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Given 2 lines expressed as parametric equations, how do you find their intersection point?
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Say, the lines are expressed as a pair of points for each line. So we have:
P = P0 t0(P1 - P0)
P = P2 t1(P3 - P2)
If we make these 2 equations equal, we're still left with t0 and t1 as unknowns and only 1 equation.
P0 t0(P1 - P0) = P2 t1(P3 - P2)
How do I get the intersection point?
edit: Solved it in the end! Stumbled on this video, he gets to the derivation at around the 16 minute mark: https://www.youtube.com/watch?v=fHOLQJo0FjQ
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