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http://codememo.tistory.com/18 의 코드를 이용하기

<실행화면>

<소스코드>

# -*- coding: utf-8 -*-
#
#	rotation_ship_by_mouse_and_bullet.py
#	coding with python 3.5.3
#
#	http://codememo.tistory.com
#

import sys
import os
import math
import pygame

screen_width = 640
screen_height = 480
FPS = 60

class Background(pygame.sprite.Sprite): # Background
	def __init__(self):
		super().__init__()
		self.image = pygame.image.load("background.jpg")
		
	def update(self):
		self.rect = self.image.get_rect()
		
class Ship(pygame.sprite.Sprite): # ship
	def __init__(self):
		super().__init__()
		self.original_image = pygame.image.load("ship.png")
		self.angle = 0
		
	def update(self):
		mouse_x = pygame.mouse.get_pos()[0]
		mouse_y = pygame.mouse.get_pos()[1]
		
		self.angle = math.pi - math.atan2(mouse_x - int(screen_width / 2), mouse_y - int(screen_height / 2))
		self.image = pygame.transform.rotate(self.original_image, -(int(math.degrees(self.angle))))
		
		self.rect = self.image.get_rect()
		self.rect.center = (int(screen_width / 2), int(screen_height / 2))

class Bullet(pygame.sprite.Sprite): # Bullet
	def __init__(self):
		super().__init__()
		
		self.bullet_image = pygame.image.load("bullet.png")
		
		mouse_x = pygame.mouse.get_pos()[0]
		mouse_y = pygame.mouse.get_pos()[1]		
		self.angle = math.pi - math.atan2(mouse_x - int(screen_width / 2), mouse_y - int(screen_height / 2))
		self.image = pygame.transform.rotate(self.bullet_image, -(int(math.degrees(self.angle))))
		
		self.speed = 10
		self.x = 0
		self.y = 0
		
	def update(self):
	
		self.x += self.speed * math.sin(self.angle)
		self.y -= self.speed * math.cos(self.angle)
		
		self.rect = self.image.get_rect()
		self.rect.center = (int(screen_width / 2) + self.x, int(screen_height / 2) + self.y)
		
def main():
	screen = pygame.display.set_mode([screen_width, screen_height], 0, 32)
	pygame.display.set_caption("Rotation ship by mouse and Bullet")

	background = Background()
	ship = Ship()
	
	background_sprites_list = pygame.sprite.Group(background)
	all_sprites_list = pygame.sprite.Group(ship)
	
	bullet_list = pygame.sprite.Group()
	
	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()
				
			if event.type == pygame.KEYDOWN:
				if event.key == pygame.K_ESCAPE:
					running = False
		
		if running:
			
			key = pygame.key.get_pressed()
				
			if key[pygame.K_SPACE]:
				bullet = Bullet()
				bullet_list.add(bullet)
		
		clock.tick(FPS)
		
		background_sprites_list.update()
		bullet_list.update()
		all_sprites_list.update()
		
		background_sprites_list.draw(screen)
		bullet_list.draw(screen)
		all_sprites_list.draw(screen)
		
		pygame.display.flip()
		
if __name__ == "__main__":
	main()

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https://opengameart.org

<첨부파일>

rotation_ship_by_mouse_and_bullet.zip