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53 lines
1.5 KiB
53 lines
1.5 KiB
extends StaticBody2D
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## 砖块：被球撞扣血，归零销毁并发出 destroyed(points) 信号。
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##
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## 反馈：被击中时闪白 + 缩放抖动；血量越低颜色越亮。
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## 击杀时按 power_up_drop_chance 概率额外发 power_up_dropped(位置) 信号。
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signal destroyed(points: int)
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signal power_up_dropped(spawn_position: Vector2)
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@export var max_hp: int = 1
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@export var points: int = 100
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@export var power_up_drop_chance: float = 0.15 ## 击杀掉落道具的概率
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@export var color_by_hp: Dictionary = {
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1: Color(0.30, 0.70, 0.40),
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2: Color(0.95, 0.75, 0.20),
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3: Color(0.85, 0.30, 0.30),
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}
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var _hp: int
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func _ready() -> void:
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add_to_group("bricks")
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_hp = max_hp
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_refresh_color()
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func hit() -> void:
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_play_hit_feedback()
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_hp -= 1
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if _hp <= 0:
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# 击杀：摇骰子决定是否掉落道具
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if randf() < power_up_drop_chance:
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power_up_dropped.emit(position)
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destroyed.emit(points)
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queue_free()
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else:
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_refresh_color()
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func _play_hit_feedback() -> void:
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var rect := get_node_or_null("ColorRect") as ColorRect
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if not rect:
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return
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var original_color: Color = rect.color
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rect.color = Color(1, 1, 1)
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var tween := create_tween()
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tween.tween_property(rect, "color", original_color, 0.15)
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var original_scale: Vector2 = rect.scale
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tween.parallel().tween_property(rect, "scale", original_scale * 1.15, 0.05)
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tween.tween_property(rect, "scale", original_scale, 0.1)
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func _refresh_color() -> void:
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var rect := get_node_or_null("ColorRect")
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if rect and color_by_hp.has(_hp):
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rect.color = color_by_hp[_hp]
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