IEnumerable< ContentXElement > Elements()
XAttribute? GetAttribute(string name)
void Emit(float deltaTime, Vector2 position, Hull? hullGuess=null, float angle=0.0f, float particleRotation=0.0f, float velocityMultiplier=1.0f, float sizeMultiplier=1.0f, float amountMultiplier=1.0f, Color? colorMultiplier=null, ParticlePrefab? overrideParticle=null, bool mirrorAngle=false, Tuple< Vector2, Vector2 >? tracerPoints=null)