在_ready()函数中创建了一个“滑翔机”，坐标系以左上角为原点
创建了一个定时器，每隔0.1秒调用一次_on_timer_timeout()，所以更新代码也在这

extends Nodeclass Grid:const W : int = 10const H : int = 10const ALIVE : int = 1const DEAD : int = 0var _grid : Array[int] = []func _init():_grid.resize(W * H)func live(x,y):_grid[y * W + x] = ALIVEfunc die(x,y):_grid[y * W + x] = DEAD# 检查细胞状态func state(x,y):# 越界则返回死亡if x < 0 or x >= W or y < 0 or y >= H:return DEADreturn _grid[y * W + x]# 计算周围细胞数func count(x,y):var s0 = state(x - 1,y - 1)var s1 = state(x,y - 1)var s2 = state(x + 1,y - 1)var s3 = state(x - 1,y)var s4 = state(x + 1,y)var s5 = state(x - 1,y + 1)var s6 = state(x,y + 1)var s7 = state(x + 1,y + 1)return s0 + s1 + s2 + s3 + s4 + s5 + s6 + s7# 统计所有存活细胞数func lives():var result = 0for i in _grid:result += ireturn resultfunc _to_string():return str(_grid)const WIDTH : int = 1200
const HEIGHT : int = 600
var obj : Node = null
var grid : Grid = Grid.new()func _ready():grid.live(1,0)grid.live(2,1)grid.live(0,2)grid.live(1,2)grid.live(2,2)update()func update():var inst = $Node2D/MultiMeshInstance2Dvar multimesh = inst.multimeshmultimesh.visible_instance_count = grid.lives()var i = 0for y in range(Grid.H):for x in range(Grid.W):var state = grid.state(x,y)if state == Grid.ALIVE:var trans = Transform2D()trans.origin = Vector2(x * 10 + 5,y * 10 + 5)multimesh.set_instance_transform_2d(i,trans)i += 1func _on_timer_timeout():var new = Grid.new()for y in range(Grid.H):for x in range(Grid.W):var state = grid.state(x,y)var count = grid.count(x,y)if state == Grid.ALIVE:if count == 2 or count == 3:new.live(x,y)elif state == Grid.DEAD:if count == 3:new.live(x,y)grid = newupdate()