homework

scene/code/block_damage.gd

@@ -0,0 +1,72 @@
+extends CharacterBody2D
+
+var HP = 30
+var Blink : Node2D = null
+@onready var animated = $Block_damage_animation
+var is_playing_blink: bool = false 
+var is_in_observe : bool = false
+var is_playing_transition: bool = false
+var down_SPEED = 1000.0
+var down : bool = false 
+
+func _ready() -> void:
+	add_to_group("block")
+	if not animated.animation_finished.is_connected(_on_animation_finished):
+		animated.animation_finished.connect(_on_animation_finished)
+	animated.play("SLEEP")
+
+# 玩家进入 observe 区域
+func _on_area_2d_observe_body_entered(body: Node2D) -> void:
+	if body.is_in_group("Player"):
+		is_in_observe = true
+		# 如果没有在播过渡动画，就播 BLINK
+		if not is_playing_transition:
+			is_playing_transition = true
+			animated.play("BLINK")
+		# 如果你想强制打断 NOBLINK 直接播 BLINK，可以把上面换成：
+		# is_playing_transition = true
+		# animated.play("BLINK")
+
+# 玩家离开 observe 区域
+func _on_area_2d_observe_body_exited(body: Node2D) -> void:
+	if body.is_in_group("Player"):
+		is_in_observe = false
+		# 如果没有在播过渡动画，就播 NOBLINK
+		if not is_playing_transition:
+			is_playing_transition = true
+			animated.play("NOBLINK")
+
+# 【统一回调】所有动画播放完毕时触发
+func _on_animation_finished() -> void:
+	# 只要播放完 BLINK 或 NOBLINK，就解除过渡锁定
+	if animated.animation == "BLINK" or animated.animation == "NOBLINK":
+		is_playing_transition = false
+	
+	# 根据玩家最终是否在区域内，决定稳定状态
+	if is_in_observe:
+		animated.play("IDLE")
+	else:
+		animated.play("SLEEP")
+
+
+func _on_area_2d_damage_body_entered(body: Node2D) -> void:
+	if body.is_in_group("Player"):
+		animated.play("HIT")
+		down = true
+	
+func _physics_process(delta: float) -> void:
+	if down:
+		velocity.y += down_SPEED * delta
+	if is_on_floor():
+		down = false
+		velocity.y = -down_SPEED * 2 
+		
+	move_and_slide()
+	 
+	
+
+
+func _on_area_2d_take_damage_body_entered(body: Node2D) -> void:
+	if body.is_in_group("Player"):
+		if body.has_method("take_damage"):
+			body.take_damage(1)