double z = bc.z+0.5;
CoreParticle c = ParticleManagement.instance.spawn(world, "box", x, y, z);
if (c != null)
{
IParticleBuilder build = new IParticleBuilder() {
@Override
public void build(CoreParticle c2)
{
ParticleLogicIconShift iconshift = ParticleLogicIconShift.fluttering();