Steven Wroblewski
77 lines
2.2 KiB
GDScript
77 lines
2.2 KiB
GDScript
## GiftBox — tap while closed to open: lid rises and fades out, gift inside fades in.
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## Auto-resets after RESET_DELAY seconds.
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class_name GiftBox extends Node2D
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enum State { CLOSED, OPENING, RESETTING }
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const LID_OPEN_Y: float = -120.0
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const CLOSED_LID_Y: float = -60.0
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const OPEN_DURATION: float = 0.5
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const GIFT_FADE_DURATION: float = 0.4
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const RESET_DELAY: float = 3.0
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const BUTTON_HALF_WIDTH: float = 40.0
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const BUTTON_HALF_HEIGHT: float = 50.0
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var _state: State = State.CLOSED
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func _ready() -> void:
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var gift: Node2D = get_node_or_null("Gift") as Node2D
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if gift != null:
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gift.modulate.a = 0.0
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func _input(event: InputEvent) -> void:
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if _state != State.CLOSED:
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return
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if not event is InputEventScreenTouch:
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return
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var touch: InputEventScreenTouch = event as InputEventScreenTouch
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if not touch.pressed:
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return
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var local: Vector2 = to_local(touch.position)
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if abs(local.x) > BUTTON_HALF_WIDTH or abs(local.y) > BUTTON_HALF_HEIGHT:
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return
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_start_opening()
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func _start_opening() -> void:
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AudioManager.play_sfx("gift_open")
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_state = State.OPENING
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var lid: Node2D = get_node_or_null("Lid") as Node2D
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if lid == null:
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_on_lid_opened()
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return
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var tween: Tween = create_tween()
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tween.set_ease(Tween.EASE_OUT)
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tween.set_trans(Tween.TRANS_BACK)
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tween.tween_property(lid, "position:y", LID_OPEN_Y, OPEN_DURATION)
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tween.parallel().tween_property(lid, "modulate:a", 0.0, OPEN_DURATION)
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tween.finished.connect(_on_lid_opened)
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func _on_lid_opened() -> void:
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_state = State.RESETTING
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var gift: Node2D = get_node_or_null("Gift") as Node2D
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var tween: Tween = create_tween()
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if gift != null:
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tween.tween_property(gift, "modulate:a", 1.0, GIFT_FADE_DURATION)
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tween.tween_interval(RESET_DELAY)
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tween.tween_callback(_start_close_lid)
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func _start_close_lid() -> void:
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var lid: Node2D = get_node_or_null("Lid") as Node2D
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var gift: Node2D = get_node_or_null("Gift") as Node2D
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var tween: Tween = create_tween().set_parallel(true)
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if lid != null:
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tween.tween_property(lid, "position:y", CLOSED_LID_Y, OPEN_DURATION)
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tween.tween_property(lid, "modulate:a", 1.0, OPEN_DURATION)
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if gift != null:
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tween.tween_property(gift, "modulate:a", 0.0, OPEN_DURATION)
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tween.finished.connect(_on_reset_complete)
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func _on_reset_complete() -> void:
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_state = State.CLOSED
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