67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/**
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* Copyright 2020 <Lex Fridman>
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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* THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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**/
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#include <cmath>
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#include <cstdio>
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#include <cstring>
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#include <unistd.h>
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using namespace std;
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int main() {
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float A = 0, B = 0;
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float i, j;
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int k;
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float z[1790];
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char b[1990];
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printf("\x1b[2J");
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for (;;) {
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memset(b, 32, 1990);
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memset(z, 0, 7040);
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for (j = 0; j < 6.28; j += 0.07) {
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for (i = 0; i < 6.28; i += 0.02) {
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float c = sin(i);
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float d = cos(j);
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float e = sin(A);
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float f = sin(j);
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float g = cos(A);
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float h = d + 2;
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float D = 1 / (c * h * e + f * g + 5);
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float l = cos(i);
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float m = cos(B);
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float n = sin(B);
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float t = c * h * g - f * e;
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int x = 40 + 30 * D * (l * h * m - t * n);
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int y = 12 + 15 * D * (l * h * n + t * m);
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int o = x + 80 * y;
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int N = 8 * ((f * e - c * d * g) * m - c * d * e - f * g - l * d * n);
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if (22 > y && y > 0 && x > 0 && 80 > x && D > z[o]) {
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z[o] = D;
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b[o] = ".,-~:;=!*#$@"[N > 0 ? N : 0];
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}
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}
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}
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printf("\x1b[H");
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for (k = 0; k < 1991; k++) {
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putchar(k % 80 ? b[k] : 10);
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A += 0.00004;
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B += 0.00002;
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}
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usleep(30000);
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}
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return 0;
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}
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