surdeus / pong.py

import pygame pygame.init() class GameContext : def __init__( self, dt, events, keys, game, ): self.dt = dt self.events = events self.keys = keys self.game = game # ctx.screen -> ctx.game.screen class Game: def __init__( self, resolution=(640, 480), bg_color=(0, 0, 0), fps=30, objects=[], ): self.resolution = resolution self.bg_color = bg_color self.fps = fps self.objects = objects def run(self): self.screen = pygame.display.set_mode(self.resolution) clock = pygame.time.Clock() running = True while running : # gist.surdeus.su/surdeus # Здесь код на каждый кадр dt = clock.tick(self.fps) / 1000.0 events = pygame.event.get() for event in events : if event.type == pygame.QUIT : running = False self.screen.fill(self.bg_color) keys = pygame.key.get_pressed() ctx = GameContext(dt, events, keys, self) for o in self.objects : o.update(ctx) o.draw(ctx) # Вывести всё нарисованное на окно pygame.display.update() pygame.quit() class GameObject: def update(self, ctx): pass def draw(self, ctx): pass # Rectangle - прямоугольник class Rect(GameObject): def __init__( self, x = 0, y = 0, w = 100, h = 100, fill_color=(255, 255, 255), visible=True, ): self.x = x self.y = y self.w = w self.h = h self.fill_color = fill_color self.visible = visible def draw(self, ctx): if not self.visible : return pygame.draw.rect( ctx.game.screen, self.fill_color, (self.x, self.y, self.w, self.h), ) # Содержит ли точку. def contains_point(self, px, py): x, y, w, h = self.x, self.y, self.w, self.h return ( py >= y and py <= (y + h) and px >= x and px <= (x + w) ) def points(self): x, y, w, h = self.x, self.y, self.w, self.h return ((x, y), (x + w, y), (x + w, y + h), (x, y + h)) def intersects_with(self, other): for point in other.points() : if self.contains_point(point[0], point[1]) : return True for point in self.points() : if other.contains_point(point[0], point[1]) : return True return False class Text(GameObject): def __init__(self, text, x=0, y=0, fontname=None, fontsize=72, fill_color=(255, 255, 255)): self.x = x self.y = y self.text = text if not fontname : fontname = pygame.font.get_default_font() print('font:', fontname) self.font = pygame.font.SysFont(fontname, fontsize) self.fill_color = fill_color def draw(self, ctx): img = self.font.render(self.text, True, self.fill_color) ctx.game.screen.blit(img, (self.x, self.y))

import game import pygame import random # Объект платформы class PlayerRect(game.Rect): # --------------- def __init__(self, up_key, down_key, vd=(0, 1), speed=200, **kwargs): super().__init__(**kwargs) self.speed = speed self.up_key = up_key self.down_key = down_key # -------------- self.vd = vd def update(self, ctx): # Поведение плафтормы за кадр dt = ctx.dt speed = self.speed # ---------------- Весь блок движения if ctx.keys[self.up_key] : if self.x > 0 : self.x -= dt * speed * self.vd[0] if self.y > 0 : self.y -= dt * speed * self.vd[1] if ctx.keys[self.down_key] : if (self.x + self.w) < ctx.game.resolution[0] : self.x += dt * speed * self.vd[0] if (self.y + self.h) < ctx.game.resolution[1] : self.y += dt * speed * self.vd[1] # Сам шар летающий class BallRect(game.Rect): # ------- dd def __init__(self, dx=50, dy=50, dd=40, **kwargs): super().__init__(**kwargs) self.dx = dx self.dy = dy self.dd = dd def update(self, ctx): res = ctx.game.resolution dt = ctx.dt self.x += self.dx * dt self.y += self.dy * dt # Отталкивание от игроков if (self.intersects_with(player_left) or self.intersects_with(player_right) ): self.dx *= -1 self.dy += random.randint(0, self.dd) - self.dd/2 if (self.intersects_with(player_top) or self.intersects_with(player_bottom)) : self.dy *= -1 self.dx += random.randint(0, self.dd) - self.dd/2 # Касание стен (проигрыш) if (self.x <= 0 or self.x+self.w >= res[0] or self.y <= 0 or (self.y + self.h) >= res[1]): self.x, self.y = res[0]/2, res[1]/2 g = game.Game() player_width = 30 player_left = PlayerRect(pygame.K_w, pygame.K_s, fill_color=(255, 0, 0), w=player_width) player_right = PlayerRect( pygame.K_UP, pygame.K_DOWN, fill_color=(0, 0, 255), w=player_width) player_right.x = g.resolution[0] - player_right.w player_top = PlayerRect( pygame.K_a, pygame.K_d, fill_color=player_left.fill_color, h=player_width, vd=(1, 0)) player_bottom = PlayerRect( pygame.K_LEFT, pygame.K_RIGHT, fill_color=player_right.fill_color, h=player_width, vd=(1, 0)) player_bottom.y = g.resolution[1] - player_bottom.h player_bottom.x = g.resolution[0] - player_bottom.w ball_size = 30 ball_speed = 150 ball = BallRect(w=ball_size, h=ball_size, dx=ball_speed, dy=ball_speed) ball.x = g.resolution[0] / 2 - 100 ball.y = g.resolution[1] / 2 - 100 g.objects = [player_left, player_right, player_top, player_bottom, ball, game.Text("Hello, Pong!", x=300, y=300)] g.run()