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DarkBASIC Professional Discussion / spiral wipe

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fatbiffa
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Joined: 15th Jan 2003
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Posted: 6th Mar 2003 20:08
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What's the best way to create a spiral wipe, initially from the centre of the screen, to black out the entire screen?
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MrTAToad
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Joined: 26th Aug 2002
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Posted: 6th Mar 2003 21:24
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Give me a moment, and I'll write a routine for it.

Good news everyone! I really am THAT good...
http://www.nickk.nildram.co.uk/ for great plug-ins - oh my, yes!
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MrTAToad
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Posted: 6th Mar 2003 21:30
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The only problem is that the circle command's radius parameter does skip pixels unfortunately, so you shouldn't exclusively use a circle wipe.

Good news everyone! I really am THAT good...
http://www.nickk.nildram.co.uk/ for great plug-ins - oh my, yes!
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The Darthster
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Joined: 25th Sep 2002
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Posted: 7th Mar 2003 01:02
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You could always texture a plain with a spiral texture, then place it right in front of the camera and scale and rotate it accordingly. You would need a texture kind of like a comma, starting at a radius of about 1 and spiralling out through 360 degrees to a radius of 2 at the end. Here's an example of a texture:



but obviously yours would be filled in better and slightly off black with a black background. The hard part is getting it to scale properly when rotated.

Once I was but the learner,
now, I am the Master.
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andrew11
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Joined: 23rd Feb 2003
Location: United States
Posted: 7th Mar 2003 06:00
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Is this what you want? I thought it was kind of cool (and creepy). I used part of TheDarthster's code (hope you don't mind ). It can be changed to clear in only on pass.



"All programmers are playwrights and all computers are lousy actors."
-Anon.
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fatbiffa
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Posted: 7th Mar 2003 15:18
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cheers fellas - top work!

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QuothTheRaven
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Posted: 8th Mar 2003 06:12
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see how that floats your boat

Darken the skies, we are god
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