Segment-segment intersection in XZ plane. Returns { hit, s, t } where P = a + s*(b-a) and Q = c + t*(d-c). Hit only if both s and t are within [0,1].
Segment-segment intersection in XZ plane. Returns { hit, s, t } where P = a + s*(b-a) and Q = c + t*(d-c). Hit only if both s and t are within [0,1].