让a=x^2+y^2-1,那么aaa便是(x^2+y^2-1)^3,有数学定理易得(x^2+y^2-1)^3<=x^2y^3是为心形线里面的部分包括心形线,那么只要知足(x^2+y^2-1)^3<=x^2y^3就输出某个指定符号,不知足就输出空格,就可以得到由这个字符组成的爱心,下面我利用的是'v'当指定字符,用三目运算符判断是否知足(x^2+y^2-1)^3<=x^2y^3,把稳输出完一行要换行。
代码:
#include <stdio.h> int main() {for (float y = 2.0f; y > -2.0f; y -= 0.1f) {for (float x = -2.0f; x < 2.0f; x += 0.05f) {float a = x x + y y - 1;putchar(a a a - x x y y y <= 0.0f ? 'v' : ' ');} putchar('\n');}}
实行结果:
2.C措辞动态爱心代码
涉及知识点:
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),字体色)
SetConsoleTextAttribute()是Windows系统中一个可以设置掌握台窗口字体颜色和背景色的打算机函数,常用的几种颜色:
0=玄色 1=蓝色 2=绿色 4=赤色 3=湖蓝色 5=紫色 6=黄色 7=白色 8=灰色
sheep()
实行挂起一段韶光
代码:
#include <stdio.h>#include <math.h>#include <windows.h>#include <tchar.h> float f(float x, float y, float z) {float a = x x + 9.0f / 4.0f y y + z z - 1;return a a a - x x z z z - 9.0f / 80.0f y y z z z;} float h(float x, float z) {for (float y = 1.0f; y >= 0.0f; y -= 0.001f)if (f(x, y, z) <= 0.0f)return y; return 0.0f;} int main() {SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 0xc);//SetConsoleTextAttribute()是Windows系统中一个可以设置掌握台窗口字体颜色和背景色的打算机函数HANDLE o = GetStdHandle(STD_OUTPUT_HANDLE);// GetStdHandle()检索指定标准设备的句柄(标准输入、标准输出或标准缺点)_TCHAR buffer[25][80] = { _T(' ') };_TCHAR ramp[] = _T("vvvvvvvv");int count = 0;int count1 = 0; for (float t = 0.0f;; t += 0.1f) {int sy = 0;float s = sinf(t);float a = s s s s 0.2f; for (float z = 1.3f; z > -1.2f; z -= 0.1f) {_TCHAR p = &buffer[sy++][0];float tz = z (1.2f - a); for (float x = -1.5f; x < 1.5f; x += 0.05f) {float tx = x (1.2f + a);float v = f(tx, 0.0f, tz); if (v <= 0.0f) {float y0 = h(tx, tz);float ny = 0.01f;float nx = h(tx + ny, tz) - y0;float nz = h(tx, tz + ny) - y0;float nd = 1.0f / sqrtf(nx nx + ny ny + nz nz);float d = (nx + ny - nz) nd 0.5f + 0.5f;p++ = ramp[(int)(d 5.0f)];} elsep++ = ' ';}} for (sy = 0; sy < 25; sy++) {COORD coord = { 0, sy };SetConsoleCursorPosition(o, coord);//浸染是设置掌握台(cmd)光标位置WriteConsole(o, buffer[sy], 79, NULL, 0);//从当前光标位置开始,将字符串写入掌握台屏幕缓冲区} if (count <= 22) {printf("I Love You") ;//表白内容printf(" To CSDN");// 被表白者的名字count++;} else {printf("You Are My Best Lover.\n");count++; if (count >= 44) {count = 0;}} Sleep(36);//Sleep函数:实行挂起一段韶光,也便是等待一段韶光在连续实行}}
实行结果:
整理制作不易,大家记得点赞、关注+转发。感谢支持~
3.Python大略单纯爱心代码准备事情:
下载matplotlib软件包
涉及知识点:
np.linspace():用于返回指定区间等间隔的数组,例如np.linspace(0,2np.pi)便是0到2π等间隔的数组
np.sin():对中元素取正弦值
np.cos():对中元素取余弦值
plt.plot():是matplotlib.pyplot模块下的一个函数, 用于画图,它可以绘制点和线
plt.show():展示图像
事理:原始的心形线的极坐标方程为r=a(1-cos)
与其对应的参数方程是:
x()=2r(sin-(sin2)/2)
y()= 2r(cos-(cos2)/2),(0<=<=2π)
代码:
import numpy as npimport matplotlib.pyplot as pltt=np.linspace(0,2np.pi)#用于返回指定区间等间隔的数组x=21(np.cos(t)-np.cos(2t)/2)y=21(np.sin(t)-np.sin(2t)/2)plt.plot(y,x,c='purple')#c=''掌握颜色plt.show()
实行结果:
4.Python动态爱心代码
这个也是最还原的
代码:
import randomfrom math import sin, cos, pi, logfrom tkinter import \CANVAS\_WIDTH = 640 # 画布的宽CANVAS\_HEIGHT = 480 # 画布的高CANVAS\_CENTER\_X = CANVAS\_WIDTH / 2 # 画布中央的X轴坐标CANVAS\_CENTER\_Y = CANVAS\_HEIGHT / 2 # 画布中央的Y轴坐标IMAGE\_ENLARGE = 11 # 放大比例HEART\_COLOR = "#ff2121" # 心的颜色,这个是中国红def heart\_function(t, shrink\_ratio: float = IMAGE\_ENLARGE): """ “爱心函数天生器” :param shrink_ratio: 放大比例 :param t: 参数 :return: 坐标 """ # 根本函数 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 # 移到画布中心 x += CANVAS\_CENTER\_X y += CANVAS\_CENTER\_Y return int(x), int(y)def scatter\_inside(x, y, beta=0.15): """ 随机内部扩散 :param x: 原x :param y: 原y :param beta: 强度 :return: 新坐标 """ 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 - dydef shrink(x, y, ratio): """ 抖动 :param x: 原x :param y: 原y :param ratio: 比例 :return: 新坐标 """ force = -1 / (((x - CANVAS\_CENTER\_X) \\ 2 + (y - CANVAS\_CENTER\_Y) \\ 2) \\ 0.6) # 这个参数... dx = ratio \ force \ (x - CANVAS\_CENTER\_X) dy = ratio \ force \ (y - CANVAS\_CENTER\_Y) return x - dx, y - dydef curve(p): """ 自定义曲线函数,调度跳动周期 :param p: 参数 :return: 正弦 """ # 可以考试测验换其他的动态函数,达到更有力量的效果(贝塞尔?) return 2 \ (2 \ sin(4 \ p)) / (2 \ pi)class Heart: """ 爱心类 """ def \_\_init\_\_(self, generate_frame=20): self._points = set() # 原始爱心坐标凑集 self._edge_diffusion_points = set() # 边缘扩散效果点坐标凑集 self._center_diffusion_points = set() # 中央扩散效果点坐标凑集 self.all_points = {} # 每帧动态点坐标 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): # 爱心 for _ in range(number): t = random.uniform(0, 2 \ pi) # 随机不到的地方造成爱心有缺口 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): # 调度缩放比例 force = 1 / (((x - CANVAS\_CENTER\_X) \\ 2 + (y - CANVAS\_CENTER\_Y) \\ 2) \\ 0.520) # 邪术参数 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) # 调皮的周期的缩放比例 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() # 光环的点坐标凑集 for _ in range(halo_number): t = random.uniform(0, 2 \ pi) # 随机不到的地方造成爱心有缺口 x, y = heart\_function(t, shrink\_ratio=11.6) # 邪术参数 x, y = shrink(x, y, halo_radius) if (x, y) not in heart\_halo\_point: # 处理新的点 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() # 一个Tk canvas = Canvas(root, bg='black', height=CANVAS\_HEIGHT, width=CANVAS\_WIDTH) canvas.pack() heart = Heart() # 心 draw(root, canvas, heart) # 开始画画~ root.mainloop()
实行结果:
5.Python爱心泡泡
代码:
import turtleimport randomimport math# 初始化turtle.setup(1280, 720)t = turtle.Pen()t.ht()# 颜色colors = []t_list = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"]for i in t\_list: t_str = "#ff00" for j in t\_list: colors.append(t_str+i+j)class Love(): def \_\_init\_\_(self): # 定义变量 self.r = random.randint(4, 10) self.x = random.randint(-900, 700) self.y = random.randint(-400, 400) self.i = random.randint(0, 10) self.color = random.choice(colors) self.speed = random.randint(1, 8) def move(self): # 通过y坐标来掌握爱心 if self.y <= 500: self.y += 2.5\self.speed self.x = self.x + 1.5\math.sin(self.i)\math.sqrt(self.i)\self.speed self.i = self.i + 0.1 else: self.y = -700 self.r = random.randint(5, 20) self.x = random.randint(-900, 700) self.i = 0 self.color = random.choice(colors) self.speed = random.randint(1, 8) def draw(self): # 绘制爱心 t.pensize(self.r/2) t.penup() t.color(self.color, self.color) t.goto(self.x, self.y) t.pendown() # 设置角度 t.setheading(60) t.circle(self.r, 255) t.fd(2.4\self.r) t.left(90) t.fd(2.4\self.r) t.circle(self.r, 255)love = []for i in range(100): love.append(Love())turtle.bgcolor("#000000")while 1: turtle.tracer(0) t.clear() for i in range(80): love[i].move() love[i].draw() turtle.tracer(1)
实行结果:
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