pygame102.py

#! /usr/bin/python3
# ==================================================================
# from/based-on: pythonprogramming.net/pygame-python-3-part-1-intro/
# ==================================================================

import pygame

pygame.init()

display_width = 800
display_height = 600

gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('A Bit Racey')

black = (0,0,0)
white = (255,255,255)

clock = pygame.time.Clock()
crashed = False
carImg = pygame.image.load('racecar_green.png')

def car(x,y):
    gameDisplay.blit(carImg,(x,y))

x = display_width * 0.45
y = display_height * 0.8
x_change = 0
y_change = 0

while not crashed:

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            crashed = True
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                x_change = -5
            elif event.key == pygame.K_RIGHT:
                x_change = 5
            if event.key == pygame.K_DOWN:
                y_change = 5
            elif event.key == pygame.K_UP:
                y_change = -5
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_LEFT or pygame.K_RIGHT or \
                            pygame.K_DOWN or pygame.K_UP:
                x_change = 0
                y_change = 0

    x += x_change
    y += y_change

    gameDisplay.fill(white)
    car(x,y)

    pygame.display.update()
    clock.tick(60)
    
pygame.quit()
quit()