Godot Body2D node
In real life, we walk around. We bump into each other, we bump into footballs and we bump into light posts then fall and bump into the ground under the force of gravity. Typical human experience. We like to relive this experience in video games.
The physics of these situations are then described by two things:
- Physical contact (collisions),
- Action at a distance (forces, spooky or otherwise).
Collisions happen when objects come into contact. Forces act on objects depending on their position, regardless of proximity. We also encounter ghosts, these are objects that we cannot collide with, we usually pass through great-grand-auntie with no detectable effect, and they do not obey the force laws of the world.
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