目录
一、初级版
二、进阶版
一、初级版
#include<stdio.h>#include<math.h>#include<windows.h>int main(){double x, y, z;for (y = 1.5; y > -1.5; y -= 0.1){for (x = -1.5; x < 1.5; x += 0.05){z = x * x + y * y - 1;putchar(z * z * z - x * x * y * y * y <= 0.0 ? '*' : ' ');}system("color 0c");putchar('\n');}return 0;}
二、进阶版
#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() {HANDLE o = GetStdHandle(STD_OUTPUT_HANDLE);_TCHAR buffer[25][80] = { _T(' ')};_TCHAR ramp[] = _T(".:-=+*#%@");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)];}else*p++ = ' ';}}for (sy = 0; sy < 25; sy++) {COORD coord = { 0, sy };SetConsoleCursorPosition(o, coord);WriteConsole(o, buffer[sy], 79, NULL, 0);}Sleep(33);}}
