（一）C语言实现多彩的心

实现过程其实很简单

首先使用for循环绘制心形

for (y = 1.5f; y > -1.5f; y -= 0.1f) { for (x = -1.5f; x < 1.5f; x += 0.05f) { z = x * x + y * y - 1; f = z * z * z - x * x * y * y * y; putchar(f <= 0.0f ? "*"[(int)(f * -8.0f)] : ' '); } putchar('\n'); } 

然后使用for循环进行切换cmd窗口颜色就可以做到

讯享网for (time = 0; time < ; time++); system("color b"); 

完整代码如下：

讯享网

#include <stdio.h> #include <math.h> #include <stdlib.h> #define I 20 #define R 340 #include <string.h> int main() { char answer[10]; printf(" 自从遇见了你，就不停地想你\n"); printf(" 编一个死循环\n 让我们一直走，一直走。"); printf(" 如果你也愿意\n 输入yes,你可以看到我的真心\n"); scanf("%s", answer); if (!(answer[0] == 'y' && answer[1] == 'e' && answer[2] == 's')) { printf("555 \n"); return 0; } //首先使用for循环打印出心形 float y, x, z, f; for (y = 1.5f; y > -1.5f; y -= 0.1f) { for (x = -1.5f; x < 1.5f; x += 0.05f) { z = x * x + y * y - 1; f = z * z * z - x * x * y * y * y; putchar(f <= 0.0f ? "*"[(int)(f * -8.0f)] : ' '); } putchar('\n'); } //循环变色 long time; for (;;) { system("color a"); for (time = 0; time < ; time++); system("color b"); for (time = 0; time < ; time++); system("color c"); for (time = 0; time < ; time++); system("color d"); for (time = 0; time < ; time++); system("color e"); for (time = 0; time < ; time++); system("color f"); for (time = 0; time < ; time++); system("color 0"); for (time = 0; time < ; time++); system("color 1"); for (time = 0; time < ; time++); system("color 2"); for (time = 0; time < ; time++); system("color 3"); for (time = 0; time < ; time++); system("color 4"); for (time = 0; time < ; time++); system("color 5"); for (time = 0; time < ; time++); system("color 6"); for (time = 0; time < ; time++); system("color 7"); for (time = 0; time < ; time++); system("color 8"); for (time = 0; time < ; time++); system("color 9"); } getchar(); return 0; } 

效果如下：

（二）如何让心跳动起来

一颗不会动的心怎么能显得足够真（zhuang）诚（B）呢？

让我们使用数学函数巧妙地让这颗心动起来。

完整代码如下：

讯享网#include <stdio.h> #include <math.h> #include <windows.h> #include <tchar.h> #include <stdlib.h> #include <string.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() { HANDLE o = GetStdHandle(STD_OUTPUT_HANDLE); _TCHAR buffer[25][80] = { _T(' ') }; _TCHAR ramp[] = _T(".:-=++#%@"); //心 每层使用的字符 int is = 0; for (float t = 0.0f;; t += 0.1f) { //两种颜色循环切换 is++; if(is%2==0)system("color d"); else system("color c"); int sy = 0; float s = sinf(t); float a = s * s * s * s * 0.2f; //生成当前心的形态 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); //如果是在心的范围中间 就计算对应的层 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)]; } //如果不在直接添加空格 else *p++ = ' '; } } //将当前的心形打印出来 按行打印 for (sy = 0; sy < 25; sy++) { COORD coord = { 0, sy }; SetConsoleCursorPosition(o, coord); WriteConsole(o, buffer[sy], 79, NULL, 0); //if(sy ==12 )printf("520"); } Sleep(33); } } 

效果如下：