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AR: Light and specular reflections?
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@Z7_DigitalMedia

Posts: 3

NGLNewbie

Wed, Aug 22 2012


Hi,
I'm a vuforia user, and I've tested your AR sample with my own model and materials, great way to use obj with UV texture from max!
But I don't understand how to set up light and specular reflections (like we have in other samples like offscreen or custom meshes for example).
Is it possible?

Thanks!
0% like this - 0/0

@dineybomfim

Posts: 571

NGLAdmin

Wed, Aug 22 2012


In response to: @Z7_DigitalMedia

Hello dude,

Yes.

In the AR sample you'll find this line: "nglGlobalLightEffects(NGLLightEffectsOFF);".
It turns off the lights.

Remove this line and the lights will be back.

However remember that lights are also a NGLObject3D, so you must make a "rebase" on it as well, or your meshes with AR will be very very distant from the light source.
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@Z7_DigitalMedia

Posts: 3

NGLNewbie

Thu, Aug 23 2012


In response to: @dineybomfim

Hi man,

Very thank you for your great tool and support!
Ok for light on (don't know how I didn't seen it..).

So now, I have a great result.
But, can you tell me where to find the exact definition for each parameter of .mtl file? (tl Ns Ni d Tr Tf Ka Kd Ks Ke..). Thought googling would give me the answer, but not..).

Thanks in advance!
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@dineybomfim

Posts: 571

NGLAdmin

Thu, Aug 23 2012


In response to: @Z7_DigitalMedia

Well, it's a hard task to find information about these formats, if you really want to learn more about Wavefront formats, this could be a good ref.

http://www.fileformat.info/format/material
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@Z7_DigitalMedia

Posts: 3

NGLNewbie

Mon, Aug 27 2012


In response to: @dineybomfim

Wow.. it seems very complete (and hardest to understand than I thought), thank you!
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