public static float DeltaMod(float currentPitch, float delta, float softMax = 45F, float hardMax = 85F)
{
//doesnt work for input above 90F pitch, unity might invert roll and decrease pitch again
//transform into -180 to 180 range (allowed input range = 0-360F )
float wrapped = Wrap.Float(currentPitch, -180F, 180F);
float sign = Mathf.Sign(wrapped);
float absolute = Mathf.Abs(wrapped);
// treat current as mapped value, so unmap it via reversing
// https://rechneronline.de/function-graphs/
// revert remap: e^((((log(x/45)+1)*45)/45)-1)*45
// remap: (log(x/45)+1)*45
float remapped = absolute;
if (absolute > softMax)
{
// e^ (( (( log( x/45 )+1 )*45 ) /45 ) -1 )*45
// remapped = Mathf.Exp(( (( Mathf.Log(remapped/softMax)+1F )*softMax ) /softMax) -1F)*softMax ;
remapped = Mathf.Exp((remapped / softMax) - 1F) * softMax;
//x*0.5+45*0.5
}
//apply delta to unmapped, sign needs to be taken into consideration for delta
remapped += (delta * sign); //float raw = remapped +(delta *sign);
//remap, only needed if exceeding softrange
if (remapped > softMax)
{
// (( log( x/45 )+1 )*45 )
remapped = ((Mathf.Log(remapped / softMax) + 1F) * softMax);
//x*0.5+45*0.5
}
remapped *= sign;
remapped = Mathf.Clamp(remapped, -hardMax, +hardMax);
float newDelta = (remapped - wrapped);
//print( "wrapped\t"+wrapped+" (from:"+currentPitch+")"+"\nremapped\t"+remapped +" (raw :"+raw+")");
return(newDelta);
// return delta;
}
