Biliard within ellipsoid
see the scripting of point[color=#d69210] U[/color],[color=#0a971e] V[/color], [color=#c51414]Go ![/color] and [color=#1551b5]Reset [/color]
Biliard within ellipsoid
If a = b = c the orbits are planar: otherwise...?
Information: Biliard within ellipsoid