import pygame
import random

pygame.init()

display_height, display_width = 600, 800
car_width, car_height = 60, 100
block_width, block_height = 100, 100
wheel_width, wheel_height = 15, 30
block_speed = 12
car_x, car_y = display_width / 2, display_height / 2 + car_height * 1.5
black = (0, 0, 0)
white = (255, 255, 255)
x_change = 0
block_x = random.randrange(block_width / 2, display_width - block_width / 2)
block_y = -600 - block_height / 2
score = 0

display = pygame.display.set_mode((display_width, display_height))
pygame.display.set_caption("Racing Car")
clock = pygame.time.Clock()

crashed = False

font = pygame.font.SysFont(None, 25)


def draw_Car(car_x, car_y, car_width, car_height, wheel_width, wheel_height, color):
    pygame.draw.rect(display, color, [car_x - car_width / 2, car_y - car_height / 2, car_width, car_height], 1)
    pygame.draw.ellipse(display, color,
                        [(car_x - car_width / 2) + car_width, (car_y - car_height / 2) + car_height / 2 * 1.5,
                         wheel_width, wheel_height], 1)
    pygame.draw.ellipse(display, color,
                        [(car_x - car_width / 2) - wheel_width, (car_y - car_height / 2) + car_height / 2 * 1.5,
                         wheel_width, wheel_height], 1)
    pygame.draw.ellipse(display, color, [(car_x - car_width / 2) + car_width, (car_y - car_height / 2),
                                         wheel_width, wheel_height], 1)
    pygame.draw.ellipse(display, color,
                        [(car_x - car_width / 2) - wheel_width, (car_y - car_height / 2),
                         wheel_width, wheel_height], 1)


def drawBlock(block_x, block_y, block_width, block_height, color):
    pygame.draw.rect(display, color, [block_x - block_width / 2, block_y - block_height / 2, block_width, block_height],
                     1)


def gen_Block():
    global block_x, block_y
    block_x = random.randrange(block_width / 2, display_width - block_width / 2)
    block_y = -600 - block_height / 2


def show_score(score):
    text = font.render(score, True, white)
    display.blit(text, [display_width - 100, 20])


def check():
    if (block_x + block_width / 2) > car_x + car_width / 2 + wheel_width and (
                block_x - block_width / 2) < car_x + car_width / 2 + wheel_width:
        if block_y + block_height / 2 > car_y - car_height / 2 and block_y - block_height / 2 < car_y + car_height / 2:
            return False
    if (block_x + block_width / 2) > car_x - car_width / 2 - wheel_width and (
                block_x - block_width / 2) < car_x - car_width / 2 - wheel_width:
        if block_y + block_height / 2 > car_y - car_height / 2 and block_y - block_height / 2 < car_y + car_height / 2:
            return False
    return True


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 = -10
            elif event.key == pygame.K_RIGHT:
                x_change = 10
        elif event.type == pygame.KEYUP:
            if event.key == pygame.K_RIGHT or event.key == pygame.K_LEFT:
                x_change = 0
    if car_x + car_width / 2 + wheel_width + x_change <= display_width and car_x - car_width / 2 - wheel_width + x_change >= 0:
        car_x += x_change
        block_y += block_speed
    print(car_x)
    display.fill(black)
    draw_Car(car_x, car_y, car_width, car_height, wheel_width, wheel_height, white)
    drawBlock(block_x, block_y, block_width, block_height, white)
    if not check():
        crashed = True
        pygame.quit()
        quit()
    if block_y - block_height / 2 >= display_height:
        gen_Block()
        score += 1
    show_score("Score: " + str(score))

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

pygame.quit()
quit()