first commit

build.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -xe
+
+gcc -Wall -Wextra -o main main.c

main.c

@@ -0,0 +1,87 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define WIDTH 100
+#define HEIGHT 100
+
+#define true 1
+#define false 0
+
+#define emod(x, y)	((((x) % (y)) + (y)) % (y))
+typedef unsigned  char bool ;
+
+bool grid[HEIGHT][WIDTH], step[HEIGHT][WIDTH];
+
+bool randb(){
+	return rand() % 2;
+}
+
+void gen_grid(){
+	for(int i = 0; i < HEIGHT; i++){
+		for(int j = 0; j < HEIGHT; j++){
+			grid[i][j] = randb();
+		}
+	}
+}
+
+void draw_grid(){
+	for(int i = 0; i < HEIGHT; i++){
+		for(int j = 0; j < HEIGHT; j++){
+			if(grid[i][j]){
+				printf("\033[107m■ ");
+			}else{
+				printf("\033[49m  ");
+			}
+		}
+		printf("\033[0m\n");
+	}
+}
+
+void step_grid(){
+	for(int i = 0; i < HEIGHT; i++){
+		for(int j = 0; j < WIDTH; j++){
+
+			int count = 0;
+			for(int di = i-1; di < i+2; di++){
+				for(int dj = j-1; dj < j+2; dj++){
+					if(di == i && dj == j){
+						continue;
+					}
+					if(grid[emod(di, HEIGHT)][emod(dj, WIDTH)]){
+						count++;
+					}
+				}
+			}
+			step[i][j] = false;
+			if(count == 3 || (count == 2 && grid[i][j])){
+				step[i][j] = true;
+			}
+
+		}
+	}
+	memcpy(grid, step, sizeof(char) * HEIGHT * WIDTH);
+}
+
+struct timespec ts = { 0, 100 * 1000};
+
+int main(void)
+{
+	srand(time(0));
+	gen_grid();
+
+	while(true){
+		ts.tv_nsec= 10 * 1000 * 1000;
+		for(int i = 0; i < HEIGHT; i++){
+			printf("\n");
+		}
+		draw_grid();
+		/* getchar(); */
+		step_grid();
+		nanosleep(&ts, NULL);
+	}
+}
+
+