우주선을 마우스 커서 방향으로 회전시키기(1)

<조건>

1. 640x480 사이즈의 윈도우를 사용한다.

2. 윈도우 중앙에 우주선을 띄운다.

3. 마우스 커서 방향으로 우주선이 회전한다.

 

<실행화면>

 

<소스 코드>

# -*- coding: utf-8 -*-
#
#	rotation_ship_by_mouse.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(): # 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("Rotation ship by mouse")

	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()
				
			if event.type == pygame.KEYDOWN:
				if event.key == pygame.K_ESCAPE:
					running = False
		
		clock.tick(FPS)
		background.update()
		ship.update()
		pygame.display.flip()
		
if __name__ == "__main__":
	main()

 

<이미지 소스 출처>

https://opengameart.org

 

<소스파일>

rotation_ship_by_mouse.zip