// Very slow function that should be executed in a separated thread.
void loadTerrain()
{
Debug.Log("Start load terrain");
// here maybe you can load from file some data
// and operate with it ...
// For this example I introduce a sleep in order to
// made the function slow.
for (int i = 0; i < 10; i++)
{
Thread.Sleep(1000);
Debug.Log("load terrain :: loading ...");
}
Debug.Log("load terrain :: end load resources");
// now maybe you want to modify the current scene with the data
// you operated with before, but you can't execute Unity functions
// directly in a child thread. You can use the ThreadPoolExecutor.
threadPool.AddMainThreadAction(
() => { // this add an anonymous function to the threas pool
// for this example, this function adds a plane as a terrain
GameObject plane = GameObject.CreatePrimitive(PrimitiveType.Plane);
plane.transform.position = new Vector3(0, -0.6f, 0);
plane.transform.parent = gameObject.transform.parent;
}
);
}