flowsqure.c

#include <stdio.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <time.h>

int main() {
  struct winsize w;
  ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
  printf("lines: %i\ncolumns: %i\n", w.ws_row, w.ws_col);
  char props[] = "/#0";

  void draw_line(char ch_prop) {
    for (unsigned idx = 0; idx < w.ws_col; idx++) {
      if (idx < w.ws_col / 4)
        putchar(' ');
      if (idx > w.ws_col / 2)
        putchar(ch_prop);
    }
    putchar('\n');
  }

  void texture_flow(char *props_arr) {
    while (1) {
      sleep(1);
      char prop = *props_arr;
      putchar(prop);
      // prop++;
      // if (prop == '\0') 
      //   prop--;
      for (unsigned idx = 0; idx < w.ws_row; idx++) {
        if (idx < w.ws_row / 2)
          putchar('\n');
        if (idx > w.ws_row / 2)
          draw_line(prop);
      }
    }
  }
  
  texture_flow(props);
  return 0;
}