Well,Chris. Just as you assumed,my case is quite complicated. I have to make a
growing up effect HUD, ie, dynamically scaled up one. Use Mt to scale the HUD
node will never work since we set the camera ABSOLUTE_RF mode. Then i tried to
use the setviewmatrix method to scale it up but this won't work,too.
The only way I 've found working is to scale up the raw image passed to
draw the pic. The drawable can be a texture or a drawpixels and i use the
latter one. To enable dynamic effect, I have to use a custom NodeCallBack class
to handle it. Each callback time I have to set and scale the image to the
drawpixels to show a growing up scaled size.
But since I saw the HUD content of your github link, I guess the
SnapImage struct the author creates may be a new way to handle this job.I 'll
try it in the next following days. Thank you,guy!|-)
Chris Hanson wrote:
>
>
> I was just trying to be thorough and complete because I wasn't clear on the
> situation, so I was throwing all possibilities out there to see if that was
> the reason I wasn't getting it.
>
>
> Normally making a HUD is pretty straightforward (
> https://github.com/openscenegraph/OpenSceneGraph/tree/master/examples/osghud
> (https://github.com/openscenegraph/OpenSceneGraph/tree/master/examples/osghud)
> ) so I assumed this must be a more complex case.
>
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=75429#75429
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