#include <iostream>
#include <thread>
#include <cmath>
#include <vector>
using namespace std;
const int N=1024;
const int level=8;
unsigned char tab[1024][1024][3];
void triangle(int lvl, int x, int y) {
int size=N/pow(2,lvl);
for(int i=0;i<size;i++)//pionowe //wysokosc = y
for (int j=0;j<size;j++)//poziome // szerokosc = x
if (i == j || i == 0 || j == size - 1)
for (int k=0;k<3;k++)
{
tab[j + x][i + y][k] = 0;
tab[i + y][j + x][k] = 0;
}
if(lvl<level)
{
vector<thread> v;
v.push_back(thread(triangle, lvl + 1, x + size / 2, y));
v.push_back(thread(triangle, lvl + 1, x, y));
v.push_back(thread(triangle, lvl + 1, x + size / 2, y + size / 2));
for (int i = 0; i < v.size(); i++)
v[i].join();
}
}
int main() {
for(int i=0;i<N;i++)
for (int j=0;j<N;j++)
for (int k=0;k<3;k++)
tab[j][i][k] = 255;
triangle(0, 0, 0);
FILE *fp = fopen("39247_lab3.ppm", "wb");
fprintf(fp, "P6n %sn %dn %dn %dn", " #", N, N, 255);
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
fwrite(tab[i][j], 1, 3, fp);
fclose(fp);
return 0;
}
Replies to Untitled
Title |
Name |
Language |
UNIX |
When |
Re: Untitled |
Sludgy Marmoset |
text |
1616447714 |
3 Years ago. |
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