diff options
Diffstat (limited to 'abellian_sandpile.c')
| -rw-r--r-- | abellian_sandpile.c | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/abellian_sandpile.c b/abellian_sandpile.c index 9d2e7b4..004a4c7 100644 --- a/abellian_sandpile.c +++ b/abellian_sandpile.c @@ -1,15 +1,16 @@ #include <asm-generic/ioctls.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/ioctl.h> #include <unistd.h> -#define CLEAR_GRID "\033[0m" +#define CLEAR_GRID "\033[1;1H\033[2J" #define COLOR_RED "\033[31m" // cell value 4 #define COLOR_ORANGE "\033[31m" // cell value 3 -#define COLOR_YELLOW "\033[31m" // cell value 2 -#define COLOR_WHITE "\033[31m" // cell value 1 +#define COLOR_YELLOW "\033[33m" // cell value 2 +#define COLOR_WHITE "\033[37m" // cell value 1 int init_grid(int height, int width, int (*positions)[width]); int get_new_positions(int height, int width, int (*positions)[width], @@ -58,7 +59,16 @@ int main() { if (startup_status) { fprintf(stderr, "Failed to initialize grid"); } - get_new_positions(terminal_width, terminal_width, positions, new_positions); + + uint32_t time_steps = 20000000; + for (int i = 0; i < time_steps; i++) { + // drop a 'grain' of sand of top of sandpile + positions[10][60] += 1; + get_new_positions(terminal_height, terminal_width, positions, + new_positions); + printf(CLEAR_GRID); + render(terminal_height, terminal_width, positions, new_positions); + } free(positions); free(new_positions); @@ -78,25 +88,48 @@ int init_grid(int height, int width, int (*positions)[width]) { int get_new_positions(int height, int width, int (*positions)[width], int (*new_positions)[width]) { - new_positions = positions; - + memset(new_positions, 0, width * height * sizeof(int)); // getting new positions for (int i = 0; i < height; i++) { - for (int j = 0; j < width; i++) { + for (int j = 0; j < width; j++) { if (positions[i][j] >= 4) { - // add some logic here - new_positions[i][j] = 0; - new_positions[i][j] = positions[i + 1][j] + 1; - new_positions[i][j] = positions[i - 1][j] + 1; - new_positions[i][j] = positions[i][j + 1] + 1; - new_positions[i][j] = positions[i][j - 1] + 1; + new_positions[i][j] = 0; // Current cell becomes stable + + // Distribute sand to neighboring cells + if (i + 1 < height) + new_positions[i + 1][j] += 1; // Down + if (i - 1 >= 0) + new_positions[i - 1][j] += 1; // Up + if (j + 1 < width) + new_positions[i][j + 1] += 1; // Right + if (j - 1 >= 0) + new_positions[i][j - 1] += 1; // Left + } else { + new_positions[i][j] += positions[i][j]; // Stable cells remain the same } } } + memcpy(positions, new_positions, height * width * sizeof(int)); return 0; } int render(int height, int width, int (*positions)[width], int (*new_positions)[width]) { + for (int i = 0; i < height; i++) { + for (int j = 0; j < width; j++) { + if (new_positions[i][j] == 0) { + printf(" "); // Empty cell + } else if (new_positions[i][j] == 1) { + printf(COLOR_WHITE "1"); // Cell with value 1 + } else if (new_positions[i][j] == 2) { + printf(COLOR_YELLOW "2"); // Cell with value 2 + } else if (new_positions[i][j] == 3) { + printf(COLOR_ORANGE "3"); // Cell with value 3 + } else if (new_positions[i][j] >= 4) { + printf(COLOR_RED "4"); // Cell with value 4 or more + } + } + printf("\n"); // Move to the next line after each row + } return 0; } |