.

main.odin

@@ -1,15 +1,14 @@
 package main
 
 import "core:fmt"
-import "core:os"
 import "core:strings"
+import "core:time"
 
-WIDTH :: 32
-HEIGHT :: 32
+WIDTH :: 128
+HEIGHT :: 128
 AREA :: WIDTH * HEIGHT
 
 main :: proc() {
-	fmt.println("hellope")
 	board : [AREA]bool = ---
 
 	// board[0] = true
@@ -18,40 +17,31 @@ main :: proc() {
 	// for x in 4..<14 {
 	// 	board[x + WIDTH*8] = true
 	// }
+	fmt.print("\e[2J") // clear screen
 	for {
+		fmt.print("\e[u") // reset cursor
 		print_board(&board)
-		bytes := 0
-		err : os.Errno
-		buf : [3]byte
-		for {
-			bytes, err = os.read(os.stdin, buf[:])
-			if bytes > 0 do break
-		}
 		update_board(&board)
+		time.sleep(time.Millisecond * 50)
 	}
 }
 
 print_board :: proc(state: ^[AREA]bool){
-	fmt.println(strings.repeat("-", WIDTH))
 	for y := 0; y < HEIGHT; y += 2{
+		line := strings.builder_make()
 		for x in 0..<WIDTH{
 			top := state[x + y * WIDTH]
 			bot := state[x + (y+1) * WIDTH ]
-			if top {
-				if bot{
-					fmt.print("█")
-				}else{
-					fmt.print("▀")
-				}
-			}else{
-				if bot {
-					fmt.print("▄")
-				}else{
-					fmt.print(" ")
-				}
+			c : rune
+			switch {
+				case top && bot: c = '█'
+				case top && !bot: c = '▀'
+				case !top && bot: c = '▄'
+				case: c = ' '
 			}
+			strings.write_rune(&line, c)
 		}
-		fmt.println()
+		fmt.println(strings.to_string(line))
 	}
 	fmt.println()
 }
@@ -71,9 +61,8 @@ update_board :: proc(state: ^[AREA]bool){
 						}
 					}
 				}
-				cell := state[x + y * WIDTH];
+				cell := state[x + y * WIDTH]
 				new_cell := (count == 3 && !cell) || (cell && count < 5 && count > 2)
-				// fmt.println("count %v, state %v", count, new_cell)
 				new_state[x + y * WIDTH] = new_cell
 		}
 	}