今天给大家带来Python炫酷爱心代码

忘是亡心i 2024-03-08 06:31 87阅读 0赞

前言：

这个是小编之前朋友一直要小编去做的，不过之前技术不够所以一直拖欠今天也完成之前的约定吧！

至于他是谁，我就不多说了直接上代码

## 一.代码展示 ##

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 = "#ff2121"
    
    def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):
        """
        “爱心函数生成器”
        :param shrink_ratio: 放大比例
        :param t: 参数
        :return: 坐标
        """
        # 基础函数
        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
    
        # 移到画布中央
        x += CANVAS_CENTER_X
        y += CANVAS_CENTER_Y
    
        return int(x), int(y)
    
    def scatter_inside(x, y, beta=0.15):
        """
        :param x: 原x
        :param y: 原y
        :param beta: 强度
        :return: 新坐标
        """
        ratio_x = - beta * log(random.random())
        ratio_y = - beta * log(random.random())
    
        dx = ratio_x * (x - CANVAS_CENTER_X)
        dy = ratio_y * (y - CANVAS_CENTER_Y)
    
        return x - dx, y - dy
    
    def shrink(x, y, ratio):
        """
    
        :param x: 原x
        :param y: 原y
        :param ratio: 比例
        :return: 新坐标
        """
        force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.6) 
        dx = ratio * force * (x - CANVAS_CENTER_X)
        dy = ratio * force * (y - CANVAS_CENTER_Y)
        return x - dx, y - dy
    
    def curve(p):
        """
        :param p: 参数
        :return: 正弦
        """
    
        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):
            # 爱心
            for _ in range(number):
                t = random.uniform(0, 2 * pi)
                x, y = heart_function(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))
    
            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):
            # 调整缩放比例
            force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.520) 
    
            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 = []
    
            # 光环
            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:
                    # 处理新的点
                    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))
    
            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)
        root.mainloop()

## 二.效果图 ##

![df69181ad6a44cbdb7d7b7e05d794954.gif][]

如果有需要的话，可以联系小编噢！

[df69181ad6a44cbdb7d7b7e05d794954.gif]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/08/ddfc146131be432a84d0a4b875b734d2.png