nauticalcombat.py 文件源码

def __init__(self, width=640, height=400, fps=30):
        """Initialize pygame, window, background, font,..."""
        pygame.init()
        pygame.display.set_caption("Press ESC to quit")
        PygView.width = width    # make global readable
        PygView.height = height
        self.screen = pygame.display.set_mode((self.width, self.height), pygame.DOUBLEBUF)
        self.loadresources()
        self.background = pygame.Surface(PygView.images[0].get_size())
        self.background.blit(PygView.images[0], (0,0))
        #self.background = pygame.Surface(self.screen.get_size()).convert()  
        #self.background.fill((255,255,255)) # fill background white
        self.clock = pygame.time.Clock()
        self.fps = fps
        self.playtime = 0.0
        #self.loadresources()
        self.mapzoom = 5
        dx = Vec2d(20,15)
        print("dx",dx)
        ex = Vec2d(7,0)
        print("ex", ex)
        print("dx + ex:", dx+ex)  # vektor addition
        print("dx * 2", dx * 2)   # vektor multiplizieren
        print("x, y von dx", dx.x, dx.y) # attribute vom Vektor
        print("senkrechte zu dx", dx.perpendicular())
        print("distanz zw. dx und ex",  dx.get_distance(ex))