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missing texture parts
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Tue, May 7 2013


Hello there!
Is there any way to set the material/texture/color of polygons that are not covered with texture? So to speak, textures that are not complete (i do not mean the backface).
In iOS 6.1 simulator these texture areas are either displayed in a brown color (NGLTextureOptimizeNone) or transparent (NGLTextureOptimizeBilinear/Trilinear). On a device these texture areas are snowing (noising).

Any ideas?
Thanks!
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@dineybomfim

Posts: 571

NGLAdmin

Wed, May 8 2013


In response to: @TRWerkD

Hello,

There is no runtime texture drawing in NinevehGL. If you need to change the pixels of a texture in runtime you have to create your own routine.

NinevehGL just offers the material colors, which are solid colors.
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Mon, May 13 2013


In response to: @dineybomfim

Thank you for your fast answer!

I got another problem with textures now. The model looks different in the simulator and on a device:

Simulator:




Device:





Neither
nglGlobalTextureQuality(...);

nor
nglGlobalTextureOptimize(...);

affects this problem.

Thanks!
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@dineybomfim

Posts: 571

NGLAdmin

Mon, May 13 2013


In response to: @TRWerkD

Doesn't seems to be a texture problem.

Are you rotating the mesh automatically?
Seems you're looking from bottom at the device.

NinevehGL offers functions like "nglGlobalFrontAndCullFace(NGLFrontFaceCCW, NGLCullFaceNone);" that can flip the mesh faces or even render both sides.
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