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Bug Reports / Another Object Clipping Bug

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Hamish McHaggis
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Posted: 4th Jul 2005 04:09 Edited at: 5th Jul 2005 08:34
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This seems to be a reoccuring bug . If you scale the object first and then offset the base limb (with the update bounds flag set to 1), then the clipping occurs as if the object were smaller. If you scale the object afterwards then there will be no problem.



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Hamish McHaggis
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Posted: 12th Jul 2005 21:11
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Anyone get this problem?

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OSX Using Happy Dude
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Posted: 13th Jul 2005 02:54 Edited at: 13th Jul 2005 02:54
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I get this whether the two commands are swapped around or not, which certainly seems okay.

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Hamish McHaggis
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Posted: 13th Jul 2005 05:54
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Sorry, maybe I should explain in more detail, rotate the camera so the object is nearly off of the screen. The object disappears before it has actual disappeared out of view for me.

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Posted: 13th Jul 2005 08:28
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Cant say it does for me - both are still displayed correctly, with this :

scale object 1,200,200,200
offset limb 1,0,0,10,0,1

George "Dubya" Bush says: 'I play AtomZ to keep my brain supple. Here it found be:http://homepages.nildram.co.uk/~nickk'
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OSX Using Happy Dude
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Posted: 13th Jul 2005 08:29
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offset limb 1,0,0,10,0,1
scale object 1,200,200,200

George "Dubya" Bush says: 'I play AtomZ to keep my brain supple. Here it found be:http://homepages.nildram.co.uk/~nickk'
http://spaces.msn.com/members/BouncyBrick/

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Hamish McHaggis
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Posted: 13th Jul 2005 22:57
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You have tried this even when the wireframe cube is offscreen completely? You have to rotate the camera a bit further than the point where the wireframe cube is off screen, then for me at least the ghosted cube disappears suddenly. It's very weird if you aren't getting this problem.

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Posted: 13th Jul 2005 23:24 Edited at: 13th Jul 2005 23:24
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It happens on my Geforce 4 MX - so, I'll check again on my X700 later on - its possible I didn't rotate far enough or something. Better safe than sorry, eh ?

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OSX Using Happy Dude
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Posted: 14th Jul 2005 02:30
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Yes, it does happen on the X700 - probably wasn't moving it far enough...

George "Dubya" Bush says: 'I play AtomZ to keep my brain supple. Here it found be:http://www.nichkk.plus.com/'
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Hamish McHaggis
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Posted: 1st Oct 2005 14:43
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Bump for bug fix

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Mike Johnson
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Posted: 1st Oct 2005 16:40
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To keep things simple I removed object 2 out of the equation.

When I ran the demo if I moved the camera to the right, left, up or down the ghosted cube would disappear even though it should have still been drawn.

I swapped the order as you said so that "offset limb" was called first and then "scale object" and the cube was shown correctly.

The fix internally for this is quite simple - all we need to do is update the radius for visibility culling when "offset limb" is used.

In 5.9 your demo works regardless of the order of those 2 commands.
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