private void DestroyDistantChunks(Int3 center)
{
for (int i = chunks.Count - 1; i >= 0; i--) // loop backwards to avoid skip-update glitch
{
Int3 dis = Int3.Dis(chunks[i].gridPos, center);
bool thisChunkIsTooFar = (dis.x > renderDistance) || (dis.z > renderDistance) || (dis.y > renderDistanceVertical);
if (thisChunkIsTooFar)
{
Destroy(chunks[i].gameObject);
chunks.RemoveAt(i);
}
}
}