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The 640 MEG Shareware Studio 2
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The 640 Meg Shareware Studio CD-ROM Volume II (Data Express)(1993).ISO
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animate
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HOVERING.DOC
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1991-05-21
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About Chopper-demo:
===================
This demo was made with Rayscene 1.33 (by Jari Kähkönen and Panu Hassi)
and DKBTracer (by David Buck). It features simple chopper "Holecopter" ho-
vering above ground. All objects, rendering, animation etc by J. K{hk|nen.
Chopper-demo was originally 889k, but I used few tricks to reduce it's size.
These tricks are "sweep", "close" and masking. Sweep and close are ink-names.
Sweep removes isolated pixels and close closes empty single holes in lines.
(Select sweep as ink and draw big rectangle over picture...). Masking is nice
feature of Autodesk Animator. You can "mask" areas of screen and make them
untouchable. In chopper, background, cockpit and all other "non-moving" areas
are unmasked and first screen is copied over current screen. Masking protects
masked area, so only unmasked areas are changed. After sweep&close, size was
829k and after lotsa masking it was 276k (and still there's some masking to
do, but I'm not going to waste anymore time to this...:). Size is now 279, so
you have to suffer worth 3k, because I wanted to add my address to animation.
Next Holecopter-animation should contain copter taking off and landing...
That might be 1/4 screen animations, since masking is not easy to do if object
moves...But originals are always available from me...(how about 2.5M of passin-
by animation...?)
Wanna get more information or send some comments?
Contact:hole@rieska.oulu.fi or hole@tolsun.oulu.fi
-Jari Kähkönen