Optional
defaultReturn to this position when zoom loop is released
Optional
loopvertical loop rotation. range : 0 ~ Math.PI
Optional
loopzoom loop.
Optional
loophorizontal loop rotation. range : -Math.PI ~ Math.PI Note: When used with speed, both rotations apply simultaneously
Optional
speedinfinite horizontal rotation. unit : radian / frame Note: Can be combined with loopTheta for complex theta motion
回転の動作を指定する。