python: 蝴蝶跟随鼠标

 

# encoding: utf-8 
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : PyCharm 2024.3.6 python 3.11
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/3/28 14:00 
# User      :  geovindu
# Product   : PyCharm
# Project   : Pysimple
# File      : buttyerfly4.py
import turtle as tur
import random
import math


# 颜色
color1 = "#f6aa0c"
color2 = "#0099ff"
color3 = "#f83079"
color4 = "#72e7fb"

# ===================== 飞行参数 =====================
tx, ty = 0, 0
bx, by = 0, 0
frame = 0
stars = []



# ===================== 你原版完整蝴蝶（100% 对称） =====================
def go_to(pos:float):
    """

    :param pos:
    :return:
    """
    tur.up()
    tur.goto(pos[0], pos[1])
    tur.down()

def rel_pos(x:float,y:float):
    """

    :param x:
    :param y:
    :return:
    """
    tur.up()
    tur.goto(tur.pos()+(x,y))
    tur.down()

def draw_oval(width:float, height:float, color:str):
    """

    :param width:
    :param height:
    :param color:
    :return:
    """
    tur.fillcolor(color)
    tur.begin_fill()
    for _ in range(2):
        tur.circle(height/2, 45)
        tur.circle(width/2, 135)
    tur.end_fill()

def draw_heart(size:float):
    """

    :param size:
    :return:
    """
    tur.left(50)
    tur.forward(size)
    tur.circle(size * 0.5, 200)
    tur.right(140)
    tur.circle(size * 0.5, 200)
    tur.forward(size+5)
    tur.left(50)

def rightwings(top_pos:float, flap:float):
    """

    :param top_pos:
    :param flap:
    :return:
    """
    go_to(top_pos)
    tur.seth(-65 + flap)
    tur.circle(-200,35)
    cur_pos = tur.pos()
    tur.begin_fill()
    tur.fillcolor(color1)
    draw_heart(100)
    tur.end_fill()
    go_to((cur_pos[0],cur_pos[1] + 20))
    tur.begin_fill()
    tur.fillcolor(color2)
    draw_heart(80)
    tur.end_fill()
    rel_pos(60,-70)
    tur.seth(-45)
    draw_oval(20,50,color3)
    rel_pos(-25,30)
    draw_oval(10, 30, color3)
    rel_pos(-10, -15)
    draw_oval(10,20,color4)
    go_to(top_pos)
    tur.seth(-65 + flap)
    tur.circle(-200,20)
    cur_pos = tur.pos()
    tur.begin_fill()
    tur.fillcolor(color1)
    draw_heart(100)
    tur.end_fill()
    go_to(cur_pos)
    tur.begin_fill()
    tur.fillcolor(color2)
    draw_heart(80)
    tur.end_fill()
    rel_pos(50,30)
    tur.seth(10)
    draw_oval(10,60,color3)
    rel_pos(40,-5)
    draw_oval(20,60,color4)
    rel_pos(-10,-40)
    draw_oval(20,40,color3)
    tur.seth(-45)
    rel_pos(0,-45)
    draw_oval(10,80,color4)
    rel_pos(-30,20)
    draw_oval(10,30,color4)
    rel_pos(-30,30)
    draw_oval(25,30,color3)

def leftWings(top_pos:float, flap:float):
    """

    :param top_pos:
    :param flap:
    :return:
    """
    go_to(top_pos)
    tur.seth(-110 - flap)
    tur.circle(200,22)
    cur_pos = tur.pos()
    tur.seth(100)
    tur.begin_fill()
    tur.fillcolor(color1)
    draw_heart(100)
    tur.end_fill()
    go_to((cur_pos[0], cur_pos[1] + 10))
    tur.begin_fill()
    tur.fillcolor(color2)
    draw_heart(80)
    tur.end_fill()
    rel_pos(-80, -45)
    tur.seth(-135)
    draw_oval(20, 50, color3)
    rel_pos(25,30)
    draw_oval(10,30,color4)
    rel_pos(30,10)
    draw_oval(10,20,color3)
    go_to(top_pos)
    tur.seth(-110 - flap)
    tur.circle(200,5)
    cur_pos = tur.pos()
    tur.seth(90)
    tur.begin_fill()
    tur.fillcolor(color1)
    draw_heart(100)
    tur.end_fill()
    go_to((cur_pos[0], cur_pos[1] -15))
    tur.begin_fill()
    tur.fillcolor(color2)
    draw_heart(80)
    tur.end_fill()
    rel_pos(-90,50)
    tur.seth(110)
    draw_oval(10,60,color4)
    rel_pos(40,-5)
    draw_oval(20,60,color4)
    rel_pos(-10,-40)
    draw_oval(20,40,color3)
    tur.seth(-150)
    rel_pos(-29,-30)
    draw_oval(10,80,color4)
    rel_pos(-30,20)
    draw_oval(10,30, color3)
    rel_pos(90,15)
    draw_oval(10,30,color3)

def drawWings(top_pos:float, flap:float):
    """

    :param top_pos:
    :param flap:
    :return:
    """
    rightwings(top_pos, flap)
    leftWings(top_pos, flap)

def drawButterfly(x:float, y:float, flap:float):
    """

    :param x:
    :param y:
    :param flap:
    :return:
    """
    tur.penup()
    tur.goto(x, y)
    tur.pendown()
    tur.seth(70)
    tur.circle(200,45)
    top_pos = tur.pos()
    tur.seth(-110)
    tur.circle(200,45)
    go_to(top_pos)
    tur.seth(0)
    tur.begin_fill()
    tur.fillcolor(color2)
    tur.circle(10)
    tur.end_fill()
    tur.circle(10, 180)
    tur.width(3)
    cur_pos = tur.pos()
    tur.seth(90)
    tur.circle(50,60)
    go_to(cur_pos)
    tur.seth(90)
    tur.circle(-50,60)
    tur.width(2)
    drawWings(top_pos, flap)
    go_to((x, y))
    tur.begin_fill()
    tur.fillcolor(color1)
    tur.seth(70)
    tur.circle(200,45)
    top_pos = tur.pos()
    tur.seth(-110)
    tur.circle(200,45)
    tur.end_fill()
    tur.begin_fill()
    tur.fillcolor(color3)
    tur.seth(70)
    tur.circle(200,20)
    tur.seth(180)
    tur.forward(30)
    tur.seth(-85)
    tur.circle(200,20)
    tur.end_fill()
    tur.begin_fill()
    tur.fillcolor(color1)
    tur.seth(70)
    tur.circle(200,15)
    tur.seth(180)
    tur.forward(27)
    tur.seth(-81)
    tur.circle(200,15)
    tur.end_fill()
    go_to((x, y))
    tur.begin_fill()
    tur.fillcolor(color4)
    tur.seth(70)
    tur.circle(200, 10)
    tur.seth(180)
    tur.forward(20)
    tur.seth(-75)
    tur.circle(200,10)
    tur.end_fill()



# ===================== 鼠标点击跟随 =====================
def on_click(x:float, y:float):
    """

    :param x:
    :param y:
    :return:
    """
    global tx, ty
    tx, ty = x, y



# ===================== 动画：飞 + 扇动 + 闪烁 =====================
def animate():
    """

    :return:
    """
    global frame, bx, by
    frame += 1
    tur.clear()

    # 星光闪烁
    for s in stars:
        t, size, color, phase = s
        phase += 0.15
        s[3] = phase
        r = size * (0.5 + abs(math.sin(phase)))
        t.dot(max(1, r), color)

    # 蝴蝶飞行
    bx += (tx - bx) * 0.12
    by += (ty - by) * 0.12

    # 翅膀扇动
    flap = math.sin(frame * 0.3) * 10

    # 画完整蝴蝶
    drawButterfly(bx, by, flap)

    tur.update()
    tur.ontimer(animate, 30)


def main():
    # ===================== 窗口 =====================
    tur.setup(1000, 700)
    tur.title("🦋 漂亮蝴蝶 - 会飞 + 扇动翅膀 + 星光闪烁")
    tur.bgcolor("#050a15")
    tur.tracer(0)
    tur.width(2)
    tur.hideturtle()

    # ===================== 星光（永久闪烁） =====================
    for _ in range(200):
        t = tur.Turtle()
        t.hideturtle()
        t.penup()
        t.goto(random.randint(-480, 480), random.randint(-320, 320))
        size = random.uniform(1.5, 4)
        color = random.choice(["white", "#cceeff", "#e6ccff", "#fff9cc"])
        stars.append([t, size, color, random.uniform(0, 6.28)])

# ===================== 主程序 =====================
if __name__ == '__main__':

    main()

    tur.onscreenclick(on_click)

    # ===================== 启动 =====================
    animate()
    tur.done()