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AppGameKit Classic Chat / Loading 3d objects with textures

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nz0
AGK Developer
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Joined: 13th Jun 2007
Location: Cheshire,UK
Posted: 6th Mar 2013 00:15
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So, I've read a few threads and tried out loading some objects.

I can load OBJ files but cannot get any loaded with their textures.
Does this mean I have to apply textures manually for all 3d objects?

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MikeMax
AGK Academic Backer
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Joined: 13th Dec 2011
Location: Paris
Posted: 7th Mar 2013 04:48
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Yes .. by using the SetObjectImage(ObjectObjID,TextureImageID,TextureStage) command.

Actually (108beta8) AppGameKit doesn't support MTL Files (Multiple materials in one OBJ model file) (but you can implement it by yourself splitting Obj File by materials in a function).

Other way is to remap Textures and UVs to have only one atlas texture over the OBJ (a software like Unwrap3D is doing this very well and there is a tutorial for doing that on http://www.unwrap3d.com ).
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nz0
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Posted: 8th Mar 2013 00:07
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I noticed that about the mtl files.
Well, I only need a plane at the moment. I guess I can shift the texture on a plane..(?) will give that a go.

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nz0
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Posted: 8th Mar 2013 00:30
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um, I can't see how to affect the UV offsets of the texture in code. Is it even possible yet?

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MikeMax
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Posted: 8th Mar 2013 02:16
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A texture uv offset command has been requested on the forum (but not in the requests in the google code AppGameKit website ..) . But it is actually possible using Shaders ... (but a little complicated for a simple offset (but doable)
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