diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rwxr-xr-x[-rw-r--r--] | lolcat.c | 19 |
2 files changed, 17 insertions, 4 deletions
@@ -2,7 +2,7 @@ CC ?= gcc LOLCAT_SRC ?= lolcat.c CENSOR_SRC ?= censor.c -CFLAGS ?= -std=c11 -Wall -Wextra -O3 -Wno-sign-compare +CFLAGS ?= -std=c11 -Wall -Wextra -O3 -Wno-sign-compare -lm DESTDIR ?= /usr/local/bin @@ -27,6 +27,7 @@ #include <unistd.h> #include <wchar.h> #include <time.h> +#include "math.h" static char helpstr[] = "\n" "Usage: lolcat [-h horizontal_speed] [-v vertical_speed] [--] [FILES...]\n" @@ -97,6 +98,7 @@ int main(int argc, char** argv) int colors = isatty(STDOUT_FILENO); int force_locale = 1; int random = 0; + int rgb = 1; double freq_h = 0.23, freq_v = 0.1; struct timeval tv; @@ -127,6 +129,8 @@ int main(int argc, char** argv) force_locale = 0; } else if (!strcmp(argv[i], "-r")) { random = 1; + } else if (!strcmp(argv[i], "-8bits")) { + rgb = 0; } else if (!strcmp(argv[i], "--version")) { version(); } else { @@ -136,6 +140,8 @@ int main(int argc, char** argv) } } + if (rgb) + freq_h /= 10; int rand_offset = 0; if (random) { srand(time(NULL)); @@ -186,9 +192,16 @@ int main(int argc, char** argv) l++; i = 0; } else { - int ncc = offx * ARRAY_SIZE(codes) + (int)((i += wcwidth(c)) * freq_h + l * freq_v); - if (cc != ncc) - wprintf(L"\033[38;5;%hhum", codes[(rand_offset + (cc = ncc)) % ARRAY_SIZE(codes)]); + 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; + 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) + wprintf(L"\033[38;5;%hhum", codes[(rand_offset + (cc = ncc)) % ARRAY_SIZE(codes)]); + } } } } |