import pygame
import math
import sys

screen_width = 640
screen_height = 480
FPS = 60


class Background:  # Background Image
    def __init__(self, screen):
self.screen = screen
self.background_image = pygame.image.load("background.jpg")

def update(self):
self.screen.blit(self.background_image, (0, 0))


class Ship:  # ship Image
    def __init__(self, screen, screen_width, screen_height):
self.screen = screen
self.screen_width = screen_width
self.screen_height = screen_height
self.ship_image = pygame.image.load("ship.png")
self.mouse_angle = 0

    def update(self):
        mouse_x = pygame.mouse.get_pos()[0]
        mouse_y = pygame.mouse.get_pos()[1]

self.mouse_angle = math.pi - math.atan2(mouse_x - int(self.screen_width / 2),
                                                mouse_y - int(self.screen_height / 2))
        rotation_ship_image = pygame.transform.rotate(self.ship_image, -(int(math.degrees(self.mouse_angle))))

self.ship_image_pos = rotation_ship_image.get_rect()
self.ship_image_pos.center = (int(screen_width / 2), int(screen_height / 2))
self.screen.blit(rotation_ship_image, self.ship_image_pos)


def main():
    screen = pygame.display.set_mode([screen_width, screen_height], 0, 32)
    pygame.display.set_caption("Time War")

    background = Background(screen)
    ship = Ship(screen, screen_width, screen_height)
    clock = pygame.time.Clock()
    running = True

    while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
                pygame.quit()
                sys.exit()

        clock.tick(FPS)
        background.update()
        ship.update()
        pygame.display.flip()


if __name__ == "__main__":
    main()

일단... 

여기서 그 Ship을 마우스 오른쪽을 클릭한 쪽으로 이동하게 하고싶어. 롤 조작 방식같이 만들고 싶은데 어케 만드는거지...?