I don't know why you'd even want to do this, but just look at the code a bit.
This creates the actual projectile.
Code:
c.getPA().createPlayersProjectile(pX, pY, offX, offY, 50, getProjectileSpeed(), getRangeProjectileGFX(), 43, 31, - c.oldPlayerIndex - 1, getProjectileShowDelay());
So I guess it'd be something like,
Code:
case OBJECTID:
c.objectDistance = 6;
c.objectYOffset = 1;
c.getPA().createPlayersProjectile(pX, pY, offX, offY, 50, getProjectileSpeed(), getRangeProjectileGFX(), 43, 31, - 1, getProjectileShowDelay());
break;
I guarantee the above case wont work but i hope i at least gave you somewhat of an idea.