Notes

import pygame
import RPi.GPIO as GPIO
import time

# Define some colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GREEN = (0, 255, 0)
RED = (255, 0, 0)
BLUE = (0, 0, 225)

pygame.init()

# Set the width and height of the screen [width, height]
size = (1000, 700)
x_coord1 = 750
y_coord1 = 300
x_speed1 = 0
y_speed1 = 0
x_coord2 = 200
y_coord2 = 300
x_speed2 = 0
y_speed2 = 0
button_pin1 = 18
button_pin2 = 23
GPIO.setmode(GPIO.BCM)
GPIO.setup (button_pin1, GPIO.IN)
GPIO.setup (button_pin2, GPIO.IN)
class BulletRed(pygame.sprite.Sprite):
""" This class represents the bullet . """
def __init__(self):
# Call the parent class (Sprite) constructor
super().__init__()

self.image = pygame.Surface([10, 4])
self.image.fill(WHITE)

self.rect = self.image.get_rect()

def update(self):
""" Move the bullet. """
self.rect.x += -3


class BulletBlue(pygame.sprite.Sprite):
""" This class represents the bullet . """
def __init__(self):
# Call the parent class (Sprite) constructor
super().__init__()

self.image = pygame.Surface([10, 4])
self.image.fill(WHITE)

self.rect = self.image.get_rect()

def update(self):
""" Move the bullet. """
self.rect.x += 3

screen = pygame.display.set_mode(size)

pygame.display.set_caption("SquareFARE")

# 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 every sprite. All blocks and the player block as well.
all_sprites_list = pygame.sprite.Group()

# List of each block in the game
block_list = pygame.sprite.Group()

# List of each bullet
bullet_list = pygame.sprite.Group()

# -------- Main Program Loop -----------
while not done:

# --- Game logic should go here
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
# User pressed down on a key
elif event.type == pygame.KEYDOWN:
# Figure out if it was an arrow key. If so
# adjust speed.
if event.key == pygame.K_LEFT:
x_speed1 = -3
elif event.key == pygame.K_RIGHT:
x_speed1 = 3
elif event.key == pygame.K_UP:
y_speed1 = -3
elif event.key == pygame.K_DOWN:
y_speed1 = 3
elif event.key == pygame.K_a:
x_speed2 = -3
elif event.key == pygame.K_d:
x_speed2 = 3
elif event.key == pygame.K_w:
y_speed2 = -3
elif event.key == pygame.K_s:
y_speed2 = 3
elif event.key == pygame.K_RCTRL:
# Fire a bullet if the user clicks the mouse button
bulletred = BulletRed()
# Set the bullet so it is where the player is
bulletred.rect.x = x_coord1
bulletred.rect.y = y_coord1
# Add the bullet to the lists
all_sprites_list.add(bulletred)
bullet_list.add(bulletred)
elif event.key == pygame.K_SPACE:
# Fire a bullet if the user clicks the mouse button
bulletblue = BulletBlue()
# Set the bullet so it is where the player is
bulletblue.rect.x = x_coord2
bulletblue.rect.y = y_coord2
# Add the bullet to the lists
all_sprites_list.add(bulletblue)
bullet_list.add(bulletblue)

# User let up on a key
elif event.type == pygame.KEYUP:
# If it is an arrow key, reset vector back to zero
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
x_speed1 = 0
elif event.key == pygame.K_UP or event.key == pygame.K_DOWN:
y_speed1 = 0
if event.key == pygame.K_a or event.key == pygame.K_d:
x_speed2 = 0
elif event.key == pygame.K_w or event.key == pygame.K_s:
y_speed2 = 0


# Move the object according to the speed vector.
x_coord1 += x_speed1
y_coord1 += y_speed1


# Move the object according to the speed vector.
x_coord2 += x_speed2
y_coord2 += y_speed2

# --- Screen-clearing code goes here

# Here, we clear the screen to white. Don't put other drawing commands
# above this, or they will be erased with this command.

# If you want a background image, replace this clear with blit'ing the
# background image.
screen.fill(BLACK)

# Call the update() method on all the sprites
all_sprites_list.update()
all_sprites_list.draw(screen)
# --- Drawing code should go here
pygame.draw.rect(screen, RED, [x_coord1, y_coord1, 50, 50])
pygame.draw.rect(screen, BLUE, [x_coord2, y_coord2, 50, 50])


# --- Go ahead and update the screen with what we've drawn.
pygame.display.flip()

# --- Limit to 60 frames per second
clock.tick(60)

# Close the window and quit.
pygame.quit()