Adding friction to collisions and resting state might be feasible:
During collision between a line L and a point P, the relative velocity after collision parallel to the line L can be multiplied by a constant F, the friction constant (possibly determined using some equation combining a friction constant for objects owning L and P).
During resting between a line L and a point P, use acceleration opposite the direction of the relative velocity parallel to L, until relative velocity parallel to L is zero. The magnitude of this friction would be some friction constant F (also possibly determined using some equation combining friction constants for objects owning L and P) times the magnitude of acceleration in the direction normal to L (excluding the normal acceleration for the line).
This friction during resting states would indicate a requirement to always know the actual acceleration of an object.
Adding friction to collisions and resting state might be feasible:
During collision between a line L and a point P, the relative velocity after collision parallel to the line L can be multiplied by a constant F, the friction constant (possibly determined using some equation combining a friction constant for objects owning L and P).
During resting between a line L and a point P, use acceleration opposite the direction of the relative velocity parallel to L, until relative velocity parallel to L is zero. The magnitude of this friction would be some friction constant F (also possibly determined using some equation combining friction constants for objects owning L and P) times the magnitude of acceleration in the direction normal to L (excluding the normal acceleration for the line).
This friction during resting states would indicate a requirement to always know the actual acceleration of an object.