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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\GameFactory\ControllablePhysObj.cpp

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#include "ControllablePhysObj.h"

#include "GameScene.h"

const Real ControllablePhysObj::lowestSpeed = 0.1f/60.0f;//0.1 meters per second
const Real ControllablePhysObj::skinWidthRatio = 1.0f/50.0f; // the ratio of skinWidth to the radius
NxUserAllocatorDefault* ControllablePhysObj::memAllocator = NULL;
NxControllerManager* ControllablePhysObj::controllerManager = NULL;

ControllablePhysObj::ControllablePhysObj(Real radius, Real height, VisualObject* visualObject)
		:mPhysController(NULL), PhysicalObject(visualObject){
	if (controllerManager==NULL){
		//NxUserAllocator
		memAllocator = new NxUserAllocatorDefault();
		controllerManager = NxCreateControllerManager(memAllocator);
		myassert(controllerManager!=NULL);
	}
	mHeight = height + 2*radius;
	mDisplacementVector = Vec3(0,0,mHeight/2);

	NxCapsuleControllerDesc  desc;
	desc.upDirection = NX_Z;
	//desc.climbingMode = NxCapsuleClimbingMode::CLIMB_EASY;
	desc.height = height;
	desc.radius = radius;
	desc.skinWidth = radius * skinWidthRatio;

	desc.slopeLimit = 0;
	desc.stepOffset = 0.1f;
	desc.interactionFlag = NxCCTInteractionFlag::NXIF_INTERACTION_INCLUDE;
	desc.callback = this;

	Vec3 startPosition = mVisualObject->GetPosition();
	desc.position = NxExtendedVec3(startPosition.x,startPosition.y,startPosition.z);
	mPhysController = controllerManager->createController(GameScene::GetSingleton()->GetPhysicsScnene(),desc);
	myassert(mPhysController!=NULL);
	mPhysController->reportSceneChanged();
	mPhysController->setCollision(true);
	//mPhysController->getActor()->setGroup(5);

	mPhysController->getActor()->setContactReportFlags(NxContactPairFlag::NX_NOTIFY_FORCES | NxContactPairFlag::NX_NOTIFY_ON_START_TOUCH );
}

ControllablePhysObj::~ControllablePhysObj(){
	mPhysController->getActor()->userData = NULL;
	controllerManager->releaseController(*mPhysController);
}

void ControllablePhysObj::SetMovement(const Vec3& movingVector){
	//if (movingVector.length()>0){
	//	int aa=0;
	//}
	NxU32 collisionFlags;
	mPhysController->move(movingVector,1,lowestSpeed,collisionFlags);
}

void ControllablePhysObj::FrameMove(Real elapsedTime){
	mVisualObject->SetPosition(GetPosition());//only set position, because it does not have orientation
	NxU32 collisionFlags;
	mPhysController->move(Vec3(0,0,GameScene::GravityValue*elapsedTime),1,lowestSpeed,collisionFlags);
}


inline void ControllablePhysObj::RegisterPhysicalEventHandler(PhysicalEventHandler* physicalEventHandler){
	myassert(mPhysController->getActor()->userData == NULL);//register one time only
	mPhysController->getActor()->userData = physicalEventHandler;
}

void ControllablePhysObj::SetCollisionEnable(bool enabled){
	mPhysController->setCollision(enabled);
	if (!enabled){
		mPhysController->setInteraction(NxCCTInteractionFlag::NXIF_INTERACTION_EXCLUDE);
		mPhysController->getActor()->putToSleep();
	}
}

NxControllerAction ControllablePhysObj::onShapeHit (const NxControllerShapeHit &hit){
	if (hit.shape->getActor().userData!=NULL){
		static_cast<PhysicalEventHandler*>(this->mPhysController->getActor()->userData)->IsCollided(
			static_cast<PhysicalEventHandler*>(hit.shape->getActor().userData),hit.worldPos,hit.worldNormal);
	}
	return NxControllerAction::NX_ACTION_NONE;
}

NxControllerAction  ControllablePhysObj::onControllerHit (const NxControllersHit &hit)
{
	return NxControllerAction::NX_ACTION_NONE;
}

ControllablePhysObj.cpp

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