41 lines
703 B
C
41 lines
703 B
C
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#include <MiniFB.h>
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#define WIDTH 800
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#define HEIGHT 600
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static unsigned int s_buffer[WIDTH * HEIGHT];
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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int main()
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{
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int noise, carry, seed = 0xbeef;
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if (!mfb_open("Noise Test", WIDTH, HEIGHT))
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return 0;
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while (1)
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{
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int i, state;
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for (i = 0; i < WIDTH * HEIGHT; ++i)
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{
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noise = seed;
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noise >>= 3;
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noise ^= seed;
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carry = noise & 1;
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noise >>= 1;
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seed >>= 1;
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seed |= (carry << 30);
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noise &= 0xFF;
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s_buffer[i] = MFB_RGB(0, noise, 0);
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}
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state = mfb_update(s_buffer);
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if (state < 0 || state == MFB_KEY_ESC)
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break;
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}
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mfb_close();
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}
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