python爱心代码_from math import sin, cos,pi,log

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 = "#FFC0CB" #ff2121  #FFC0CB

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))

    x *= shrink_ratio
    y *= shrink_ratio

    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,