Hi,
here's an example for mesh deforming with mouse in lite-c A7.07

just copy the link into your address-bar :

http://m_auer.byethost3.com/3dgs/terrain_deforming/terrain_deforming.zip

Although it's scripted quite ugly, it could be useful,
the script can be used by everyone for everything, no credits required.

Stromausfall