66 lines
1.6 KiB
C#
66 lines
1.6 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using Godot;
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namespace Rokojori
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{
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[Tool]
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[GlobalClass]
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public partial class FrameSmoothing: Smoothing
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{
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[Export( PropertyHint.Range, "0,600")]
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public int frames = 10;
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static Dictionary<int,float> _framesToCoefficient = new Dictionary<int, float>();
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protected override float _ComputeInterpolationAmount( float delta )
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{
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if ( frames <= 0 )
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{
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return 1;
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}
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var coefficient = GetCoefficientForFrames( frames );
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return 1f - Mathf.Exp( -coefficient * delta );
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}
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public float GetCoefficientForFrames( int frames )
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{
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if ( ! _framesToCoefficient.ContainsKey( frames ) )
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{
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_framesToCoefficient[ frames ] = ComputeCoefficientForFrames( frames );
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}
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return _framesToCoefficient[ frames ];
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}
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static float ComputeCoefficientForFrames( int numFrames, float treshold = 1f/60f * 0.1f )
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{
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var framesDuration = numFrames * 1/60f;
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var minMaxSearch = new MinMaxSearch<float>(
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( a, b, t ) => Mathf.Lerp( a, b, t ),
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( c ) => ExpSmoothing.GetDurationForCoefficient( c )
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);
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var lowDurationCoefficient = 100000f;
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var highDurationCoefficient = 0.1f;
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RJLog.Log( "Finding coefficient for frames", numFrames, ">>", framesDuration, "s" );
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var coefficient = minMaxSearch.Find( framesDuration, lowDurationCoefficient, highDurationCoefficient, treshold );
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RJLog.Log( "Found coefficient:", coefficient, ">> duration", ExpSmoothing.GetDurationForCoefficient( coefficient )._FF(), "s" );
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return coefficient;
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}
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}
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} |