if (!iparam.empty())
{
int oparam = Ogre::OR_PORTRAIT;
if (iparam == "landscaperight") //viewport orientation is reversed.
{
oparam = Ogre::OR_LANDSCAPELEFT;
// gkLogger::write("Set Orientation: OR_LANDSCAPELEFT",true);
}
else if (iparam == "landscapeleft") {
oparam = Ogre::OR_LANDSCAPERIGHT;
// gkLogger::write("Set Orientation: OR_LANDSCAPERIGHT",true);
}
try{
m_viewport->getViewport()->setOrientationMode((Ogre::OrientationMode)oparam);
} catch (...) {
gkLogger::write("Problem setting Viewport Orientation");
}
}
#endif
if (m_baseProps.m_fog.m_mode != gkFogParams::FM_NONE)
{
m_manager->setFog( m_baseProps.m_fog.m_mode == gkFogParams::FM_QUAD ? Ogre::FOG_EXP2 :
m_baseProps.m_fog.m_mode == gkFogParams::FM_LIN ? Ogre::FOG_LINEAR :
Ogre::FOG_EXP,
m_baseProps.m_fog.m_color,
m_baseProps.m_fog.m_intensity,
m_baseProps.m_fog.m_start,
m_baseProps.m_fog.m_end);
}
//Enable Shadows
setShadows();
#ifdef OGREKIT_OPENAL_SOUND
// Set sound scene.
gkSoundManager& sndMgr = gkSoundManager::getSingleton();
sndMgr.getProperties() = m_soundScene;
sndMgr.updateSoundProperties();
#endif
// notify main scene
gkEngine::getSingleton().registerActiveScene(this);
}
//------------------------------------------------------------------------------
void GimpactConcaveDemo::renderme()
{
updateCamera();
btScalar m[16];
if (m_dynamicsWorld)
{
btVector3 worldBoundsMin,worldBoundsMax;
getDynamicsWorld()->getBroadphase()->getBroadphaseAabb(worldBoundsMin,worldBoundsMax);
int numObjects = m_dynamicsWorld->getNumCollisionObjects();
btVector3 wireColor(1,0,0);
for (int i=0;i<numObjects;i++)
{
btCollisionObject* colObj = m_dynamicsWorld->getCollisionObjectArray()[i];
btRigidBody* body = btRigidBody::upcast(colObj);
if (body && body->getMotionState())
{
btDefaultMotionState* myMotionState = (btDefaultMotionState*)body->getMotionState();
myMotionState->m_graphicsWorldTrans.getOpenGLMatrix(m);
} else
{
colObj->getWorldTransform().getOpenGLMatrix(m);
}
btVector3 wireColor(1.f,1.0f,0.5f); //wants deactivation
if (i & 1)
{
wireColor = btVector3(0.f,0.0f,1.f);
}
///color differently for active, sleeping, wantsdeactivation states
if (colObj->getActivationState() == 1) //active
{
if (i & 1)
{
wireColor += btVector3 (0.8f,0.1f,0.1f);
} else
{
wireColor += btVector3 (0.5f,0.f,0.f);
}
}
if (colObj->getActivationState() == 2) //ISLAND_SLEEPING
{
if (i & 1)
{
wireColor += btVector3 (0.5f,0.8f, 0.5f);
} else
{
wireColor += btVector3 (0.f,0.5f,0.f);
}
}
m_shapeDrawer->drawOpenGL(m,colObj->getCollisionShape(),wireColor,getDebugMode(),worldBoundsMin,worldBoundsMax);
}
float xOffset = 10.f;
float yStart = 20.f;
float yIncr = 20.f;
char buf[124];
glColor3f(0, 0, 0);
setOrthographicProjection();
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"mouse to interact");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
/* glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"space to reset");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
*/
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"cursor keys and z,x to navigate");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"i to toggle simulation, s single step");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"q to quit");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,". to shoot TRIMESH (dot)");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
// not yet hooked up again after refactoring...
/* glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"d to toggle deactivation");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
*/
/*
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"a to draw temporal AABBs");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
*/
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"h to toggle help text");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
//bool useBulletLCP = !(getDebugMode() & btIDebugDraw::DBG_DisableBulletLCP);
bool useCCD = ((getDebugMode() & btIDebugDraw::DBG_EnableCCD) != 0);
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"1 CCD mode (adhoc) = %i",useCCD);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"+- shooting speed = %10.2f",m_ShootBoxInitialSpeed);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
#ifdef SHOW_NUM_DEEP_PENETRATIONS
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"gNumDeepPenetrationChecks = %d",gNumDeepPenetrationChecks);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"gNumSplitImpulseRecoveries= %d",gNumSplitImpulseRecoveries);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"gNumGjkChecks= %d",gNumGjkChecks);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
#endif //SHOW_NUM_DEEP_PENETRATIONS
resetPerspectiveProjection();
}
}
void SerializeDemo::initPhysics()
{
setTexturing(true);
setShadows(false);//true);
setCameraDistance(btScalar(SCALING*30.));
setupEmptyDynamicsWorld();
#ifdef DESERIALIZE_SOFT_BODIES
m_fileLoader = new MySoftBulletWorldImporter((btSoftRigidDynamicsWorld*)m_dynamicsWorld);
#else
m_fileLoader = new btBulletWorldImporter(m_dynamicsWorld);
#endif //DESERIALIZE_SOFT_BODIES
m_fileLoader->setVerboseMode(m_verboseMode);
if (!m_fileLoader->loadFile("testFile.bullet"))
// if (!m_fileLoader->loadFile("../SoftDemo/testFile.bullet"))
{
///create a few basic rigid bodies and save them to testFile.bullet
btCollisionShape* groundShape = new btBoxShape(btVector3(btScalar(50.),btScalar(50.),btScalar(50.)));
// btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0,1,0),50);
btCollisionObject* groundObject = 0;
m_collisionShapes.push_back(groundShape);
btTransform groundTransform;
groundTransform.setIdentity();
groundTransform.setOrigin(btVector3(0,-50,0));
//We can also use DemoApplication::localCreateRigidBody, but for clarity it is provided here:
{
btScalar mass(0.);
//rigidbody is dynamic if and only if mass is non zero, otherwise static
bool isDynamic = (mass != 0.f);
btVector3 localInertia(0,0,0);
if (isDynamic)
groundShape->calculateLocalInertia(mass,localInertia);
//using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
btDefaultMotionState* myMotionState = new btDefaultMotionState(groundTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,groundShape,localInertia);
btRigidBody* body = new btRigidBody(rbInfo);
//add the body to the dynamics world
m_dynamicsWorld->addRigidBody(body);
groundObject = body;
}
{
//create a few dynamic rigidbodies
// Re-using the same collision is better for memory usage and performance
int numSpheres = 2;
btVector3 positions[2] = {btVector3(0.1f,0.2f,0.3f),btVector3(0.4f,0.5f,0.6f)};
btScalar radii[2] = {0.3f,0.4f};
btMultiSphereShape* colShape = new btMultiSphereShape(positions,radii,numSpheres);
//btCollisionShape* colShape = new btCapsuleShapeZ(SCALING*1,SCALING*1);
//btCollisionShape* colShape = new btCylinderShapeZ(btVector3(SCALING*1,SCALING*1,SCALING*1));
//btCollisionShape* colShape = new btBoxShape(btVector3(SCALING*1,SCALING*1,SCALING*1));
//btCollisionShape* colShape = new btSphereShape(btScalar(1.));
m_collisionShapes.push_back(colShape);
/// Create Dynamic Objects
btTransform startTransform;
startTransform.setIdentity();
btScalar mass(1.f);
//rigidbody is dynamic if and only if mass is non zero, otherwise static
bool isDynamic = (mass != 0.f);
btVector3 localInertia(0,0,0);
if (isDynamic)
colShape->calculateLocalInertia(mass,localInertia);
float start_x = START_POS_X - ARRAY_SIZE_X/2;
float start_y = START_POS_Y;
float start_z = START_POS_Z - ARRAY_SIZE_Z/2;
for (int k=0;k<ARRAY_SIZE_Y;k++)
{
for (int i=0;i<ARRAY_SIZE_X;i++)
{
for(int j = 0;j<ARRAY_SIZE_Z;j++)
{
startTransform.setOrigin(SCALING*btVector3(
btScalar(2.0*i + start_x),
btScalar(20+2.0*k + start_y),
btScalar(2.0*j + start_z)));
//using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
btDefaultMotionState* myMotionState = new btDefaultMotionState(startTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,colShape,localInertia);
btRigidBody* body = new btRigidBody(rbInfo);
m_dynamicsWorld->addRigidBody(body);
//body->setActivationState(ISLAND_SLEEPING);
}
}
}
}
int maxSerializeBufferSize = 1024*1024*5;
btDefaultSerializer* serializer = new btDefaultSerializer(maxSerializeBufferSize);
static const char* groundName = "GroundName";
serializer->registerNameForPointer(groundObject, groundName);
for (int i=0;i<m_collisionShapes.size();i++)
{
char* name = new char[20];
sprintf(name,"name%d",i);
serializer->registerNameForPointer(m_collisionShapes[i],name);
}
btPoint2PointConstraint* p2p = new btPoint2PointConstraint(*(btRigidBody*)getDynamicsWorld()->getCollisionObjectArray()[2],btVector3(0,1,0));
m_dynamicsWorld->addConstraint(p2p);
const char* name = "constraintje";
serializer->registerNameForPointer(p2p,name);
m_dynamicsWorld->serialize(serializer);
#if 1
FILE* f2 = fopen("testFile.bullet","wb");
fwrite(serializer->getBufferPointer(),serializer->getCurrentBufferSize(),1,f2);
fclose(f2);
#endif
}
//clientResetScene();
}
void SerializeDemo::keyboardCallback(unsigned char key, int x, int y)
{
btAlignedObjectArray<btRigidBody*> bodies;
if (key == 'g')
{
int numManifolds = getDynamicsWorld()->getDispatcher()->getNumManifolds();
for (int i=0;i<numManifolds;i++)
{
btPersistentManifold* manifold = getDynamicsWorld()->getDispatcher()->getManifoldByIndexInternal(i);
if (!manifold->getNumContacts())
continue;
btScalar minDist = 1e30f;
int minIndex = -1;
for (int v=0;v<manifold->getNumContacts();v++)
{
if (minDist >manifold->getContactPoint(v).getDistance())
{
minDist = manifold->getContactPoint(v).getDistance();
minIndex = v;
}
}
if (minDist>0.)
continue;
btCollisionObject* colObj0 = (btCollisionObject*)manifold->getBody0();
btCollisionObject* colObj1 = (btCollisionObject*)manifold->getBody1();
// int tag0 = (colObj0)->getIslandTag();
// int tag1 = (colObj1)->getIslandTag();
btRigidBody* body0 = btRigidBody::upcast(colObj0);
btRigidBody* body1 = btRigidBody::upcast(colObj1);
if (bodies.findLinearSearch(body0)==bodies.size())
bodies.push_back(body0);
if (bodies.findLinearSearch(body1)==bodies.size())
bodies.push_back(body1);
if (body0 && body1)
{
if (!colObj0->isStaticOrKinematicObject() && !colObj1->isStaticOrKinematicObject())
{
if (body0->checkCollideWithOverride(body1))
{
{
btTransform trA,trB;
trA.setIdentity();
trB.setIdentity();
btVector3 contactPosWorld = manifold->getContactPoint(minIndex).m_positionWorldOnA;
btTransform globalFrame;
globalFrame.setIdentity();
globalFrame.setOrigin(contactPosWorld);
trA = body0->getWorldTransform().inverse()*globalFrame;
trB = body1->getWorldTransform().inverse()*globalFrame;
btGeneric6DofConstraint* dof6 = new btGeneric6DofConstraint(*body0,*body1,trA,trB,true);
dof6->setOverrideNumSolverIterations(100);
dof6->setBreakingImpulseThreshold(35);
for (int i=0;i<6;i++)
dof6->setLimit(i,0,0);
getDynamicsWorld()->addConstraint(dof6,true);
}
}
}
}
}
for (int i=0;i<bodies.size();i++)
{
getDynamicsWorld()->removeRigidBody(bodies[i]);
getDynamicsWorld()->addRigidBody(bodies[i]);
}
}else
{
PlatformDemoApplication::keyboardCallback(key,x,y);
}
}
void InternalEdgeDemo::initPhysics()
{
setTexturing(true);
setShadows(false);//true);
#define TRISIZE 10.f
gContactAddedCallback = CustomMaterialCombinerCallback;
#define USE_TRIMESH_SHAPE 1
#ifdef USE_TRIMESH_SHAPE
int vertStride = sizeof(btVector3);
int indexStride = 3*sizeof(int);
const int totalTriangles = 2*(NUM_VERTS_X-1)*(NUM_VERTS_Y-1);
gVertices = new btVector3[totalVerts];
gIndices = new int[totalTriangles*3];
int i;
setVertexPositions(waveheight,0.f);
//gVertices[1].setY(21.1);
//gVertices[1].setY(121.1);
gVertices[1].setY(.1f);
#ifdef ROTATE_GROUND
//gVertices[1].setY(-1.1);
#else
//gVertices[1].setY(0.1);
//gVertices[1].setY(-0.1);
//gVertices[1].setY(-20.1);
//gVertices[1].setY(-20);
#endif
int index=0;
for ( i=0;i<NUM_VERTS_X-1;i++)
{
for (int j=0;j<NUM_VERTS_Y-1;j++)
{
#ifdef SWAP_WINDING
#ifdef SHIFT_INDICES
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
#else
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i;
#endif //SHIFT_INDICES
#else //SWAP_WINDING
#ifdef SHIFT_INDICES
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = j*NUM_VERTS_X+i+1;
#ifdef TEST_INCONSISTENT_WINDING
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
#else //TEST_INCONSISTENT_WINDING
gIndices[index++] = (j+1)*NUM_VERTS_X+i;
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
#endif //TEST_INCONSISTENT_WINDING
#else //SHIFT_INDICES
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = j*NUM_VERTS_X+i+1;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = j*NUM_VERTS_X+i;
gIndices[index++] = (j+1)*NUM_VERTS_X+i+1;
gIndices[index++] = (j+1)*NUM_VERTS_X+i;
#endif //SHIFT_INDICES
#endif //SWAP_WINDING
}
}
m_indexVertexArrays = new btTriangleIndexVertexArray(totalTriangles,
gIndices,
indexStride,
totalVerts,(btScalar*) &gVertices[0].x(),vertStride);
bool useQuantizedAabbCompression = true;
//comment out the next line to read the BVH from disk (first run the demo once to create the BVH)
#define SERIALIZE_TO_DISK 1
#ifdef SERIALIZE_TO_DISK
btVector3 aabbMin(-1000,-1000,-1000),aabbMax(1000,1000,1000);
trimeshShape = new btBvhTriangleMeshShape(m_indexVertexArrays,useQuantizedAabbCompression,aabbMin,aabbMax);
m_collisionShapes.push_back(trimeshShape);
///we can serialize the BVH data
void* buffer = 0;
int numBytes = trimeshShape->getOptimizedBvh()->calculateSerializeBufferSize();
buffer = btAlignedAlloc(numBytes,16);
bool swapEndian = false;
trimeshShape->getOptimizedBvh()->serialize(buffer,numBytes,swapEndian);
#ifdef __QNX__
FILE* file = fopen("app/native/bvh.bin","wb");
#else
FILE* file = fopen("bvh.bin","wb");
#endif
fwrite(buffer,1,numBytes,file);
fclose(file);
btAlignedFree(buffer);
#else
trimeshShape = new btBvhTriangleMeshShape(m_indexVertexArrays,useQuantizedAabbCompression,false);
char* fileName = "bvh.bin";
#ifdef __QNX__
char* fileName = "app/native/bvh.bin";
#else
char* fileName = "bvh.bin";
#endif
int size=0;
btOptimizedBvh* bvh = 0;
if (fseek(file, 0, SEEK_END) || (size = ftell(file)) == EOF || fseek(file, 0, SEEK_SET)) { /* File operations denied? ok, just close and return failure */
printf("Error: cannot get filesize from %s\n", fileName);
exit(0);
} else
{
fseek(file, 0, SEEK_SET);
int buffersize = size+btOptimizedBvh::getAlignmentSerializationPadding();
void* buffer = btAlignedAlloc(buffersize,16);
int read = fread(buffer,1,size,file);
fclose(file);
bool swapEndian = false;
bvh = btOptimizedBvh::deSerializeInPlace(buffer,buffersize,swapEndian);
}
trimeshShape->setOptimizedBvh(bvh);
#endif
btCollisionShape* groundShape = trimeshShape;
btTriangleInfoMap* triangleInfoMap = new btTriangleInfoMap();
btGenerateInternalEdgeInfo(trimeshShape,triangleInfoMap);
#else
btCollisionShape* groundShape = new btBoxShape(btVector3(50,3,50));
m_collisionShapes.push_back(groundShape);
#endif //USE_TRIMESH_SHAPE
m_collisionConfiguration = new btDefaultCollisionConfiguration();
m_dispatcher = new btCollisionDispatcher(m_collisionConfiguration);
m_broadphase = new btDbvtBroadphase();
m_solver = new btSequentialImpulseConstraintSolver();
m_dynamicsWorld = new btDiscreteDynamicsWorld(m_dispatcher,m_broadphase,m_solver,m_collisionConfiguration);
/*
m_dynamicsWorld->getSolverInfo().m_splitImpulse = true;
m_dynamicsWorld->getSolverInfo().m_splitImpulsePenetrationThreshold = 1e30f;
m_dynamicsWorld->getSolverInfo().m_maxErrorReduction = 1e30f;
m_dynamicsWorld->getSolverInfo().m_erp =1.f;
m_dynamicsWorld->getSolverInfo().m_erp2 = 1.f;
*/
m_dynamicsWorld->setGravity(btVector3(0,-10,0));
float mass = 0.f;
btTransform startTransform;
startTransform.setIdentity();
startTransform.setOrigin(btVector3(0,-2,0));
btConvexHullShape* colShape = new btConvexHullShape();
for (int i=0;i<TaruVtxCount;i++)
{
btVector3 vtx(TaruVtx[i*3],TaruVtx[i*3+1],TaruVtx[i*3+2]);
colShape->addPoint(vtx);
}
//this will enable polyhedral contact clipping, better quality, slightly slower
colShape->initializePolyhedralFeatures();
//the polyhedral contact clipping can use either GJK or SAT test to find the separating axis
m_dynamicsWorld->getDispatchInfo().m_enableSatConvex=false;
m_collisionShapes.push_back(colShape);
{
for (int i=0;i<1;i++)
{
startTransform.setOrigin(btVector3(-10.f+i*3.f,2.2f+btScalar(i)*0.1f,-1.3f));
btRigidBody* body = localCreateRigidBody(10, startTransform,colShape);
body->setActivationState(DISABLE_DEACTIVATION);
body->setLinearVelocity(btVector3(0,0,-1));
//body->setContactProcessingThreshold(0.f);
}
}
{
btBoxShape* colShape = new btBoxShape(btVector3(1,1,1));
colShape->initializePolyhedralFeatures();
m_collisionShapes.push_back(colShape);
startTransform.setOrigin(btVector3(-16.f+i*3.f,1.f+btScalar(i)*0.1f,-1.3f));
btRigidBody* body = localCreateRigidBody(10, startTransform,colShape);
body->setActivationState(DISABLE_DEACTIVATION);
body->setLinearVelocity(btVector3(0,0,-1));
}
startTransform.setIdentity();
#ifdef ROTATE_GROUND
btQuaternion orn(btVector3(0,0,1),SIMD_PI);
startTransform.setOrigin(btVector3(-20,0,0));
startTransform.setRotation(orn);
#endif //ROTATE_GROUND
staticBody = localCreateRigidBody(mass, startTransform,groundShape);
//staticBody->setContactProcessingThreshold(-0.031f);
staticBody->setCollisionFlags(staticBody->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);//STATIC_OBJECT);
//enable custom material callback
staticBody->setCollisionFlags(staticBody->getCollisionFlags() | btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);
setDebugMode(btIDebugDraw::DBG_DrawText|btIDebugDraw::DBG_NoHelpText+btIDebugDraw::DBG_DrawWireframe+btIDebugDraw::DBG_DrawContactPoints);
#ifdef BT_INTERNAL_EDGE_DEBUG_DRAW
btSetDebugDrawer(&gDebugDrawer);
#endif //BT_INTERNAL_EDGE_DEBUG_DRAW
}
void BasicDemo::initPhysics()
{
setTexturing(false);
setShadows(false);
#if OECAKE_LOADER
setCameraDistance(80.);
m_cameraTargetPosition.setValue(50, 10, 0);
#else
#if LARGE_DEMO
setCameraDistance(btScalar(SCALING*100.));
#else
setCameraDistance(btScalar(SCALING*20.));
#endif
m_cameraTargetPosition.setValue(START_POS_X, -START_POS_Y-20, START_POS_Z);
#endif
m_azi = btScalar(0.f);
m_ele = btScalar(0.f);
///collision configuration contains default setup for memory, collision setup
btDefaultCollisionConstructionInfo dci;
dci.m_defaultMaxPersistentManifoldPoolSize=50000;
dci.m_defaultMaxCollisionAlgorithmPoolSize=50000;
m_collisionConfiguration = new btDefaultCollisionConfiguration(dci);
///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
m_dispatcher = new btCollisionDispatcher(m_collisionConfiguration);
m_dispatcher->registerCollisionCreateFunc(BOX_SHAPE_PROXYTYPE,BOX_SHAPE_PROXYTYPE,new btEmptyAlgorithm::CreateFunc);
m_dispatcher->setNearCallback(cudaDemoNearCallback);
#if USE_CUDA_DEMO_PAIR_CASHE
gPairCache = new (btAlignedAlloc(sizeof(btGpuDemoPairCache),16)) btGpuDemoPairCache(MAX_PROXIES, 24, MAX_SMALL_PROXIES);
#else
gPairCache = new (btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16))btHashedOverlappingPairCache();
#endif
// btVector3 numOfCells = (gWorldMax - gWorldMin) / (2. * SCALING);
// btVector3 numOfCells = (gWorldMax - gWorldMin) / CELL_SIZE;
// int numOfCellsX = (int)numOfCells[0];
// int numOfCellsY = (int)numOfCells[1];
// int numOfCellsZ = (int)numOfCells[2];
// if(!numOfCellsX) numOfCellsX = 1;
// if(!numOfCellsY) numOfCellsY = 1;
// if(!numOfCellsZ) numOfCellsZ = 1;
btScalar maxDiam = 2.0f * SCALING;
btVector3 cellSize(maxDiam, maxDiam, maxDiam);
btVector3 numOfCells = (gWorldMax - gWorldMin) / cellSize;
int numOfCellsX = btGpu3DGridBroadphase::getFloorPowOfTwo((int)numOfCells[0]);
int numOfCellsY = btGpu3DGridBroadphase::getFloorPowOfTwo((int)numOfCells[1]);
int numOfCellsZ = btGpu3DGridBroadphase::getFloorPowOfTwo((int)numOfCells[2]);
// m_broadphase = new btAxisSweep3(gWorldMin, gWorldMax, MAX_PROXIES,gPairCache);
// m_broadphase = new btDbvtBroadphase(gPairCache);
// m_broadphase = new btGpu3DGridBroadphase(gPairCache, gWorldMin, gWorldMax,numOfCellsX, numOfCellsY, numOfCellsZ,MAX_SMALL_PROXIES,20,24,24, 1.0f/1.5f);
// m_broadphase = new btCudaBroadphase(gPairCache, gWorldMin, gWorldMax,numOfCellsX, numOfCellsY, numOfCellsZ,MAX_SMALL_PROXIES,10,24,24);
// m_broadphase = new bt3dGridBroadphaseOCL(gPairCache, gWorldMin, gWorldMax,numOfCellsX, numOfCellsY, numOfCellsZ,MAX_SMALL_PROXIES,20,24,24,1./1.5);
m_broadphase = new bt3dGridBroadphaseOCL(gPairCache, cellSize,numOfCellsX, numOfCellsY, numOfCellsZ,MAX_SMALL_PROXIES,20,24,10.f, 24);
///the default constraint solver
m_solver = new btSequentialImpulseConstraintSolver();
btGpuDemoDynamicsWorld* pDdw = new btGpuDemoDynamicsWorld(m_dispatcher,m_broadphase,m_solver,m_collisionConfiguration, MAX_PROXIES);
m_dynamicsWorld = pDdw;
m_pWorld = pDdw;
pDdw->getSimulationIslandManager()->setSplitIslands(true);
pDdw->setObjRad(SCALING);
pDdw->setWorldMin(gWorldMin);
pDdw->setWorldMax(gWorldMax);
// gUseCPUSolver = true;
pDdw->setUseCPUSolver(gUseCPUSolver);
gUseBulletNarrowphase = false;
pDdw->setUseBulletNarrowphase(gUseBulletNarrowphase);
// m_dynamicsWorld->setGravity(btVector3(0,0,0));
m_dynamicsWorld->setGravity(btVector3(0,-10.,0));
m_dynamicsWorld->getSolverInfo().m_numIterations = 4;
{
//create a few dynamic rigidbodies
// Re-using the same collision is better for memory usage and performance
#if 1
#define SPRADIUS btScalar(SCALING*0.1f)
#define SPRPOS btScalar(SCALING*0.05f)
static btVector3 sSphPos[8];
for (int k=0;k<8;k++)
{
sSphPos[k].setValue((k-4)*0.25*SCALING,0,0);
}
btVector3 inertiaHalfExtents(SPRADIUS, SPRADIUS, SPRADIUS);
static btScalar sSphRad[8] =
{
// SPRADIUS, SPRADIUS, SPRADIUS, SPRADIUS,SPRADIUS, SPRADIUS, SPRADIUS, 0.3
SPRADIUS, SPRADIUS, SPRADIUS, SPRADIUS,SPRADIUS, SPRADIUS, SPRADIUS, SPRADIUS
};
// sSphPos[0].setX(sSphPos[0].getX()-0.15);
#undef SPR
btMultiSphereShape* colShape[2];
colShape[0] = new btMultiSphereShape( sSphPos, sSphRad, 8);
colShape[1] = new btMultiSphereShape( sSphPos, sSphRad, 2);
//btCollisionShape* colShape = new btSphereShape(btScalar(1.));
m_collisionShapes.push_back(colShape[0]);
m_collisionShapes.push_back(colShape[1]);
#endif
/// Create Dynamic Objects
btTransform startTransform;
startTransform.setIdentity();
btScalar mass(0.f);
//rigidbody is dynamic if and only if mass is non zero, otherwise static
bool isDynamic = (mass != 0.f);
btVector3 localInertia(0,0,0);
#if OECAKE_LOADER
BasicDemoOecakeLoader loader(this);
if (!loader.processFile("test1.oec"))
{
loader.processFile("../../../../../Demos/Gpu2dDemo/test.oec");
}
#if 0 // perfomance test : work-in-progress
{ // add more object, but share their shapes
int numNewObjects = 500;
mass = 1.f;
for(int n_obj = 0; n_obj < numNewObjects; n_obj++)
{
btDefaultMotionState* myMotionState= 0;
btVector3 localInertia(0,0,0);
btTransform worldTransform;
worldTransform.setIdentity();
btScalar fx = fRandMinMax(-30., 30.);
btScalar fy = fRandMinMax(5., 30.);
worldTransform.setOrigin(btVector3(fx, fy, 0.f));
int sz = m_collisionShapes.size();
btMultiSphereShape* multiSphere = (btMultiSphereShape*)m_collisionShapes[1];
myMotionState = new btDefaultMotionState(worldTransform);
multiSphere->calculateLocalInertia(mass, localInertia);
btRigidBody* body = new btRigidBody(mass,myMotionState,multiSphere,localInertia);
body->setLinearFactor(btVector3(1,1,0));
body->setAngularFactor(btVector3(0,0,1));
body->setWorldTransform(worldTransform);
getDynamicsWorld()->addRigidBody(body);
}
}
#endif
#else
#if (!SPEC_TEST)
float start_x = START_POS_X - ARRAY_SIZE_X * SCALING;
float start_y = START_POS_Y - ARRAY_SIZE_Y * SCALING;
float start_z = START_POS_Z - ARRAY_SIZE_Z * SCALING;
int collisionShapeIndex = 0;
for (int k=0;k<ARRAY_SIZE_Y;k++)
{
for (int i=0;i<ARRAY_SIZE_X;i++)
{
for(int j = 0;j<ARRAY_SIZE_Z;j++)
{
float offs = (2. * (float)rand() / (float)RAND_MAX - 1.f) * 0.05f;
startTransform.setOrigin(SCALING*btVector3(
2.0*SCALING*i + start_x + offs,
2.0*SCALING*k + start_y + offs,
2.0*SCALING*j + start_z));
if (isDynamic)
colShape[collisionShapeIndex]->calculateLocalInertia(mass,localInertia);
//using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
//btDefaultMotionState* myMotionState = new btDefaultMotionState(startTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,0,colShape[collisionShapeIndex],localInertia);
collisionShapeIndex = 1 - collisionShapeIndex;
rbInfo.m_startWorldTransform=startTransform;
btRigidBody* body = new btRigidBody(rbInfo);
m_dynamicsWorld->addRigidBody(body);
}
}
}
#else//SPEC_TEST
// narrowphase test - 2 bodies at the same position
float start_x = START_POS_X;
// float start_y = START_POS_Y;
float start_y = gWorldMin[1] + SCALING * 0.7f + 5.f;
float start_z = START_POS_Z;
startTransform.setOrigin(SCALING*btVector3(start_x,start_y,start_z));
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,0,colShape[0],localInertia);
rbInfo.m_startWorldTransform=startTransform;
btRigidBody* body = new btRigidBody(rbInfo);
m_dynamicsWorld->addRigidBody(body);
btPoint2PointConstraint * p2pConstr = new btPoint2PointConstraint(*body, btVector3(1., 0., 0.));
m_dynamicsWorld->addConstraint(p2pConstr);
startTransform.setOrigin(SCALING*btVector3(start_x-2.f, start_y,start_z));
rbInfo.m_startWorldTransform=startTransform;
btRigidBody* body1 = new btRigidBody(rbInfo);
m_dynamicsWorld->addRigidBody(body1);
p2pConstr = new btPoint2PointConstraint(*body, *body1, btVector3(-1., 0., 0.), btVector3(1., 0., 0.));
m_dynamicsWorld->addConstraint(p2pConstr);
#endif//SPEC_TEST
#endif //OE_CAKE_LOADER
}
// now set Ids used by collision detector and constraint solver
int numObjects = m_dynamicsWorld->getNumCollisionObjects();
btCollisionObjectArray& collisionObjects = m_dynamicsWorld->getCollisionObjectArray();
for(int i = 0; i < numObjects; i++)
{
btCollisionObject* colObj = collisionObjects[i];
colObj->setCompanionId(i+1); // 0 reserved for the "world" object
btCollisionShape* pShape = colObj->getCollisionShape();
int shapeType = pShape->getShapeType();
if(shapeType == MULTI_SPHERE_SHAPE_PROXYTYPE)
{
btMultiSphereShape* pMs = (btMultiSphereShape*)pShape;
int numSpheres = pMs->getSphereCount();
pDdw->addMultiShereObject(numSpheres, i + 1);
for(int j = 0; j < numSpheres; j++)
{
btVector3 sphPos = pMs->getSpherePosition(j);
float sphRad = pMs->getSphereRadius(j);
pDdw->addSphere(sphPos, sphRad);
}
}
else
{
btAssert(0);
}
}
#if OECAKE_LOADER
clientResetScene();
#endif
}
void VoronoiFractureDemo::attachFixedConstraints()
{
btAlignedObjectArray<btRigidBody*> bodies;
int numManifolds = getDynamicsWorld()->getDispatcher()->getNumManifolds();
for (int i=0;i<numManifolds;i++)
{
btPersistentManifold* manifold = getDynamicsWorld()->getDispatcher()->getManifoldByIndexInternal(i);
if (!manifold->getNumContacts())
continue;
btScalar minDist = 1e30f;
int minIndex = -1;
for (int v=0;v<manifold->getNumContacts();v++)
{
if (minDist >manifold->getContactPoint(v).getDistance())
{
minDist = manifold->getContactPoint(v).getDistance();
minIndex = v;
}
}
if (minDist>0.)
continue;
btCollisionObject* colObj0 = (btCollisionObject*)manifold->getBody0();
btCollisionObject* colObj1 = (btCollisionObject*)manifold->getBody1();
// int tag0 = (colObj0)->getIslandTag();
// int tag1 = (colObj1)->getIslandTag();
btRigidBody* body0 = btRigidBody::upcast(colObj0);
btRigidBody* body1 = btRigidBody::upcast(colObj1);
if (bodies.findLinearSearch(body0)==bodies.size())
bodies.push_back(body0);
if (bodies.findLinearSearch(body1)==bodies.size())
bodies.push_back(body1);
if (body0 && body1)
{
if (!colObj0->isStaticOrKinematicObject() && !colObj1->isStaticOrKinematicObject())
{
if (body0->checkCollideWithOverride(body1))
{
{
btTransform trA,trB;
trA.setIdentity();
trB.setIdentity();
btVector3 contactPosWorld = manifold->getContactPoint(minIndex).m_positionWorldOnA;
btTransform globalFrame;
globalFrame.setIdentity();
globalFrame.setOrigin(contactPosWorld);
trA = body0->getWorldTransform().inverse()*globalFrame;
trB = body1->getWorldTransform().inverse()*globalFrame;
float totalMass = 1.f/body0->getInvMass() + 1.f/body1->getInvMass();
if (useGenericConstraint)
{
btGeneric6DofConstraint* dof6 = new btGeneric6DofConstraint(*body0,*body1,trA,trB,true);
dof6->setOverrideNumSolverIterations(30);
dof6->setBreakingImpulseThreshold(BREAKING_THRESHOLD*totalMass);
for (int i=0;i<6;i++)
dof6->setLimit(i,0,0);
getDynamicsWorld()->addConstraint(dof6,true);
} else
{
btFixedConstraint* fixed = new btFixedConstraint(*body0,*body1,trA,trB);
fixed->setBreakingImpulseThreshold(BREAKING_THRESHOLD*totalMass);
fixed ->setOverrideNumSolverIterations(30);
getDynamicsWorld()->addConstraint(fixed,true);
}
}
}
}
}
}
for (int i=0;i<bodies.size();i++)
{
getDynamicsWorld()->removeRigidBody(bodies[i]);
getDynamicsWorld()->addRigidBody(bodies[i]);
}
}
void DemoApplication::setDebugMode(int mode)
{
m_debugMode = mode;
if (getDynamicsWorld() && getDynamicsWorld()->getDebugDrawer())
getDynamicsWorld()->getDebugDrawer()->setDebugMode(mode);
}
void CharacterDemo::clientResetScene()
{
m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(m_ghostObject->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
m_character->reset (m_dynamicsWorld);
///WTF
m_character->warp (btVector3(10.210001,-2.0306311,16.576973));
}
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 TPhySystem::processCollision( TPhyBody& body )
{
btManifoldArray manifoldArray;
btBroadphasePairArray& pairArray = body.getOverlappingPairCache()->getOverlappingPairArray();
int numPairs = pairArray.size();
for (int i=0;i<numPairs;i++)
{
manifoldArray.clear();
const btBroadphasePair& pair = pairArray[i];
if ( pair.m_pProxy0->m_clientObject == &body &&
pair.m_pProxy0->getUid() < pair.m_pProxy1->getUid() )
{
PhyRigidBody* rigidbody = (PhyRigidBody*) pair.m_pProxy1->m_clientObject;
if ( TPhyBody::upcast( rigidbody ) != NULL )
continue;
}
btBroadphasePair* collisionPair ;
{
TPROFILE("findPair");
//unless we manually perform collision detection on this pair, the contacts are in the dynamics world paircache:
collisionPair = getDynamicsWorld()->getPairCache()->findPair(pair.m_pProxy0,pair.m_pProxy1);
}
if (!collisionPair)
continue;
{
TPROFILE("getAllContactManifolds");
if (collisionPair->m_algorithm)
collisionPair->m_algorithm->getAllContactManifolds(manifoldArray);
}
TPROFILE("manifoldArray");
for (int j=0;j<manifoldArray.size();j++)
{
btPersistentManifold* manifold = manifoldArray[j];
int numContacts = 0;
Vec3D avgPtA(0,0,0);
Vec3D avgPtB(0,0,0);
Vec3D avgNormalOnB(0,0,0);
Float avgDepth = 0;
btCollisionObject* objA = static_cast<btCollisionObject*>( manifold->getBody0() );
btCollisionObject* objB = static_cast<btCollisionObject*>( manifold->getBody1() );
TPhyEntity* entityA = static_cast< TPhyEntity* >( objA->getUserPointer() );
TPhyEntity* entityB = static_cast< TPhyEntity* >( objB->getUserPointer() );
bool haveTerrain = ( entityA == NULL || entityB == NULL );
for (int p=0;p<manifold->getNumContacts();p++ )
{
const btManifoldPoint& pt = manifold->getContactPoint(p);
if ( pt.getDistance() < 0.0f )
{
++numContacts;
if ( haveTerrain )
break;
avgPtA += pt.getPositionWorldOnA();
avgPtB += pt.getPositionWorldOnB();
avgNormalOnB += pt.m_normalWorldOnB;
avgDepth -= pt.getDistance();
break;
/// work here
}
}
if ( numContacts > 0 )
{
if ( haveTerrain )
{
if ( entityA )
entityA->OnCollisionTerrain();
if ( entityB )
entityB->OnCollisionTerrain();
}
else
{
avgPtA /= numContacts;
avgPtB /= numContacts;
avgDepth /= numContacts;
avgNormalOnB.normalize();
entityA->OnCollision( entityB , avgDepth , avgPtA , avgPtB , avgNormalOnB );
entityB->OnCollision( entityA , avgDepth , avgPtB , avgPtA , -avgNormalOnB );
}
break;
}
}
}
}
void TPhySystem::removeEntity( TPhyEntity* entity )
{
getDynamicsWorld()->removeRigidBody( entity->getPhyBody() );
entity->testCollision( false );
}
void BasicDemo::outputDebugInfo(int & xOffset,int & yStart, int yIncr)
{
char buf[124];
glDisable(GL_LIGHTING);
glColor3f(0, 0, 0);
sprintf(buf,"mouse move+buttons to interact");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"space to reset");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"cursor keys and z,x to navigate");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"i to toggle simulation, s single step");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"q to quit");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"h to toggle help text");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"p to toggle profiling (+results to file)");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"c to toggle constraint drawing");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"b to draw single constraint batch");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"u to toggle between CPU and OpenCL solvers");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"d to toggle between different batch builders");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
if (getDynamicsWorld())
{
sprintf(buf,"# objects = %d",getDynamicsWorld()->getNumCollisionObjects());
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
sprintf(buf,"# pairs = %d",getDynamicsWorld()->getBroadphase()->getOverlappingPairCache()->getNumOverlappingPairs());
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
}
} // BasicDemo::outputDebugInfo()
void ConcaveDemo::clientMoveAndDisplay()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float dt = getDeltaTimeMicroseconds() * 0.000001f;
if (m_animatedMesh)
{
static float offset=0.f;
offset+=dt;
// setVertexPositions(waveheight,offset);
int i;
int j;
btVector3 aabbMin(BT_LARGE_FLOAT,BT_LARGE_FLOAT,BT_LARGE_FLOAT);
btVector3 aabbMax(-BT_LARGE_FLOAT,-BT_LARGE_FLOAT,-BT_LARGE_FLOAT);
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();
renderme();
glFlush();
swapBuffers();
}
//to be implemented by the demo
void Hinge2Vehicle::renderScene()
{
m_guiHelper->syncPhysicsToGraphics(m_dynamicsWorld);
#if 0
for (int i=0;i<m_vehicle->getNumWheels();i++)
{
//synchronize the wheels with the (interpolated) chassis worldtransform
m_vehicle->updateWheelTransform(i,true);
CommonRenderInterface* renderer = m_guiHelper->getRenderInterface();
if (renderer)
{
btTransform tr = m_vehicle->getWheelInfo(i).m_worldTransform;
btVector3 pos=tr.getOrigin();
btQuaternion orn = tr.getRotation();
renderer->writeSingleInstanceTransformToCPU(pos,orn,m_wheelInstances[i]);
}
}
#endif
m_guiHelper->render(m_dynamicsWorld);
btVector3 wheelColor(1,0,0);
btVector3 worldBoundsMin,worldBoundsMax;
getDynamicsWorld()->getBroadphase()->getBroadphaseAabb(worldBoundsMin,worldBoundsMax);
#if 0
int lineWidth=400;
int xStart = m_glutScreenWidth - lineWidth;
int yStart = 20;
if((getDebugMode() & btIDebugDraw::DBG_NoHelpText)==0)
{
setOrthographicProjection();
glDisable(GL_LIGHTING);
glColor3f(0, 0, 0);
char buf[124];
sprintf(buf,"SHIFT+Cursor Left/Right - rotate lift");
GLDebugDrawString(xStart,20,buf);
yStart+=20;
sprintf(buf,"SHIFT+Cursor UP/Down - fork up/down");
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
if (m_useDefaultCamera)
{
sprintf(buf,"F5 - camera mode (free)");
} else
{
sprintf(buf,"F5 - camera mode (follow)");
}
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
yStart+=20;
if (m_dynamicsWorld->getConstraintSolver()->getSolverType()==BT_MLCP_SOLVER)
{
sprintf(buf,"F6 - solver (direct MLCP)");
} else
{
sprintf(buf,"F6 - solver (sequential impulse)");
}
GLDebugDrawString(xStart,yStart,buf);
btDiscreteDynamicsWorld* world = (btDiscreteDynamicsWorld*) m_dynamicsWorld;
if (world->getLatencyMotionStateInterpolation())
{
sprintf(buf,"F7 - motionstate interpolation (on)");
} else
{
sprintf(buf,"F7 - motionstate interpolation (off)");
}
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
sprintf(buf,"Click window for keyboard focus");
yStart+=20;
GLDebugDrawString(xStart,yStart,buf);
resetPerspectiveProjection();
glEnable(GL_LIGHTING);
}
#endif
}
void ConvexDecompositionDemo::initPhysics(const char* filename)
{
gContactAddedCallback = &MyContactCallback;
setupEmptyDynamicsWorld();
getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);
setTexturing(true);
setShadows(true);
setCameraDistance(26.f);
#ifndef NO_OBJ_TO_BULLET
ConvexDecomposition::WavefrontObj wo;
tcount = 0;
const char* prefix[]={"./","../","../../","../../../","../../../../", "ConvexDecompositionDemo/", "Demos/ConvexDecompositionDemo/",
"../Demos/ConvexDecompositionDemo/","../../Demos/ConvexDecompositionDemo/"};
int numPrefixes = sizeof(prefix)/sizeof(const char*);
char relativeFileName[1024];
for (int i=0;i<numPrefixes;i++)
{
sprintf(relativeFileName,"%s%s",prefix[i],filename);
tcount = wo.loadObj(relativeFileName);
if (tcount)
break;
}
btTransform startTransform;
startTransform.setIdentity();
startTransform.setOrigin(btVector3(0,-4.5,0));
btCollisionShape* boxShape = new btBoxShape(btVector3(30,2,30));
m_collisionShapes.push_back(boxShape);
localCreateRigidBody(0.f,startTransform,boxShape);
class MyConvexDecomposition : public ConvexDecomposition::ConvexDecompInterface
{
ConvexDecompositionDemo* m_convexDemo;
public:
btAlignedObjectArray<btConvexHullShape*> m_convexShapes;
btAlignedObjectArray<btVector3> m_convexCentroids;
MyConvexDecomposition (FILE* outputFile,ConvexDecompositionDemo* demo)
:m_convexDemo(demo),
mBaseCount(0),
mHullCount(0),
mOutputFile(outputFile)
{
}
virtual void ConvexDecompResult(ConvexDecomposition::ConvexResult &result)
{
btTriangleMesh* trimesh = new btTriangleMesh();
m_convexDemo->m_trimeshes.push_back(trimesh);
btVector3 localScaling(6.f,6.f,6.f);
//export data to .obj
printf("ConvexResult. ");
if (mOutputFile)
{
fprintf(mOutputFile,"## Hull Piece %d with %d vertices and %d triangles.\r\n", mHullCount, result.mHullVcount, result.mHullTcount );
fprintf(mOutputFile,"usemtl Material%i\r\n",mBaseCount);
fprintf(mOutputFile,"o Object%i\r\n",mBaseCount);
for (unsigned int i=0; i<result.mHullVcount; i++)
{
const float *p = &result.mHullVertices[i*3];
fprintf(mOutputFile,"v %0.9f %0.9f %0.9f\r\n", p[0], p[1], p[2] );
}
//calc centroid, to shift vertices around center of mass
centroid.setValue(0,0,0);
btAlignedObjectArray<btVector3> vertices;
if ( 1 )
{
//const unsigned int *src = result.mHullIndices;
for (unsigned int i=0; i<result.mHullVcount; i++)
{
btVector3 vertex(result.mHullVertices[i*3],result.mHullVertices[i*3+1],result.mHullVertices[i*3+2]);
vertex *= localScaling;
centroid += vertex;
}
}
centroid *= 1.f/(float(result.mHullVcount) );
if ( 1 )
{
//const unsigned int *src = result.mHullIndices;
for (unsigned int i=0; i<result.mHullVcount; i++)
{
btVector3 vertex(result.mHullVertices[i*3],result.mHullVertices[i*3+1],result.mHullVertices[i*3+2]);
vertex *= localScaling;
vertex -= centroid ;
vertices.push_back(vertex);
}
}
if ( 1 )
{
const unsigned int *src = result.mHullIndices;
for (unsigned int i=0; i<result.mHullTcount; i++)
{
unsigned int index0 = *src++;
unsigned int index1 = *src++;
unsigned int index2 = *src++;
btVector3 vertex0(result.mHullVertices[index0*3], result.mHullVertices[index0*3+1],result.mHullVertices[index0*3+2]);
btVector3 vertex1(result.mHullVertices[index1*3], result.mHullVertices[index1*3+1],result.mHullVertices[index1*3+2]);
btVector3 vertex2(result.mHullVertices[index2*3], result.mHullVertices[index2*3+1],result.mHullVertices[index2*3+2]);
vertex0 *= localScaling;
vertex1 *= localScaling;
vertex2 *= localScaling;
vertex0 -= centroid;
vertex1 -= centroid;
vertex2 -= centroid;
trimesh->addTriangle(vertex0,vertex1,vertex2);
index0+=mBaseCount;
index1+=mBaseCount;
index2+=mBaseCount;
fprintf(mOutputFile,"f %d %d %d\r\n", index0+1, index1+1, index2+1 );
}
}
// float mass = 1.f;
//this is a tools issue: due to collision margin, convex objects overlap, compensate for it here:
//#define SHRINK_OBJECT_INWARDS 1
#ifdef SHRINK_OBJECT_INWARDS
float collisionMargin = 0.01f;
btAlignedObjectArray<btVector3> planeEquations;
btGeometryUtil::getPlaneEquationsFromVertices(vertices,planeEquations);
btAlignedObjectArray<btVector3> shiftedPlaneEquations;
for (int p=0;p<planeEquations.size();p++)
{
btVector3 plane = planeEquations[p];
plane[3] += collisionMargin;
shiftedPlaneEquations.push_back(plane);
}
btAlignedObjectArray<btVector3> shiftedVertices;
btGeometryUtil::getVerticesFromPlaneEquations(shiftedPlaneEquations,shiftedVertices);
btConvexHullShape* convexShape = new btConvexHullShape(&(shiftedVertices[0].getX()),shiftedVertices.size());
#else //SHRINK_OBJECT_INWARDS
btConvexHullShape* convexShape = new btConvexHullShape(&(vertices[0].getX()),vertices.size());
#endif
if (sEnableSAT)
convexShape->initializePolyhedralFeatures();
convexShape->setMargin(0.01f);
m_convexShapes.push_back(convexShape);
m_convexCentroids.push_back(centroid);
m_convexDemo->m_collisionShapes.push_back(convexShape);
mBaseCount+=result.mHullVcount; // advance the 'base index' counter.
}
}
int mBaseCount;
int mHullCount;
FILE* mOutputFile;
};
if (tcount)
{
btTriangleMesh* trimesh = new btTriangleMesh();
m_trimeshes.push_back(trimesh);
btVector3 localScaling(6.f,6.f,6.f);
int i;
for ( i=0;i<wo.mTriCount;i++)
{
int index0 = wo.mIndices[i*3];
int index1 = wo.mIndices[i*3+1];
int index2 = wo.mIndices[i*3+2];
btVector3 vertex0(wo.mVertices[index0*3], wo.mVertices[index0*3+1],wo.mVertices[index0*3+2]);
btVector3 vertex1(wo.mVertices[index1*3], wo.mVertices[index1*3+1],wo.mVertices[index1*3+2]);
btVector3 vertex2(wo.mVertices[index2*3], wo.mVertices[index2*3+1],wo.mVertices[index2*3+2]);
vertex0 *= localScaling;
vertex1 *= localScaling;
vertex2 *= localScaling;
trimesh->addTriangle(vertex0,vertex1,vertex2);
}
btConvexShape* tmpConvexShape = new btConvexTriangleMeshShape(trimesh);
printf("old numTriangles= %d\n",wo.mTriCount);
printf("old numIndices = %d\n",wo.mTriCount*3);
printf("old numVertices = %d\n",wo.mVertexCount);
printf("reducing vertices by creating a convex hull\n");
//create a hull approximation
btShapeHull* hull = new btShapeHull(tmpConvexShape);
btScalar margin = tmpConvexShape->getMargin();
hull->buildHull(margin);
tmpConvexShape->setUserPointer(hull);
printf("new numTriangles = %d\n", hull->numTriangles ());
printf("new numIndices = %d\n", hull->numIndices ());
printf("new numVertices = %d\n", hull->numVertices ());
btConvexHullShape* convexShape = new btConvexHullShape();
bool updateLocalAabb = false;
for (i=0;i<hull->numVertices();i++)
{
convexShape->addPoint(hull->getVertexPointer()[i],updateLocalAabb);
}
convexShape->recalcLocalAabb();
if (sEnableSAT)
convexShape->initializePolyhedralFeatures();
delete tmpConvexShape;
delete hull;
m_collisionShapes.push_back(convexShape);
float mass = 1.f;
btTransform startTransform;
startTransform.setIdentity();
startTransform.setOrigin(btVector3(0,2,14));
localCreateRigidBody(mass, startTransform,convexShape);
bool useQuantization = true;
btCollisionShape* concaveShape = new btBvhTriangleMeshShape(trimesh,useQuantization);
startTransform.setOrigin(convexDecompositionObjectOffset);
localCreateRigidBody(0.f,startTransform,concaveShape);
m_collisionShapes.push_back (concaveShape);
}
if (tcount)
{
//-----------------------------------
// Bullet Convex Decomposition
//-----------------------------------
char outputFileName[512];
strcpy(outputFileName,filename);
char *dot = strstr(outputFileName,".");
if ( dot )
*dot = 0;
strcat(outputFileName,"_convex.obj");
FILE* outputFile = fopen(outputFileName,"wb");
unsigned int depth = 5;
float cpercent = 5;
float ppercent = 15;
unsigned int maxv = 16;
float skinWidth = 0.0;
printf("WavefrontObj num triangles read %i\n",tcount);
ConvexDecomposition::DecompDesc desc;
desc.mVcount = wo.mVertexCount;
desc.mVertices = wo.mVertices;
desc.mTcount = wo.mTriCount;
desc.mIndices = (unsigned int *)wo.mIndices;
desc.mDepth = depth;
desc.mCpercent = cpercent;
desc.mPpercent = ppercent;
desc.mMaxVertices = maxv;
desc.mSkinWidth = skinWidth;
MyConvexDecomposition convexDecomposition(outputFile,this);
desc.mCallback = &convexDecomposition;
//-----------------------------------------------
// HACD
//-----------------------------------------------
std::vector< HACD::Vec3<HACD::Real> > points;
std::vector< HACD::Vec3<long> > triangles;
for(int i=0; i<wo.mVertexCount; i++ )
{
int index = i*3;
HACD::Vec3<HACD::Real> vertex(wo.mVertices[index], wo.mVertices[index+1],wo.mVertices[index+2]);
points.push_back(vertex);
}
for(int i=0;i<wo.mTriCount;i++)
{
int index = i*3;
HACD::Vec3<long> triangle(wo.mIndices[index], wo.mIndices[index+1], wo.mIndices[index+2]);
triangles.push_back(triangle);
}
HACD::HACD myHACD;
myHACD.SetPoints(&points[0]);
myHACD.SetNPoints(points.size());
myHACD.SetTriangles(&triangles[0]);
myHACD.SetNTriangles(triangles.size());
myHACD.SetCompacityWeight(0.1);
myHACD.SetVolumeWeight(0.0);
// HACD parameters
// Recommended parameters: 2 100 0 0 0 0
size_t nClusters = 2;
double concavity = 100;
bool invert = false;
bool addExtraDistPoints = false;
bool addNeighboursDistPoints = false;
bool addFacesPoints = false;
myHACD.SetNClusters(nClusters); // minimum number of clusters
myHACD.SetNVerticesPerCH(100); // max of 100 vertices per convex-hull
myHACD.SetConcavity(concavity); // maximum concavity
myHACD.SetAddExtraDistPoints(addExtraDistPoints);
myHACD.SetAddNeighboursDistPoints(addNeighboursDistPoints);
myHACD.SetAddFacesPoints(addFacesPoints);
myHACD.Compute();
nClusters = myHACD.GetNClusters();
myHACD.Save("output.wrl", false);
//convexDecomposition.performConvexDecomposition(desc);
// ConvexBuilder cb(desc.mCallback);
// cb.process(desc);
//now create some bodies
if (1)
{
btCompoundShape* compound = new btCompoundShape();
m_collisionShapes.push_back (compound);
btTransform trans;
trans.setIdentity();
for (int c=0;c<nClusters;c++)
{
//generate convex result
size_t nPoints = myHACD.GetNPointsCH(c);
size_t nTriangles = myHACD.GetNTrianglesCH(c);
float* vertices = new float[nPoints*3];
unsigned int* triangles = new unsigned int[nTriangles*3];
HACD::Vec3<HACD::Real> * pointsCH = new HACD::Vec3<HACD::Real>[nPoints];
HACD::Vec3<long> * trianglesCH = new HACD::Vec3<long>[nTriangles];
myHACD.GetCH(c, pointsCH, trianglesCH);
// points
for(size_t v = 0; v < nPoints; v++)
{
vertices[3*v] = pointsCH[v].X();
vertices[3*v+1] = pointsCH[v].Y();
vertices[3*v+2] = pointsCH[v].Z();
}
// triangles
for(size_t f = 0; f < nTriangles; f++)
{
triangles[3*f] = trianglesCH[f].X();
triangles[3*f+1] = trianglesCH[f].Y();
triangles[3*f+2] = trianglesCH[f].Z();
}
delete [] pointsCH;
delete [] trianglesCH;
ConvexResult r(nPoints, vertices, nTriangles, triangles);
convexDecomposition.ConvexDecompResult(r);
}
for (int i=0;i<convexDecomposition.m_convexShapes.size();i++)
{
btVector3 centroid = convexDecomposition.m_convexCentroids[i];
trans.setOrigin(centroid);
btConvexHullShape* convexShape = convexDecomposition.m_convexShapes[i];
compound->addChildShape(trans,convexShape);
btRigidBody* body;
body = localCreateRigidBody( 1.0, trans,convexShape);
}
/* for (int i=0;i<convexDecomposition.m_convexShapes.size();i++)
{
btVector3 centroid = convexDecomposition.m_convexCentroids[i];
trans.setOrigin(centroid);
btConvexHullShape* convexShape = convexDecomposition.m_convexShapes[i];
compound->addChildShape(trans,convexShape);
btRigidBody* body;
body = localCreateRigidBody( 1.0, trans,convexShape);
}*/
#if 1
btScalar mass=10.f;
trans.setOrigin(-convexDecompositionObjectOffset);
btRigidBody* body = localCreateRigidBody( mass, trans,compound);
body->setCollisionFlags(body->getCollisionFlags() | btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
convexDecompositionObjectOffset.setZ(6);
trans.setOrigin(-convexDecompositionObjectOffset);
body = localCreateRigidBody( mass, trans,compound);
body->setCollisionFlags(body->getCollisionFlags() | btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
convexDecompositionObjectOffset.setZ(-6);
trans.setOrigin(-convexDecompositionObjectOffset);
body = localCreateRigidBody( mass, trans,compound);
body->setCollisionFlags(body->getCollisionFlags() | btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
#endif
}
if (outputFile)
fclose(outputFile);
}
#ifdef TEST_SERIALIZATION
//test serializing this
int maxSerializeBufferSize = 1024*1024*5;
btDefaultSerializer* serializer = new btDefaultSerializer(maxSerializeBufferSize);
m_dynamicsWorld->serialize(serializer);
FILE* f2 = fopen("testFile.bullet","wb");
fwrite(serializer->getBufferPointer(),serializer->getCurrentBufferSize(),1,f2);
fclose(f2);
exitPhysics();
//now try again from the loaded file
setupEmptyDynamicsWorld();
#endif //TEST_SERIALIZATION
#endif //NO_OBJ_TO_BULLET
#ifdef TEST_SERIALIZATION
btBulletWorldImporter* fileLoader = new btBulletWorldImporter(m_dynamicsWorld);
//fileLoader->setVerboseMode(true);
fileLoader->loadFile("testFile.bullet");
//fileLoader->loadFile("testFile64Double.bullet");
//fileLoader->loadFile("testFile64Single.bullet");
//fileLoader->loadFile("testFile32Single.bullet");
#endif //TEST_SERIALIZATION
}
void VehicleDemo::clientResetScene()
{
gVehicleSteering = 0.f;
m_carChassis->setCenterOfMassTransform(btTransform::getIdentity());
m_carChassis->setLinearVelocity(btVector3(0,0,0));
m_carChassis->setAngularVelocity(btVector3(0,0,0));
m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(m_carChassis->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
if (m_vehicle)
{
m_vehicle->resetSuspension();
for (int i=0;i<m_vehicle->getNumWheels();i++)
{
//synchronize the wheels with the (interpolated) chassis worldtransform
m_vehicle->updateWheelTransform(i,true);
}
}
}
void BasicDemo3D::outputDebugInfo(int & xOffset,int & yStart, int yIncr)
{
char buf[124];
glDisable(GL_LIGHTING);
glColor3f(0, 0, 0);
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"mouse to interact");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"space to reset");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"cursor keys and z,x to navigate");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"i to toggle simulation, s single step");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"q to quit");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"h to toggle help text");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"p to toggle profiling (+results to file)");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"w to toggle wireframe/solid rendering");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"c to toggle constraint drawing");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"b to draw single constraint batch");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"u to toggle between CPU and CUDA solvers");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"d to toggle between different batch builders");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"m to toggle between CUDA / CPU motion integrators");
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
if (getDynamicsWorld())
{
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"# objects = %d",getDynamicsWorld()->getNumCollisionObjects());
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"# pairs = %d",getDynamicsWorld()->getBroadphase()->getOverlappingPairCache()->getNumOverlappingPairs());
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"# skipped collisions=%d",gSkippedCol);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
sprintf(buf,"# processed collisions=%d",gProcessedCol);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
glRasterPos3f(xOffset,yStart,0);
btScalar fract = (gProcessedCol+gSkippedCol)? btScalar(gSkippedCol)/(gProcessedCol+gSkippedCol) : 0.f;
sprintf(buf,"culled narrowphase collisions=%f",fract);
GLDebugDrawString(xOffset,yStart,buf);
yStart += yIncr;
gProcessedCol = 0;
gSkippedCol = 0;
}
} // BasicDemo3D::outputDebugInfo()
void ForkLiftDemo::clientResetScene()
{
gVehicleSteering = 0.f;
gBreakingForce = defaultBreakingForce;
gEngineForce = 0.f;
m_carChassis->setCenterOfMassTransform(btTransform::getIdentity());
m_carChassis->setLinearVelocity(btVector3(0,0,0));
m_carChassis->setAngularVelocity(btVector3(0,0,0));
m_dynamicsWorld->getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(m_carChassis->getBroadphaseHandle(),getDynamicsWorld()->getDispatcher());
if (m_vehicle)
{
m_vehicle->resetSuspension();
for (int i=0;i<m_vehicle->getNumWheels();i++)
{
//synchronize the wheels with the (interpolated) chassis worldtransform
m_vehicle->updateWheelTransform(i,true);
}
}
btTransform liftTrans;
liftTrans.setIdentity();
liftTrans.setOrigin(m_liftStartPos);
m_liftBody->activate();
m_liftBody->setCenterOfMassTransform(liftTrans);
m_liftBody->setLinearVelocity(btVector3(0,0,0));
m_liftBody->setAngularVelocity(btVector3(0,0,0));
btTransform forkTrans;
forkTrans.setIdentity();
forkTrans.setOrigin(m_forkStartPos);
m_forkBody->activate();
m_forkBody->setCenterOfMassTransform(forkTrans);
m_forkBody->setLinearVelocity(btVector3(0,0,0));
m_forkBody->setAngularVelocity(btVector3(0,0,0));
// m_liftHinge->setLimit(-LIFT_EPS, LIFT_EPS);
m_liftHinge->setLimit(0.0f, 0.0f);
m_liftHinge->enableAngularMotor(false, 0, 0);
m_forkSlider->setLowerLinLimit(0.1f);
m_forkSlider->setUpperLinLimit(0.1f);
m_forkSlider->setPoweredLinMotor(false);
btTransform loadTrans;
loadTrans.setIdentity();
loadTrans.setOrigin(m_loadStartPos);
m_loadBody->activate();
m_loadBody->setCenterOfMassTransform(loadTrans);
m_loadBody->setLinearVelocity(btVector3(0,0,0));
m_loadBody->setAngularVelocity(btVector3(0,0,0));
}
void DemoApplication::keyboardCallback(unsigned char key, int x, int y)
{
(void)x;
(void)y;
m_lastKey = 0;
#ifndef BT_NO_PROFILE
if (key >= 0x31 && key <= 0x39)
{
int child = key-0x31;
m_profileIterator->Enter_Child(child);
}
if (key==0x30)
{
m_profileIterator->Enter_Parent();
}
#endif //BT_NO_PROFILE
switch (key)
{
case 'q' :
#ifdef BT_USE_FREEGLUT
//return from glutMainLoop(), detect memory leaks etc.
glutLeaveMainLoop();
#else
exit(0);
#endif
break;
case 'l' : stepLeft(); break;
case 'r' : stepRight(); break;
case 'f' : stepFront(); break;
case 'b' : stepBack(); break;
case 'z' : zoomIn(); break;
case 'x' : zoomOut(); break;
case 'i' : toggleIdle(); break;
case 'g' : m_enableshadows=!m_enableshadows;break;
case 'u' : m_shapeDrawer->enableTexture(!m_shapeDrawer->enableTexture(false));break;
case 'h':
if (m_debugMode & btIDebugDraw::DBG_NoHelpText)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_NoHelpText);
else
m_debugMode |= btIDebugDraw::DBG_NoHelpText;
break;
case 'w':
if (m_debugMode & btIDebugDraw::DBG_DrawWireframe)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawWireframe);
else
m_debugMode |= btIDebugDraw::DBG_DrawWireframe;
break;
case 'p':
if (m_debugMode & btIDebugDraw::DBG_ProfileTimings)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_ProfileTimings);
else
m_debugMode |= btIDebugDraw::DBG_ProfileTimings;
break;
case '=':
{
int maxSerializeBufferSize = 1024*1024*5;
btDefaultSerializer* serializer = new btDefaultSerializer(maxSerializeBufferSize);
//serializer->setSerializationFlags(BT_SERIALIZE_NO_DUPLICATE_ASSERT);
m_dynamicsWorld->serialize(serializer);
FILE* f2 = fopen("testFile.bullet","wb");
fwrite(serializer->getBufferPointer(),serializer->getCurrentBufferSize(),1,f2);
fclose(f2);
delete serializer;
break;
}
case 'm':
if (m_debugMode & btIDebugDraw::DBG_EnableSatComparison)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_EnableSatComparison);
else
m_debugMode |= btIDebugDraw::DBG_EnableSatComparison;
break;
case 'n':
if (m_debugMode & btIDebugDraw::DBG_DisableBulletLCP)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DisableBulletLCP);
else
m_debugMode |= btIDebugDraw::DBG_DisableBulletLCP;
break;
case 't' :
if (m_debugMode & btIDebugDraw::DBG_DrawText)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawText);
else
m_debugMode |= btIDebugDraw::DBG_DrawText;
break;
case 'y':
if (m_debugMode & btIDebugDraw::DBG_DrawFeaturesText)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawFeaturesText);
else
m_debugMode |= btIDebugDraw::DBG_DrawFeaturesText;
break;
case 'a':
if (m_debugMode & btIDebugDraw::DBG_DrawAabb)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawAabb);
else
m_debugMode |= btIDebugDraw::DBG_DrawAabb;
break;
case 'c' :
if (m_debugMode & btIDebugDraw::DBG_DrawContactPoints)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawContactPoints);
else
m_debugMode |= btIDebugDraw::DBG_DrawContactPoints;
break;
case 'C' :
if (m_debugMode & btIDebugDraw::DBG_DrawConstraints)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawConstraints);
else
m_debugMode |= btIDebugDraw::DBG_DrawConstraints;
break;
case 'L' :
if (m_debugMode & btIDebugDraw::DBG_DrawConstraintLimits)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_DrawConstraintLimits);
else
m_debugMode |= btIDebugDraw::DBG_DrawConstraintLimits;
break;
case 'd' :
if (m_debugMode & btIDebugDraw::DBG_NoDeactivation)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_NoDeactivation);
else
m_debugMode |= btIDebugDraw::DBG_NoDeactivation;
if (m_debugMode & btIDebugDraw::DBG_NoDeactivation)
{
gDisableDeactivation = true;
} else
{
gDisableDeactivation = false;
}
break;
case 'o' :
{
m_ortho = !m_ortho;//m_stepping = !m_stepping;
break;
}
case 's' : clientMoveAndDisplay(); break;
// case ' ' : newRandom(); break;
case ' ':
clientResetScene();
break;
case '1':
{
if (m_debugMode & btIDebugDraw::DBG_EnableCCD)
m_debugMode = m_debugMode & (~btIDebugDraw::DBG_EnableCCD);
else
m_debugMode |= btIDebugDraw::DBG_EnableCCD;
break;
}
case '.':
{
shootBox(getRayTo(x,y));//getCameraTargetPosition());
break;
}
case '+':
{
m_ShootBoxInitialSpeed += 10.f;
break;
}
case '-':
{
m_ShootBoxInitialSpeed -= 10.f;
break;
}
default:
// std::cout << "unused key : " << key << std::endl;
break;
}
if (getDynamicsWorld() && getDynamicsWorld()->getDebugDrawer())
getDynamicsWorld()->getDebugDrawer()->setDebugMode(m_debugMode);
}