There is a phenomenon that can happen in computer games called “clipping”. It’s when one object seems to project right through another instead of being stopped. Here is a case where the  grass under my planetary base is clipping right through the floor.

Since the little guy in the corner is my agricultural team leader, it seems extra appropriate. Maybe he likes having grass growing in his laboratory.

Here is a case of clipping that adds a certain thrill to the game. I’m running away from a dangerous animal, jumped into my ship, and before I could blast off, THIS happened