python中有很多方法去畫心形圖用來表白，其中最典型的就是數學中心型曲線：r=a(1-sinθ)，下面就總結以下python中那些畫心形圖的方法，末尾有一個完美的表白工具，可以直接使用，
數學中美麗的心形線：r=a(1-sinθ)
import numpy as np
import matplotlib.pyplot as plt
T = np.linspace(0, 2 * np.pi, 1024) # 角度范圍 0-2*pi，劃為1024等份
plt.axes(polar=True) # 開啟極坐標模式
plt.plot(T, 1. - np.sin(T), color="r")
plt.show()
利用python的turtle教你動態的愛心圖表白
import turtle
turtle.color('red', 'pink')
turtle.pensize(2)
turtle.pendown()
turtle.setheading(150)
turtle.begin_fill()
turtle.fd(50)
turtle.circle(50 * -3.745, 45)
turtle.circle(50 * -1.431, 165)
turtle.left(120)
turtle.circle(50 * -1.431, 165)
turtle.circle(50 * -3.745, 45)
turtle.fd(50)
turtle.end_fill()
利用python的plt教你畫漸變顏色愛心圖表白
import matplotlib.pyplot as plt
from matplotlib import animation
import numpy as np
import math
t = np.linspace(0, math.pi, 1000)
x = np.sin(t)
y = np.cos(t) + np.power(x, 2.0 / 3) # 心型曲線的引數方程
plt.scatter(x, y, c=y, cmap=plt.cm.Reds, edgecolor='none', s=40)
plt.scatter(-x, y, c=y, cmap=plt.cm.Reds, edgecolor='none', s=40) # 漸變顏色曲線
# 填充曲線
plt.fill(x, y, 'r', alpha=0.6)
plt.fill(-x, y, 'r', alpha=0.6)
plt.axis([-2, 2, -2, 2]) # 坐標軸范圍
plt.title("I love you", fontsize=30)
# 取消坐標軸顯示
plt.axis('off')
# 保存檔案
plt.savefig("?圖1.png") # 在 plt.show() 之前呼叫 plt.savefig()
plt.show()
alpha=0
alpha=0.3
alpha=0.6
利用python的plt教你畫3D愛心圖表白
# coding=utf-8
# 3D心形
import matplotlib.pyplot as plt
import numpy as np
import matplotlib
matplotlib.rcParams['axes.unicode_minus'] = False
def heart_3d(x, y, z):
return (x**2+(9/4)*y**2+z**2-1)**3-x**2*z**3-(9/80)*y**2*z**3
def plot_implicit(fn, bbox=(-1.5, 1.5)):
xmin, xmax, ymin, ymax, zmin, zmax = bbox*3
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
A = np.linspace(xmin, xmax, 100) # 輪廓解析度
B = np.linspace(xmin, xmax, 40) # 切片數量
A1, A2 = np.meshgrid(A, A) # 繪制等高線的網格
for z in B: # 在XY平面繪制等高線
X, Y = A1, A2
Z = fn(X, Y, z)
cset = ax.contour(X, Y, Z+z, [z], zdir='z', colors=('r',))
for y in B: # 在XZ平面繪制等高線
X, Z = A1, A2
Y = fn(X, y, Z)
cset = ax.contour(X, Y+y, Z, [y], zdir='y', colors=('red',))
for x in B: # 在YZ平面繪制等高線
Y, Z = A1, A2
X = fn(x, Y, Z)
cset = ax.contour(X+x, Y, Z, [x], zdir='x',colors=('red',))
ax.set_zlim3d(zmin, zmax)
ax.set_xlim3d(xmin, xmax)
ax.set_ylim3d(ymin, ymax)
# 標題
plt.title("I love you", fontsize=30)
# 取消坐標軸顯示
plt.axis('off')
# 保存檔案
plt.savefig("3D_?圖.png") # 在 plt.show() 之前呼叫 plt.savefig()
plt.show()
if __name__ == '__main__':
plot_implicit(heart_3d)
利用python一行代碼教你畫愛心圖表白
print('\n'.join([''.join([('ILOVEYOUWP'[(x-y) % 10]if((x*0.05)**2+(y*0.1)**2-1)**3-(x*0.05)**2*(y*0.1)**3<=0 else' ')for x in range(-60,60)])for y in range(30,-30,-1)]))
利用python幾行代碼教你畫愛心圖表白
import time
ILY = input('請輸入你想對她說的話:')
for item in ILY.split():
print('\n'.join([''.join([(item[(x-y) % len(item)] if ((x*0.05)**2+(y*0.1)**2-1)**3-(x*0.05)**2*(y*0.1)**3 <= 0 else ' ') for x in range(-60, 60)]) for y in range(30, -30, -1)]))
time.sleep(3);
完美表白工具
import turtle
import time
# 清屏函式
def clear_all():
turtle.penup()
turtle.goto(0, 0)
turtle.color('white')
turtle.pensize(800)
turtle.pendown()
turtle.setheading(0)
turtle.fd(300)
turtle.bk(600)
# 重定位海龜的位置
def go_to(x, y, state):
turtle.pendown() if state else turtle.penup()
turtle.goto(x, y)
# 畫愛心
def draw_heart(size):
turtle.color('red', 'pink')
turtle.pensize(2)
turtle.pendown()
turtle.setheading(150)
turtle.begin_fill()
turtle.fd(size)
turtle.circle(size * -3.745, 45)
turtle.circle(size * -1.431, 165)
turtle.left(120)
turtle.circle(size * -1.431, 165)
turtle.circle(size * -3.745, 45)
turtle.fd(size)
turtle.end_fill()
# 畫出發射愛心的小人
def draw_people(x, y):
turtle.penup()
turtle.goto(x, y)
turtle.pendown()
turtle.pensize(2)
turtle.color('black')
turtle.setheading(0)
turtle.circle(60, 360)
turtle.penup()
turtle.setheading(90)
turtle.fd(75)
turtle.setheading(180)
turtle.fd(20)
turtle.pensize(4)
turtle.pendown()
turtle.circle(2, 360)
turtle.setheading(0)
turtle.penup()
turtle.fd(40)
turtle.pensize(4)
turtle.pendown()
turtle.circle(-2, 360)
turtle.penup()
turtle.goto(x, y)
turtle.setheading(-90)
turtle.pendown()
turtle.fd(20)
turtle.setheading(0)
turtle.fd(35)
turtle.setheading(60)
turtle.fd(10)
turtle.penup()
turtle.goto(x, y)
turtle.setheading(-90)
turtle.pendown()
turtle.fd(40)
turtle.setheading(0)
turtle.fd(35)
turtle.setheading(-60)
turtle.fd(10)
turtle.penup()
turtle.goto(x, y)
turtle.setheading(-90)
turtle.pendown()
turtle.fd(60)
turtle.setheading(-135)
turtle.fd(60)
turtle.bk(60)
turtle.setheading(-45)
turtle.fd(30)
turtle.setheading(-135)
turtle.fd(35)
turtle.penup()
# 第一個畫面，顯示文字
def page0():
turtle.penup()
turtle.goto(-350, 0)
turtle.color('red')
turtle.write('有你生活成繽紛多彩', font=('宋體', 60, 'normal'))
turtle.penup()
turtle.goto(-160, -180)
draw_heart(30)
turtle.penup()
turtle.goto(0, -180)
draw_heart(30)
turtle.penup()
turtle.goto(160, -180)
draw_heart(30)
time.sleep(3)
# 第二個畫面，顯示發射愛心的小人
def page1():
turtle.speed(10)
turtle.penup()
turtle.goto(-200, -200)
turtle.color('red')
turtle.pendown()
turtle.write('WYJ WP', font=('wisdom', 50, 'normal'))
turtle.penup()
turtle.goto(0, -180)
draw_heart(10)
draw_people(-250, 20)
turtle.penup()
turtle.goto(-150, -30)
draw_heart(14)
turtle.penup()
turtle.goto(-20, -60)
draw_heart(25)
turtle.penup()
turtle.goto(250, -100)
draw_heart(45)
turtle.hideturtle()
# 寫送給誰
turtle.pencolor("PINK")
turtle.penup()
turtle.goto(300, 200)
turtle.write(str, move=False, align='center', font=("方正舒體", 30, 'normal'))
time.sleep(3)
def main():
turtle.setup(900, 500)
page0()
clear_all()
page1()
clear_all()
turtle.done()
if __name__ == '__main__':
str = input('請輸入表白語：')
main()
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