PYTHON 游戏：旋转球射击目标（基于pygame实现）

import math import random import pygame SCREEN = WIDTH, HEIGHT = 288, 512 CENTER = WIDTH //2, HEIGHT // 2 MAX_RADIUS = 120 MIN_RADIUS = 90 class Circle(pygame.sprite.Sprite): def __init__(self, i): super(Circle, self).__init__() self.i = i self.base = 0 self.radius = 0 self.theta = 0 self.angle = 0 self.dt = 1 self.rotate = True self.max_rotation = 30 self.complete = False self.shrink = False self.image = pygame.image.load('Assets/circle.png') self.rect = self.image.get_rect() def update(self, shrink): self.shrink = shrink if not self.complete: if self.radius < MAX_RADIUS: self.radius += 5 if self.radius == MAX_RADIUS: if self.theta < 30: self.theta += 1 else: self.complete = True self.angle = (self.base + self.i * self.theta) * math.pi / 180 if self.complete: if self.shrink: self.radius -= 1 if self.radius < MIN_RADIUS: self.radius = MIN_RADIUS else: self.radius += 1 if self.radius > MAX_RADIUS: self.radius = MAX_RADIUS if self.rotate and self.radius in (MAX_RADIUS, MIN_RADIUS): if abs(self.base) > self.max_rotation: self.base = 0 self.rotate = False self.base += self.dt self.angle += math.radians(self.dt) self.x = math.cos(self.angle) * self.radius + CENTER[0] self.y = math.sin(self.angle) * self.radius + CENTER[1] self.rect = self.image.get_rect(center=(self.x, self.y)) self.mask = pygame.mask.from_surface(self.image) def draw(self, win): win.blit(self.image, self.rect) class Player(): def __init__(self): self.reset() self.image = pygame.image.load('Assets/player.png') self.rect = self.image.get_rect() def reset(self): self.radius = 30 self.theta = 0 self.rotate = True self.speed = 5 self.dr = self.speed self.alive = True def update(self, rotate): if not rotate: self.rotate = False if self.rotate: self.theta = (self.theta + 2 ) % 360 else: self.radius += self.dr if self.radius <= 30: self.dr *= -1 self.rotate = True angle = self.theta * math.pi / 180 self.x = math.cos(angle) * self.radius + CENTER[0] self.y = math.sin(angle) * self.radius + CENTER[1] self.rect = self.image.get_rect(center=(self.x, self.y)) self.mask = pygame.mask.from_surface(self.image) def draw(self, win): win.blit(self.image, self.rect) class Dot(): def __init__(self): self.radius = 8 def update(self, x, y, win, color): pygame.draw.circle(win, color, (x, y), self.radius) class Snowflake(pygame.sprite.Sprite): def __init__(self, x, y, image=None): super(Snowflake, self).__init__() self.color = (128, 128, 128) self.speed = 3 self.angle = 0 self.side = random.randint(15, 40) self.image = None if image: self.image = pygame.image.load(image) self.image = pygame.transform.scale(self.image, (self.side, self.side)) self.rect = self.image.get_rect(center=(x, y)) else: self.surface = pygame.Surface((self.side, self.side), pygame.SRCALPHA) self.surface.set_colorkey((20,20,20)) self.rect = self.surface.get_rect(center=(x, y)) def update(self, win): center = self.rect.center self.angle = (self.angle + self.speed) % 360 if self.image: image = pygame.transform.rotate(self.image , self.angle) self.rect.x += random.randint(-1, 1) else: image = pygame.transform.rotate(self.surface , self.angle) self.rect = image.get_rect() self.rect.center = center self.rect.y += 1.5 if self.rect.top >= HEIGHT: self.kill() if not self.image: pygame.draw.rect(self.surface, self.color, (0,0, self.side, self.side), 4) win.blit(image, self.rect) class Particle(pygame.sprite.Sprite): def __init__(self, x, y, color, win): super(Particle, self).__init__() self.x = x self.y = y self.color = color self.win = win self.size = random.randint(4,7) xr = (-3,3) yr = (-3,3) f = 2 self.life = 40 self.x_vel = random.randrange(xr[0], xr[1]) * f self.y_vel = random.randrange(yr[0], yr[1]) * f self.lifetime = 0 def update (self): self.size -= 0.1 self.lifetime += 1 if self.lifetime <= self.life: self.x += self.x_vel self.y += self.y_vel s = int(self.size) pygame.draw.rect(self.win, self.color, (self.x, self.y,s,s)) else: self.kill() class ScoreCard: def __init__(self, x, y, size, style, color, win): self.size = size self.color = color self.win = win self.inc = 1 self.animate = False self.style = style self.font= pygame.font.Font(self.style, self.size) self.image = self.font.render("0", True, self.color) self.rect = self.image.get_rect(center=(x,y)) self.shadow_rect = self.image.get_rect(center=(x+2, y+2)) def update(self, score): if self.animate: self.size += self.inc self.font = pygame.font.Font(self.style, self.size) if self.size <= 50 or self.size >= 55: self.inc *= -1 if self.size == 50: self.animate = False self.image = self.font.render(f"{score}", False, self.color) shadow = self.font.render(f"{score}", True, (54, 69, 79)) self.win.blit(shadow, self.shadow_rect) self.win.blit(self.image, self.rect) class Message: def __init__(self, x, y, size, text, font, color, win): self.win = win self.color = color self.x, self.y = x, y if not font: self.font = pygame.font.SysFont("Verdana", size) anti_alias = True else: self.font = pygame.font.Font(font, size) anti_alias = False self.image = self.font.render(text, anti_alias, color) self.rect = self.image.get_rect(center=(x,y)) if self.color == (200, 200, 200): self.shadow_color = (255, 255, 255) else: self.shadow_color = (54,69,79) self.shadow = self.font.render(text, anti_alias, self.shadow_color) self.shadow_rect = self.image.get_rect(center=(x+2,y+2)) def update(self, text=None, color=None, shadow=True): if text: if not color: color = self.color self.image = self.font.render(f"{text}", False, color) self.rect = self.image.get_rect(center=(self.x,self.y)) self.shadow = self.font.render(f"{text}", False, self.shadow_color) self.shadow_rect = self.image.get_rect(center=(self.x+2,self.y+2)) if shadow: self.win.blit(self.shadow, self.shadow_rect) self.win.blit(self.image, self.rect) class Button(pygame.sprite.Sprite): def __init__(self, img, scale, x, y): super(Button, self).__init__() self.scale = scale self.image = pygame.transform.scale(img, self.scale) self.rect = self.image.get_rect() self.rect.x = x self.rect.y = y self.clicked = False def update_image(self, img): self.image = pygame.transform.scale(img, self.scale) def draw(self, win): action = False pos = pygame.mouse.get_pos() if self.rect.collidepoint(pos): if pygame.mouse.get_pressed()[0] and not self.clicked: action = True self.clicked = True if not pygame.mouse.get_pressed()[0]: self.clicked = False win.blit(self.image, self.rect) return action class BlinkingText(Message): def __init__(self, x, y, size, text, font, color, win): super(BlinkingText, self).__init__(x, y, size, text, font, color, win) self.index = 0 self.show = True def update(self): self.index += 1 if self.index % 40 == 0: self.show = not self.show if self.show: self.win.blit(self.image, self.rect)