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27 lines
617 B
27 lines
617 B
#include <fstream>
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#include <iostream>
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//#include "vec3.h"
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using namespace std;
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int main() {
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int width = 200;
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int height = 100;
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fstream file;
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file.open("ray.ppm", ios::out);
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file << "P3\n"
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<< width << " " << height << "\n255\n";
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for (int j = height - 1; j >= 0; j--) {
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for (int i = 0; i < width; i++) {
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float r = float(i) / float(width);
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float g = float(j) / float(height);
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float b = 0.2;
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file << int(r * 255) << " " << int(g * 255) << " " << int(b * 255) << "\n";
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}
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}
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return 0;
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} |