10 lines
501 B
GDScript
10 lines
501 B
GDScript
class_name Util
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## Time-independent damping with exponential-decay.
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##
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## [smoothing] is the proportion of [current] remaining after one second, the
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## rest is [target]. [delta_time] represents the number of seconds passed since
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## last invocation.
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static func damp(current: Variant, target: Variant, smoothing: float, delta_time: float) -> Variant :
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# https://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/
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return lerp(current, target, 1. - pow(smoothing, delta_time))
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