for (int y = ys - 3; y < ys + 3; y++)
for (int z = zs - 3; z < zs + 3; z++) {
Block block = par2World.getBlock(x, y, z);
if (block != null && block instanceof BlockGas) {
BlockGas gas = (BlockGas) block;
gas.placeParticle(par2World, x, y, z);
par2World.setBlock(x, y, z, Blocks.air, 0, 1 | 2);
}
}
par2World.playSoundAtEntity(par3EntityPlayer, "thaumcraft.wand", 0.2F, 1F);