PREVIEW: Today, you will learn how to create a game using functional programming concepts.
- Click Run to see an example of the project.
- Try out the game! Use the left and right arrow keys to move and keep the ball from falling!
- When you are done, click Submit and Next to move on.
To navigate the page using the TAB key, first press ESC to exit the code editor.
def set_stage():
""" Sets up the stage for the game """
stage.set_background("soccerfield")
stage.disable_floor()
def add_player():
""" Adds a player to the stage for the user to control """
player = codesters.Sprite("player1")
player.go_to(0, -155)
return player
def add_ball():
""" Adds a ball to the stage and sets its attributes """
ball = codesters.Sprite("soccerball")
ball.set_y_speed(-8)
def head_ball(sprite, hit_sprite):
""" Detects collisions between the player and ball """
my_var = hit_sprite.get_y_speed()
hit_sprite.set_y_speed(-my_var + 1)
my_var = hit_sprite.get_x_speed()
hit_sprite.set_x_speed(my_var + 1)
def move_left(sprite):
""" Moves the player left """
sprite.move_left(50)
def move_right(sprite):
""" Moves the player right """
sprite.move_right(50)
def main():
""" Sets up the program and calls other functions """
set_stage()
player = add_player()
add_ball()
player.event_collision(head_ball)
player.event_key("left", move_left)
player.event_key("right", move_right)
main()
