PxRigidStatic* CPhysicManager::createStaticBox(const Vector3 &position, const Vector3 &dimensions, bool trigger,
int group, const IPhysic *component)
{
assert(m_scene);
PxVec3 p = Vector3ToPxVec3(position);
PxVec3 d = Vector3ToPxVec3(dimensions);
PxTransform pose(p);
PxBoxGeometry geom(d);
PxTransform localPose(PxVec3(0,dimensions.y,0));
PxRigidStatic *actor = PxCreateStatic(*m_physics,pose,geom,*m_defaultMaterial,localPose);
if(trigger) {
PxShape *shape;
actor->getShapes(&shape,1,0);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
actor->userData = (void*)component;
PxSetGroup(*actor,group);
setupFiltering(actor,FilterGroup::eSPACE_FILTER,FilterGroup::eSPACE_FILTER);
//m_scene->addActor(*actor);
return actor;
}
physx::PxRigidStatic* CPhysicManager::createStaticSphere(const Vector3 &position, const float &radius, bool trigger, int group, const Logic::Component::IPhysic *component)
{
assert(m_scene);
PxVec3 p = Vector3ToPxVec3(position);
PxTransform pose(p);
PxSphereGeometry geom(radius);
PxRigidStatic *actor = PxCreateStatic(*m_physics,pose,geom,*m_defaultMaterial);
if(trigger) {
PxShape *shape;
actor->getShapes(&shape,1,0);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
actor->userData = (void*)component;
PxSetGroup(*actor,group);
setupFiltering(actor,FilterGroup::eSPACE_FILTER,FilterGroup::eSPACE_FILTER);
//m_scene->addActor(*actor);
return actor;
}
void SampleParticles::createDrain()
{
float lakeHeight = 5.5f;
//Creates a drain plane for the particles. This is good practice to avoid unnecessary
//spreading of particles, which is bad for performance. The drain represents a lake in this case.
{
PxRigidStatic* actor = getPhysics().createRigidStatic(PxTransform(PxVec3(0.0f, lakeHeight - 1.0f, 0.0f), PxQuat(PxHalfPi, PxVec3(0,0,1))));
runtimeAssert(actor, "PxPhysics::createRigidStatic returned NULL\n");
PxShape* shape = actor->createShape(PxPlaneGeometry(), getDefaultMaterial());
runtimeAssert(shape, "PxRigidStatic::createShape returned NULL\n");
shape->setSimulationFilterData(collisionGroupDrain);
shape->setFlags(PxShapeFlag::ePARTICLE_DRAIN | PxShapeFlag::eSIMULATION_SHAPE);
getActiveScene().addActor(*actor);
mPhysicsActors.push_back(actor);
}
//Creates the surface of the lake (the particles actually just collide with the underlaying drain).
{
PxBoxGeometry bg;
bg.halfExtents = PxVec3(130.0f, lakeHeight + 1.0f, 130.0f);
PxRigidStatic* actor = getPhysics().createRigidStatic(PxTransform(PxVec3(0.0f, 0.0f, 0.0f), PxQuat::createIdentity()));
runtimeAssert(actor, "PxPhysics::createRigidStatic returned NULL\n");
PxShape* shape = actor->createShape(bg, getDefaultMaterial());
runtimeAssert(shape, "PxRigidStatic::createShape returned NULL\n");
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
getActiveScene().addActor(*actor);
mPhysicsActors.push_back(actor);
createRenderObjectsFromActor(actor, getMaterial(MATERIAL_LAKE));
}
}
void UDestructibleComponent::SetCollisionResponseForActor(const FCollisionResponse& ColResponse, PxRigidDynamic* Actor, int32 ChunkIdx)
{
// Get collision channel and response
PxFilterData PQueryFilterData, PSimFilterData;
uint8 MoveChannel = GetCollisionObjectType();
if(IsCollisionEnabled())
{
AActor* Owner = GetOwner();
CreateShapeFilterData(MoveChannel, (Owner ? Owner->GetUniqueID() : 0), ColResponse.GetResponseContainer(), 0, ChunkIdxToBoneIdx(ChunkIdx), PQueryFilterData, PSimFilterData, BodyInstance.bUseCCD, BodyInstance.bNotifyRigidBodyCollision, false);
PQueryFilterData.word3 |= EPDF_SimpleCollision | EPDF_ComplexCollision;
SCOPED_SCENE_WRITE_LOCK(Actor->getScene());
TArray<PxShape*> Shapes;
Shapes.AddUninitialized(Actor->getNbShapes());
int ShapeCount = Actor->getShapes(Shapes.GetTypedData(), Shapes.Num());
for (int32 i=0; i < ShapeCount; ++i)
{
PxShape* Shape = Shapes[i];
Shape->setQueryFilterData(PQueryFilterData);
Shape->setSimulationFilterData(PSimFilterData);
Shape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, true);
Shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
Shape->setFlag(PxShapeFlag::eVISUALIZATION, true);
}
}
}
void PhysicsEngine::createPizzaPickup(physx::PxVec3 location, physx::PxF32 radius)
{
PxBoxGeometry geometry(radius, radius, radius);
PxTransform transform(location, PxQuat::createIdentity());
PxMaterial* material = physics->createMaterial(0.5f, 0.5f, 0.5f);
PxRigidStatic* actor = PxCreateStatic(*physics, transform, geometry, *material);
PxShape* shape;
actor->getShapes(&shape, 1);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
shape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
scene->addActor(*actor);
}
PxRigidDynamic* SampleParticles::Raygun::createRayCapsule(bool enableCollision, PxFilterData filterData)
{
PxRigidDynamic* actor = mSample->getPhysics().createRigidDynamic(PxTransform::createIdentity());
mSample->runtimeAssert(actor, "PxPhysics::createRigidDynamic returned NULL\n");
PxShape* shape = actor->createShape(PxCapsuleGeometry(0.1f, 150.0f), mSample->getDefaultMaterial());
mSample->runtimeAssert(shape, "PxRigidDynamic::createShape returned NULL\n");
shape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, enableCollision);
shape->setSimulationFilterData(filterData);
actor->setRigidDynamicFlag(PxRigidDynamicFlag::eKINEMATIC, true);
actor->setMass(1.0f);
actor->setMassSpaceInertiaTensor(PxVec3(1.0f));
mSample->getActiveScene().addActor(*actor);
return actor;
}
// add some physics objects into the scene
void AddPhyObjects()
{
PxRigidStatic* groundPlane = PxCreatePlane(*gPhysics, PxPlane(0, 1, 0, 0), *gMaterial);
gScene->addActor(*groundPlane);
PxShape* shape = gPhysics->createShape(PxBoxGeometry(1.0f, 1.0f, 1.0f), *gMaterial);
PxTransform localTm(PxVec3(-3.0f, 5.0f, 0.f));
PxRigidDynamic* body = gPhysics->createRigidDynamic(localTm);
body->attachShape(*shape);
PxRigidBodyExt::updateMassAndInertia(*body, 10.0f);
gScene->addActor(*body);
shape->release();
shape = gPhysics->createShape(PxSphereGeometry(1.0f), *gMaterial);
PxTransform localTmS(PxVec3(3.0f, 5.0f, 0.f));
body = gPhysics->createRigidDynamic(localTmS);
body->attachShape(*shape);
PxRigidBodyExt::updateMassAndInertia(*body, 10.0f);
gScene->addActor(*body);
shape->release();
PxRigidDynamic* dynamic = PxCreateDynamic(*gPhysics, PxTransform(PxVec3(0, 20, 20)), PxSphereGeometry(1), *gMaterial, 10.0f);
dynamic->setAngularDamping(0.5f);
dynamic->setLinearVelocity(PxVec3(0, -5, -10));
gScene->addActor(*dynamic);
// add capsule into the scene
shape = gPhysics->createShape(PxCapsuleGeometry(1.0f, 3.0f), *gMaterial);
PxTransform localTmC(PxVec3(3.0f, 5.0f, -3.f));
body = gPhysics->createRigidDynamic(localTmC);
body->attachShape(*shape);
PxRigidBodyExt::updateMassAndInertia(*body, 10.0f);
gScene->addActor(*body);
// add a static box as the trigger
shape = gPhysics->createShape(PxBoxGeometry(1.0f, 1.0f, 1.0f), *gMaterial);
PxTransform localTmTrigger(PxVec3(0.0f, 1.0f, -10.f));
body = gPhysics->createRigidDynamic(localTmTrigger);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
body->attachShape(*shape);
body->setRigidBodyFlag(PxRigidBodyFlag::eKINEMATIC, true);
gScene->addActor(*body);
shape->release();
}
PxRigidDynamic* PxCreateKinematic(PxPhysics& sdk,
const PxTransform& transform,
const PxGeometry& geometry,
PxMaterial& material,
PxReal density,
const PxTransform& shapeOffset)
{
PX_CHECK_AND_RETURN_NULL(transform.isValid(), "PxCreateKinematic: transform is not valid.");
PX_CHECK_AND_RETURN_NULL(shapeOffset.isValid(), "PxCreateKinematic: shapeOffset is not valid.");
bool isDynGeom = isDynamicGeometry(geometry);
if(isDynGeom && density <= 0.0f)
return NULL;
PxShape* shape;
PxRigidDynamic* actor = setShape(sdk.createRigidDynamic(transform), geometry, material, shapeOffset, shape);
if(actor)
{
actor->setRigidDynamicFlag(PxRigidDynamicFlag::eKINEMATIC, true);
if(isDynGeom)
PxRigidBodyExt::updateMassAndInertia(*actor, density);
else
{
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
actor->setMass(1);
actor->setMassSpaceInertiaTensor(PxVec3(1,1,1));
}
}
return actor;
}
void UDestructibleComponent::SetCollisionResponseForActor(PxRigidDynamic* Actor, int32 ChunkIdx, const FCollisionResponseContainer* ResponseOverride /*= NULL*/)
{
#if WITH_APEX
if (ApexDestructibleActor == NULL)
{
return;
}
// Get collision channel and response
PxFilterData PQueryFilterData, PSimFilterData;
uint8 MoveChannel = GetCollisionObjectType();
if(IsCollisionEnabled())
{
UDestructibleMesh* TheDestructibleMesh = GetDestructibleMesh();
AActor* Owner = GetOwner();
bool bLargeChunk = IsChunkLarge(ChunkIdx);
const FCollisionResponseContainer& UseResponse = ResponseOverride == NULL ? (bLargeChunk ? LargeChunkCollisionResponse.GetResponseContainer() : SmallChunkCollisionResponse.GetResponseContainer()) : *ResponseOverride;
physx::PxU32 SupportDepth = TheDestructibleMesh->ApexDestructibleAsset->getChunkDepth(ChunkIdx);
const bool bEnableImpactDamage = IsImpactDamageEnabled(TheDestructibleMesh, SupportDepth);
CreateShapeFilterData(MoveChannel, GetUniqueID(), UseResponse, 0, ChunkIdxToBoneIdx(ChunkIdx), PQueryFilterData, PSimFilterData, BodyInstance.bUseCCD, bEnableImpactDamage, false);
PQueryFilterData.word3 |= EPDF_SimpleCollision | EPDF_ComplexCollision;
SCOPED_SCENE_WRITE_LOCK(Actor->getScene());
TArray<PxShape*> Shapes;
Shapes.AddUninitialized(Actor->getNbShapes());
int ShapeCount = Actor->getShapes(Shapes.GetData(), Shapes.Num());
for (int32 i=0; i < ShapeCount; ++i)
{
PxShape* Shape = Shapes[i];
Shape->setQueryFilterData(PQueryFilterData);
Shape->setSimulationFilterData(PSimFilterData);
Shape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, true);
Shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
Shape->setFlag(PxShapeFlag::eVISUALIZATION, true);
}
}
#endif
}
PxRigidDynamic* CServer::createDynamicBox(const Vector3 &position, const Vector3 &dimensions,
float mass, bool kinematic, bool trigger, int group,
const IPhysics *component)
{
assert(_scene);
// Nota: PhysX coloca el sistema de coordenadas local en el centro de la caja, mientras
// que la lógica asume que el origen del sistema de coordenadas está en el centro de la
// cara inferior. Para unificar necesitamos realizar una traslación en el eje Y.
// Afortunadamente, el descriptor que se usa para crear el actor permite definir esta
// transformación local, por lo que la conversión entre sistemas de coordenadas es transparente.
// Crear un cubo dinámico
PxTransform pose(Vector3ToPxVec3(position));
PxBoxGeometry geom(Vector3ToPxVec3(dimensions));
PxMaterial *material = _defaultMaterial;
float density = mass / (dimensions.x * dimensions.y * dimensions.z);
PxTransform localPose(PxVec3(0, dimensions.y, 0)); // Transformación de coordenadas lógicas a coodenadas de PhysX
// Crear cubo dinámico o cinemático
PxRigidDynamic *actor;
if (kinematic)
actor = PxCreateKinematic(*_physics, pose, geom, *material, density, localPose);
else
actor = PxCreateDynamic(*_physics, pose, geom, *material, density, localPose);
// Transformarlo en trigger si es necesario
if (trigger) {
PxShape *shape;
actor->getShapes(&shape, 1, 0);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
// Anotar el componente lógico asociado a la entidad física
actor->userData = (void *) component;
// Establecer el grupo de colisión
PxSetGroup(*actor, group);
// Añadir el actor a la escena
_scene->addActor(*actor);
return actor;
}
void SampleNorthPole::setCCDActive(PxShape& shape)
{
shape.setFlag(PxShapeFlag::eUSE_SWEPT_BOUNDS,true);
PxFilterData fd = shape.getSimulationFilterData();
fd.word3 |= CCD_FLAG;
shape.setSimulationFilterData(fd);
}
physx::PxRigidDynamic* CPhysicManager::createDynamicSphere(const Vector3 &position, const float &radius, float mass, bool kinematic, bool trigger, int group, const Logic::Component::IPhysic *component)
{
assert(m_scene);
PxTransform pose(Vector3ToPxVec3(position));
PxSphereGeometry geom(radius);
PxMaterial *material = m_defaultMaterial;
float density = mass / ((4/3) * Common::Util::Math::PI * radius * radius * radius);
PxRigidDynamic *actor = nullptr;
if(kinematic) {
actor = PxCreateKinematic(*m_physics,pose,geom,*material,density);
} else {
actor = PxCreateDynamic(*m_physics,pose,geom,*material,density);
}
if(trigger) {
PxShape *shape;
actor->getShapes(&shape,1,0);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
actor->userData = (void*)component;
PxSetGroup(*actor,group);
setupFiltering(actor,FilterGroup::eSPACE_FILTER,FilterGroup::eSPACE_FILTER);
PxD6Joint* joint = PxD6JointCreate(*m_physics, actor, PxTransform::createIdentity(), nullptr, actor->getGlobalPose());
joint->setMotion(PxD6Axis::eX,PxD6Motion::eFREE);
joint->setMotion(PxD6Axis::eY,PxD6Motion::eLOCKED);
joint->setMotion(PxD6Axis::eZ,PxD6Motion::eFREE);
joint->setMotion(PxD6Axis::eSWING1,PxD6Motion::eFREE);
joint->setMotion(PxD6Axis::eSWING2,PxD6Motion::eLOCKED);
joint->setMotion(PxD6Axis::eTWIST,PxD6Motion::eLOCKED);
//TODO release
//m_scene->addActor(*actor);
return actor;
}
void Apex::LoadTriangleMesh(int numVerts, PxVec3* verts, ObjectInfo info)
{
PxRigidStatic* meshActor = mPhysics->createRigidStatic(PxTransform::createIdentity());
PxShape* meshShape;
if(meshActor)
{
PxTriangleMeshDesc meshDesc;
meshDesc.points.count = numVerts;
meshDesc.points.stride = sizeof(PxVec3);
meshDesc.points.data = verts;
//meshDesc.triangles.count = numInds/3.;
//meshDesc.triangles.stride = 3*sizeof(int);
//meshDesc.triangles.data = inds;
PxToolkit::MemoryOutputStream writeBuffer;
bool status = mCooking->cookTriangleMesh(meshDesc, writeBuffer);
if(!status)
return;
PxToolkit::MemoryInputData readBuffer(writeBuffer.getData(), writeBuffer.getSize());
PxTriangleMeshGeometry triGeom;
triGeom.triangleMesh = mPhysics->createTriangleMesh(readBuffer);
triGeom.scale = PxMeshScale(PxVec3(info.sx,info.sy,info.sz),physx::PxQuat::createIdentity());
meshShape = meshActor->createShape(triGeom, *defaultMaterial);
meshShape->setLocalPose(PxTransform(PxVec3(info.x,info.y,info.z), PxQuat(info.ry, PxVec3(0.0f,1.0f,0.0f))));
meshShape->setFlag(PxShapeFlag::eUSE_SWEPT_BOUNDS, true);
meshShape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
mScene[mCurrentScene]->addActor(*meshActor);
}
}
PxRigidDynamic* CPhysicManager::createDynamicBox(const Vector3 &position, const Vector3 &dimensions,
float mass, bool kinematic, bool trigger, int group,
const IPhysic *component)
{
assert(m_scene);
PxTransform pose(Vector3ToPxVec3(position));
PxBoxGeometry geom(Vector3ToPxVec3(dimensions));
PxMaterial *material = m_defaultMaterial;
float density = mass / (dimensions.x * dimensions.y * dimensions.z);
PxTransform localPose(PxVec3(0, dimensions.y, 0));
PxRigidDynamic *actor = nullptr;
if(kinematic) {
actor = PxCreateKinematic(*m_physics,pose,geom,*material,density,localPose);
} else {
actor = PxCreateDynamic(*m_physics,pose,geom,*material,density,localPose);
}
if(trigger) {
PxShape *shape;
actor->getShapes(&shape,1,0);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
shape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
actor->userData = (void*)component;
PxSetGroup(*actor,group);
setupFiltering(actor,FilterGroup::eSPACE_FILTER,FilterGroup::eSPACE_FILTER);
//m_scene->addActor(*actor);
return actor;
}
PxActor* addSimpleObject( PxScene* scene,
PxPhysics* physics,
PxTransform* transform,
PxGeometry* geometry,
PxMaterial* material,
bool isStatic, bool isKinematic )
{
PxActor* actor;
if( isStatic )
actor = physics->createRigidStatic( *transform );
else
{
actor = physics->createRigidDynamic( *transform );
((PxRigidDynamic*)(actor))->setRigidDynamicFlag(PxRigidDynamicFlag::eKINEMATIC, isKinematic);
}
PxShape* shape = ((PxRigidBody*)(actor))->createShape( *geometry, *material );
if( isKinematic )
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
scene->addActor( *actor );
return actor;
}
PxRigidActor* SampleSubmarine::loadTerrain(const char* name, const PxReal heightScale, const PxReal rowScale, const PxReal columnScale)
{
PxRigidActor* heightFieldActor = NULL;
BmpLoader loader;
if(loader.loadBmp(getSampleMediaFilename(name)))
{
PxU16 nbColumns = PxU16(loader.mWidth), nbRows = PxU16(loader.mHeight);
PxHeightFieldDesc heightFieldDesc;
heightFieldDesc.nbColumns = nbColumns;
heightFieldDesc.nbRows = nbRows;
PxU32* samplesData = (PxU32*)SAMPLE_ALLOC(sizeof(PxU32)*nbColumns * nbRows);
heightFieldDesc.samples.data = samplesData;
heightFieldDesc.samples.stride = sizeof(PxU32);
PxU8* currentByte = (PxU8*)heightFieldDesc.samples.data;
PxU8* loader_ptr = loader.mRGB;
PxVec3Alloc* vertexesA = SAMPLE_NEW(PxVec3Alloc)[nbRows * nbColumns];
PxF32* uvs = (PxF32*)SAMPLE_ALLOC(sizeof(PxF32) * nbRows * nbColumns * 2);
PxVec3* vertexes = vertexesA;
for (PxU32 row = 0; row < nbRows; row++)
{
for (PxU32 column = 0; column < nbColumns; column++)
{
PxHeightFieldSample* currentSample = (PxHeightFieldSample*)currentByte;
currentSample->height = *loader_ptr;
vertexes[row * nbColumns + column] = PxVec3(PxReal(row)*rowScale,
PxReal(currentSample->height * heightScale),
PxReal(column)*columnScale);
uvs[(row * nbColumns + column)*2 + 0] = (float)column/7.0f;
uvs[(row * nbColumns + column)*2 + 1] = (float)row/7.0f;
currentSample->materialIndex0 = 0;
currentSample->materialIndex1 = 0;
currentSample->clearTessFlag();
currentByte += heightFieldDesc.samples.stride;
loader_ptr += 3 * sizeof(PxU8);
}
}
PxHeightField* heightField = getPhysics().createHeightField(heightFieldDesc);
if(!heightField) fatalError("createHeightField failed!");
// create shape for heightfield
PxTransform pose(PxVec3(-((PxReal)nbRows*rowScale) / 2.0f,
0.0f,
-((PxReal)nbColumns*columnScale) / 2.0f),
PxQuat::createIdentity());
heightFieldActor = getPhysics().createRigidStatic(pose);
if(!heightFieldActor) fatalError("createRigidStatic failed!");
PxShape* shape = heightFieldActor->createShape(PxHeightFieldGeometry(heightField, PxMeshGeometryFlags(), heightScale, rowScale, columnScale), getDefaultMaterial());
if(!shape) fatalError("createShape failed!");
// add actor to the scene
getActiveScene().addActor(*heightFieldActor);
// create indices
PxU32* indices = (PxU32*)SAMPLE_ALLOC(sizeof(PxU32)*((nbColumns - 1) * (nbRows - 1) * 3 * 2));
for(int i = 0; i < (nbColumns - 1); ++i)
{
for(int j = 0; j < (nbRows - 1); ++j)
{
// first triangle
indices[6 * (i * (nbRows - 1) + j) + 0] = (i + 1) * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 1] = i * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 2] = i * nbRows + j + 1;
// second triangle
indices[6 * (i * (nbRows - 1) + j) + 3] = (i + 1) * nbRows + j + 1;
indices[6 * (i * (nbRows - 1) + j) + 4] = (i + 1) * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 5] = i * nbRows + j + 1;
}
}
// add mesh to renderer
RAWMesh data;
data.mName = name;
data.mTransform = PxTransform::createIdentity();
data.mNbVerts = nbColumns * nbRows;
data.mVerts = vertexes;
data.mVertexNormals = NULL;
data.mUVs = uvs;
data.mMaterialID = MATERIAL_TERRAIN_MUD;
data.mNbFaces = (nbColumns - 1) * (nbRows - 1) * 2;
data.mIndices = indices;
RenderMeshActor* hf_mesh = createRenderMeshFromRawMesh(data);
if(!hf_mesh) fatalError("createRenderMeshFromRawMesh failed!");
hf_mesh->setPhysicsShape(shape);
shape->setFlag(PxShapeFlag::eVISUALIZATION, false);
SAMPLE_FREE(indices);
SAMPLE_FREE(uvs);
DELETEARRAY(vertexesA);
SAMPLE_FREE(samplesData);
}
return heightFieldActor;
}
void PhysX::CreateShapes(const PINT_OBJECT_CREATE& desc, PxRigidActor* actor)
{
ASSERT(actor);
ASSERT(mDefaultMaterial);
const PINT_SHAPE_CREATE* CurrentShape = desc.mShapes;
while(CurrentShape)
{
PxTransform LocalPose;
LocalPose.p = ToPxVec3(CurrentShape->mLocalPos);
LocalPose.q = ToPxQuat(CurrentShape->mLocalRot);
PxMaterial* ShapeMaterial = mDefaultMaterial;
if(CurrentShape->mMaterial)
{
ShapeMaterial = CreateMaterial(*CurrentShape->mMaterial);
ASSERT(ShapeMaterial);
}
PxShape* shape = null;
if(CurrentShape->mType==PINT_SHAPE_SPHERE)
{
const PINT_SPHERE_CREATE* SphereCreate = static_cast<const PINT_SPHERE_CREATE*>(CurrentShape);
shape = actor->createShape(PxSphereGeometry(SphereCreate->mRadius), *ShapeMaterial, LocalPose);
ASSERT(shape);
}
else if(CurrentShape->mType==PINT_SHAPE_BOX)
{
const PINT_BOX_CREATE* BoxCreate = static_cast<const PINT_BOX_CREATE*>(CurrentShape);
shape = actor->createShape(PxBoxGeometry(ToPxVec3(BoxCreate->mExtents)), *ShapeMaterial, LocalPose);
ASSERT(shape);
}
else if(CurrentShape->mType==PINT_SHAPE_CAPSULE)
{
const PINT_CAPSULE_CREATE* CapsuleCreate = static_cast<const PINT_CAPSULE_CREATE*>(CurrentShape);
/* // ### PhysX is weird with capsules
Matrix3x3 Rot;
Rot.RotY(HALFPI);
LocalPose.q *= ToPxQuat(Quat(Rot));
*/
const PxQuat q = PxShortestRotation(PxVec3(1.0f, 0.0f, 0.0f), PxVec3(0.0f, 1.0f, 0.0f));
LocalPose.q *= q;
shape = actor->createShape(PxCapsuleGeometry(CapsuleCreate->mRadius, CapsuleCreate->mHalfHeight), *ShapeMaterial, LocalPose);
ASSERT(shape);
}
else if(CurrentShape->mType==PINT_SHAPE_CONVEX)
{
const PINT_CONVEX_CREATE* ConvexCreate = static_cast<const PINT_CONVEX_CREATE*>(CurrentShape);
ASSERT(mCooking);
// PxConvexMesh* ConvexMesh = CreateConvexMesh(ConvexCreate->mVerts, ConvexCreate->mNbVerts, PxConvexFlag::eCOMPUTE_CONVEX|PxConvexFlag::eINFLATE_CONVEX, CurrentShape->mRenderer);
PxConvexMesh* ConvexMesh = CreateConvexMesh(ConvexCreate->mVerts, ConvexCreate->mNbVerts, PxConvexFlag::eCOMPUTE_CONVEX, CurrentShape->mRenderer);
ASSERT(ConvexMesh);
shape = actor->createShape(PxConvexMeshGeometry(ConvexMesh), *ShapeMaterial, LocalPose);
ASSERT(shape);
}
else if(CurrentShape->mType==PINT_SHAPE_MESH)
{
const PINT_MESH_CREATE* MeshCreate = static_cast<const PINT_MESH_CREATE*>(CurrentShape);
ASSERT(mCooking);
PxTriangleMesh* TriangleMesh = CreateTriangleMesh(MeshCreate->mSurface, CurrentShape->mRenderer);
ASSERT(TriangleMesh);
shape = actor->createShape(PxTriangleMeshGeometry(TriangleMesh), *ShapeMaterial, LocalPose);
ASSERT(shape);
}
else ASSERT(0);
if(shape)
{
SetupShape(mParams, CurrentShape, *shape, desc.mCollisionGroup, gDebugVizParams[0]);
shape->setFlag(PxShapeFlag::eUSE_SWEPT_BOUNDS, mParams.mUseCCD);
}
CurrentShape = CurrentShape->mNext;
}
}
PxController* ControlledActor::init(const ControlledActorDesc& desc, PxControllerManager* manager)
{
const float radius = desc.mRadius;
float height = desc.mHeight;
float crouchHeight = desc.mCrouchHeight;
PxControllerDesc* cDesc;
PxBoxControllerDesc boxDesc;
PxCapsuleControllerDesc capsuleDesc;
if(desc.mType==PxControllerShapeType::eBOX)
{
height *= 0.5f;
height += radius;
crouchHeight *= 0.5f;
crouchHeight += radius;
boxDesc.halfHeight = height;
boxDesc.halfSideExtent = radius;
boxDesc.halfForwardExtent = radius;
cDesc = &boxDesc;
}
else
{
PX_ASSERT(desc.mType==PxControllerShapeType::eCAPSULE);
capsuleDesc.height = height;
capsuleDesc.radius = radius;
capsuleDesc.climbingMode = PxCapsuleClimbingMode::eCONSTRAINED;
cDesc = &capsuleDesc;
}
cDesc->density = desc.mProxyDensity;
cDesc->scaleCoeff = desc.mProxyScale;
cDesc->material = &mOwner.getDefaultMaterial();
cDesc->position = desc.mPosition;
cDesc->slopeLimit = desc.mSlopeLimit;
cDesc->contactOffset = desc.mContactOffset;
cDesc->stepOffset = desc.mStepOffset;
cDesc->invisibleWallHeight = desc.mInvisibleWallHeight;
cDesc->maxJumpHeight = desc.mMaxJumpHeight;
// cDesc->nonWalkableMode = PxControllerNonWalkableMode::ePREVENT_CLIMBING_AND_FORCE_SLIDING;
cDesc->reportCallback = desc.mReportCallback;
cDesc->behaviorCallback = desc.mBehaviorCallback;
cDesc->volumeGrowth = desc.mVolumeGrowth;
mType = desc.mType;
mInitialPosition = desc.mPosition;
mStandingSize = height;
mCrouchingSize = crouchHeight;
mControllerRadius = radius;
PxController* ctrl = static_cast<PxBoxController*>(manager->createController(*cDesc));
PX_ASSERT(ctrl);
// remove controller shape from scene query for standup overlap test
PxRigidDynamic* actor = ctrl->getActor();
if(actor)
{
if(actor->getNbShapes())
{
PxShape* ctrlShape;
actor->getShapes(&ctrlShape,1);
ctrlShape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
Renderer* renderer = mOwner.getRenderer();
if(desc.mType==PxControllerShapeType::eBOX)
{
const PxVec3 standingExtents(radius, height, radius);
const PxVec3 crouchingExtents(radius, crouchHeight, radius);
mRenderActorStanding = SAMPLE_NEW(RenderBoxActor)(*renderer, standingExtents);
mRenderActorCrouching = SAMPLE_NEW(RenderBoxActor)(*renderer, crouchingExtents);
}
else if(desc.mType==PxControllerShapeType::eCAPSULE)
{
mRenderActorStanding = SAMPLE_NEW(RenderCapsuleActor)(*renderer, radius, height*0.5f);
mRenderActorCrouching = SAMPLE_NEW(RenderCapsuleActor)(*renderer, radius, crouchHeight*0.5f);
}
}
}
mController = ctrl;
return ctrl;
}
void SampleParticles::loadTerrain(const char* path, PxReal xScale, PxReal yScale, PxReal zScale)
{
SampleFramework::SampleAsset* asset = getAsset(terrain_hf, SampleFramework::SampleAsset::ASSET_TEXTURE);
mManagedAssets.push_back(asset);
PX_ASSERT(asset->getType() == SampleFramework::SampleAsset::ASSET_TEXTURE);
SampleFramework::SampleTextureAsset* texAsset = static_cast<SampleFramework::SampleTextureAsset*>(asset);
SampleRenderer::RendererTexture2D* heightfieldTexture = texAsset->getTexture();
// NOTE: Assuming that heightfield texture has B8G8R8A8 format.
if(heightfieldTexture)
{
PxU16 nbColumns = PxU16(heightfieldTexture->getWidth());
PxU16 nbRows = PxU16(heightfieldTexture->getHeight());
PxHeightFieldDesc heightFieldDesc;
heightFieldDesc.nbColumns = nbColumns;
heightFieldDesc.nbRows = nbRows;
PxU32* samplesData = (PxU32*)SAMPLE_ALLOC(sizeof(PxU32) * nbColumns * nbRows);
heightFieldDesc.samples.data = samplesData;
heightFieldDesc.samples.stride = sizeof(PxU32);
heightFieldDesc.convexEdgeThreshold = 0;
PxU8* currentByte = (PxU8*)heightFieldDesc.samples.data;
PxU32 texturePitch = 0;
PxU8* loaderPtr = static_cast<PxU8*>(heightfieldTexture->lockLevel(0, texturePitch));
PxVec3Alloc* verticesA = SAMPLE_NEW(PxVec3Alloc)[nbRows * nbColumns];
PxVec3* vertices = verticesA;
PxReal* UVs = (PxReal*)SAMPLE_ALLOC(sizeof(PxReal) * nbRows * nbColumns * 2);
for (PxU32 row = 0; row < nbRows; row++)
{
for (PxU32 column = 0; column < nbColumns; column++)
{
PxHeightFieldSample* currentSample = (PxHeightFieldSample*)currentByte;
currentSample->height = *loaderPtr;
vertices[row * nbColumns + column] =
PxVec3(PxReal(row) * xScale,
PxReal(currentSample->height * zScale),
PxReal(column) * yScale);
UVs[2 * (row * nbColumns + column)] = (PxReal(row) / PxReal(nbRows)) * 7.0f;
UVs[2 * (row * nbColumns + column) + 1] = (PxReal(column) / PxReal(nbColumns)) * 7.0f;
currentSample->materialIndex0 = 0;
currentSample->materialIndex1 = 0;
currentSample->clearTessFlag();
currentByte += heightFieldDesc.samples.stride;
loaderPtr += 4 * sizeof(PxU8);
}
}
PxHeightField* heightField = getPhysics().createHeightField(heightFieldDesc);
// free allocated memory for heightfield samples description
SAMPLE_FREE(samplesData);
// create shape for heightfield
PxTransform pose(PxVec3(-((PxReal)nbRows*yScale) / 2.0f,
0.0f,
-((PxReal)nbColumns*xScale) / 2.0f),
PxQuat::createIdentity());
PxRigidActor* hf = getPhysics().createRigidStatic(pose);
runtimeAssert(hf, "PxPhysics::createRigidStatic returned NULL\n");
PxShape* shape = hf->createShape(PxHeightFieldGeometry(heightField, PxMeshGeometryFlags(), zScale, xScale, yScale), getDefaultMaterial());
runtimeAssert(shape, "PxRigidActor::createShape returned NULL\n");
shape->setFlag(PxShapeFlag::ePARTICLE_DRAIN, false);
shape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
// add actor to the scene
getActiveScene().addActor(*hf);
mPhysicsActors.push_back(hf);
// create indices and UVs
PxU32* indices = (PxU32*)SAMPLE_ALLOC(sizeof(PxU32) * (nbColumns - 1) * (nbRows - 1) * 3 * 2);
for(int i = 0; i < (nbColumns - 1); ++i)
{
for(int j = 0; j < (nbRows - 1); ++j)
{
// first triangle
indices[6 * (i * (nbRows - 1) + j) + 0] = (i + 1) * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 1] = i * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 2] = i * nbRows + j + 1;
// second triangle
indices[6 * (i * (nbRows - 1) + j) + 3] = (i + 1) * nbRows + j + 1;
indices[6 * (i * (nbRows - 1) + j) + 4] = (i + 1) * nbRows + j;
indices[6 * (i * (nbRows - 1) + j) + 5] = i * nbRows + j + 1;
}
}
// add mesh to renderer
RAWMesh data;
data.mName = "terrain";
data.mTransform = PxTransform::createIdentity();
data.mNbVerts = nbColumns * nbRows;
data.mVerts = (PxVec3*)vertices;
data.mVertexNormals = NULL;
data.mUVs = UVs;
data.mMaterialID = MATERIAL_HEIGHTFIELD;
data.mNbFaces = (nbColumns - 1) * (nbRows - 1) * 2;
data.mIndices = indices;
RenderMeshActor* hf_mesh = createRenderMeshFromRawMesh(data);
hf_mesh->setPhysicsShape(shape);
SAMPLE_FREE(indices);
SAMPLE_FREE(UVs);
DELETEARRAY(verticesA);
}
else
{
char errMsg[256];
physx::string::sprintf_s(errMsg, 256, "Couldn't load %s\n", path);
fatalError(errMsg);
}
}
void SampleParticles::Raygun::update(float dtime)
{
if(!isEnabled())
return;
PX_ASSERT(mSample && mForceSmokeCapsule && mForceWaterCapsule && mRenderActor);
// access properties from sample
PxScene& scene = mSample->getActiveScene();
PxVec3 position = mSample->getCamera().getPos();
PxTransform cameraPose = mSample->getCamera().getViewMatrix();
PxMat33 cameraBase(cameraPose.q);
PxVec3 cameraForward = -cameraBase[2];
PxVec3 cameraUp = -cameraBase[1];
// perform raycast here and update impact point
PxRaycastHit hit;
mIsImpacting = scene.raycastSingle(cameraPose.p, cameraForward, 500.0f, PxSceneQueryFlags(0xffffffff), hit);
float impactParam = mIsImpacting ? (hit.impact - position).magnitude() : FLT_MAX;
PxTransform rayPose(position + cameraUp * 0.5f, cameraPose.q*PxQuat(PxHalfPi, PxVec3(0,1,0)));
updateRayCapsule(mForceSmokeCapsule, rayPose, 1.0f);
updateRayCapsule(mForceWaterCapsule, rayPose, 0.3f);
mRenderActor->setTransform(rayPose);
// if we had an impact
if (impactParam < FLT_MAX)
{
PxVec3 impactPos = position + cameraForward*impactParam;
// update emitter with new impact point and direction
if(mSmokeEmitter.emitter)
mSmokeEmitter.emitter->setLocalPose(PxTransform(impactPos, directionToQuaternion(-cameraForward)));
if(mDebrisEmitter.emitter)
mDebrisEmitter.emitter->setLocalPose(PxTransform(impactPos, directionToQuaternion(-cameraForward)));
// spawn new RB debris
if(mRbDebrisTimer < 0.0f && impactParam < FLT_MAX)
{
mRbDebrisTimer = RAYGUN_RB_DEBRIS_RATE;
PxVec3 randDir(getSampleRandom().rand(-1.0f, 1.0f),
getSampleRandom().rand(-1.0f, 1.0f),
getSampleRandom().rand(-1.0f, 1.0f));
PxVec3 vel = -7.0f * (cameraForward + RAYGUN_RB_DEBRIS_ANGLE_RANDOMNESS * randDir.getNormalized());
PxVec3 dim(getSampleRandom().rand(0.0f, RAYGUN_RB_DEBRIS_SCALE),
getSampleRandom().rand(0.0f, RAYGUN_RB_DEBRIS_SCALE),
getSampleRandom().rand(0.0f, RAYGUN_RB_DEBRIS_SCALE));
// give spawn position, initial velocity and dimensions, spawn convex
// which will not act in scene queries
PxConvexMesh* convexMesh = generateConvex(mSample->getPhysics(), mSample->getCooking(), RAYGUN_RB_DEBRIS_SCALE);
mSample->runtimeAssert(convexMesh, "Error generating convex for debris.\n");
PxRigidDynamic* debrisActor = PxCreateDynamic(
mSample->getPhysics(),
PxTransform(impactPos - cameraForward * 0.5f),
PxConvexMeshGeometry(convexMesh),
mSample->getDefaultMaterial(), 1.f);
mSample->getActiveScene().addActor(*debrisActor);
PX_ASSERT(debrisActor->getNbShapes() == 1);
PxShape* debrisShape;
debrisActor->getShapes(&debrisShape, 1);
debrisShape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
debrisActor->setLinearVelocity(vel);
debrisActor->setActorFlag(PxActorFlag::eVISUALIZATION, true);
debrisActor->setAngularDamping(0.5f);
// default material is green for debris
RenderMaterial* debriMaterial = mSample->getMaterial(MATERIAL_HEIGHTFIELD);
if(!debriMaterial)
{
debriMaterial = mSample->mRenderMaterials[MATERIAL_GREEN];
}
mSample->createRenderObjectsFromActor(debrisActor, debriMaterial);
mDebrisLifetime[debrisShape] = RAYGUN_RB_DEBRIS_LIFETIME;
}
}
// update debris lifetime, remove if life ends
DebrisLifetimeMap::iterator it = mDebrisLifetime.begin();
while(it != mDebrisLifetime.end())
{
(*it).second -= dtime;
if((*it).second < 0.0f)
{
PxShape* debrisShape = (*it).first;
PX_ASSERT(debrisShape);
// remove convex mesh
PxConvexMeshGeometry geometry;
bool isConvex = debrisShape->getConvexMeshGeometry(geometry);
PX_ASSERT(isConvex);
PX_UNUSED(isConvex);
geometry.convexMesh->release();
// remove render and physics actor
PxRigidActor& actorToRemove = debrisShape->getActor();
mSample->removeActor(&actorToRemove);
actorToRemove.release();
// remove actor from lifetime map
mDebrisLifetime.erase(it);
it = mDebrisLifetime.begin();
continue;
}
++it;
}
}
void SampleSubmarine::createDynamicActors()
{
// create mines
static const PxU32 numMines = 20;
static const PxVec3 mineFieldCenter = PxVec3(0, 64, 0);
static const PxReal minMineDistance = 3.0f;
static const PxI32 mineFieldRadius = 30;
for(PxU32 i = 0; i < numMines; i++)
{
// raycast against floor (height field) to find the height to attach the mine
PxRaycastHit rayHit;
bool hit = false;
do
{
PxVec3 offset = PxVec3(PxReal(getSampleRandom().rand(-mineFieldRadius, mineFieldRadius)), 0, PxReal(getSampleRandom().rand(-mineFieldRadius, mineFieldRadius)));
PxVec3 raycastStart = mineFieldCenter + offset*minMineDistance;
hit = getActiveScene().raycastSingle(raycastStart, PxVec3(0,-1,0), 100.0f, PxSceneQueryFlag::eIMPACT, rayHit);
}
while(!hit || (rayHit.impact.y > 25.0f) || rayHit.shape->getActor().is<PxRigidDynamic>());
createSeamine(rayHit.impact, getSampleRandom().rand(10.0f, 25.0f));
}
// create treasure
{
static const PxVec3 treasureDim = PxVec3(5, 3, 4)*0.5f;
PxRaycastHit rayHit;
PxVec3 raycastStart = PxVec3(-19, 64, -24);
getActiveScene().raycastSingle(raycastStart, PxVec3(0,-1,0), 100.0f, PxSceneQueryFlag::eIMPACT, rayHit);
#ifdef RENDERER_PSP2
gTreasureActor = createBox(rayHit.impact+treasureDim, treasureDim, NULL, mTreasureMaterial, 1)->is<PxRigidDynamic>();
#else
gTreasureActor = createBox(rayHit.impact+treasureDim, treasureDim, NULL, mManagedMaterials[MATERIAL_BLUE], 1)->is<PxRigidDynamic>();
#endif
if(!gTreasureActor) fatalError("createBox failed!");
gTreasureActor->setActorFlag(PxActorFlag::eDISABLE_GRAVITY, true);
PxShape* treasureShape;
gTreasureActor->getShapes(&treasureShape, 1);
treasureShape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
treasureShape->setFlag(PxShapeFlag::eTRIGGER_SHAPE, true);
}
// create submarine
createSubmarine(PxVec3(-110, 50, 110), 2.1f);
char theCrabName[256];
sprintf(theCrabName, "crab_%s.bin", getPlatformName());
// If we have already had crab copy, just load it, or will create crab and export it
char thePathBuffer[1024];
const char* theCrabPath = getSampleOutputDirManager().getFilePath( theCrabName, thePathBuffer, false );
FILE *fp = fopen( theCrabPath, "r" );
if( fp )
{
printf("loading the crab from file status: ");
gCrab = SAMPLE_NEW(Crab)(*this, theCrabPath, mManagedMaterials[MATERIAL_RED]);
if (gCrab && !gCrab->getCrabBody())
{
delete gCrab;
gCrab = NULL;
}
printf(gCrab ? "successful\n":"failed\n");
fclose (fp);
}
if( !gCrab )
{
gCrab = SAMPLE_NEW(Crab)(*this, PxVec3(0, 50, 0), mManagedMaterials[MATERIAL_RED]);
printf("crab file not found ... exporting crab file\n");
gCrab->save(theCrabPath);
}
PX_ASSERT( gCrab );
mCrabs.push_back(gCrab);
static const PxU32 numCrabs = 3;
for(PxU32 i = 0; i < numCrabs; i++)
{
Crab* crab = SAMPLE_NEW(Crab)(*this, PxVec3(getSampleRandom().rand(-20.0f,20.0f), 50, getSampleRandom().rand(-20.0f,20.0f)), mManagedMaterials[MATERIAL_RED]);
mCrabs.push_back(crab);
}
}
PxCapsuleController* SampleCustomGravity::createCharacter(const PxExtendedVec3& position)
#endif
{
const float height = 2.0f;
// const float height = 1e-6f; // PT: TODO: make it work with 0?
#ifdef USE_BOX_CONTROLLER
PxBoxControllerDesc cDesc;
cDesc.halfHeight = height;
cDesc.halfSideExtent = mControllerRadius;
cDesc.halfForwardExtent = mControllerRadius;
#else
PxCapsuleControllerDesc cDesc;
cDesc.height = height;
cDesc.radius = mControllerRadius;
#endif
cDesc.material = &getDefaultMaterial();
cDesc.position = position;
cDesc.slopeLimit = SLOPE_LIMIT;
cDesc.contactOffset = CONTACT_OFFSET;
cDesc.stepOffset = STEP_OFFSET;
cDesc.invisibleWallHeight = INVISIBLE_WALLS_HEIGHT;
cDesc.maxJumpHeight = MAX_JUMP_HEIGHT;
cDesc.callback = this;
mControllerInitialPosition = cDesc.position;
#ifdef USE_BOX_CONTROLLER
PxBoxController* ctrl = static_cast<PxBoxController*>(mControllerManager->createController(getPhysics(), &getActiveScene(), cDesc));
#else
PxCapsuleController* ctrl = static_cast<PxCapsuleController*>(mControllerManager->createController(getPhysics(), &getActiveScene(), cDesc));
#endif
// remove controller shape from scene query for standup overlap test
PxRigidDynamic* actor = ctrl->getActor();
if(actor)
{
if(actor->getNbShapes())
{
PxShape* ctrlShape;
actor->getShapes(&ctrlShape,1);
ctrlShape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE, false);
#ifdef USE_BOX_CONTROLLER
const PxVec3 standingExtents(mControllerRadius, height, mControllerRadius);
mRenderActor = SAMPLE_NEW(RenderBoxActor)(*getRenderer(), standingExtents);
#else
mRenderActor = SAMPLE_NEW(RenderCapsuleActor)(*getRenderer(), mControllerRadius, height*0.5f);
#endif
if(mRenderActor)
mRenderActors.push_back(mRenderActor);
}
else
fatalError("character actor has no shape");
}
else
fatalError("character could not create actor");
// uncomment the next line to render the character
//createRenderObjectsFromActor(ctrl->getActor());
return ctrl;
}