86 lines
1.5 KiB
Odin
86 lines
1.5 KiB
Odin
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package main
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import "core:fmt"
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import "core:os"
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import "core:strings"
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WIDTH :: 32
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HEIGHT :: 32
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AREA :: WIDTH * HEIGHT
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main :: proc() {
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fmt.println("hellope")
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board : [AREA]bool = ---
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// board[0] = true
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// board[1] = true
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// board[WIDTH] = true
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// for x in 4..<14 {
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// board[x + WIDTH*8] = true
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// }
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for {
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print_board(&board)
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bytes := 0
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err : os.Errno
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buf : [3]byte
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for {
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bytes, err = os.read(os.stdin, buf[:])
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if bytes > 0 do break
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}
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update_board(&board)
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}
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}
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print_board :: proc(state: ^[AREA]bool){
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fmt.println(strings.repeat("-", WIDTH))
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for y := 0; y < HEIGHT; y += 2{
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for x in 0..<WIDTH{
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top := state[x + y * WIDTH]
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bot := state[x + (y+1) * WIDTH ]
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if top {
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if bot{
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fmt.print("█")
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}else{
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fmt.print("▀")
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}
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}else{
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if bot {
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fmt.print("▄")
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}else{
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fmt.print(" ")
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}
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}
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}
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fmt.println()
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}
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fmt.println()
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}
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update_board :: proc(state: ^[AREA]bool){
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new_state : [AREA]bool = ---
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for x in 0..<WIDTH {
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for y in 0..<HEIGHT {
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count := 0
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for dx in -1..=1 {
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px := (x + dx + WIDTH) % WIDTH
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for dy in -1..=1 {
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py := (y + dy + HEIGHT) % HEIGHT
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if state[px + py * WIDTH]{
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count += 1
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}
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}
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}
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cell := state[x + y * WIDTH];
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new_cell := (count == 3 && !cell) || (cell && count < 5 && count > 2)
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// fmt.println("count %v, state %v", count, new_cell)
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new_state[x + y * WIDTH] = new_cell
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}
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}
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for i in 0..<AREA {
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state[i] = new_state[i]
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}
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}
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