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Fizika. PhysX. Kezdeti teendők. Letöltés: OgrePhysXBase.zip Kicsomagol Futtat: OgrePhysX.sln Include és library útvonalak beállítása Working directory beállítása Fordít Futtat. # include " Ogre.h " # define OIS_DYNAMIC_LIB # include using namespace Ogre ; - PowerPoint PPT Presentation
Transcript of Fizika
PhysX
Kezdeti teendőkLetöltés: OgrePhysXBase.zipKicsomagolFuttat: OgrePhysX.slnInclude és library útvonalak beállításaWorking directory beállításaFordítFuttat
#include "Ogre.h"#define OIS_DYNAMIC_LIB#include <OIS/OIS.h>
using namespace Ogre;
Root* ogreRoot;SceneManager* sceneManager;Camera* camera;RenderWindow* renderWindow;OIS::InputManager* OISInputManager;SceneNode* box1Node;SceneNode* box2Node;SceneNode* box3Node;
createGround();
SceneNode* rootNode = sceneManager->getRootSceneNode();box1Node = rootNode->createChildSceneNode();Entity* box1 = sceneManager->createEntity("box1", "doboz.mesh");box1Node->attachObject(box1);box1Node->setScale(10,10,10);box1Node->setPosition(0,10,0);
box2Node = rootNode->createChildSceneNode();Entity* box2 = sceneManager->createEntity("box2", "doboz.mesh");box2Node->attachObject(box2);box2Node->setScale(15,15,15);box2Node->setPosition(5,30,0);
box3Node = rootNode->createChildSceneNode();Entity* box3 = sceneManager->createEntity("box3", "doboz.mesh");box3Node->attachObject(box3);box3Node->setScale(5,5,5);box3Node->setPosition(-2,50,5);
sceneManager->setSkyBox(true, "Sky", 10, true);
Próba
class PhysicsHandler;PhysicsHandler* physicsHandler;class PhysicsHandler: public FrameListener{
public:
PhysicsHandler (){
}~PhysicsHandler (){
}bool frameStarted(const FrameEvent& evt){
return true;}
};
class ControlDeviceHandler : public FrameListener
void setupListeners(){
ogreRoot->addFrameListener(new ControlDeviceHandler());physicsHandler = new PhysicsHandler();ogreRoot->addFrameListener(physicsHandler);
}
class PhysicsHandler : public FrameListener{protected:
bool inited;NxPhysicsSDK* mPhysicsSDK;NxScene* mPhysicsScene;
public:PhysicsHandler(){
inited = false;mPhysicsSDK = NxCreatePhysicsSDK(NX_PHYSICS_SDK_VERSION);if (!mPhysicsSDK) return;
mPhysicsSDK->getFoundationSDK().getRemoteDebugger()->connect("localhost", 5425);
mPhysicsSDK->setParameter(NX_SKIN_WIDTH, 0.01);NxSceneDesc sceneDesc;
sceneDesc.simType = NX_SIMULATION_HW;sceneDesc.gravity = NxVec3(0,-90.8f,0);sceneDesc.groundPlane = true;
mPhysicsScene = mPhysicsSDK->createScene(sceneDesc);if(!mPhysicsScene){
sceneDesc.simType = NX_SIMULATION_SW; mPhysicsScene = mPhysicsSDK->createScene(sceneDesc); if(!mPhysicsScene) return;
}
// Create the default materialNxMaterial* defaultMaterial = mPhysicsScene->getMaterialFromIndex(0); defaultMaterial->setRestitution(0.5);defaultMaterial->setStaticFriction(0.5);defaultMaterial->setDynamicFriction(0.5);
inited = true;}
PhysX-hez mi kell indulásképpen?#include "NxPhysics.h "
Include path beállítása: ..\PhysX\SDKs\Physics\include..\PhysX\SDKs\Foundation..\PhysX\SDKs\PhysXLoader\include
Library path beállítása: ..\PhysX\SDKs\lib\Win32
Library megadása : PhysXLoader.libPhysXLoader.dll másolása bin-be
Próba… fordul-e?
Szimulációbool frameStarted(const FrameEvent& evt){
if(!inited)return true;
mPhysicsScene->simulate(evt.timeSinceLastFrame);mPhysicsScene->flushStream();while (!mPhysicsScene-
>fetchResults(NX_RIGID_BODY_FINISHED, false));
return true;}
Visual DebuggerFuttat : RemoteDebugger.exeFuttat: OgrePhysX
Sík
class PhysXBoxObject{protected:
SceneNode* ogreNode;NxActorDesc actorDesc;NxBoxShapeDesc boxDesc;NxActor* actor;NxBodyDesc bodyDesc;
public:PhysXBoxObject(SceneNode* ogreNode, NxScene* physXScene){
this->ogreNode = ogreNode;boxDesc.dimensions.set(ogreNode->getScale().x,
ogreNode->getScale().y,ogreNode->getScale().z);
actorDesc.shapes.pushBack(&boxDesc);actorDesc.body = &bodyDesc;actorDesc.density = 10;actorDesc.globalPose.t = NxVec3(ogreNode->getPosition().x,
ogreNode->getPosition().y,ogreNode->getPosition().z);
actor = physXScene->createActor(actorDesc);}
};
class PhysicsHandler : public FrameListener{protected:
bool inited;NxPhysicsSDK* mPhysicsSDK;NxScene* mPhysicsScene;PhysXBoxObject* boxes[3];
public:PhysicsHandler(){…
defaultMaterial->setDynamicFriction(0.5);
boxes[0] = new PhysXBoxObject(box1Node, mPhysicsScene);
boxes[1] = new PhysXBoxObject(box2Node, mPhysicsScene);
boxes[2] = new PhysXBoxObject(box3Node, mPhysicsScene);
inited = true;}
Próba
class PhysXBoxObject{public:
void update(){
ogreNode->setOrientation(actor->getGlobalOrientationQuat().w,
actor->getGlobalOrientationQuat().x,actor->getGlobalOrientationQuat().y,actor->getGlobalOrientationQuat().z);
ogreNode->setPosition(actor->getGlobalPosition().x,actor->getGlobalPosition().y,actor->getGlobalPosition().z);
}
Próba
class PhysicsHandler : public FrameListener{…
bool frameStarted(const FrameEvent& evt){
if(!inited)return true;
mPhysicsScene->simulate(evt.timeSinceLastFrame);mPhysicsScene->flushStream();while (!mPhysicsScene->fetchResults(NX_RIGID_BODY_FINISHED, false));
boxes[0]->update();boxes[1]->update();boxes[2]->update();
return true;}
PhysXBoxObject(SceneNode* ogreNode, NxScene* physXScene)
{this->ogreNode = ogreNode;boxDesc.dimensions.set(ogreNode->getScale().x
* 0.5f,ogreNode->getScale().y * 0.5f,ogreNode->getScale().z *
0.5f);
Próba
class PhysXBallObject{protected:
SceneNode* ogreNode;NxActorDesc actorDesc;NxSphereShapeDesc sphereDesc;NxActor* actor;NxBodyDesc bodyDesc;
public:
PhysXBallObject(SceneNode* ogreNode, NxScene* physXScene){
this->ogreNode = ogreNode;sphereDesc.radius = 3;actorDesc.shapes.pushBack(&sphereDesc);actorDesc.body = &bodyDesc;actorDesc.density = 10;actorDesc.globalPose.t = NxVec3(camera->getPosition().x,
camera->getPosition().y,camera->getPosition().z);
actor = physXScene->createActor(actorDesc);actor->addForce(NxVec3(camera->getDirection().x * 10000,
camera->getDirection().y * 10000,camera->getDirection().z * 10000), NX_ACCELERATION);
}void update(){
ogreNode->setOrientation(actor->getGlobalOrientationQuat().w,actor->getGlobalOrientationQuat().x,actor->getGlobalOrientationQuat().y,actor->getGlobalOrientationQuat().z);
ogreNode->setPosition(actor->getGlobalPosition().x,actor->getGlobalPosition().y,actor->getGlobalPosition().z);
}};
class PhysicsHandler : public FrameListener{protected:
…std::vector<PhysXBallObject*> balls;
public:void addBall(SceneNode* ogreNode){
balls.push_back(new PhysXBallObject(ogreNode, mPhysicsScene));}bool frameStarted(const FrameEvent& evt){
…boxes[0]->update();boxes[1]->update();boxes[2]->update();
std::vector<PhysXBallObject*>::iterator it = balls.begin();std::vector<PhysXBallObject*>::iterator itend = balls.end();while(it != itend){
(*it)->update();it++;
}
return true;}
void addBall();class PhysicsHandler;PhysicsHandler* physicsHandler;
…
void addBall(){
static int id = 0;SceneNode* ballNode = sceneManager->getRootSceneNode()->createChildSceneNode();Entity *ballEnt = sceneManager->createEntity("ball"+StringConverter::toString(id),"strippedBall.mesh");ballNode->attachObject(ballEnt);ballNode->setScale(3,3,3);physicsHandler->addBall(ballNode);id++;
}
void createGround()
Elődeklaráció
class ControlDeviceHandler : public FrameListener{…bool frameStarted(const FrameEvent& evt)
{if( mKeyboard->isKeyDown(OIS::KC_SPACE) &&
mTimeUntilNextToggle < 0){
addBall();mTimeUntilNextToggle = 0.5f;
}…
Próba
Statikus ActorPhysXBoxObject(SceneNode* ogreNode, NxScene*
physXScene){
this->ogreNode = ogreNode;boxDesc.dimensions.set(ogreNode->getScale().x *
0.5f,ogreNode->getScale().y * 0.5f,ogreNode->getScale().z * 0.5f);
actorDesc.shapes.pushBack(&boxDesc);actorDesc.body = 0;//&bodyDesc;
…Ekkor az update függvényre sincs szükség!!
Utána állítsuk vissza dynamic actor-ra (bodydesc!= 0)!!
Animáció//globális változóSceneNode* hammerNode;
…
class AnimController : public FrameListener{public:
bool frameStarted(const FrameEvent& evt){
hammerNode->rotate(Vector3::UNIT_Y, Radian(evt.timeSinceLastFrame * 2.0f));
return true;}
};
void setupListeners(){
ogreRoot->addFrameListener(new AnimController());…}
void setupScene(){
…
hammerNode = rootNode->createChildSceneNode();SceneNode* tempNode = hammerNode->createChildSceneNode();Entity* hammer = sceneManager->createEntity("hammer", "TrollMace.mesh");tempNode->attachObject(hammer);tempNode->rotate(Vector3::UNIT_X,Radian(Degree(90)));hammerNode->setScale(30,30,30);hammerNode->setPosition(0,5,30);
…
}
Próba
class PhysXHammerObject{protected:
SceneNode* ogreNode;NxActorDesc actorDesc;NxBoxShapeDesc headBoxDesc;NxBoxShapeDesc handleBoxDesc;NxActor* actor;NxBodyDesc bodyDesc;
public:PhysXHammerObject(SceneNode* ogreNode, NxScene* physXScene){
this->ogreNode = ogreNode;headBoxDesc.dimensions.set(ogreNode->getScale().x * 0.25f,
ogreNode->getScale().y * 0.25 * 0.5f,ogreNode->getScale().z * 0.25 * 0.5f);
headBoxDesc.localPose.t.set(0,ogreNode->getScale().y * 0.865f,0);actorDesc.shapes.pushBack(&headBoxDesc);handleBoxDesc.dimensions.set(ogreNode->getScale().x * 0.5f * 0.1f,
ogreNode->getScale().y * 0.5f,ogreNode->getScale().z * 0.5f * 0.1f);
handleBoxDesc.localPose.t.set(0,ogreNode->getScale().y * 0.5,0);actorDesc.shapes.pushBack(&handleBoxDesc);actorDesc.body = &bodyDesc;actorDesc.density = 10;actorDesc.globalPose.t= NxVec3(ogreNode->getPosition().x,
ogreNode->getPosition().y,ogreNode->getPosition().z);
actor = physXScene->createActor(actorDesc);actor->raiseBodyFlag(NX_BF_KINEMATIC); //KINEMATIKUS ACTOR
}…
void update(){
Matrix4 transform;SceneNode* tempNode = ((SceneNode*) ogreNode->getChild(0));Vector3 pos = tempNode->_getDerivedPosition();Quaternion orient = tempNode->_getDerivedOrientation();actor->moveGlobalPosition(NxVec3(pos.x,pos.y,pos.z));actor-
>moveGlobalOrientation(NxQuat(NxVec3(orient.x,orient.y,orient.z),orient.w));}
};
class PhysicsHandler : public FrameListener{protected:
PhysXHammerObject* hammer;…
PhysicsHandler(){
…hammer = new PhysXHammerObject(hammerNode, mPhysicsScene);
}bool frameStarted(const FrameEvent& evt){
…hammer->update();
}
Próba
Önálló (otthoni) feladat
Kamera köré egy kinematikus Actor-t.Lehessen böködni a dobozokat.
class Explosive{public:
Explosive(SceneManager* sceneManager, NxScene* physXScene){static int id = 0;
float a = Math::RangeRandom(0, 360);float d = Math::RangeRandom(50, 120);float x = Math::Cos(a) * d;float z = Math::Sin(a) * d;
SceneNode* node = sceneManager->getRootSceneNode()->createChildSceneNode();Entity* entity = sceneManager->createEntity("explosive"+StringConverter::toString(id),"explosive.mesh");node->attachObject(entity);node->setScale(10,10,10);node->setPosition(x,0,z);
id++;}
};
void setupExplosives(){
for(int i = 0; i <8; i ++)new Explosive(sceneManager, physicsHandler-
>getScene());}
…
int _tmain(int argc, _TCHAR* argv[]){…
setupScene();setupListeners();setupExplosives();
…}
class PhysicsHandler : public FrameListener{…public:
NxScene* getScene(){
return mPhysicsScene;}
…
Próba
Explosive(SceneManager* sceneManager, NxScene* physXScene){…
node->setPosition(x,0,z);
NxActorDesc actorDesc;NxBoxShapeDesc boxDesc;boxDesc.dimensions.set(2.5,5,2.5);boxDesc.shapeFlags |= NX_TRIGGER_ENABLE;actorDesc.shapes.pushBack(&boxDesc);actorDesc.globalPose.t.set(x,5,z);NxActor* actor = physXScene->createActor(actorDesc);physXScene->setUserTriggerReport(this);
id++;}
Trigger reportclass Explosive{…
void onTrigger(NxShape& triggerShape, NxShape& otherShape, NxTriggerFlag status)
{float f = 300;otherShape.getActor().addForce(NxVec3(Math::RangeRandom(-f,
f),Math::RangeRandom(0, 5 * f),
Math::RangeRandom(-f, f)),NX_ACCELERATION);
}};
Próba
