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36 lines
1.1 KiB
36 lines
1.1 KiB
extends CanvasLayer
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## HUD：分数、生命（图标）、提示。接 Main 的方法直接更新。
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## 命数图标用 ColorRect 排一排，比纯数字直观。
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const LIFE_ICON_SIZE: Vector2 = Vector2(24, 8)
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const LIFE_ICON_SPACING: float = 4.0
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const LIFE_ICON_COLOR: Color = Color(0.4, 0.6, 1.0)
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@onready var score_label: Label = $ScoreLabel
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@onready var lives_label: Label = $LivesLabel
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@onready var message_label: Label = $MessageLabel
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@onready var lives_container: HBoxContainer = $LivesContainer
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func _ready() -> void:
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show_message("按 空格 发球")
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func update_score(score: int) -> void:
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score_label.text = "Score: %d" % score
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func update_lives(lives: int) -> void:
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lives_label.text = "Lives: %d" % lives
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_refresh_life_icons(lives)
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func show_message(text: String) -> void:
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message_label.text = text
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func _refresh_life_icons(lives: int) -> void:
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# 清空旧图标
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for child in lives_container.get_children():
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child.queue_free()
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# 重新生成 lives 个
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for i in range(lives):
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var icon := ColorRect.new()
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icon.custom_minimum_size = LIFE_ICON_SIZE
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icon.color = LIFE_ICON_COLOR
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lives_container.add_child(icon)
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