CollisionContact2D()
      Object that contains information about a collision
Attributes:
      position [value: Vector2 TODO: implement filling this out upon collision of polygons, not easy..., type: Vector2]
      normal [value: Vector2, type: Vector2]
      penetration [value: any, type: float]
      node [value: object (the other node in the collision), type: object]

file: src/physics/collision_contact_2d.c

landing