第一种
def __init__(self, generate_frame=20): # 原始爱心坐标集合 self._points = set() # 边缘扩散效果点坐标集合 self._edge_diffusion_points = set() # 中心扩散效果点坐标集合 self._center_diffusion_points = set() # 每帧动态点坐标 self.all_points = {} self.build(2000) self.random_halo = 1000 self.generate_frame = generate_frame for frame in range(generate_frame): self.calc(frame) def build(self, number): for _ in range(number): t = random.uniform(0, 2 * pi) x, y = heart(t) self._points.add((x, y)) # 爱心内扩散 for _x, _y in list(self._points): for _ in range(3): x, y = scatter_inside(_x, _y, 0.05) self._edge_diffusion_points.add((x, y)) # 爱心内再次扩散 point_list = list(self._points) for _ in range(4000): x, y = random.choice(point_list) x, y = scatter_inside(x, y, 0.17) self._center_diffusion_points.add((x, y)) @staticmethodstaticmethod def calc_position(x, y, ratio): force = 1 / (((x - X) ** 2 + (y - Y) ** 2) ** 0.520) dx = ratio * force * (x - X) + random.randint(-1, 1) dy = ratio * force * (y - Y) + random.randint(-1, 1) return x - dx, y - dy def calc(self, generate_frame): ratio = 10 * curve(generate_frame / 10 * pi) halo_radius = int(4 + 6 * (1 + curve(generate_frame / 10 * pi))) halo_number = int( 3000 + 4000 * abs(curve(generate_frame / 10 * pi) ** 2)) all_points = [] # 光环 heart_halo_point = set() for _ in range(halo_number): t = random.uniform(0, 2 * pi) x, y = heart(t, shrink_ratio=11.6) x, y = shrink(x, y, halo_radius) if (x, y) not in heart_halo_point: heart_halo_point.add((x, y)) x += random.randint(-14, 14) y += random.randint(-14, 14) size = random.choice((1, 2, 2)) all_points.append((x, y, size)) # 轮廓 for x, y in self._points: x, y = self.calc_position(x, y, ratio) size = random.randint(1, 3) all_points.append((x, y, size)) # 内容 for x, y in self._edge_diffusion_points: x, y = self.calc_position(x, y, ratio) size = random.randint(1, 2) all_points.append((x, y, size)) self.all_points[generate_frame] = all_points for x, y in self._center_diffusion_points: x, y = self.calc_position(x, y, ratio) size = random.randint(1, 2) all_points.append((x, y, size)) self.all_points[generate_frame] = all_point
