Table Tennis - Angle of Play
You can move the black dot which represents the enemy player, whereas the green area is his possible playing angle. Use the above toolbox to zoom in or to add any additional objects your're missing.
Playing with a 4D object.
Finding Distance to the Target Enemy
Cannon Battle (2 player)
exploring parabolas vertex form
i = pi * d^2 - d
Two tangents intersect
Simultaneous equations with 3 variables as sum of 3 vectors
Cylindrical Coordinates의 복사본
Phantom Graph x^4/(1-x^2)
[Quantum Continuum]: Rafael - [graphical method]