private float Derive(float t, float duration, AnimationCurve curve)
{
switch (diffType)
{
case DifferenceType.Backward:
return(DerivativeHelpers.BackwardDerivative(t, duration, curve.Evaluate));
case DifferenceType.Forward:
return(DerivativeHelpers.ForwardDerivative(t, duration, curve.Evaluate));
case DifferenceType.Central:
return(DerivativeHelpers.CentralDerivative(t, duration, curve.Evaluate));
case DifferenceType.Symmetric:
default:
return(DerivativeHelpers.SymmetricDerivative(t, duration, curve.Evaluate));
}
}
public void UpdateState()
{
float t = recoilTime - timeLeft;
if (freezeGravity)
{
physics.velocity.Value = recoilForce * DerivativeHelpers.ForwardDerivative(t, recoilTime, recoilEase.Evaluate);
}
else
{
physics.velocity.X = recoilForce.x * DerivativeHelpers.ForwardDerivative(t, recoilTime, recoilEase.Evaluate);
}
physics.ParalyzedUpdate();
if (timeLeft <= 0)
{
stateMachine.SetDefaultState();
}
else
{
timeLeft -= Time.deltaTime;
}
}