updated demos -> ALT + mouse uses Maya-style controls, replaced BMF_Fonts by GLDebugFont
fix debug drawing of btMultiSphereShape added box2d demo added experimental gpu 2d demo
This commit is contained in:
759
Demos/Gpu2dDemo/BasicDemo.cpp
Normal file
759
Demos/Gpu2dDemo/BasicDemo.cpp
Normal file
@@ -0,0 +1,759 @@
|
||||
/*
|
||||
Bullet Continuous Collision Detection and Physics Library
|
||||
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
|
||||
|
||||
This software is provided 'as-is', without any express or implied warranty.
|
||||
In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it freely,
|
||||
subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
|
||||
#include "BulletMultiThreaded/btGpuDefines.h"
|
||||
#include "BulletMultiThreaded/btGpuUtilsSharedDefs.h"
|
||||
#include "BulletMultiThreaded/btGpuUtilsSharedCode.h"
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
|
||||
|
||||
#include "BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h"
|
||||
|
||||
#include "btGpuDemoPairCache.h"
|
||||
|
||||
#include "btGpuDemoDynamicsWorld.h"
|
||||
#include "GLDebugFont.h"
|
||||
|
||||
#define USE_CUDA_DEMO_PAIR_CASHE 0
|
||||
|
||||
#define SPEC_TEST 0
|
||||
#define OECAKE_LOADER 1
|
||||
|
||||
#ifdef _DEBUG
|
||||
#define LARGE_DEMO 0
|
||||
// #define LARGE_DEMO 1
|
||||
#else
|
||||
#define LARGE_DEMO 1
|
||||
#endif
|
||||
|
||||
#if LARGE_DEMO
|
||||
///create 512 (8x8x8) dynamic object
|
||||
// #define ARRAY_SIZE_X 116
|
||||
// #define ARRAY_SIZE_Y 116
|
||||
|
||||
// #define ARRAY_SIZE_X 228
|
||||
// #define ARRAY_SIZE_Y 228
|
||||
// #define ARRAY_SIZE_X 256
|
||||
// #define ARRAY_SIZE_Y 156
|
||||
#define ARRAY_SIZE_X 50
|
||||
#define ARRAY_SIZE_Y 100
|
||||
#define ARRAY_SIZE_Z 1
|
||||
#else
|
||||
///create 125 (5x5x5) dynamic object
|
||||
#define ARRAY_SIZE_X 5
|
||||
#define ARRAY_SIZE_Y 5
|
||||
// #define ARRAY_SIZE_Z 5
|
||||
#define ARRAY_SIZE_Z 1
|
||||
#endif
|
||||
|
||||
|
||||
//maximum number of objects (and allow user to shoot additional boxes)
|
||||
#define NUM_SMALL_PROXIES (ARRAY_SIZE_X*ARRAY_SIZE_Y*ARRAY_SIZE_Z)
|
||||
#define MAX_PROXIES (NUM_SMALL_PROXIES + 1024)
|
||||
#define MAX_LARGE_PROXIES 0
|
||||
#define MAX_SMALL_PROXIES (MAX_PROXIES - MAX_LARGE_PROXIES)
|
||||
|
||||
///scaling of the objects (0.1 = 20 centimeter boxes )
|
||||
//#define SCALING 0.1
|
||||
#define SCALING 1
|
||||
#define START_POS_X 0
|
||||
#define START_POS_Y 0
|
||||
#define START_POS_Z 0
|
||||
|
||||
#include "BasicDemo.h"
|
||||
#include "GlutStuff.h"
|
||||
///btBulletDynamicsCommon.h is the main Bullet include file, contains most common include files.
|
||||
#include "btBulletDynamicsCommon.h"
|
||||
#include <stdio.h> //printf debugging
|
||||
|
||||
#include "BulletCollision/CollisionDispatch/btSimulationIslandManager.h"
|
||||
|
||||
#ifdef BT_USE_CUDA
|
||||
#include "../Extras/CUDA/btCudaBroadphase.h"
|
||||
#else
|
||||
#include "BulletMultiThreaded/btGpu3DGridBroadphase.h"
|
||||
#endif
|
||||
|
||||
btScalar gTimeStep = btScalar(1./60.);
|
||||
|
||||
bool gbDrawBatches = false;
|
||||
int gSelectedBatch = CUDA_DEMO_DYNAMICS_WORLD_MAX_BATCHES;
|
||||
#ifdef BT_USE_CUDA
|
||||
bool gUseCPUSolver = false;
|
||||
#else
|
||||
bool gUseCPUSolver = true;
|
||||
#endif //BT_USE_CUDA
|
||||
|
||||
|
||||
#include "oecakeLoader.h"
|
||||
|
||||
|
||||
class BasicDemoOecakeLoader : public BasicOECakeReader
|
||||
{
|
||||
|
||||
BasicDemo* m_demo;
|
||||
|
||||
public:
|
||||
|
||||
BasicDemoOecakeLoader(BasicDemo* demo)
|
||||
:m_demo(demo)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
virtual void createBodyForCompoundShape(btCompoundShape* compoundTmpShape,bool addConstraint, const btTransform& worldTransform, btScalar mass)
|
||||
{
|
||||
|
||||
btDefaultMotionState* myMotionState= 0;
|
||||
|
||||
btVector3 inertiaHalfExtents;
|
||||
btVector3 aabbMin,aabbMax;
|
||||
compoundTmpShape->getAabb(btTransform::getIdentity(),aabbMin,aabbMax);
|
||||
inertiaHalfExtents = (aabbMax-aabbMin)*0.5;
|
||||
int numSpheres = compoundTmpShape->getNumChildShapes();
|
||||
btAssert(numSpheres>0);
|
||||
if (numSpheres>8)
|
||||
{
|
||||
printf("error: exceeded 8 spheres\n");
|
||||
return;
|
||||
}
|
||||
|
||||
btVector3* positions = new btVector3[numSpheres];
|
||||
btScalar* radii = new btScalar[numSpheres];
|
||||
|
||||
for (int i=0;i<numSpheres;i++)
|
||||
{
|
||||
btAssert(compoundTmpShape->getChildShape(i)->getShapeType()== SPHERE_SHAPE_PROXYTYPE);
|
||||
btSphereShape* sphereShape = (btSphereShape*)compoundTmpShape->getChildShape(i);
|
||||
radii[i]=sphereShape->getRadius();
|
||||
positions[i] = compoundTmpShape->getChildTransform(i).getOrigin();
|
||||
}
|
||||
|
||||
btMultiSphereShape* multiSphere = new btMultiSphereShape(inertiaHalfExtents,positions,radii,numSpheres);
|
||||
|
||||
btVector3 localInertia(0,0,0);
|
||||
if (mass)
|
||||
{
|
||||
myMotionState = new btDefaultMotionState(worldTransform);
|
||||
multiSphere->calculateLocalInertia(mass,localInertia);
|
||||
}
|
||||
|
||||
//using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
|
||||
btRigidBody* body = new btRigidBody(mass,myMotionState,multiSphere,localInertia);
|
||||
body->setLinearFactor(btVector3(1,1,0));
|
||||
body->setAngularFactor(btVector3(0,0,1));
|
||||
|
||||
body->setWorldTransform(worldTransform);
|
||||
|
||||
|
||||
m_demo->getDynamicsWorld()->addRigidBody(body);
|
||||
|
||||
if (addConstraint)
|
||||
{
|
||||
btVector3 pivotInA(0,0,0);
|
||||
btPoint2PointConstraint* p2p = new btPoint2PointConstraint(*body,pivotInA);
|
||||
m_demo->getDynamicsWorld()->addConstraint(p2p);
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
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
|
||||
btCudaDemoPairCache* pc = (btCudaDemoPairCache*)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 BasicDemo::displayCallback(void) {
|
||||
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
renderme();
|
||||
|
||||
//optional but useful: debug drawing to detect problems
|
||||
if (m_dynamicsWorld)
|
||||
m_dynamicsWorld->debugDrawWorld();
|
||||
|
||||
glFlush();
|
||||
glutSwapBuffers();
|
||||
}
|
||||
|
||||
|
||||
#define POS_OFFS_X (ARRAY_SIZE_X * SCALING + 20)
|
||||
#define POS_OFFS_Y (ARRAY_SIZE_Y * SCALING + 10)
|
||||
#define POS_OFFS_Z (ARRAY_SIZE_Z * SCALING)
|
||||
|
||||
#if OECAKE_LOADER
|
||||
btVector3 gWorldMin(-200, 0, 0);
|
||||
btVector3 gWorldMax( 200, 200, 0);
|
||||
#else
|
||||
btVector3 gWorldMin(-POS_OFFS_X, -POS_OFFS_Y, -POS_OFFS_Z);
|
||||
btVector3 gWorldMax( POS_OFFS_X, POS_OFFS_Y, POS_OFFS_Z);
|
||||
#endif
|
||||
|
||||
//btCudaDemoPairCache* gPairCache;
|
||||
btOverlappingPairCache* gPairCache;
|
||||
|
||||
|
||||
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(btCudaDemoPairCache),16)) btCudaDemoPairCache(MAX_PROXIES, 24, MAX_SMALL_PROXIES);
|
||||
#else
|
||||
gPairCache = new (btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16))btHashedOverlappingPairCache();
|
||||
#endif
|
||||
|
||||
|
||||
btVector3 numOfCells = (gWorldMax - gWorldMin) / (2. * SCALING);
|
||||
int numOfCellsX = (int)numOfCells[0];
|
||||
int numOfCellsY = (int)numOfCells[1];
|
||||
int numOfCellsZ = (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,10,24,24);
|
||||
// m_broadphase = new btCudaBroadphase(gPairCache, gWorldMin, gWorldMax,numOfCellsX, numOfCellsY, numOfCellsZ,MAX_SMALL_PROXIES,10,24,24);
|
||||
|
||||
|
||||
///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;
|
||||
pDdw->getSimulationIslandManager()->setSplitIslands(true);
|
||||
pDdw->setObjRad(SCALING);
|
||||
pDdw->setWorldMin(gWorldMin);
|
||||
pDdw->setWorldMax(gWorldMax);
|
||||
// gUseCPUSolver = true;
|
||||
pDdw->setUseCPUSolver(gUseCPUSolver);
|
||||
|
||||
// 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
|
||||
|
||||
|
||||
//btCollisionShape* colShape = new btBoxShape(btVector3(SCALING*1,SCALING*1,0.1));//SCALING*1));
|
||||
// btCollisionShape* colShape = new btBox2dShape(btVector3(SCALING*.7,SCALING*.7,0.1));//SCALING*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(inertiaHalfExtents, sSphPos, sSphRad, 8);
|
||||
colShape[1] = new btMultiSphereShape(inertiaHalfExtents, sSphPos, sSphRad, 2);
|
||||
|
||||
//btCollisionShape* colShape = new btSphereShape(btScalar(1.));
|
||||
m_collisionShapes.push_back(colShape[0]);
|
||||
m_collisionShapes.push_back(colShape[1]);
|
||||
|
||||
/// 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 OECAKE_LOADER
|
||||
BasicDemoOecakeLoader loader(this);
|
||||
if (!loader.processFile("test1.oec"))
|
||||
{
|
||||
loader.processFile("../../test1.oec");
|
||||
}
|
||||
|
||||
#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 BasicDemo::clientResetScene()
|
||||
{
|
||||
DemoApplication::clientResetScene();
|
||||
#if OECAKE_LOADER
|
||||
return;
|
||||
#endif
|
||||
#if SPEC_TEST
|
||||
{
|
||||
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;
|
||||
int numObjects = m_dynamicsWorld->getNumCollisionObjects();
|
||||
btCollisionObjectArray& collisionObjects = m_dynamicsWorld->getCollisionObjectArray();
|
||||
btTransform startTransform;
|
||||
startTransform.setIdentity();
|
||||
for(int n = 0; n < numObjects; n++)
|
||||
{
|
||||
btCollisionObject* colObj = collisionObjects[n];
|
||||
btRigidBody* rb = btRigidBody::upcast(colObj);
|
||||
if(!n)
|
||||
{
|
||||
startTransform.setOrigin(SCALING*btVector3(start_x,start_y,start_z));
|
||||
}
|
||||
else
|
||||
{
|
||||
// startTransform.setOrigin(SCALING*btVector3(start_x+0.1f,start_y+SCALING * 0.7f * 2.f, start_z));
|
||||
startTransform.setOrigin(SCALING*btVector3(start_x-2.f,start_y, start_z));
|
||||
}
|
||||
rb->setCenterOfMassTransform(startTransform);
|
||||
}
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
// we don't use motionState, so reset transforms here
|
||||
int numObjects = m_dynamicsWorld->getNumCollisionObjects();
|
||||
btCollisionObjectArray& collisionObjects = m_dynamicsWorld->getCollisionObjectArray();
|
||||
|
||||
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;
|
||||
btTransform startTransform;
|
||||
startTransform.setIdentity();
|
||||
|
||||
for(int n = 0; n < numObjects; n++)
|
||||
{
|
||||
btCollisionObject* colObj = collisionObjects[n];
|
||||
colObj->setCompanionId(n);
|
||||
btRigidBody* rb = btRigidBody::upcast(colObj);
|
||||
int offs = ARRAY_SIZE_X * ARRAY_SIZE_Z;
|
||||
int indx = n;
|
||||
int ky = indx / offs;
|
||||
indx -= ky * offs;
|
||||
int kx = indx / ARRAY_SIZE_Z;
|
||||
indx -= kx * ARRAY_SIZE_Z;
|
||||
int kz = indx;
|
||||
startTransform.setOrigin(SCALING*btVector3(
|
||||
2.0*SCALING*kx + start_x,
|
||||
2.0*SCALING*ky + start_y,
|
||||
2.0*SCALING*kz + start_z));
|
||||
rb->setCenterOfMassTransform(startTransform);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
void BasicDemo::exitPhysics()
|
||||
{
|
||||
|
||||
//cleanup in the reverse order of creation/initialization
|
||||
|
||||
//remove the rigidbodies from the dynamics world and delete them
|
||||
int i;
|
||||
for (i=m_dynamicsWorld->getNumCollisionObjects()-1; i>=0 ;i--)
|
||||
{
|
||||
btCollisionObject* obj = m_dynamicsWorld->getCollisionObjectArray()[i];
|
||||
btRigidBody* body = btRigidBody::upcast(obj);
|
||||
if (body && body->getMotionState())
|
||||
{
|
||||
delete body->getMotionState();
|
||||
}
|
||||
m_dynamicsWorld->removeCollisionObject( obj );
|
||||
delete obj;
|
||||
}
|
||||
|
||||
//delete collision shapes
|
||||
for (int j=0;j<m_collisionShapes.size();j++)
|
||||
{
|
||||
btCollisionShape* shape = m_collisionShapes[j];
|
||||
delete shape;
|
||||
}
|
||||
|
||||
delete m_dynamicsWorld;
|
||||
|
||||
delete m_solver;
|
||||
|
||||
delete m_broadphase;
|
||||
|
||||
delete m_dispatcher;
|
||||
|
||||
delete m_collisionConfiguration;
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
void BasicDemo::keyboardCallback(unsigned char key, int x, int y)
|
||||
{
|
||||
(void)x;
|
||||
(void)y;
|
||||
switch (key)
|
||||
{
|
||||
case 'q' :
|
||||
exitPhysics();
|
||||
exit(0);
|
||||
break;
|
||||
case 'c' :
|
||||
{
|
||||
gbDrawBatches = !gbDrawBatches;
|
||||
break;
|
||||
}
|
||||
case 'b' :
|
||||
{
|
||||
gSelectedBatch++;
|
||||
gSelectedBatch %= (CUDA_DEMO_DYNAMICS_WORLD_MAX_BATCHES + 1);
|
||||
break;
|
||||
}
|
||||
case 'u' :
|
||||
{
|
||||
btGpuDemoDynamicsWorld* pDdw = (btGpuDemoDynamicsWorld*)m_dynamicsWorld;
|
||||
gUseCPUSolver = !gUseCPUSolver;
|
||||
pDdw->setUseCPUSolver(gUseCPUSolver);
|
||||
break;
|
||||
}
|
||||
default :
|
||||
{
|
||||
DemoApplication::keyboardCallback(key, x, y);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if(key == ' ')
|
||||
{
|
||||
#if USE_CUDA_DEMO_PAIR_CASHE
|
||||
((btCudaDemoPairCache*)gPairCache)->reset();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
#define BATCH_NUM_COLORS 12
|
||||
|
||||
const float cBatchColorTab[BATCH_NUM_COLORS * 3] =
|
||||
{
|
||||
1.f, 0.f, 0.f,
|
||||
0.f, 1.f, 0.f,
|
||||
0.f, 0.f, 1.f,
|
||||
1.f, 1.f, 0.f,
|
||||
0.f, 1.f, 1.f,
|
||||
1.f, 0.f, 1.f,
|
||||
1.f, .5f, 0.f,
|
||||
.5f, 1.f, 0.f,
|
||||
0.f, 1.f, .5f,
|
||||
0.f, .5f, 1.f,
|
||||
.5f, 0.f, 1.f,
|
||||
1.f, 0.f, .5f
|
||||
};
|
||||
|
||||
|
||||
void BasicDemo::DrawConstraintInfo()
|
||||
{
|
||||
int fontW = 10; // hack, could be changed
|
||||
int fontH = 14; // hack, could be changed
|
||||
char buf[32];
|
||||
float xOffs;
|
||||
float yOffs = fontH * 2;
|
||||
glDisable(GL_LIGHTING);
|
||||
glColor3f(1, 1, 1);
|
||||
sprintf(buf,"solver on %s", gUseCPUSolver ? "CPU" : "CUDA");
|
||||
xOffs = m_glutScreenWidth - (strlen(buf) + 1) * fontW;
|
||||
GLDebugDrawString(xOffs, yOffs,buf);
|
||||
yOffs += fontH;
|
||||
btGpuDemoDynamicsWorld* cddw = (btGpuDemoDynamicsWorld*)m_dynamicsWorld;
|
||||
for(int i = 0; i < CUDA_DEMO_DYNAMICS_WORLD_MAX_BATCHES; i++)
|
||||
{
|
||||
const float* pCol = cBatchColorTab + i * 3;
|
||||
glColor3f(pCol[0], pCol[1], pCol[2]);
|
||||
sprintf(buf,"%2d : %5d", i, cddw->m_numInBatches[i]);
|
||||
xOffs = m_glutScreenWidth - (strlen(buf) + 1) * fontW;
|
||||
GLDebugDrawString(xOffs, yOffs,buf);
|
||||
yOffs += fontH;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void BasicDemo::renderme()
|
||||
{
|
||||
renderscene(0);
|
||||
if(gbDrawBatches)
|
||||
{
|
||||
((btGpuDemoDynamicsWorld*)m_dynamicsWorld)->debugDrawConstraints(gSelectedBatch, cBatchColorTab);
|
||||
}
|
||||
|
||||
// if (0)
|
||||
if ((m_debugMode & btIDebugDraw::DBG_NoHelpText)==0)
|
||||
{
|
||||
setOrthographicProjection();
|
||||
int xOffset = 10.f;
|
||||
int yStart = 20.f;
|
||||
int yIncr = 20.f;
|
||||
showProfileInfo(xOffset, yStart, yIncr);
|
||||
DrawConstraintInfo();
|
||||
outputDebugInfo(xOffset, yStart, yIncr);
|
||||
resetPerspectiveProjection();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
extern int gNumClampedCcdMotions;
|
||||
#define SHOW_NUM_DEEP_PENETRATIONS 1
|
||||
#ifdef SHOW_NUM_DEEP_PENETRATIONS
|
||||
extern int gNumDeepPenetrationChecks;
|
||||
extern int gNumSplitImpulseRecoveries;
|
||||
extern int gNumGjkChecks;
|
||||
extern int gNumAlignedAllocs;
|
||||
extern int gNumAlignedFree;
|
||||
extern int gTotalBytesAlignedAllocs;
|
||||
#endif //
|
||||
|
||||
|
||||
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 CUDA 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()
|
||||
Reference in New Issue
Block a user