private void calculateSpecificStrain(VitaruHitObjectDifficulty previousHitObject, VitaruDifficultyCalculator.DifficultyType type, double timeRate)
{
double addition = 0;
double timeElapsed = (BaseHitObject.StartTime - previousHitObject.BaseHitObject.StartTime) / timeRate;
double decay = Math.Pow(DECAY_BASE[(int)type], timeElapsed / 1000);
if (BaseHitObject.Type == HitObjectType.Enemy)
{
addition = spacingWeight(DistanceTo(previousHitObject), type) * spacing_weight_scaling[(int)type];
}
// You will never find maps that require this amongst ranked maps.
addition /= Math.Max(timeElapsed, 50);
Strains[(int)type] = previousHitObject.Strains[(int)type] * decay + addition;
}
internal void CalculateStrains(VitaruHitObjectDifficulty previousHitObject, double timeRate)
{
calculateSpecificStrain(previousHitObject, VitaruDifficultyCalculator.DifficultyType.Speed, timeRate);
calculateSpecificStrain(previousHitObject, VitaruDifficultyCalculator.DifficultyType.Aim, timeRate);
}
internal double DistanceTo(VitaruHitObjectDifficulty other)
{
// Scale the distance by hitbox size.
return((startPosition - other.endPosition).Length * scalingFactor);
}