Exemple #1
0
	virtual void createBodyForCompoundShape(btCompoundShape* compoundTmpShape,bool addConstraint, const btTransform& worldTransform, btScalar mass)
	{

		btDefaultMotionState* myMotionState= 0;
		
		btVector3 aabbMin,aabbMax;
		compoundTmpShape->getAabb(btTransform::getIdentity(),aabbMin,aabbMax);
		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(positions,radii,numSpheres);
		m_demo->addCollisionShape(multiSphere);
		
			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);
			}
	}
Exemple #2
0
int main(int argc, char* argv[])
{


#ifdef __APPLE__
	MacOpenGLWindow* window = new MacOpenGLWindow();
#else
	Win32OpenGLWindow* window = new Win32OpenGLWindow();
#endif
	btgWindowConstructionInfo wci(g_OpenGLWidth,g_OpenGLHeight);
	wci.m_openglVersion = 2;	
	window->createWindow(wci);
	window->setWindowTitle("MyTest");
#ifdef _WIN32
	glewInit();
#endif

    
	window->startRendering();
	float color[4] = {1,1,1,1};
//	prim.drawRect(0,0,200,200,color);
	
    
	
	window->endRendering();

    
	
	window->setKeyboardCallback(MyKeyboardCallback);


	{
		BasicDemo* demo = new BasicDemo;
		demo->myinit();
		demo->initPhysics();
		
		do
		{
			window->startRendering();
			demo->clientMoveAndDisplay();

			render.init();
			render.renderPhysicsWorld(demo->getDynamicsWorld());
			window->endRendering();
		} while (!window->requestedExit());

		demo->exitPhysics();
		delete demo;
	}


	window->closeWindow();
	delete window;

	return 0;
}
Exemple #3
0
int main(int argc,char** argv)
{
	GLDebugDrawer	gDebugDrawer;

	///testing the btHashMap	
	btHashMap<btHashKey<OurValue>,OurValue> map;
	
	OurValue value1(btVector3(2,3,4));
	btHashKey<OurValue> key1(value1.getUid());
	map.insert(key1,value1);


	OurValue value2(btVector3(5,6,7));
	btHashKey<OurValue> key2(value2.getUid());
	map.insert(key2,value2);
	

	{
		OurValue value3(btVector3(7,8,9));
		btHashKey<OurValue> key3(value3.getUid());
		map.insert(key3,value3);
	}


	map.remove(key2);

	const OurValue* ourPtr = map.find(key1);
	for (int i=0;i<map.size();i++)
	{
		OurValue* tmp = map.getAtIndex(i);
		//printf("tmp value=%f,%f,%f\n",tmp->m_position.getX(),tmp->m_position.getY(),tmp->m_position.getZ());
	}
	
	BasicDemo ccdDemo;
	ccdDemo.initPhysics();
	ccdDemo.getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);


#ifdef CHECK_MEMORY_LEAKS
	ccdDemo.exitPhysics();
#else
	return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://bullet.sf.net",&ccdDemo);
#endif
	
	//default glut doesn't return from mainloop
	return 0;
}