extends StaticBody2D @export var break_groups: Array[String] = ["ROCK_BREAK"] func _ready(): $Area2D.body_entered.connect(_on_body_entered) func _on_body_entered(body: Node): if _can_be_broken_by(body): break_self() func _can_be_broken_by(node: Node) -> bool: for group in break_groups: if node.is_in_group(group): return true return false func break_self(): # 可以在这插入动画、粒子、音效 queue_free()