public void SetParentTransform(ParticleTransform parentTransform)
{
var notNull = (parentTransform != null);
var ownScale = Scale * ScaleUniform;
WorldScale = (notNull && InheritScale) ? ownScale * parentTransform.WorldScale.X : ownScale;
WorldRotation = (notNull && InheritRotation) ? Rotation * parentTransform.WorldRotation : Rotation;
var offsetTranslation = Position * ((notNull && InheritScale) ? parentTransform.WorldScale.X : 1f);
if (notNull && InheritRotation)
{
parentTransform.WorldRotation.Rotate(ref offsetTranslation);
}
WorldPosition = (notNull && InheritPosition) ? parentTransform.WorldPosition + offsetTranslation : offsetTranslation;
}
/// <summary>
/// Sets the parent (particle system's) translation, rotation and scale (uniform)
/// The module can choose to inherit, use or ignore any of the elements
/// </summary>
/// <param name="transform"><see cref="ParticleSystem"/>'s transform (from the Transform component) or identity if local space is used</param>
/// <param name="parent">The parent <see cref="ParticleSystem"/></param>
public virtual void SetParentTRS(ParticleTransform transform, ParticleSystem parent)
{
SetParentTransform(transform);
}