Category Archives: Modeling

Chopped Livery

We have received a number of bug reports on the livery system in X-Plane 10, as well as complaints from both users and authors about how the system works.  This post describes what I am thinking for liveries; if this … Continue reading

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Posted in Aircraft, Aircraft & Modeling, Modeling | 20 Comments

Cutting Back on Shadows

This rather odd 747 picture is from a quick test I did to make sure the shadow options in Plane-Maker were working right after beating the shadow code silly with a hammer.  The wing objects have been marked “interior only” … Continue reading

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Posted in Aircraft, Aircraft & Modeling, Blooper Reel, Development, Modeling | 18 Comments

New OBJ Commands

I have updated the OBJ8 specification with the new X-Plane 10.10 commands.  This blog post explains why we added some of these commands. Pixel-Space Drag Manipulator The pixel-space drag manipulator is a new axis manipulator whose drag length is measured … Continue reading

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Posted in Cockpits, Development, File Formats, Modeling | 11 Comments

Consistency and HDR

At this point the only thing holding up a public beta of 10.10 is, well, me.  I am currently working on a set of related aircraft rendering bugs, and as soon as I can get the car off of jacks, … Continue reading

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Posted in Aircraft, Development, Modeling | 43 Comments

What’s New in OBJects?

I finally finished up an update to the OBJ8 specification, as well as the forest specification – see here for the documents.  These specifications are mostly of interest only to developers who are working on scenery exporters. The OBJ specification … Continue reading

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Posted in Development, File Formats, Modeling, Scenery | 31 Comments

Making Specularity Work For You

This is a screenshot of Javier’s new version of the X-15 for X-Plane 10.  In this case I have hacked the rendering engine to show the specular channel* (the alpha channel) of Javier’s normal map as the texture of the … Continue reading

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Posted in Aircraft & Modeling, Modeling | 8 Comments

X-Plane vs. Blender Normal Maps

Propsman pointed this one out to me yesterday: apparently Blender tangent-space normal maps run from a value of Z=-1 (no blue) to Z=1 (100% blue). This is not how X-Plane normal maps work; our normals go from Z=0 (no blue) … Continue reading

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Posted in Development, Modeling | Tagged | 1 Comment

Using Glass Objects in Planes

X-Plane 9 allows you to categorize objects as being on the plane’s outside, inside, or glass. X-Plane depends on these flags being right for a few things: The draw order of the airplane is determined by the object types – … Continue reading

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Posted in Aircraft, Development, Modeling, News | Tagged , , | 4 Comments

Coping With Variable Rendering Options In X-Plane 10

X-Plane 10 will have rendering options for global illumination and global shadows. This leaves one question: what if the user has these features disabled? The plan for version 10 is this: the OBJ file format will have some extensions to … Continue reading

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Posted in Development, File Formats, Modeling, News, Scenery | Tagged , , , , | 3 Comments

Performance Tuning and Future Proofing

I wrote up some performance tuning notes for OBJs on the wiki. A few notes on how these rules will change with version 10: Everything on that note applies to version 10 too. If you’ve tuned your model for version … Continue reading

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Posted in Development, Modeling | Tagged , | 2 Comments