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Missed Line


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#1 Tommato   Members   -  Reputation: 168

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Posted 12 March 2013 - 07:01 AM

Hi All
 
In glOrtho I'm drawing a line with  2 points (x, y, z)
 
(434, 500, 400)
(1190, 500, -1152)
 
But the line is not displayed. However if I change z in debugger (from -1152 to 400), then all is Ok, a horizontal line appears. Same results with glDrawArrays, glDrawArrays and just glBegin/glEnd
 
Any advice?
 
Thanks
Tom

Edited by Tommato, 12 March 2013 - 07:02 AM.


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#2 Ashaman73   Crossbones+   -  Reputation: 11959

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Posted 12 March 2013 - 08:04 AM

I would guess, that your line is behind your orthogonal camera.


Ashaman

 

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#3 GeneralQuery   Crossbones+   -  Reputation: 1263

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Posted 12 March 2013 - 08:08 AM

How do you have your projection matrix set up?



#4 Tommato   Members   -  Reputation: 168

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Posted 13 March 2013 - 04:32 AM

Hi All,

 

Solved, it was my mistake in bounding box calculation.!!

Thanks for your replies

 

Tom






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