主权项 |
1. An apparatus, comprising:
a ball launcher mechanism launching a ball, wherein the ball launcher mechanism allows a first player to adjust at least one attribute of a plurality of attributes affecting a trajectory of the ball, wherein the plurality of attributes comprises a launch angle, a lateral angle, a ball speed, a ball spin, a ball length when the launched ball first contacts a surface of a playing field, number of bounces to a predetermined location and time to reach the predetermined location. |