class_name Vec2
extends Node

static func get_surrounding_cells(post,range = 1,is_self = false):
	var arr = []
	if is_self:
		arr.append(post)
	for x in range:
		for y in range:
			arr.append_array([post + Vector2i(x+1,y),
		post + Vector2i((x+1)*-1,y),
		post + Vector2i(x,y+1),
		post + Vector2i(x,(y+1)*-1),

		post + Vector2i((x+1),y+1),
		post + Vector2i((x+1)*-1,y+1),

		post + Vector2i((x+1)*-1,(y+1)*-1),
		post + Vector2i((x+1),(y+1)*-1),
		])

	return arr
static func vec_to_str(vec):
	return str(vec.x) + "_" + str(vec.y)

static func str_to_vec(str):
	var arr = str.rsplit("_")
	return Vector2(int(arr[0]),int(arr[1]))
static func str_to_veci(str):
	var arr = str.rsplit("_")
	return Vector2i(int(arr[0]),int(arr[1]))

static func strArr_to_vecArr(strArr):
	var vecArr = PackedVector2Array()
	for str in strArr:
		vecArr.append(str_to_vec(str))
	return vecArr

static func has_post(start,end,post):
	if start.x < end.x and start.y < end.y:
		if (start.x ) <= post.x:
			if (start.y ) <= post.y:
				if (end.x ) >= post.x:
					if (end.y ) >= post.y:
						return true
	if start.x < end.x and start.y > end.y:
		if start.x <= post.x:
			if end.y <= post.y:
				if end.x >= post.x:
					if start.y <= post.x:
						return true
	if start.x > end.x and start.y < end.y:
		if end.x <= post.x:
			if start.y <= post.y:
				if start.x >= post.x:
					if end.y > post.y:
						return true
	if start.x > end.x and start.y > end.y:
		if end.x <= post.x:
			if end.y <= post.y:
				if (start.x ) <= post.x:
					if (start.y ) <= post.y:
						return true
	return false
static  func has_node_post_and(start,end,post,size):
	var ret = true
	#if !has_post(start,end,post + size/2):
		#ret = false
	if !has_post(start,end,post):
		ret = false
	if !has_post(start,end,post + size):
		ret = false
	if !has_post(start,end,Vector2(post.x + size.x,post.y)):
		ret = false
	if !has_post(start,end,Vector2(post.x,post.y + size.y)):
		ret = false
	return ret
static  func has_node_post(start,end,post,size,is_mouse = false):
	if start.distance_to(post) > (Vector2(0,0).distance_to(size) ):
		return false
	if is_mouse and has_post(start,end,Global.scence.get_global_mouse_position()):
		return true
	if has_post(start,end,post + size/2):
		return true
	if has_post(start,end,post):
		return true
	if has_post(start,end,post + size):
		return true
	if has_post(start,end,Vector2(post.x + size.x,post.y)):
		return true
	if has_post(start,end,Vector2(post.x,post.y + size.y)):
		return true
	return false