My friend wrote up his approach with great explanations in a blog series here:<div><br></div><div><a href="http://acko.net/blog/making-planets">http://acko.net/blog/making-planets</a></div><div><br></div><div>He released his code on github too.</div>
<div><br></div><div><br></div><div><a href="http://acko.net/blog/making-worlds-4-the-devils-in-the-details"></a>Dan.<br><br><div class="gmail_quote">On Tue, Feb 1, 2011 at 12:50 AM, Simon Wittber <span dir="ltr"><<a href="mailto:simonwittber@gmail.com">simonwittber@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">I think I've worked it out. I need to create a "volumetric" texture,<br>
ie a Cubemap. Then use that in a pixel shader. Will post results when<br>
done.<br>
<div class="im"><br>
<br>
:: Simon Wittber<br>
:: skype: simonwittber<br>
:: phone: +61.4.0135.0685<br>
:: jabber/msn: <a href="mailto:simonwittber@gmail.com">simonwittber@gmail.com</a><br>
<br>
<br>
<br>
</div><div><div></div><div class="h5">On Tue, Feb 1, 2011 at 4:38 PM, Michael B <<a href="http://michael.sg" target="_blank">michael.sg</a>@<a href="http://gmail.com" target="_blank">gmail.com</a>> wrote:<br>
> I haven't done anything like this before but does the UV map stretch out the<br>
> texture evenly across the surface? If so can you see where the textures line<br>
> up and modify the texture image?<br>
><br>
> Michael<br>
><br>
> On 1 February 2011 16:26, Simon Wittber <<a href="mailto:simonwittber@gmail.com">simonwittber@gmail.com</a>> wrote:<br>
>><br>
>> I have a technical question for the smart people in PIGMI land... I'm<br>
>> attempting to create a procedural planet based on Perlin noise. I'm<br>
>> using a geosphere mesh, to avoid pinching of the texture at the poles.<br>
>><br>
>> The problem is, I can't work out how to texture this thing<br>
>> algorithmically. I've UV mapped this into 6 sections, but I'm not sure<br>
>> if this is going to work, as I think it will create seams, Has anyone<br>
>> done this before and has some relevant advice to offer?<br>
>><br>
>><br>
>> :: Simon Wittber<br>
>> :: skype: simonwittber<br>
>> :: phone: +61.4.0135.0685<br>
>> :: jabber/msn: <a href="mailto:simonwittber@gmail.com">simonwittber@gmail.com</a><br>
>> _______________________________________________<br>
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</div></div></blockquote></div><br></div>