godot-psd-training/sceen/platform/gate/gateDoor.gd

extends Node3D

##闸机门
class_name  GateDoor
@onready var left_animation_player: AnimationPlayer = $LeftAnimationPlayer
@onready var right_animation_player: AnimationPlayer = $RightAnimationPlayer


## 闸机门的状态枚举
enum Gate_Door_STATE{
	opening,# 正在开门
	open,#开到位
	closeing,#正在关门
	close,# 关到位
}

##闸机门的状态
@onready var gateDoorState : Gate_Door_STATE = Gate_Door_STATE.close :
	set(value):
		if gateDoorState != value:
			gateDoorState = value
			if gateDoorState == Gate_Door_STATE.open :
				left_animation_player.play("leftOpen")
				right_animation_player.play("rightOpen")
			elif gateDoorState == Gate_Door_STATE.close :
				left_animation_player.play("leftClose")
				right_animation_player.play("rightClose")


##打开闸机门
func openGateDoor ()-> void:
	if gateDoorState == Gate_Door_STATE.close :
		gateDoorState = Gate_Door_STATE.open


##关闭闸机门
func closeGateDoor ()-> void:
	if gateDoorState == Gate_Door_STATE.open :
		gateDoorState=Gate_Door_STATE.close

var waitPeopleCount = 0
func _on_area_3d_area_entered(area: Area3D) -> void:
	var peopleWalkFollow = area.get_parent().get_parent()
	if peopleWalkFollow is PlayerPathFollow :
		waitPeopleCount += 1
		openGateDoor()


func _on_area_3d_area_exited(area: Area3D) -> void:
	var peopleWalkFollow = area.get_parent().get_parent()
	if peopleWalkFollow is PlayerPathFollow :
		waitPeopleCount -= 1
		if waitPeopleCount==0 :
			closeGateDoor()