aiu33 2022-11-09 12:37 采纳率: 100%
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python问题 AttributeError:xx object has no attribute


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 = "red"
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))
    # 放大
    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):
    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):
    force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 1.6)
    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 __int__(self, generate_frame=20):
        self._points = set()  # 原始爱新坐标集合
        self._edge_diffusion_points = set()  # 边缘扩散效果点坐标集合
        self._center_diffusion_points = set()  # 中心扩散效果点坐标集合
        self.all_points = {}  # 每贞动态点坐标
        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))
        # 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))
    @staticmethod
    def calc_position(x, y, ratio):
        force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (Y - CANVAS_CENTER_Y) ** 2) ** 0.5)
        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:
                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()
```python


Traceback (most recent call last):
  File "d:\学习\学习", line 110, in <module>
    draw(root, canvas, heart)
  File "d:\学习\学习", line 103, in draw
    render_heart.render(render_canvas, render_frame)
  File "d:\学习\学习", line 99, in render
    for x, y, size in self.all_points[render_frame % self.generate_frame]:
AttributeError: 'Heart' object has no attribute 'all_points'

这种情况该如何解决?
求解答!

  • 写回答

4条回答 默认 最新

  • 游一游走一走 2022-11-09 13:24
    关注
    1. 初始化函数名字有问题
    2. 还有其他的若干问题,给你修复了,你着❤️画的不错
    
    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 = "red"
    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))
        # 放大
        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):
        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):
        force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 1.6)
        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()  # 原始爱新坐标集合
            self._edge_diffusion_points = set()  # 边缘扩散效果点坐标集合
            self._center_diffusion_points = set()  # 中心扩散效果点坐标集合
            self.all_points = {}  # 每贞动态点坐标
            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))
            # 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))
        @staticmethod
        def calc_position(x, y, ratio):
            force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.5)
            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:
                    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()
    
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