public EffectDescriptionBuilder SetOffsetImpactTime(float offsetImpactTimeBasedOnDistanceFactor, float offsetImpactTimePerTarget) { effect.SetOffsetImpactTimeBasedOnDistance(true); effect.SetOffsetImpactTimeBasedOnDistanceFactor(offsetImpactTimeBasedOnDistanceFactor); effect.SetOffsetImpactTimePerTarget(offsetImpactTimePerTarget); return(this); }