[osg-users] Animating Textures

Voerman, L. l.voerman at rug.nl
Thu Aug 27 00:48:14 PDT 2015


Hi Sam,
I once solved this with an sequence of textureMatices, (example attached).
Wat solution did you find?
Regards, Laurens.

On Thu, Aug 27, 2015 at 12:12 AM, sam <brkopac at gmail.com> wrote:

> Nevermind! As always, simply searching OSG popped up what I needed. Thanks!
>
> On Wed, Aug 26, 2015 at 3:10 PM, sam <brkopac at gmail.com> wrote:
>
>> I can appreciate your stance on going to shaders, and I completely agree.
>> I'd like to quickly prototype this up and swapping to shaders will,
>> unfortunately, take me a little bit. Is there an example of modifying the
>> texture matrix? Also would I be better of attaching an update callback to
>> the state set itself?
>>
>> Thanks, Sam
>>
>> On Wed, Aug 26, 2015 at 3:04 PM, Sebastian Messerschmidt <
>> sebastian.messerschmidt at gmx.de> wrote:
>>
>>> As always I'd suggest shaders, as fixed function pipeline has been
>>> deprecated 10 years ago ;-)
>>> You could use the osg_SimulationTime uniform to modify the
>>> uv-coordinates based on the time passed.
>>> Else you will need to modify the texture matrix each frame (like in the
>>> suggested callback)
>>>
>>> Cheers
>>> Sebastian
>>>
>>> Hi All,
>>>
>>> I have individual nodes that have textures on them that animate; That's
>>> to say the texture moves not the actual mesh. I've been trying to figure
>>> out how to accomplish this in OSG. Is there a way to define a texture
>>> matrix that does movement? The only other way I can think of is
>>> manipulating the UV coordinates in an update callback.
>>>
>>> Thanks, Sam
>>>
>>>
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>>>
>>>
>>>
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>>
>
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