932 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			932 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "CcdPhysicsEnvironment.h"
 | |
| #include "CcdPhysicsController.h"
 | |
| 
 | |
| #include <algorithm>
 | |
| #include "SimdTransform.h"
 | |
| #include "Dynamics/RigidBody.h"
 | |
| #include "BroadphaseCollision/BroadphaseInterface.h"
 | |
| #include "BroadphaseCollision/SimpleBroadphase.h"
 | |
| 
 | |
| #include "CollisionShapes/ConvexShape.h"
 | |
| #include "BroadphaseCollision/CollisionDispatcher.h"
 | |
| #include "NarrowPhaseCollision/PersistentManifold.h"
 | |
| #include "CollisionShapes/TriangleMeshShape.h"
 | |
| #include "ConstraintSolver/OdeConstraintSolver.h"
 | |
| #include "ConstraintSolver/SimpleConstraintSolver.h"
 | |
| 
 | |
| #include "IDebugDraw.h"
 | |
| 
 | |
| #include "NarrowPhaseCollision/VoronoiSimplexSolver.h"
 | |
| #include "NarrowPhaseCollision/SubsimplexConvexCast.h"
 | |
| 
 | |
| #include "CollisionDispatch/ToiContactDispatcher.h"
 | |
| 
 | |
| 
 | |
| #include "CollisionDispatch/EmptyCollisionAlgorithm.h"
 | |
| #include "CollisionDispatch/UnionFind.h"
 | |
| 
 | |
| #include "NarrowPhaseCollision/RaycastCallback.h"
 | |
| #include "CollisionShapes/SphereShape.h"
 | |
| 
 | |
| bool useIslands = true;
 | |
| 
 | |
| #include "ConstraintSolver/ConstraintSolver.h"
 | |
| #include "ConstraintSolver/Point2PointConstraint.h"
 | |
| //#include "BroadphaseCollision/QueryDispatcher.h"
 | |
| //#include "BroadphaseCollision/QueryBox.h"
 | |
| //todo: change this to allow dynamic registration of types!
 | |
| 
 | |
| #ifdef WIN32
 | |
| void DrawRasterizerLine(const float* from,const float* to,int color);
 | |
| #endif
 | |
| 
 | |
| 
 | |
| #include "ConstraintSolver/ContactConstraint.h"
 | |
| 
 | |
| 
 | |
| 
 | |
| #include <stdio.h>
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| static void DrawAabb(IDebugDraw* debugDrawer,const SimdVector3& from,const SimdVector3& to,const SimdVector3& color)
 | |
| {
 | |
| 	SimdVector3 halfExtents = (to-from)* 0.5f;
 | |
| 	SimdVector3 center = (to+from) *0.5f;
 | |
| 	int i,j;
 | |
| 
 | |
| 	SimdVector3 edgecoord(1.f,1.f,1.f),pa,pb;
 | |
| 	for (i=0;i<4;i++)
 | |
| 	{
 | |
| 		for (j=0;j<3;j++)
 | |
| 		{
 | |
| 			pa = SimdVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],		
 | |
| 				edgecoord[2]*halfExtents[2]);
 | |
| 			pa+=center;
 | |
| 			
 | |
| 			int othercoord = j%3;
 | |
| 			edgecoord[othercoord]*=-1.f;
 | |
| 			pb = SimdVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],	
 | |
| 				edgecoord[2]*halfExtents[2]);
 | |
| 			pb+=center;
 | |
| 			
 | |
| 			debugDrawer->DrawLine(pa,pb,color);
 | |
| 		}
 | |
| 		edgecoord = SimdVector3(-1.f,-1.f,-1.f);
 | |
| 		if (i<3)
 | |
| 			edgecoord[i]*=-1.f;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| CcdPhysicsEnvironment::CcdPhysicsEnvironment(ToiContactDispatcher* dispatcher,BroadphaseInterface* bp)
 | |
| :m_dispatcher(dispatcher),
 | |
| m_broadphase(bp),
 | |
| m_scalingPropagated(false),
 | |
| m_numIterations(30),
 | |
| m_ccdMode(0),
 | |
| m_solverType(-1)
 | |
| {
 | |
| 
 | |
| 	if (!m_dispatcher)
 | |
| 	{
 | |
| 		setSolverType(0);
 | |
| 	}
 | |
| 
 | |
| 	if (!m_broadphase)
 | |
| 	{
 | |
| 		m_broadphase = new SimpleBroadphase();
 | |
| 	}
 | |
| 	
 | |
| 	m_debugDrawer = 0;
 | |
| 	m_gravity = SimdVector3(0.f,-10.f,0.f);
 | |
| 	
 | |
| 
 | |
| }
 | |
| 
 | |
| void	CcdPhysicsEnvironment::addCcdPhysicsController(CcdPhysicsController* ctrl)
 | |
| {
 | |
| 	ctrl->GetRigidBody()->setGravity( m_gravity );
 | |
| 	m_controllers.push_back(ctrl);
 | |
| 	
 | |
| 	BroadphaseInterface* scene =  m_broadphase;
 | |
| 	
 | |
| 	CollisionShape* shapeinterface = ctrl->GetCollisionShape();
 | |
| 	
 | |
| 	assert(shapeinterface);
 | |
| 	
 | |
| 	const SimdTransform& t = ctrl->GetRigidBody()->getCenterOfMassTransform();
 | |
| 	
 | |
| 	RigidBody* body = ctrl->GetRigidBody();
 | |
| 	
 | |
| 	SimdPoint3 minAabb,maxAabb;
 | |
| 	
 | |
| 	shapeinterface->GetAabb(t,minAabb,maxAabb);
 | |
| 	
 | |
| 	float timeStep = 0.02f;
 | |
| 	
 | |
| 	
 | |
| 	//extent it with the motion
 | |
| 	
 | |
| 	SimdVector3 linMotion = body->getLinearVelocity()*timeStep;
 | |
| 	
 | |
| 	float maxAabbx = maxAabb.getX();
 | |
| 	float maxAabby = maxAabb.getY();
 | |
| 	float maxAabbz = maxAabb.getZ();
 | |
| 	float minAabbx = minAabb.getX();
 | |
| 	float minAabby = minAabb.getY();
 | |
| 	float minAabbz = minAabb.getZ();
 | |
| 
 | |
| 	if (linMotion.x() > 0.f)
 | |
| 		maxAabbx += linMotion.x(); 
 | |
| 	else
 | |
| 		minAabbx += linMotion.x();
 | |
| 	if (linMotion.y() > 0.f)
 | |
| 		maxAabby += linMotion.y(); 
 | |
| 	else
 | |
| 		minAabby += linMotion.y();
 | |
| 	if (linMotion.z() > 0.f)
 | |
| 		maxAabbz += linMotion.z(); 
 | |
| 	else
 | |
| 		minAabbz += linMotion.z();
 | |
| 	
 | |
| 
 | |
| 	minAabb = SimdVector3(minAabbx,minAabby,minAabbz);
 | |
| 	maxAabb = SimdVector3(maxAabbx,maxAabby,maxAabbz);
 | |
| 	
 | |
| 	if (!ctrl->m_broadphaseHandle)
 | |
| 	{
 | |
| 		int type = shapeinterface->GetShapeType();
 | |
| 		ctrl->m_broadphaseHandle = scene->CreateProxy(
 | |
| 			ctrl->GetRigidBody(),
 | |
| 			type,
 | |
| 			minAabb, 
 | |
| 			maxAabb);
 | |
| 	}
 | |
| 	
 | |
| 	body->SetCollisionShape( shapeinterface );
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| }
 | |
| 
 | |
| void	CcdPhysicsEnvironment::removeCcdPhysicsController(CcdPhysicsController* ctrl)
 | |
| {
 | |
| 	
 | |
| 	//also remove constraint
 | |
| 	
 | |
| 	{
 | |
| 		std::vector<Point2PointConstraint*>::iterator i;
 | |
| 		
 | |
| 		for (i=m_p2pConstraints.begin();
 | |
| 		!(i==m_p2pConstraints.end()); i++)
 | |
| 		{
 | |
| 			Point2PointConstraint* p2p = (*i);
 | |
| 			if  ((&p2p->GetRigidBodyA() == ctrl->GetRigidBody() ||
 | |
| 				(&p2p->GetRigidBodyB() == ctrl->GetRigidBody())))
 | |
| 			{
 | |
| 				removeConstraint(int(p2p));
 | |
| 				//only 1 constraint per constroller
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	
 | |
| 	{
 | |
| 		std::vector<Point2PointConstraint*>::iterator i;
 | |
| 		
 | |
| 		for (i=m_p2pConstraints.begin();
 | |
| 		!(i==m_p2pConstraints.end()); i++)
 | |
| 		{
 | |
| 			Point2PointConstraint* p2p = (*i);
 | |
| 			if  ((&p2p->GetRigidBodyA() == ctrl->GetRigidBody() ||
 | |
| 				(&p2p->GetRigidBodyB() == ctrl->GetRigidBody())))
 | |
| 			{
 | |
| 				removeConstraint(int(p2p));
 | |
| 				//only 1 constraint per constroller
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| 	bool removeFromBroadphase = false;
 | |
| 	
 | |
| 	{
 | |
| 		BroadphaseInterface* scene = m_broadphase;
 | |
| 		BroadphaseProxy* bp = (BroadphaseProxy*)ctrl->m_broadphaseHandle;
 | |
| 		
 | |
| 		if (removeFromBroadphase)
 | |
| 		{
 | |
| 		}
 | |
| 		//
 | |
| 		// only clear the cached algorithms
 | |
| 		//
 | |
| 		scene->CleanProxyFromPairs(bp);
 | |
| 	}
 | |
| 	{
 | |
| 		std::vector<CcdPhysicsController*>::iterator i =
 | |
| 			std::find(m_controllers.begin(), m_controllers.end(), ctrl);
 | |
| 		if (!(i == m_controllers.end()))
 | |
| 		{
 | |
| 			std::swap(*i, m_controllers.back());
 | |
| 			m_controllers.pop_back();
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void	CcdPhysicsEnvironment::UpdateActivationState()
 | |
| {
 | |
| 	m_dispatcher->InitUnionFind();
 | |
| 	
 | |
| 	// put the index into m_controllers into m_tag	
 | |
| 	{
 | |
| 		std::vector<CcdPhysicsController*>::iterator i;
 | |
| 		
 | |
| 		int index = 0;
 | |
| 		for (i=m_controllers.begin();
 | |
| 		!(i==m_controllers.end()); i++)
 | |
| 		{
 | |
| 			CcdPhysicsController* ctrl = (*i);
 | |
| 			RigidBody* body = ctrl->GetRigidBody();
 | |
| 			body->m_islandTag1 = index;
 | |
| 			body->m_hitFraction = 1.f;
 | |
| 			index++;
 | |
| 			
 | |
| 		}
 | |
| 	}
 | |
| 	// do the union find
 | |
| 	
 | |
| 	m_dispatcher->FindUnions();
 | |
| 	
 | |
| 	// put the islandId ('find' value) into m_tag	
 | |
| 	{
 | |
| 		UnionFind& unionFind = m_dispatcher->GetUnionFind();
 | |
| 		
 | |
| 		std::vector<CcdPhysicsController*>::iterator i;
 | |
| 		
 | |
| 		int index = 0;
 | |
| 		for (i=m_controllers.begin();
 | |
| 		!(i==m_controllers.end()); i++)
 | |
| 		{
 | |
| 			CcdPhysicsController* ctrl = (*i);
 | |
| 			RigidBody* body = ctrl->GetRigidBody();
 | |
| 			
 | |
| 			
 | |
| 			if (body->mergesSimulationIslands())
 | |
| 			{
 | |
| 				body->m_islandTag1 = unionFind.find(index);
 | |
| 			} else
 | |
| 			{
 | |
| 				body->m_islandTag1 = -1;
 | |
| 			}
 | |
| 			index++;
 | |
| 		}
 | |
| 	}
 | |
| 	
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /// Perform an integration step of duration 'timeStep'.
 | |
| bool	CcdPhysicsEnvironment::proceedDeltaTime(double curTime,float timeStep)
 | |
| {
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| 	if (timeStep == 0.f)
 | |
| 		return true;
 | |
| 
 | |
| 	printf("CcdPhysicsEnvironment::proceedDeltaTime\n");
 | |
| 
 | |
| 	//clamp hardcoded for now
 | |
| 	if (timeStep > 0.02)
 | |
| 		timeStep = 0.02;
 | |
| 	
 | |
| 	//this is needed because scaling is not known in advance, and scaling has to propagate to the shape
 | |
| 	if (!m_scalingPropagated)
 | |
| 	{
 | |
| 		SyncMotionStates(timeStep);
 | |
| 		m_scalingPropagated = true;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 
 | |
| 	{
 | |
| //		std::vector<CcdPhysicsController*>::iterator i;
 | |
| 		
 | |
| 		
 | |
| 		
 | |
| 		int k;
 | |
| 		for (k=0;k<GetNumControllers();k++)
 | |
| 		{
 | |
| 			CcdPhysicsController* ctrl = m_controllers[k];
 | |
| 			//		SimdTransform predictedTrans;
 | |
| 			RigidBody* body = ctrl->GetRigidBody();
 | |
| 			if (body->GetActivationState() != ISLAND_SLEEPING)
 | |
| 			{
 | |
| 				body->applyForces( timeStep);
 | |
| 				body->integrateVelocities( timeStep);
 | |
| 			}
 | |
| 			
 | |
| 		}
 | |
| 	}
 | |
| 	BroadphaseInterface*	scene = m_broadphase;
 | |
| 	
 | |
| 	
 | |
| 	//
 | |
| 	// collision detection (?)
 | |
| 	//
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| 	
 | |
| 	int numsubstep = m_numIterations;
 | |
| 	
 | |
| 	
 | |
| 	DispatcherInfo dispatchInfo;
 | |
| 	dispatchInfo.m_timeStep = timeStep;
 | |
| 	dispatchInfo.m_stepCount = 0;
 | |
| 
 | |
| 	scene->DispatchAllCollisionPairs(*m_dispatcher,dispatchInfo);///numsubstep,g);
 | |
| 
 | |
| 
 | |
| 
 | |
| 	
 | |
| 		
 | |
| 	
 | |
| 	int numRigidBodies = m_controllers.size();
 | |
| 	
 | |
| 	UpdateActivationState();
 | |
| 
 | |
| 	//contacts
 | |
| 
 | |
| 	
 | |
| 	m_dispatcher->SolveConstraints(timeStep, m_numIterations ,numRigidBodies,m_debugDrawer);
 | |
| 
 | |
| 	for (int g=0;g<numsubstep;g++)
 | |
| 	{
 | |
| 		//
 | |
| 		// constraint solving
 | |
| 		//
 | |
| 		
 | |
| 		
 | |
| 		int i;
 | |
| 		int numPoint2Point = m_p2pConstraints.size();
 | |
| 		
 | |
| 		//point to point constraints
 | |
| 		for (i=0;i< numPoint2Point ; i++ )
 | |
| 		{
 | |
| 			Point2PointConstraint* p2p = m_p2pConstraints[i];
 | |
| 			
 | |
| 			p2p->BuildJacobian();
 | |
| 			p2p->SolveConstraint( timeStep );
 | |
| 			
 | |
| 		}
 | |
| 		/*
 | |
| 		//vehicles
 | |
| 		int numVehicles = m_vehicles.size();
 | |
| 		for (i=0;i<numVehicles;i++)
 | |
| 		{
 | |
| 			Vehicle* vehicle = m_vehicles[i];
 | |
| 			vehicle->UpdateVehicle( timeStep );
 | |
| 		}
 | |
| 		*/
 | |
| 		
 | |
| 		
 | |
| 		
 | |
| 	}
 | |
| 	
 | |
| 	{
 | |
| 		
 | |
| 		
 | |
| 		
 | |
| 		{
 | |
| 			
 | |
| 			std::vector<CcdPhysicsController*>::iterator i;
 | |
| 			
 | |
| 			//
 | |
| 			// update aabbs, only for moving objects (!)
 | |
| 			//
 | |
| 			for (i=m_controllers.begin();
 | |
| 			!(i==m_controllers.end()); i++)
 | |
| 			{
 | |
| 				CcdPhysicsController* ctrl = (*i);
 | |
| 				RigidBody* body = ctrl->GetRigidBody();
 | |
| 				
 | |
| 				
 | |
| 				SimdPoint3 minAabb,maxAabb;
 | |
| 				CollisionShape* shapeinterface = ctrl->GetCollisionShape();
 | |
| 
 | |
| 
 | |
| 
 | |
| 				shapeinterface->CalculateTemporalAabb(body->getCenterOfMassTransform(),
 | |
| 					body->getLinearVelocity(),body->getAngularVelocity(),
 | |
| 					timeStep,minAabb,maxAabb);
 | |
| 
 | |
| 				shapeinterface->GetAabb(body->getCenterOfMassTransform(),
 | |
| 					minAabb,maxAabb);
 | |
| 
 | |
| 				
 | |
| 				BroadphaseProxy* bp = (BroadphaseProxy*) ctrl->m_broadphaseHandle;
 | |
| 				if (bp)
 | |
| 				{
 | |
| 					
 | |
| #ifdef WIN32
 | |
| 					SimdVector3 color (1,0,0);
 | |
| 					
 | |
| 				
 | |
| 
 | |
| 				
 | |
| 					if (m_debugDrawer)
 | |
| 					{	
 | |
| 						//draw aabb
 | |
| 						switch (body->GetActivationState())
 | |
| 						{
 | |
| 						case ISLAND_SLEEPING:
 | |
| 							{
 | |
| 								color.setValue(0,1,0);
 | |
| 								break;
 | |
| 							}
 | |
| 						case WANTS_DEACTIVATION:
 | |
| 							{
 | |
| 								color.setValue(0,0,1);
 | |
| 								break;
 | |
| 							}
 | |
| 						case ACTIVE_TAG:
 | |
| 							{
 | |
| 								break;
 | |
| 							}
 | |
| 
 | |
| 							
 | |
| 						};
 | |
| 
 | |
| 						DrawAabb(m_debugDrawer,minAabb,maxAabb,color);
 | |
| 					}
 | |
| #endif
 | |
| 
 | |
| 					scene->SetAabb(bp,minAabb,maxAabb);
 | |
| 
 | |
| 
 | |
| 					
 | |
| 				}
 | |
| 			}
 | |
| 			
 | |
| 			float toi = 1.f;
 | |
| 
 | |
| 
 | |
| 			
 | |
| 			if (m_ccdMode == 3)
 | |
| 			{
 | |
| 				DispatcherInfo dispatchInfo;
 | |
| 				dispatchInfo.m_timeStep = timeStep;
 | |
| 				dispatchInfo.m_stepCount = 0;
 | |
| 				dispatchInfo.m_dispatchFunc = DispatcherInfo::DISPATCH_CONTINUOUS;
 | |
| 				
 | |
| 				scene->DispatchAllCollisionPairs( *m_dispatcher,dispatchInfo);///numsubstep,g);
 | |
| 				toi = dispatchInfo.m_timeOfImpact;
 | |
| 			}
 | |
| 			
 | |
| 			//
 | |
| 			// integrating solution
 | |
| 			//
 | |
| 			
 | |
| 			{
 | |
| 				std::vector<CcdPhysicsController*>::iterator i;
 | |
| 				
 | |
| 				for (i=m_controllers.begin();
 | |
| 				!(i==m_controllers.end()); i++)
 | |
| 				{
 | |
| 					
 | |
| 					CcdPhysicsController* ctrl = *i;
 | |
| 					
 | |
| 					SimdTransform predictedTrans;
 | |
| 					RigidBody* body = ctrl->GetRigidBody();
 | |
| 					if (body->GetActivationState() != ISLAND_SLEEPING)
 | |
| 					{
 | |
| 						body->predictIntegratedTransform(timeStep*	toi, predictedTrans);
 | |
| 						body->proceedToTransform( predictedTrans);
 | |
| 
 | |
| 					}
 | |
| 				}
 | |
| 				
 | |
| 			}
 | |
| 			
 | |
| 			
 | |
| 			
 | |
| 			
 | |
| 			
 | |
| 			//
 | |
| 			// disable sleeping physics objects
 | |
| 			//
 | |
| 			
 | |
| 			std::vector<CcdPhysicsController*> m_sleepingControllers;
 | |
| 			
 | |
| 			for (i=m_controllers.begin();
 | |
| 			!(i==m_controllers.end()); i++)
 | |
| 			{
 | |
| 				CcdPhysicsController* ctrl = (*i);
 | |
| 				RigidBody* body = ctrl->GetRigidBody();
 | |
| 
 | |
| 				ctrl->UpdateDeactivation(timeStep);
 | |
| 
 | |
| 				
 | |
| 				if (ctrl->wantsSleeping())
 | |
| 				{
 | |
| 					if (body->GetActivationState() == ACTIVE_TAG)
 | |
| 						body->SetActivationState( WANTS_DEACTIVATION );
 | |
| 				} else
 | |
| 				{
 | |
| 					body->SetActivationState( ACTIVE_TAG );
 | |
| 				}
 | |
| 
 | |
| 				if (useIslands)
 | |
| 				{
 | |
| 					if (body->GetActivationState() == ISLAND_SLEEPING)
 | |
| 					{
 | |
| 						m_sleepingControllers.push_back(ctrl);
 | |
| 					}
 | |
| 				} else
 | |
| 				{
 | |
| 					if (ctrl->wantsSleeping())
 | |
| 					{
 | |
| 						m_sleepingControllers.push_back(ctrl);
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 			
 | |
| 	
 | |
| 			
 | |
| 			
 | |
| 	}
 | |
| 	
 | |
| 	SyncMotionStates(timeStep);
 | |
| 
 | |
| 	}
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setDebugMode(int debugMode)
 | |
| {
 | |
| 	if (m_debugDrawer){
 | |
| 		m_debugDrawer->SetDebugMode(debugMode);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setNumIterations(int numIter)
 | |
| {
 | |
| 	m_numIterations = numIter;
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setDeactivationTime(float dTime)
 | |
| {
 | |
| 	gDeactivationTime = dTime;
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setDeactivationLinearTreshold(float linTresh)
 | |
| {
 | |
| 	gLinearSleepingTreshold = linTresh;
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setDeactivationAngularTreshold(float angTresh) 
 | |
| {
 | |
| 	gAngularSleepingTreshold = angTresh;
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setContactBreakingTreshold(float contactBreakingTreshold)
 | |
| {
 | |
| 	gContactBreakingTreshold = contactBreakingTreshold;
 | |
| 	
 | |
| }
 | |
| 
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setCcdMode(int ccdMode)
 | |
| {
 | |
| 	m_ccdMode = ccdMode;
 | |
| }
 | |
| 
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setSolverSorConstant(float sor)
 | |
| {
 | |
| 	m_dispatcher->SetSor(sor);
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setSolverTau(float tau)
 | |
| {
 | |
| 	m_dispatcher->SetTau(tau);
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setSolverDamping(float damping)
 | |
| {
 | |
| 	m_dispatcher->SetDamping(damping);
 | |
| }
 | |
| 
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setLinearAirDamping(float damping)
 | |
| {
 | |
| 	gLinearAirDamping = damping;
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setUseEpa(bool epa)
 | |
| {
 | |
| 	gUseEpa = epa;
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::setSolverType(int solverType)
 | |
| {
 | |
| 
 | |
| 	switch (solverType)
 | |
| 	{
 | |
| 	case 1:
 | |
| 		{
 | |
| 			if (m_solverType != solverType)
 | |
| 			{
 | |
| 				if (m_dispatcher)
 | |
| 					delete m_dispatcher;
 | |
| 
 | |
| 				SimpleConstraintSolver* solver= new SimpleConstraintSolver();
 | |
| 				m_dispatcher = new ToiContactDispatcher(solver);
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	
 | |
| 	case 0:
 | |
| 	default:
 | |
| 			if (m_solverType != solverType)
 | |
| 			{
 | |
| 				if (m_dispatcher)
 | |
| 					delete m_dispatcher;
 | |
| 
 | |
| 				OdeConstraintSolver* solver= new OdeConstraintSolver();
 | |
| 				m_dispatcher = new ToiContactDispatcher(solver);
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 	};
 | |
| 	
 | |
| 	m_solverType = solverType ;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| void	CcdPhysicsEnvironment::SyncMotionStates(float timeStep)
 | |
| {
 | |
| 	std::vector<CcdPhysicsController*>::iterator i;
 | |
| 
 | |
| 	//
 | |
| 	// synchronize the physics and graphics transformations
 | |
| 	//
 | |
| 
 | |
| 	for (i=m_controllers.begin();
 | |
| 	!(i==m_controllers.end()); i++)
 | |
| 	{
 | |
| 		CcdPhysicsController* ctrl = (*i);
 | |
| 		ctrl->SynchronizeMotionStates(timeStep);
 | |
| 		
 | |
| 	}
 | |
| 
 | |
| }
 | |
| void		CcdPhysicsEnvironment::setGravity(float x,float y,float z)
 | |
| {
 | |
| 	m_gravity = SimdVector3(x,y,z);
 | |
| 
 | |
| 	std::vector<CcdPhysicsController*>::iterator i;
 | |
| 
 | |
| 	//todo: review this gravity stuff
 | |
| 	for (i=m_controllers.begin();
 | |
| 	!(i==m_controllers.end()); i++)
 | |
| 	{
 | |
| 
 | |
| 		CcdPhysicsController* ctrl = (*i);
 | |
| 		ctrl->GetRigidBody()->setGravity(m_gravity);
 | |
| 
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| int			CcdPhysicsEnvironment::createConstraint(class PHY_IPhysicsController* ctrl0,class PHY_IPhysicsController* ctrl1,PHY_ConstraintType type,
 | |
| 														float pivotX,float pivotY,float pivotZ,
 | |
| 														float axisX,float axisY,float axisZ)
 | |
| {
 | |
| 	
 | |
| 	
 | |
| 	CcdPhysicsController* c0 = (CcdPhysicsController*)ctrl0;
 | |
| 	CcdPhysicsController* c1 = (CcdPhysicsController*)ctrl1;
 | |
| 	
 | |
| 	RigidBody* rb0 = c0 ? c0->GetRigidBody() : 0;
 | |
| 	RigidBody* rb1 = c1 ? c1->GetRigidBody() : 0;
 | |
| 	
 | |
| 	ASSERT(rb0);
 | |
| 	
 | |
| 	SimdVector3 pivotInA(pivotX,pivotY,pivotZ);
 | |
| 	SimdVector3 pivotInB = rb1 ? rb1->getCenterOfMassTransform().inverse()(rb0->getCenterOfMassTransform()(pivotInA)) : pivotInA;
 | |
| 	
 | |
| 	switch (type)
 | |
| 	{
 | |
| 	case PHY_POINT2POINT_CONSTRAINT:
 | |
| 		{
 | |
| 			
 | |
| 			Point2PointConstraint* p2p = 0;
 | |
| 			
 | |
| 			if (rb1)
 | |
| 			{
 | |
| 				p2p = new Point2PointConstraint(*rb0,
 | |
| 					*rb1,pivotInA,pivotInB);
 | |
| 			} else
 | |
| 			{
 | |
| 				p2p = new Point2PointConstraint(*rb0,
 | |
| 					pivotInA);
 | |
| 			}
 | |
| 			
 | |
| 			m_p2pConstraints.push_back(p2p);
 | |
| 			return 0;
 | |
| 			
 | |
| 			break;
 | |
| 		}
 | |
| 	default:
 | |
| 		{
 | |
| 		}
 | |
| 	};
 | |
| 	
 | |
| 	//RigidBody& rbA,RigidBody& rbB, const SimdVector3& pivotInA,const SimdVector3& pivotInB
 | |
| 	
 | |
| 	return 0;
 | |
| 	
 | |
| }
 | |
| 
 | |
| void		CcdPhysicsEnvironment::removeConstraint(int constraintid)
 | |
| {
 | |
| 	
 | |
| 	Point2PointConstraint* p2p = (Point2PointConstraint*) constraintid;
 | |
| 	
 | |
| 	std::vector<Point2PointConstraint*>::iterator i =
 | |
| 		std::find(m_p2pConstraints.begin(), m_p2pConstraints.end(), p2p);
 | |
| 	
 | |
| 	if (!(i == m_p2pConstraints.end()) )
 | |
| 	{
 | |
| 		std::swap(*i, m_p2pConstraints.back());
 | |
| 		m_p2pConstraints.pop_back();
 | |
| 	}
 | |
| 	
 | |
| }
 | |
| 
 | |
| PHY_IPhysicsController* CcdPhysicsEnvironment::rayTest(PHY_IPhysicsController* ignoreClient, float fromX,float fromY,float fromZ, float toX,float toY,float toZ, 
 | |
| 								float& hitX,float& hitY,float& hitZ,float& normalX,float& normalY,float& normalZ)
 | |
| {
 | |
| 
 | |
| 	printf("raytest\n");
 | |
| 	int minFraction = 1.f;
 | |
| 
 | |
| 	SimdTransform	rayFromTrans,rayToTrans;
 | |
| 	rayFromTrans.setIdentity();
 | |
| 	rayFromTrans.setOrigin(SimdVector3(fromX,fromY,fromZ));
 | |
| 	rayToTrans.setIdentity();
 | |
| 	rayToTrans.setOrigin(SimdVector3(toX,toY,toZ));
 | |
| 
 | |
| 
 | |
| 	CcdPhysicsController* nearestHit = 0;
 | |
| 	
 | |
| 	std::vector<CcdPhysicsController*>::iterator i;
 | |
| 	SphereShape pointShape(0.0f);
 | |
| 
 | |
| 	/// brute force go over all objects. Once there is a broadphase, use that, or
 | |
| 	/// add a raycast against aabb first.
 | |
| 	for (i=m_controllers.begin();
 | |
| 	!(i==m_controllers.end()); i++)
 | |
| 	{
 | |
| 
 | |
| 		CcdPhysicsController* ctrl = (*i);
 | |
| 		if (ctrl == ignoreClient)
 | |
| 			continue;
 | |
| 
 | |
| 		RigidBody* body = ctrl->GetRigidBody();
 | |
| 
 | |
| 		if (body->GetCollisionShape()->IsConvex())
 | |
| 		{
 | |
| 			ConvexCast::CastResult rayResult;
 | |
| 			rayResult.m_fraction = minFraction;
 | |
| 
 | |
| 			ConvexShape* convexShape = (ConvexShape*) body->GetCollisionShape();
 | |
| 			VoronoiSimplexSolver	simplexSolver;
 | |
| 			SubsimplexConvexCast convexCaster(&pointShape,convexShape,&simplexSolver);
 | |
| 			if (convexCaster.calcTimeOfImpact(rayFromTrans,rayToTrans,body->getCenterOfMassTransform(),body->getCenterOfMassTransform(),rayResult))
 | |
| 			{
 | |
| 				//add hit
 | |
| 				rayResult.m_normal.normalize();
 | |
| 				if (rayResult.m_fraction < minFraction)
 | |
| 				{
 | |
| 					minFraction = rayResult.m_fraction;
 | |
| 					nearestHit = ctrl;
 | |
| 					normalX = rayResult.m_normal.getX();
 | |
| 					normalY = rayResult.m_normal.getY();
 | |
| 					normalZ = rayResult.m_normal.getZ();
 | |
| 					hitX = rayResult.m_hitTransformA.getOrigin().getX();
 | |
| 					hitY = rayResult.m_hitTransformA.getOrigin().getY();
 | |
| 					hitZ = rayResult.m_hitTransformA.getOrigin().getZ();
 | |
| 				}
 | |
| 			}
 | |
| 		} else
 | |
| 		{
 | |
| 			if (body->GetCollisionShape()->IsConcave())
 | |
| 			{
 | |
| 				TriangleMeshShape* triangleMesh = (TriangleMeshShape*)body->GetCollisionShape();
 | |
| 				
 | |
| 				SimdTransform worldToBody = body->getCenterOfMassTransform().inverse();
 | |
| 
 | |
| 				SimdVector3 rayFromLocal = worldToBody * rayFromTrans.getOrigin();
 | |
| 				SimdVector3 rayToLocal = worldToBody * rayToTrans.getOrigin();
 | |
| 
 | |
| 				RaycastCallback	rcb(rayFromLocal,rayToLocal);
 | |
| 				rcb.m_hitFraction = minFraction;
 | |
| 
 | |
| 				SimdVector3 aabbMax(1e30f,1e30f,1e30f);
 | |
| 
 | |
| 				triangleMesh->ProcessAllTriangles(&rcb,-aabbMax,aabbMax);
 | |
| 				if (rcb.m_hitFound && (rcb.m_hitFraction < minFraction))
 | |
| 				{
 | |
| 					printf("hit %f\n",rcb.m_hitFraction);
 | |
| 					nearestHit = ctrl;
 | |
| 					minFraction = rcb.m_hitFraction;
 | |
| 					SimdVector3 hitNormalWorld = body->getCenterOfMassTransform()(rcb.m_hitNormalLocal);
 | |
| 
 | |
| 					normalX = hitNormalWorld.getX();
 | |
| 					normalY = hitNormalWorld.getY();
 | |
| 					normalZ = hitNormalWorld.getZ();
 | |
| 					SimdVector3 hitWorld;
 | |
| 					hitWorld.setInterpolate3(rayFromTrans.getOrigin(),rayToTrans.getOrigin(),rcb.m_hitFraction);
 | |
| 					hitX = hitWorld.getX();
 | |
| 					hitY = hitWorld.getY();
 | |
| 					hitZ = hitWorld.getZ();
 | |
| 					
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return nearestHit;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| int	CcdPhysicsEnvironment::getNumContactPoints()
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| void CcdPhysicsEnvironment::getContactPoint(int i,float& hitX,float& hitY,float& hitZ,float& normalX,float& normalY,float& normalZ)
 | |
| {
 | |
| 	
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| Dispatcher* CcdPhysicsEnvironment::GetDispatcher()
 | |
| {
 | |
| 	return m_dispatcher;
 | |
| }
 | |
| 
 | |
| CcdPhysicsEnvironment::~CcdPhysicsEnvironment()
 | |
| {
 | |
| 	
 | |
| 	
 | |
| 	m_vehicles.clear();
 | |
| 	
 | |
| 	//m_broadphase->DestroyScene();
 | |
| 	//delete broadphase ? release reference on broadphase ?
 | |
| 	
 | |
| 	//first delete scene, then dispatcher, because pairs have to release manifolds on the dispatcher
 | |
| 	delete m_dispatcher;
 | |
| 	
 | |
| }
 | |
| 
 | |
| 
 | |
| int	CcdPhysicsEnvironment::GetNumControllers()
 | |
| {
 | |
| 	return m_controllers.size();
 | |
| }
 | |
| 
 | |
| 
 | |
| CcdPhysicsController* CcdPhysicsEnvironment::GetPhysicsController( int index)
 | |
| {
 | |
| 	return m_controllers[index];
 | |
| }
 | |
| 
 | |
| 
 | |
| int	CcdPhysicsEnvironment::GetNumManifolds() const
 | |
| {
 | |
| 	return m_dispatcher->GetNumManifolds();
 | |
| }
 | |
| 
 | |
| const PersistentManifold*	CcdPhysicsEnvironment::GetManifold(int index) const
 | |
| {
 | |
| 	return m_dispatcher->GetManifoldByIndexInternal(index);
 | |
| }
 |