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DarkBASIC Professional Discussion / Can anyone tell me why I get "matrix coordinates illegal"

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Guardian
22
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Joined: 30th Sep 2003
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Posted: 26th Oct 2003 08:50
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I've been trying to figure out why this code wont work. If anyone can tell me I'd really appreciate it.


make matrix 1,512,512,64,64
prepare matrix texture 1,1,64,64
for a=1 to 64 step 1
for b=1 to 64 step 1
for c=1 to 64 step 1
SET MATRIX TILE 1, a, b, c
next a
next b
next c
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Scraggle
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23
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Joined: 10th Jul 2003
Location: Yorkshire
Posted: 26th Oct 2003 09:10
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Two obvious things spring to mind.

1) 'step 1' is an unneccessary command. FOR...NEXT loops will automatically use a step value of one if you leave this command out. It won't cause any problems but it can save you some typing.

2) Each FOR...NEXT loop needs to be closed before the next is opened. So the three lines reading next a, next b, next c should be in the order c,b,a.
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ReD_eYe
23
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Joined: 9th Mar 2003
Location: United Kingdom
Posted: 26th Oct 2003 09:27
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for textures youy have to take 1 off the total matrix size as the coordinates are based on the bottom left hand corner
so do this



but what exactly are you trying to do?


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