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Add random support for rgb mode

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jaseg 2020-12-25 15:38:30 +01:00
parent a924f2a523
commit e6103e70be
1 changed files with 1 additions and 1 deletions
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lolcat.c
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@ -196,7 +196,7 @@ int main(int argc, char** argv)
} else {
if (rgb) {
i += wcwidth(c);
float theta = i * freq_h / 5.0f + l * freq_v + offx * M_PI;
float theta = i * freq_h / 5.0f + l * freq_v + (offx + 2.0f * rand_offset / RAND_MAX) * M_PI;
float offset = 0.1;
uint8_t red = lrintf((offset + (1.0f - offset) * (0.5f + 0.5f * sin(theta + 0 ))) * 255.0f);