bool GameObject::CreateTriangleMesh( CPhysX const * pPhysX )
{
bool bResult = false;
if( pPhysX && pPhysX->GetPhysics() && !m_BufVertices.empty() && !m_BufIndices.empty() )
{
uint NumVerticies = m_BufVertices.size() / 3;
uint NumTriangles = m_BufIndices.size() / 3;
//Create pointer for vertices
physx::PxVec3* verts = new physx::PxVec3[ NumVerticies ];
int ii = -1;
for( uint i = 0; i < NumVerticies; ++i )
{
++ii;
verts[ i ].x = m_BufVertices[ ii ];
verts[ i ].y = m_BufVertices[ ++ii ];
verts[ i ].z = m_BufVertices[ ++ii ];
}
//Create pointer for indices
physx::PxU16 *tris = new physx::PxU16[ m_BufIndices.size() ];
for( uint i = 0; i < m_BufIndices.size(); ++i )
tris[ i ] = m_BufIndices[ i ];
// Build physical model
physx::PxTriangleMeshDesc TriMeshDesc;
TriMeshDesc.points.count = NumVerticies;
TriMeshDesc.points.stride = sizeof(physx::PxVec3);
TriMeshDesc.points.data = verts;
TriMeshDesc.triangles.count = NumTriangles;
TriMeshDesc.triangles.stride = 3 * sizeof(physx::PxU16);
TriMeshDesc.triangles.data = tris;
TriMeshDesc.flags = physx::PxMeshFlag::e16_BIT_INDICES;// | physx::PxMeshFlag::eFLIPNORMALS;
PxToolkit::MemoryOutputStream writeBuffer;
PxCooking* pCooking = pPhysX->GetCooking();
if( pCooking && TriMeshDesc.isValid() )
if( pCooking->cookTriangleMesh( TriMeshDesc, writeBuffer ) )
{
PxToolkit::MemoryInputData readBuffer( writeBuffer.getData(), writeBuffer.getSize() );
m_pTriangleMesh = pPhysX->GetPhysics()->createTriangleMesh( readBuffer );
bResult = true;
}
delete[] verts;
delete[] tris;
}
return bResult;
}
PxTriangleMesh* PxToolkit::createTriangleMesh32(PxPhysics& physics, PxCooking& cooking, PxTriangleMeshDesc* meshDesc)
{
PxToolkit::MemoryOutputStream writeBuffer;
bool status = cooking.cookTriangleMesh(*meshDesc, writeBuffer);
if(!status)
return NULL;
PxToolkit::MemoryInputData readBuffer(writeBuffer.getData(), writeBuffer.getSize());
return physics.createTriangleMesh(readBuffer);
}
PxTriangleMesh* PxToolkit::createTriangleMesh32(PxPhysics& physics, PxCooking& cooking, const PxVec3* verts, PxU32 vertCount, const PxU32* indices32, PxU32 triCount)
{
PxTriangleMeshDesc meshDesc;
meshDesc.points.count = vertCount;
meshDesc.points.stride = sizeof(PxVec3);
meshDesc.points.data = verts;
meshDesc.triangles.count = triCount;
meshDesc.triangles.stride = 3*sizeof(PxU32);
meshDesc.triangles.data = indices32;
PxToolkit::MemoryOutputStream writeBuffer;
bool status = cooking.cookTriangleMesh(meshDesc, writeBuffer);
if(!status)
return NULL;
PxToolkit::MemoryInputData readBuffer(writeBuffer.getData(), writeBuffer.getSize());
return physics.createTriangleMesh(readBuffer);
}
void Apex::LoadDynamicTriangleMesh(int numVerts, PxVec3* verts, ObjectInfo info)
{
PxRigidDynamic* meshActor = mPhysics->createRigidDynamic(PxTransform::createIdentity());
PxShape* meshShape, *convexShape;
if(meshActor)
{
//meshActor->setRigidDynamicFlag(PxRigidDynamicFlag::eKINEMATIC, true);
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)));
meshShape->setFlag(PxShapeFlag::eUSE_SWEPT_BOUNDS, true);
PxConvexMeshDesc convexDesc;
convexDesc.points.count = numVerts;
convexDesc.points.stride = sizeof(PxVec3);
convexDesc.points.data = verts;
convexDesc.flags = PxConvexFlag::eCOMPUTE_CONVEX;
if(!convexDesc.isValid())
return;
PxToolkit::MemoryOutputStream buf;
if(!mCooking->cookConvexMesh(convexDesc, buf))
return;
PxToolkit::MemoryInputData input(buf.getData(), buf.getSize());
PxConvexMesh* convexMesh = mPhysics->createConvexMesh(input);
PxConvexMeshGeometry convexGeom = PxConvexMeshGeometry(convexMesh);
convexShape = meshActor->createShape(convexGeom, *defaultMaterial);
//convexShape->setLocalPose(PxTransform(PxVec3(info.x,info.y,info.z)));
//convexShape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
convexShape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, true);
meshShape->setFlag(PxShapeFlag::eSIMULATION_SHAPE, false);
meshActor->setRigidDynamicFlag(PxRigidDynamicFlag::eKINEMATIC, false);
meshActor->setGlobalPose(PxTransform(PxVec3(info.x,info.y,info.z), PxQuat(info.ry, PxVec3(0.0f,1.0f,0.0f))));
mScene[mCurrentScene]->addActor(*meshActor);
dynamicActors.push_back(meshActor);
}
}
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);
}
}
