static void CreatePhysicsTerrain()
{
if(gTerrainData!=NULL)
{
delete gTerrainData;
gTerrainData=NULL;
}
gTerrainData = new TerrainData;
gTerrainData->init(TERRAIN_SIZE, TERRAIN_OFFSET, TERRAIN_WIDTH, TERRAIN_CHAOS);
// Build physical model
NxTriangleMeshDesc terrainDesc;
terrainDesc.numVertices = gTerrainData->nbVerts;
terrainDesc.numTriangles = gTerrainData->nbFaces;
terrainDesc.pointStrideBytes = sizeof(NxVec3);
terrainDesc.triangleStrideBytes = 3*sizeof(NxU32);
terrainDesc.points = gTerrainData->verts;
terrainDesc.triangles = gTerrainData->faces;
terrainDesc.flags = 0;
terrainDesc.heightFieldVerticalAxis = NX_Y;
terrainDesc.heightFieldVerticalExtent = -1000.0f;
bool status = InitCooking();
if (!status) {
printf("Unable to initialize the cooking library. Please make sure that you have correctly installed the latest version of the NVIDIA PhysX SDK.");
exit(1);
}
MemoryWriteBuffer buf;
status = CookTriangleMesh(terrainDesc, buf);
if (!status) {
printf("Unable to cook a triangle mesh.");
exit(1);
}
MemoryReadBuffer readBuffer(buf.data);
terrainMesh = gPhysicsSDK->createTriangleMesh(readBuffer);
//
// Please note about the created Triangle Mesh, user needs to release it when no one uses it to save memory. It can be detected
// by API "meshData->getReferenceCount() == 0". And, the release API is "gPhysicsSDK->releaseTriangleMesh(*meshData);"
//
NxTriangleMeshShapeDesc terrainShapeDesc;
terrainShapeDesc.meshData = terrainMesh;
terrainShapeDesc.shapeFlags = NX_SF_FEATURE_INDICES;
NxActorDesc ActorDesc;
ActorDesc.shapes.pushBack(&terrainShapeDesc);
gTerrain = gScene->createActor(ActorDesc);
gTerrain->userData = (void*)0;
CloseCooking();
}
//------------------------------------------------------------------------------------
// Constructor
//------------------------------------------------------------------------------------
TileTerrainShapeX::TileTerrainShapeX( PhysXManager *pMan , sn::TileTerrain* terrain )
{
gPhAllocator = new UserAllocator();
NxU32* ii = terrain->GetIndices();
NxTriangleMeshDesc terrainDesc;
terrainDesc.numVertices = terrain->GetVertexCount();
terrainDesc.numTriangles = terrain->GetIndexesCount() / 3;
terrainDesc.pointStrideBytes = sizeof(gfx::Vertex3);
terrainDesc.triangleStrideBytes = 3*sizeof(NxU32);
terrainDesc.points = terrain->GetPositions();
terrainDesc.triangles = ii;
terrainDesc.flags = 0;
terrainDesc.heightFieldVerticalAxis = NX_Y;
terrainDesc.heightFieldVerticalExtent = -1000.0f;
bool status = InitCooking(/*gPhAllocator, &gPhErrorStream*/);
if (!status)
kge::io::Logger::Log("Unable to initialize the cooking library. Please make sure that you have correctly installed the latest version of the AGEIA PhysX SDK.");
MemoryWriteBuffer buf;
status = CookTriangleMesh(terrainDesc, buf);
if (!status)
printf("Unable to cook a triangle mesh.");
MemoryReadBuffer readBuffer(buf.data);
terrainMesh = pMan->getPhysxSDK()->createTriangleMesh(readBuffer);
NxTriangleMeshShapeDesc terrainShapeDesc;
terrainShapeDesc.meshData = terrainMesh;
terrainShapeDesc.shapeFlags = NX_SF_FEATURE_INDICES;
NxActorDesc ActorDesc;
ActorDesc.shapes.pushBack(&terrainShapeDesc);
gLocalActor = pMan->getPhysxScene()->createActor(ActorDesc);
gLocalActor->userData = (void*)0;
CloseCooking();
} // Constructor
