68 lines
2.3 KiB
GDScript3
68 lines
2.3 KiB
GDScript3
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extends Control
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# #100: "an small alert on top right appear when a new wave is coming. No
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# timer should be visible."
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#
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# The second half of that is a constraint on this file, not just a note.
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# GameState deliberately offers no remaining-seconds accessor - only
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# wave_warning_pulse(), which is a 0..1 throb - so there is no number here
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# that could be rendered as a countdown even by accident. The urgency is
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# carried by the pulse rate, which says "soon" without saying "in 4".
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const GLOW: Color = Color(1.0, 0.45, 0.2)
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const TEXT: String = "WAVE INCOMING"
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var label: Label
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func _ready() -> void:
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mouse_filter = Control.MOUSE_FILTER_IGNORE
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visible = false
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label = Label.new()
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label.text = TEXT
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label.mouse_filter = Control.MOUSE_FILTER_IGNORE
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label.add_theme_font_size_override("font_size", 22)
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label.add_theme_color_override("font_color", GLOW)
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label.add_theme_color_override("font_outline_color", Color(0.05, 0.01, 0.0, 0.95))
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label.add_theme_constant_override("outline_size", 3)
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
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add_child(label)
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resized.connect(_layout)
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_layout()
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func _layout() -> void:
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if label == null:
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return
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# Room on the left for the chevron _draw() puts there.
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label.position = Vector2(size.y, 0.0)
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label.size = Vector2(maxf(size.x - size.y, 0.0), size.y)
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func _process(_delta: float) -> void:
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var incoming: bool = GameState.wave_is_incoming()
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if incoming != visible:
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visible = incoming
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if incoming:
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queue_redraw()
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func _draw() -> void:
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if not visible:
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return
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var pulse: float = GameState.wave_warning_pulse()
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var alpha: float = 0.35 + 0.65 * pulse
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draw_rect(Rect2(Vector2.ZERO, size), Color(0.16, 0.04, 0.01, 0.62))
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NeonDraw.draw_glowing_path(self, PackedVector2Array([
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Vector2(0.0, 0.0), Vector2(size.x, 0.0), Vector2(size.x, size.y),
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Vector2(0.0, size.y), Vector2(0.0, 0.0),
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]), Color(GLOW, alpha), 0.9, 0.7)
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# A warning triangle, not a clock face.
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var centre: Vector2 = Vector2(size.y * 0.5, size.y * 0.5)
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var radius: float = size.y * 0.28
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NeonDraw.draw_glowing_polygon(self, PackedVector2Array([
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centre + Vector2(0.0, -radius),
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centre + Vector2(radius * 0.92, radius * 0.72),
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centre + Vector2(-radius * 0.92, radius * 0.72),
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]), Color(GLOW, alpha), 1.0)
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