void Awake()
{
if (sceneManagerExists)
{
Debug.Log("PhysX Scene Manager already exists");
Destroy(gameObject);
return;
}
IntPtr unalignedMem = Marshal.AllocHGlobal(scratchKilobytes * 1024 + 15);
scratchMem = new IntPtr(16 * ((unalignedMem.ToInt64() + 15) / 16));
sceneManagerExists = true;
GetComponent <PhysicsToggle>().Setup();
PhysXLib.SetupPhysX();
PhysXLib.RegisterCollisionCallback(AddCollision);
PhysXLib.RegisterTriggerCallback(AddTrigger);
DontDestroyOnLoad(gameObject);
SceneManager.sceneLoaded += OnSceneLoaded;
SceneManager.sceneUnloaded += OnSceneUnloaded;
PhysXSceneSimulator.AddScene(this);
}