diff options
| -rwxr-xr-x | lolcat.c | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -140,8 +140,6 @@ int main(int argc, char** argv) } } - if (rgb) - freq_h /= 10; int rand_offset = 0; if (random) { srand(time(NULL)); @@ -191,12 +189,18 @@ int main(int argc, char** argv) if (c == '\n') { l++; i = 0; + } else { if (rgb) { - uint8_t red = sin(((i += wcwidth(c)) * freq_h + l * freq_v) + 0 ) * 127 + 128; - uint8_t green = sin(((i += wcwidth(c)) * freq_h + l * freq_v) + 2 * M_PI / 3 ) * 127 + 128; - uint8_t blue = sin(((i += wcwidth(c)) * freq_h + l * freq_v) + 4 * M_PI / 3 ) * 127 + 128; + i += wcwidth(c); + float theta = i * freq_h / 5.0f + l * freq_v; + float offset = 0.1; + + uint8_t red = lrintf((offset + (1.0f - offset) * (0.5f + 0.5f * sin(theta + 0 ))) * 255.0f); + uint8_t green = lrintf((offset + (1.0f - offset) * (0.5f + 0.5f * sin(theta + 2 * M_PI / 3 ))) * 255.0f); + uint8_t blue = lrintf((offset + (1.0f - offset) * (0.5f + 0.5f * sin(theta + 4 * M_PI / 3 ))) * 255.0f); wprintf(L"\033[38;2;%d;%d;%dm", red, green, blue); + } else { int ncc = offx * ARRAY_SIZE(codes) + (int)((i += wcwidth(c)) * freq_h + l * freq_v); if (cc != ncc) |