103 lines
3.2 KiB
C#
103 lines
3.2 KiB
C#
// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="UxrVarInterpolator_1.cs" company="VRMADA">
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// Copyright (c) VRMADA, All rights reserved.
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// </copyright>
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// --------------------------------------------------------------------------------------------------------------------
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using UnityEngine;
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namespace UltimateXR.Animation.Interpolation
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{
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/// <summary>
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/// Generic base for interpolator classes.
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/// </summary>
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/// <typeparam name="T">The type the class will interpolate</typeparam>
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public abstract class UxrVarInterpolator<T> : UxrVarInterpolator
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{
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#region Constructors & Finalizer
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/// <summary>
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/// Constructor.
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/// </summary>
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/// <param name="smoothDamp">Smooth damp value [0.0, 1.0]</param>
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/// <param name="useStep">Whether to use step interpolation, where the interpolation will always return the start value</param>
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protected UxrVarInterpolator(float smoothDamp, bool useStep) : base(smoothDamp, useStep)
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{
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}
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#endregion
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#region Public Overrides UxrVarInterpolator
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/// <inheritdoc />
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public override object Interpolate(object a, object b, float t)
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{
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if (UseStep)
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{
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return a;
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}
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if (a is not T ta)
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{
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return default(T);
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}
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if (b is not T tb)
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{
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return default(T);
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}
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return Interpolate(ta, tb, t);
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}
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#endregion
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#region Public Methods
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/// <summary>
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/// Interpolates between 2 values.
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/// </summary>
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/// <param name="a">Start value</param>
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/// <param name="b">End value</param>
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/// <param name="t">Interpolation factor [0.0, 1.0]</param>
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/// <returns>Interpolated value</returns>
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/// <remarks>
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/// The interpolated value will be affected by smoothing if the object was initialized with a smoothDamp value
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/// greater than 0
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/// </remarks>
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public T Interpolate(T a, T b, float t)
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{
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T result = GetInterpolatedValue(a, b, t);
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if (!RequiresSmoothDampRestart && SmoothDamp > 0.0f)
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{
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result = GetInterpolatedValue(_lastValue, result, UxrInterpolator.GetSmoothInterpolationValue(SmoothDamp, Time.deltaTime));
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}
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ClearSmoothDampRestart();
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_lastValue = result;
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return result;
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}
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#endregion
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#region Protected Methods
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/// <summary>
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/// Interpolates between 2 values. To be interpolated in child classes.
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/// </summary>
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/// <param name="a">Start value</param>
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/// <param name="b">End value</param>
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/// <param name="t">Interpolation factor [0.0, 1.0]</param>
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/// <returns>Interpolated value</returns>
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protected abstract T GetInterpolatedValue(T a, T b, float t);
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#endregion
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#region Private Types & Data
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private T _lastValue;
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#endregion
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}
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} |