Describes the possible cases of the closest parameters between finite 2D lines.

Describes the possible cases of the closest points between finite 2D lines.

Describes the possible cases of two finite 2D lines touching at their ends. Does not check if they are parallel or intersecting.

Describes the intersection parameters of two 2D lines. Returns the parameters in the range 0.0 to 1.0 on both lines if they intersect.

Describes the possible relationships of two finite 2D lines. Returns the intersection point if they intersect.

Describes the possible intersection point of two rays (rays are 2D lines extended infinitely in both directions). Returns the intersection point if they intersect.

Describes the possible intersection parameters of two rays (rays are 2D lines extended infinitely in both directions). Returns parameters on both lines if they intersect.