auto save

my_game.py

-import pygame
-from pygame import locals
+import random
+from math import sin, cos, pi, log
+from tkinter import *
+
+CANVAS_WIDTH = 640
+CANVAS_HEIGHT = 480
+
+CANVAS_CENTER_X = CANVAS_WIDTH / 2
+CANVAS_CENTER_Y = CANVAS_HEIGHT / 2
+
+IMAGE_ENLARGE = 11
+
+HEART_COLOR = "#DC143C"
+
+def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE): 
+    x = 16 * (sin(t) ** 3)
+    y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))
+
+    x *= shrink_ratio
+    y *= shrink_ratio
+
+    x += CANVAS_CENTER_X
+    y += CANVAS_CENTER_Y
+
+    return int(x), int(y)
+
+def scatter_inside(x, y, beta=0.15):
+    ratio_x = - beta * log(random.random())
+    ratio_y = - beta * log(random.random())
 
 
-pygame.init()  # 初始化
-# 创建一个窗口
-screen = pygame.display.set_mode((1000, 600))
-FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-pygame.display.set_caption("悟空酷跑")
-# 载入图片
-background = pygame.image.load('bg.png')    # 背景
-road = pygame.image.load('road.png')      # 路
-stone = pygame.image.load('stone.png')      # 石头
-cacti = pygame.image.load('cacti.png')      # 仙人掌
-apple = pygame.image.load('bush.png')      # 灌木丛
-hero = [pygame.image.load('hero1.png'),
-        pygame.image.load('hero2.png'),
-        pygame.image.load('hero3.png'),
-        pygame.image.load('hero4.png'),
-        pygame.image.load('hero5.png')]
-index = 0 
+    dx = ratio_x * (x - CANVAS_CENTER_X)
+    dy = ratio_y * (y - CANVAS_CENTER_Y)
+    return x - dx, y - dy
+
+
+def shrink(x, y, ratio):
+    force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.6)  # 这个参数...
+    dx = ratio * force * (x - CANVAS_CENTER_X)
+    dy = ratio * force * (y - CANVAS_CENTER_Y)
+    return x - dx, y - dy
+
+def curve(p):
+    return 2*(2*sin(4*p))/(2*pi)
+
+class Heart:
+    def __init__(self,generate_frame=20):
+        self._points = set()
+        self._edge_diffusion_points = set()
+        self._center_diffusion_points = set()
+        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_function(t)
+            self._points.add((x,y))
+
+        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))
+
+        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))
+
+
+    @staticmethod
+    def calc_position(x, y, ratio):
+        force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.520)  # 魔法参数
+
+        dx = ratio * force * (x - CANVAS_CENTER_X) + random.randint(-1, 1)
+        dy = ratio * force * (y - CANVAS_CENTER_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 = []
+
+        heart_halo_point = set()
+        for _ in range(halo_number):
+            t = random.uniform(0, 2 * pi)
+            x, y = heart_function(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))
+
+        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))
 
 
-while True:
-    for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
-            exit()
-    wukong = hero[index]
-    index += 1
-    if index == 5:
-        index = 0
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
-    screen.blit(wukong, (150, 400))
+        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))
+
+        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_points
+
+    def render(self,render_canvas,render_frame):
+        for x,y,size in self.all_points[render_frame % self.generate_frame]:
+            render_canvas.create_rectangle(x,y,x+size,y+size,width=0,fill=HEART_COLOR)
+
+
+def draw(main: Tk, render_canvas: Canvas, render_heart: Heart, render_frame=0):
+    render_canvas.delete('all')
+    render_heart.render(render_canvas, render_frame)
+    main.after(160, draw, main, render_canvas, render_heart, render_frame + 1)
+
+
+if __name__ == '__main__':
+    root = Tk()
+    canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH)
+    canvas.pack()
+    heart = Heart()
+    draw(root, canvas, heart)
 
 
-
-    # 刷新画面
-    pygame.display.update()
-    FPS.tick(60)
-
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