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DarkBASIC Professional Discussion / scruffy sprites

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fatbiffa
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Posted: 16th Apr 2003 13:28
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I'm having stress with a few sprites - most draw fine using black as alpha cut out, but one or two don't draw properly.

i'm using patch4, haven't tried it unde patch3.1
the alpha'd areas are black rgb 0,0,0
a dark line appears around parts of the outline, never inside the sprite
I can't see any pattern why a few don't draw right when most do

any clues folks?
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MrTAToad
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Posted: 16th Apr 2003 13:44
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You haven't converted BMP's from JPEG's have you ? That could cause the problem due to anti-aliasing.

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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fatbiffa
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Posted: 16th Apr 2003 14:25
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nope, they're honest-to-goodness TGA's with no alpha channel saved as 24bit.

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Richard Davey
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Posted: 16th Apr 2003 14:37
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Use the alpha-channel capability of the TGA (or PNG) format to create your transparent areas, not the colour black. It's far more efficient and you won't get the problems you're getting now.

Cheers,

Rich

"Gentlemen, we are about to short-circuit the Universe!"
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fatbiffa
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Posted: 16th Apr 2003 15:04
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ok.. ok....
select colour... create alpha channel... save as 32 bit...
recomplile and run exe...

nope, draws exactly the same ;0(

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IanM
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Posted: 16th Apr 2003 15:06
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... and don't forget to add the extra ',1' to your LOAD IMAGE command to disable anti-aliasing.
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MrTAToad
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Posted: 16th Apr 2003 15:25
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What paint package are you using by the way ?

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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fatbiffa
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Posted: 16th Apr 2003 15:29
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photo-chop6, maya4, DBPro4, DX9

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fatbiffa
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Posted: 16th Apr 2003 15:33
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aha! cheers Mr M. - switching anit-aliasing off does the trick!

i'd be lost without this forums - feel the love! GROUP HUG!

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MrTAToad
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Posted: 16th Apr 2003 15:38
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I really must start using something other than Paint...

Glad you got it sorted.

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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