Example program to show move a sprite with a game controller.
Sample Python/Pygame Programs
Simpson College Computer Science
# Define some colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
This class represents the player.
It derives from the "Sprite" class in Pygame.
Constructor. Pass in the color of the block, and its x and y position.
# Call the parent class (Sprite) constructor
# Variables to hold the height and width of the block
width = 20
height = 15
# Create an image of the ball, and fill it with a color.
# This could also be an image loaded from the disk.
self.image = pygame.Surface([width, height])
# Fetch the rectangle object that has the dimensions of the image
self.rect = self.image.get_rect()
# Set initial position of sprite to 100,100
self.rect.x = 100
self.rect.y = 100
# Count the joysticks the computer has
self.joystick_count = pygame.joystick.get_count()
if self.joystick_count == 0:
# No joysticks!
print("Error, I didn't find any joysticks.")
# Use joystick #0 and initialize it
self.my_joystick = pygame.joystick.Joystick(0)
""" Update the position of the ball """
# As long as there is a joystick
if self.joystick_count != 0:
# This gets the position of the axis on the game controller
# It returns a number between -1.0 and +1.0
horiz_axis_pos = self.my_joystick.get_axis(0)
vert_axis_pos = self.my_joystick.get_axis(1)
# Move x according to the axis. We multiply by 10 to speed up the
self.rect.x = self.rect.x+horiz_axis_pos*10
self.rect.y = self.rect.y+vert_axis_pos*10
# Set the height and width of the screen
WINDOW_SIZE = [700, 500]
screen = pygame.display.set_mode(WINDOW_SIZE)
# Loop until the user clicks the close button.
done = False
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
# This is a list of 'sprites.' Each ball in the program (there is only 1) is
# added to this list. The list is managed by a class called 'Group.'
all_sprites_list = pygame.sprite.Group()
# This represents the ball controlled by the player
player = Player()
# Add the ball to the list of player-controlled objects
# -------- Main Program Loop -----------
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
# Clear the screen
# Update the position of the ball (using the mouse) and draw the ball
# Limit to 60 frames per second
# Go ahead and update the screen with what we've drawn.
# Be IDLE friendly