public static void CalcBlendPctByFunc(BaseAlgorithm.EViewTargetBlendFunction inIndirectViewSightFunc, float inIndirectViewSightExp, float DurationPct, out float BlendPct)
{
BlendPct = 0f;
switch (inIndirectViewSightFunc)
{
case BaseAlgorithm.EViewTargetBlendFunction.VTBlend_Linear:
BlendPct = BaseAlgorithm.Lerp(0f, 1f, DurationPct);
break;
case BaseAlgorithm.EViewTargetBlendFunction.VTBlend_Cubic:
BlendPct = BaseAlgorithm.CubicInterp(0f, 0f, 1f, 0f, DurationPct);
break;
case BaseAlgorithm.EViewTargetBlendFunction.VTBlend_EaseIn:
BlendPct = BaseAlgorithm.FInterpEaseIn(0f, 1f, DurationPct, inIndirectViewSightExp);
break;
case BaseAlgorithm.EViewTargetBlendFunction.VTBlend_EaseOut:
BlendPct = BaseAlgorithm.FInterpEaseOut(0f, 1f, DurationPct, inIndirectViewSightExp);
break;
case BaseAlgorithm.EViewTargetBlendFunction.VTBlend_EaseInOut:
BlendPct = BaseAlgorithm.FInterpEaseInOut(0f, 1f, DurationPct, inIndirectViewSightExp);
break;
}
}
public static float FInterpEaseInOut(float A, float B, float Alpha, float Exp)
{
float alpha;
if (Alpha < 0.5f)
{
alpha = 0.5f * Mathf.Pow(2f * Alpha, Exp);
}
else
{
alpha = 1f - 0.5f * Mathf.Pow(2f * (1f - Alpha), Exp);
}
return(BaseAlgorithm.Lerp(A, B, alpha));
}
public static float FInterpEaseOut(float A, float B, float Alpha, float Exp)
{
return(BaseAlgorithm.Lerp(A, B, Mathf.Pow(Alpha, 1f / Exp)));
}