66 lines
1.4 KiB
GDScript3
66 lines
1.4 KiB
GDScript3
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class_name ScreenFade
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extends ColorRect
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signal transition_completed(generation: int, faded_to_black: bool)
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@export_range(0.01, 3.0, 0.01) var fade_out_duration: float = 0.4
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@export_range(0.01, 3.0, 0.01) var fade_in_duration: float = 0.45
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var _fade_tween: Tween
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func _ready() -> void:
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modulate.a = 0.0
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visible = false
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func fade_to_black(generation: int) -> void:
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_start_fade(1.0, fade_out_duration, generation, true)
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func fade_from_black(generation: int) -> void:
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visible = true
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modulate.a = 1.0
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_start_fade(0.0, fade_in_duration, generation, false)
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func reset_immediately() -> void:
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if _fade_tween != null and _fade_tween.is_valid():
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_fade_tween.kill()
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_fade_tween = null
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modulate.a = 0.0
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visible = false
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func _start_fade(
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target_alpha: float,
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duration: float,
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generation: int,
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faded_to_black: bool,
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) -> void:
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if _fade_tween != null and _fade_tween.is_valid():
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_fade_tween.kill()
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visible = true
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_fade_tween = create_tween()
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_fade_tween.set_trans(Tween.TRANS_QUAD)
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_fade_tween.set_ease(
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Tween.EASE_IN if faded_to_black else Tween.EASE_OUT
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)
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_fade_tween.tween_property(
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self,
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"modulate:a",
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target_alpha,
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maxf(duration, 0.01)
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)
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_fade_tween.finished.connect(
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_on_fade_finished.bind(generation, faded_to_black),
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CONNECT_ONE_SHOT
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)
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func _on_fade_finished(generation: int, faded_to_black: bool) -> void:
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_fade_tween = null
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if not faded_to_black:
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visible = false
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transition_completed.emit(generation, faded_to_black)
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