by Fozzer » Sun Jan 25, 2015 3:46 pm
Excellent effect!....

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...Tumble-weeds needed!....

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I once faked a similar "Tornado" curly cloud effect, using special clouds set near the ground!
Paul....

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Win 8.1 64-bit. DX11. Advent Tower. Intel i7-3770 3.9 GHz 8-core. 8 GB System RAM. AMD Radeon HD 7700 1GB RAM. DVD ROM. 2 Terra Byte SATA Hard Drive. Philips 17" LCD Monitor. Saitek Cyborg X Fly-5 Joystick. ...and a Briggs and Stratton Petrol Lawn Mower.