pong module

class pong.Ball(game, x_pos=0.5, y_pos=0.5, velocity=0.025, direction=[-0.5, 0.5], radius=0.02)

Bases: pong.BallOrPuck

Class representing the ball.

Parameters:radius (float) – Radius of ball in unit length.

For other args, see BallOrPuck.

class pong.BallOrPuck(game, x_pos=0.5, y_pos=0.5, velocity=0.2, direction=0)

Class that represents either a ball or a puck.

Parameters:

• game (GameOfPong) – Pong game.
• x_pos (float) – Initial x position in unit length.
• y_pos (float) – Initial y position in unit length.
• velocity (float) – Change in position per iteration.
• direction (list, float) – Heading.

get_cell()

update_cell()

Update cell based on position.

class pong.GameOfPong(x_grid=32, y_grid=32, debug=False, norm='L1')

Bases: object

Class representing a game of Pong. Playing field: 1 by 1 discretized into cells.

Parameters:

• x_grid (int) – Number of cells to discretize x-axis into.
• y_grid (int) – Number of cells to discretize y-axis into.
• debug (bool) – Print debugging messages.
• norm (string) – “L1” or “L2”, defines norm to be used for velocity vector.

dont_move_right_paddle()

get_ball_cell()

get_right_paddle_cell()

get_right_paddle_length()

get_right_paddle_position()

move_right_paddle_down()

move_right_paddle_up()

propagate_ball_and_paddles()

Update ball and paddle coordinates based on direction and velocity. Also update their cells.

step()

Perform one game step.

update_ball_direction()

In case of a collision, update the direction of ball velocity. Also determine if the ball is in either player’s net.

Returns:Either NO_WIN or RIGHT_WIN.

class pong.Puck(game, length=0.07, y_pos=0.5, velocity=0.05, direction=0.0)

Bases: pong.BallOrPuck

Class representing the puck.

Parameters:direction (float, int) – +1 for up, -1 for down, 0 for no movement.

For other args, see BallOrPuck.