Validates a cubicBezier value (§8.6): [P1x, P1y, P2x, P2y], four numbers with both x coordinates in [0, 1].
cubicBezier
[P1x, P1y, P2x, P2y]
[0, 1]
Validates a
cubicBeziervalue (§8.6):[P1x, P1y, P2x, P2y], four numbers with both x coordinates in[0, 1].