I have the feeling there is a reason for them not to show the water emitter in a vertical position. I hope the water will be affected by gravity when it comes out. But I think that will happen in a future update. The particle effect now look like particle animations while it would be nice to actually have particles shooting from the emitter. Then we could shoot water of paths.
They did show it in a vertical position - I think you mean horizontal.
Looking at it, I do think it IS affected by gravity, but can't be 100% sure until we get them and see them, Wonder how long before someone puts it on the pirate in a horizontal position, lower down than they did with the confetti. [pirate]
Can't wait to have a play around with these, lights and tunnels, it's going to look awesome in the dark areas. True dark ride can be built in the terrain with a shell of a building around it!