42 lines
973 B
GDScript
42 lines
973 B
GDScript
extends Node2D
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class_name SelectionManager
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const SIGNAL_SELECTION_CHANGED = "selection-changed"
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@export var selected_box_hidden_color = Color(1, 1, 1, 0)
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@export var selected_box_color = Color(1, 1, 1, 0.6)
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@onready var selection: Array[Positional] = []
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var anim_t: float = 0.0
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func _process(delta):
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anim_t += delta * 8
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anim_t = clamp(anim_t, 0, 1)
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queue_redraw()
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func clear():
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anim_t = 0
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selection = []
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emit_signal(SIGNAL_SELECTION_CHANGED)
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print("clear selection ", len(selection))
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func append_array(items: Array[Positional]):
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selection.append_array(items)
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emit_signal(SIGNAL_SELECTION_CHANGED)
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func select_array(items: Array[Positional]):
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clear()
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if items.is_empty():
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return
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append_array(items)
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print("selected ", len(selection))
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func _draw():
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if selection.is_empty():
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return
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for tile in selection:
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draw_rect(
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tile.worldbox.grow(lerp(-16, 0, anim_t)),
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lerp(selected_box_hidden_color, selected_box_color, anim_t ** 1.3),
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false, 3
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)
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