Game Development Reference
5. Press the spacebar to get to selecion mode and click in a blank area of the screen
to deselect everything.
Now, click on the Smoove tool, type 40 and press Enter . This gives you a broad brush
to work with.
Click on the terrain. Move the mouse up and down to raise or lower the terrain, as
you can see in the following screenshot:
8. Click when you're done. You can undo this modiicaion with Ctrl-Z ( Cmd-z on Mac OS).
9. Do this a few imes over the terrain to get the rough geometry you want.