用Python画一个生日蛋糕

 t.Turtle().screen.delay(0)

# -*- coding: utf-8 -*-
# edited by oncebeen

import turtle as t
import math as m
import random as r


class Greeting():
    def run(self):
        t.Turtle().screen.delay(0)  # 【画的更快 可以注释掉】

        def drawX(a, i):
            angle = m.radians(i)
            return a * m.cos(angle)

        def drawY(b, i):
            angle = m.radians(i)
            return b * m.sin(angle)

        # 设置背景颜色，窗口位置以及大小  可以放到__init__里面
        t.bgcolor("#d3dae8")
        t.setup(500, 800)
        t.penup()
        t.goto(150, 0)
        t.pendown()

        def layer_0():  # 第一层蛋糕

            # 蛋糕第一层白色糕身
            t.pencolor("white")
            t.fillcolor("#fef5f7")
            t.begin_fill()
            for i in range(180):
                x = drawX(150, i)
                y = drawY(-60, i)-120
                t.goto(x, y)
            t.goto(x, y+120)

            for i in range(180):
                x = drawX(-150, i)
                y = drawY(60, i)
                t.goto(x, y)
            t.end_fill()

            # 蛋糕第一层的顶部奶油（粉色）
            t.pencolor("#f2d7dd")
            t.begin_fill()
            for i in range(360):
                x = drawX(150, i)
                y = drawY(60, i)
                t.goto(x, y)
            t.fillcolor("#f2d7dd")  # 奶油色
            t.end_fill()

            # 粉色奶油下溢（类似于瀑布蛋糕）
            t.begin_fill()
            t.pensize(4)
            t.pencolor("#f2d7dd")
            for i in range(1800):
                x = drawX(150, 0.1 * i)
                y = drawY(-20, i) - 85
                t.goto(x, y)
            t.goto(-150, 0)
            t.pensize(1)
            for i in range(0, 180):
                x = drawX(-150, i)
                y = drawY(-60, i)
                t.goto(x, y)
            t.fillcolor("#f2d7dd")
            t.end_fill()

        def layer_1():  # 第二层蛋糕
        
            # 第二层蛋糕打底rose_pink色
            t.pencolor("#ffa79d")  # rose_pink
            t.begin_fill()
            t.pu()
            t.goto(120, 0)
            t.pd()
            t.begin_fill()
            for i in range(360):
                x = drawX(120, i)
                y = drawY(48, i)
                t.goto(x, y)
            t.fillcolor("#ffa79d")
            t.end_fill()

            t.begin_fill()
            t.fillcolor("#ffa79d")

            for i in range(180):
                x = drawX(120, i)
                y = drawY(48, i) + 70
                t.goto(x, y)
            t.goto(-120, 0)

            t.end_fill()
            t.pu()
            t.goto(120, 70)

            # 浇头蓝色蛋糕
            t.pd()
            t.begin_fill()
            t.pencolor('#cbd9f9')  # "#cbd9f9" blue color
            for i in range(360):
                x = drawX(120, i)
                y = drawY(48, i) + 70
                t.goto(x, y)

            t.fillcolor("#cbd9f9")
            # t.end_fill()  # 可加可不加，加了第二层蛋糕顶端就是蓝色

            # 蓝色中心为顶向下浇浇头
            t.begin_fill()
            t.pensize(8)
            t.goto(120, 70)
            for s in range(0, 12):  # 相当于涂抹糕身的特效
                for i in range(180):
                    x = drawX(120, i)
                    y = drawY(-48, i) + 70-5*s
                    t.goto(x, y)
                for i in range(180):
                    x = drawX(-120, i)
                    y = drawY(-48, i)+70-5.1*s
                    t.goto(x, y)

            # 蓝色蛋糕的顶面白色涂层
            t.pu()
            t.goto(120, 70)
            t.pd()
            t.pencolor("#fff0f3")
            t.begin_fill()
            for i in range(360):
                x = drawX(120, i)
                y = drawY(48, i) + 70
                t.goto(x, y)
            t.fillcolor("#fff0f3")
            t.end_fill()

            # 蓝色蛋糕的顶面白色涂层里的涂层
            t.pu()
            t.goto(110, 70)
            t.pd()
            t.pencolor("#fff9fb")
            t.begin_fill()
            for i in range(360):
                x = drawX(110, i)
                y = drawY(44, i) + 70
                t.goto(x, y)
            t.fillcolor("#fff9fb")
            t.end_fill()

            # 第二层蛋糕圆弧部分（类似于瀑布蛋糕）
            t.pu()
            t.goto(120, 70)
            t.pd()
            t.begin_fill()
            t.pensize(4)
            t.pencolor("#fff0f3")
            for i in range(1800):
                x = drawX(120, 0.1 * i)
                y = drawY(-18, i) + 10
                t.goto(x, y)
            t.goto(-120, 70)
            t.pensize(1)
            for i in range(180, 360):
                x = drawX(120, i)
                y = drawY(48, i) + 70
                t.goto(x, y)
            t.fillcolor("#fff0f3")
            t.end_fill()

        def layer_2():  # 第三层棕色蛋糕部分

            # 棕色蛋糕糕身
            t.pencolor("#6f3732")
            t.pu()
            t.goto(80, 70)
            t.pd()
            t.begin_fill()
            t.pencolor("#6f3732")
            t.goto(80, 120)
            for i in range(180):
                x = drawX(80, i)
                y = drawY(32, i) + 120
                t.goto(x, y)
            t.goto(-80, 70)
            for i in range(180, 360):
                x = drawX(80, i)
                y = drawY(32, i) + 70
                t.goto(x, y)
            t.fillcolor("#6f3732")
            t.end_fill()

            # 棕色蛋糕的表面涂层
            t.pu()
            t.goto(80, 120)
            t.pd()
            t.pencolor("#ffaaa0")
            t.begin_fill()
            for i in range(360):
                x = drawX(80, i)
                y = drawY(32, i) + 120
                t.goto(x, y)
            t.fillcolor("#ffaaa0")
            t.end_fill()

            # 涂层内圈
            t.pu()
            t.goto(70, 120)
            t.pd()
            t.pencolor("#ffc3be")
            t.begin_fill()
            for i in range(360):
                x = drawX(70, i)
                y = drawY(28, i) + 120
                t.goto(x, y)
            t.fillcolor("#ffc3be")
            t.end_fill()

            # 第二层涂层圆弧部分（类似于瀑布蛋糕）
            t.pu()
            t.goto(80, 120)
            t.pd()
            t.begin_fill()
            t.pensize(3)
            t.pencolor("#ffaaa0")
            for i in range(1800):
                x = drawX(80, 0.1 * i)
                y = drawY(-12, i) + 80
                t.goto(x, y)
            t.goto(-80, 120)
            t.pensize(1)
            for i in range(180, 360):
                x = drawX(80, i)
                y = drawY(32, i) + 120
                t.goto(x, y)
            t.fillcolor("#ffaaa0")
            t.end_fill()

        def candle_part():  # 蜡烛
            t.pu()
            t.goto(0, 120)
            t.pd()
            t.pencolor("#b1c9e9")
            t.begin_fill()
            for i in range(360):
                x = drawX(4, i)
                y = drawY(1, i) + 130
                t.goto(x, y)
            t.goto(4, 180)
            for i in range(540):
                x = drawX(4, i)
                y = drawY(1, i) + 180
                t.goto(x, y)
            t.goto(-4, 130)
            t.fillcolor("#b1c9e9")
            t.end_fill()
            t.pencolor("white")
            t.pensize(2)
            for i in range(1, 6):
                t.goto(4, 130 + 10 * i)
                t.pu()
                t.goto(-4, 130 + 10 * i)
                t.pd()
            t.pu()
            t.goto(0, 180)
            t.pd()
            t.goto(0, 190)
            t.pensize(1)
            t.pu()
            t.goto(4, 200)
            t.pd()

            # 火焰部分
            t.pencolor("#F160AD")
            t.begin_fill()
            for i in range(360):
                ii = r.randint(0, 1)  # 模拟火焰大小随机形状
                if ii == 0:
                    x = drawX(4, i) + r.random()
                else:
                    x = drawX(4, i) - r.random()
                y = drawY(10, i) + 200
                t.goto(x, y)
            t.fillcolor("#F160AD")
            t.end_fill()

        # 随机星星点点
        def writing():
            color = ["#e28cb9", "#805a8c", "#eaa989", "#6e90b7", "#b8b68f", "#e174b5", "#cf737c", "#7c8782"]

            # 棕色蛋糕部分
            for i in range(24):  # 个人私设的小彩蛋，Ta的生日多大就有多少个小星星，你们开心就好
                t.pu()
                x = r.randint(-80, 80)
                y = r.randint(60, 90)
                t.goto(x, y)
                t.pd()
                t.dot(r.randint(2, 5), color[r.randint(0, 7)])

            # 背景板的星星点点（可加可不加,我个人不喜欢）
            # for i in range(50):
            #     t.pu()
            #     x = r.randint(-500, 500)
            #     y = r.randint(150, 300)
            #     t.goto(x, y)
            #     t.pd()
            #     t.dot(r.randint(3, 5), color[r.randint(0, 7)])

            t.seth(90)
            t.pu()
            t.goto(0, 0)
            t.fd(210)
            t.left(90)
            t.fd(200)
            t.pd()

            # 祝福文字
            t.pencolor('white')
            t.write("Happy Birthday to You", font=("Freeport", 50))  # 可以自己导入喜欢的字体
            t.done()


        layer_0()
        layer_1()
        layer_2()
        candle_part()
        writing()
        t.done()


if __name__ == '__main__':
    happy_birthday = Greeting()
    happy_birthday.run()