112 lines
2.8 KiB
GDScript
112 lines
2.8 KiB
GDScript
extends CharacterBody2D
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@onready var player_collectable_volumn: PlayerTriggerVolumn = %PlayerCollectableVolumn
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@onready var hook_attract_volumn: Area2D = %HookAttractVolumn
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@export var respawn_time: float = 2.0
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enum State {
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IDLE,
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PULLED_BY_HOOK,
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COLLECTED
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}
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var _current_state: State = State.IDLE
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var _spawn_position: Vector2
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## 拉回速度
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@export var pull_speed: float = 800.0
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## 拉回目标（玩家）
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var _pull_target: Node2D
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func _ready() -> void:
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_spawn_position = global_position
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player_collectable_volumn.player_entered.connect(_on_player_collected)
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##状态管理函数
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func change_state(in_state: State) -> void:
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if in_state == _current_state:
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return
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## 退出State的逻辑
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match _current_state:
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State.IDLE:
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pass
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State.PULLED_BY_HOOK:
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pass
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State.COLLECTED:
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pass
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_current_state = in_state
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## 进入State的逻辑
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match in_state:
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State.IDLE:
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pass
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State.PULLED_BY_HOOK:
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pass
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State.COLLECTED:
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_on_collected_enter()
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## 钩爪击中时调用（hit_pos 是击中点，hook 是钩爪实例）
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func on_hook_hit(hit_pos: Vector2, hook: Hook) -> void:
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# 通过钩爪组件获取发射者（玩家）
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_pull_target = hook._binded_hook_comp.owner as Node2D
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if _pull_target:
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change_state(State.PULLED_BY_HOOK)
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func _physics_process(delta: float) -> void:
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if _current_state == State.PULLED_BY_HOOK and _pull_target:
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var direction := (_pull_target.global_position - global_position).normalized()
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velocity = direction * pull_speed
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move_and_slide()
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func get_attraction_force(pos: Vector2) -> Vector2:
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# 返回 (direction, strength) 格式
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var dir := (global_position - pos).normalized()
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var strength := 1500 # 调整这个值控制吸引力转向速度
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return dir * strength
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##如果玩家进入收集区域，则切换为已收集状态。
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func _on_player_collected(body:CharacterBody2D) -> void:
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if body is Player:
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body.hsm.dispatch(&"trigger_external_dash")
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change_state(State.COLLECTED)
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func _on_collected_enter() -> void:
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velocity = Vector2.ZERO
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# 隐藏
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visible = false
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set_physics_process(false)
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# 关闭碰撞
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if has_node("CollisionShape2D"):
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$CollisionShape2D.disabled = true
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player_collectable_volumn.monitoring = false
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player_collectable_volumn.monitorable = false
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hook_attract_volumn.monitoring = false
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hook_attract_volumn.monitorable = false
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# 启动重生流程
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_respawn_after_delay()
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func _respawn_after_delay() -> void:
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await get_tree().create_timer(respawn_time).timeout
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global_position = _spawn_position
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visible = true
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set_physics_process(true)
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if has_node("CollisionShape2D"):
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$CollisionShape2D.disabled = false
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player_collectable_volumn.monitoring = true
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player_collectable_volumn.monitorable = true
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hook_attract_volumn.monitoring = true
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hook_attract_volumn.monitorable = true
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change_state(State.IDLE)
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