28 lines
589 B
GDScript
28 lines
589 B
GDScript
class_name GDActionNodeFadeAlphaBy extends GDActionNodeInterval
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var alpha_velocity: float = 0.0
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func get_class() -> String:
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return "GDActionNodeFadeAlphaBy"
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func _init(action, key, node).(action, key, node):
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pass
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func _update(value: float, eased_value: float, delta: float):
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node.modulate.a += self.alpha_velocity * delta
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func fade_alpha_by(alpha_value, duration: float, delay = 0.0, speed = 1.0):
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if duration <= 0:
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finished()
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return
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self.alpha_velocity = alpha_value / duration
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self.duration = duration
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self.delay = delay
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self.speed = speed
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_reset_value()
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_run()
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