Specifies whether or not the player's movement should be constrained to the screen or not. Also determines whether the camera should move to follow the player or not. The results of this controller are valid for 1 tick.

Required parameters:

- none

Optional parameters:

- value = bound_flag (boolean)
  If bound_flag is 0, the player will be allowed to move off the screen. If 1, the player is constrained within the screen. Defaults to 0 if omitted.
- movecamera = move_x_flag, move_y_flag (boolean, boolean)
  If 1, specifies that camera should pan to follow the player in the x direction and in the y direction, respectively. Defaults to 0 in both instances if omitted.

Examples:

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