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44 lines
1.4 KiB
GDScript
44 lines
1.4 KiB
GDScript
extends Area2D
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class_name Collector
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## Area that will pick up [Collectible]s with a given name, keeping track of the amount collected.
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## The current amount of collected entities.
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var collected_count: int = 0
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## The types of [Collectible]s to pick up.
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##
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## The strings will match only if exactly the same.
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@export var collecting_types: Array[StringName]
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## The sound played when an item is collected.
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@export var sound_absorb: AudioStreamPlayer2D
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@export_range(0.01, 4) var sound_absorb_min_pitch: float = 1.0
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@export_range(0.01, 4) var sound_absorb_max_pitch: float = 1.0
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## The goal amount of entities to collect.
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##
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## When [collected_count] reaches it, it will be reset to zero, and the "goal" signal will be emitted.
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@export var collecting_amount: int
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## The collector has picked up an object.
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signal collected(body: PhysicsBody2D)
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## The collector has received its collection goal and is about to reset.
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signal goal
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func _on_body_entered(body: Node2D):
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if body is PhysicsBody2D:
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var collectible: Collectible = body.find_child("Collectible")
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if collectible and collectible.type in collecting_types:
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collected_count += 1
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collectible.collect()
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if sound_absorb:
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sound_absorb.pitch_scale = sound_absorb_min_pitch + (float(collected_count) / float(collecting_amount)) * (sound_absorb_max_pitch - sound_absorb_min_pitch)
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sound_absorb.play()
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collected.emit(body)
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if collected_count >= collecting_amount:
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goal.emit()
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collected_count = 0
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