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geom.c: PoC fun with geometric shapes

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nick black 2020-01-25 22:21:47 -05:00
parent c04a68896c
commit c3d4ac8caa
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1 changed files with 135 additions and 0 deletions
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src/poc/geom.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <unistd.h>
#include <notcurses.h>
// fun with the Geometric Shapes
int main(void){
if(!setlocale(LC_ALL, "")){
fprintf(stderr, "Couldn't set locale\n");
return EXIT_FAILURE;
}
struct notcurses_options opts;
memset(&opts, 0, sizeof(opts));
opts.inhibit_alternate_screen = true;
struct notcurses* nc = notcurses_init(&opts, stdout);
if(nc == NULL){
return EXIT_FAILURE;
}
int y, x, dimy, dimx;
struct ncplane* n = notcurses_stdplane(nc);
ncplane_dim_yx(n, &dimy, &dimx);
// leave a 20% total margin on the sides
int margin = dimx / 5;
const int xl = margin / 2;
const int xr = dimx - xl;
int flipmode = 0;
struct timespec delay = { .tv_sec = 0, .tv_nsec = 250000000, };
while(true){
for(int i = xl ; i <= xr ; ++i){
if(ncplane_putwc_yx(n, 0, i, i % 2 == flipmode % 2 ? L'◪' : L'◩') <= 0){
goto err;
}
}
for(int i = xl ; i <= xr ; ++i){
wchar_t w;
switch(flipmode % 6){
case 0: w = L'🞯'; break;
case 1: w = L'🞰'; break;
case 2: w = L'🞱'; break;
case 3: w = L'🞲'; break;
case 4: w = L'🞳'; break;
case 5: w = L'🞴'; break;
default: goto err;
}
if(ncplane_putwc_yx(n, 1, i, w) <= 0){
goto err;
}
}
for(int i = xl ; i <= xr ; ++i){
wchar_t w;
switch((i + flipmode) % 5){
case 0: w = L'🞅'; break;
case 1: w = L'🞆'; break;
case 2: w = L'🞇'; break;
case 3: w = L'🞈'; break;
case 4: w = L'🞉'; break;
default: goto err;
}
if(ncplane_putwc_yx(n, 2, i, w) <= 0){
goto err;
}
}
for(int i = xl ; i <= xr ; ++i){
wchar_t w;
switch((flipmode + 5) % 6){
case 0: w = L'🞵'; break;
case 1: w = L'🞶'; break;
case 2: w = L'🞷'; break;
case 3: w = L'🞸'; break;
case 4: w = L'🞹'; break;
case 5: w = L'🞺'; break;
default: goto err;
}
if(ncplane_putwc_yx(n, 3, i, w) <= 0){
goto err;
}
}
for(int i = xl ; i <= xr ; ++i){
wchar_t w;
switch(flipmode % 11){
case 0: w = L'🞌'; break;
case 1: w = L'🞍'; break;
case 2: w = L'🞎'; break;
case 3: w = L'🞏'; break;
case 4: w = L'🞐'; break;
case 5: w = L'🞑'; break;
case 6: w = L'🞒'; break;
case 7: w = L'🞓'; break;
case 8: w = L'🞔'; break;
case 9: w = L'🞕'; break;
case 10: w = L'🞖'; break;
default: goto err;
}
if(ncplane_putwc_yx(n, 4, i, w) <= 0){
goto err;
}
}
for(int i = xl ; i <= xr ; ++i){
wchar_t w;
if(i % 2){
switch(flipmode % 4){
case 0: w = L'◴'; break;
case 1: w = L'◵'; break;
case 2: w = L'◶'; break;
case 3: w = L'◷'; break;
default: goto err;
}
}else{
switch(flipmode % 4){
case 0: w = L'◰'; break;
case 1: w = L'◳'; break;
case 2: w = L'◲'; break;
case 3: w = L'◱'; break;
default: goto err;
}
}
if(ncplane_putwc_yx(n, 5, i, w) <= 0){
goto err;
}
}
if(notcurses_render(nc)){
notcurses_stop(nc);
return EXIT_FAILURE;
}
nanosleep(&delay, NULL);
++flipmode;
}
notcurses_stop(nc);
return EXIT_SUCCESS;
err:
notcurses_stop(nc);
return EXIT_FAILURE;
}