Find the intersection or crossing point of two lines.

Input parameters:

1. L1 → First line for intersection.
2. L2 → Second line for intersection.

Output parameters:

1. Pt → Intersection or crossing point.
2. L1 → Parameter of the intersection on first line.
3. L2 → Parameter of the intersection on second line.
4. Ty → Type of intersection.
   • 0 → None
   • 1 → Interior
   • 2 → Exterior
   • 3 → Crossing