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53 lines
1.4 KiB
53 lines
1.4 KiB
extends Area2D
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## 道具：Area2D 每帧下落，被挡板接到时发 collected 信号。
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## 效果由 main.gd 调度（目前只做"加宽挡板"）。
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signal collected(kind: String)
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enum Kind { WIDE_PADDLE, MULTI_BALL, SLOW_BALL, EXTRA_LIFE }
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@export var kind: Kind = Kind.WIDE_PADDLE
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@export var fall_speed: float = 150.0
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@export var kind_color: Dictionary = {
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Kind.WIDE_PADDLE: Color(0.3, 0.9, 0.4),
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Kind.MULTI_BALL: Color(0.9, 0.9, 0.3),
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Kind.SLOW_BALL: Color(0.4, 0.7, 1.0),
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Kind.EXTRA_LIFE: Color(1.0, 0.4, 0.7),
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}
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@onready var visual: ColorRect = $Visual
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@onready var label: Label = $Visual/Label
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func _ready() -> void:
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# 颜色按类型
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if kind_color.has(kind):
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visual.color = kind_color[kind]
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# 字母标签：W / M / S / L
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label.text = _label_for(kind)
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func _physics_process(_delta: float) -> void:
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position.y += fall_speed * _delta
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# 掉到底就消失
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if position.y > 730:
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queue_free()
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func _on_body_entered(body: Node) -> void:
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if body.is_in_group("paddle"):
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collected.emit(_kind_name())
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queue_free()
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func _kind_name() -> String:
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match kind:
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Kind.WIDE_PADDLE: return "wide_paddle"
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Kind.MULTI_BALL: return "multi_ball"
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Kind.SLOW_BALL: return "slow_ball"
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Kind.EXTRA_LIFE: return "extra_life"
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return "unknown"
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func _label_for(k: Kind) -> String:
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match k:
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Kind.WIDE_PADDLE: return "W"
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Kind.MULTI_BALL: return "M"
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Kind.SLOW_BALL: return "S"
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Kind.EXTRA_LIFE: return "L"
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return "?"
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