implement game of life

This commit is contained in:
Crispy 2024-05-02 11:28:03 +02:00
commit e706ba4767
2 changed files with 86 additions and 0 deletions

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.gitignore vendored Normal file
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*.exe

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main.odin Normal file
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package main
import "core:fmt"
import "core:os"
import "core:strings"
WIDTH :: 32
HEIGHT :: 32
AREA :: WIDTH * HEIGHT
main :: proc() {
fmt.println("hellope")
board : [AREA]bool = ---
// board[0] = true
// board[1] = true
// board[WIDTH] = true
// for x in 4..<14 {
// board[x + WIDTH*8] = true
// }
for {
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)
}
}
print_board :: proc(state: ^[AREA]bool){
fmt.println(strings.repeat("-", WIDTH))
for y := 0; y < HEIGHT; y += 2{
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(" ")
}
}
}
fmt.println()
}
fmt.println()
}
update_board :: proc(state: ^[AREA]bool){
new_state : [AREA]bool = ---
for x in 0..<WIDTH {
for y in 0..<HEIGHT {
count := 0
for dx in -1..=1 {
px := (x + dx + WIDTH) % WIDTH
for dy in -1..=1 {
py := (y + dy + HEIGHT) % HEIGHT
if state[px + py * WIDTH]{
count += 1
}
}
}
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
}
}
for i in 0..<AREA {
state[i] = new_state[i]
}
}