Describes a contact point where the collision occurs.
Contact points are stored in Collision structure.
See Also: Collision, Collider.OnCollisionEnter, Collider.OnCollisionStay, Collider.OnCollisionExit.
| normal | Normal of the contact point. |
| otherCollider | The other collider in contact at the point. |
| point | The point of contact. |
| thisCollider | The first collider in contact at the point. |