Allan,
Did you specify TexCoordGeneration for the two texture unit states?
Charmaine Lee
Java3D Team
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> Date: Tue, 18 Sep 2001 20:28:16 +0200
> From: Allan Andersen <[EMAIL PROTECTED]>
> Subject: [JAVA3D] Semantics for texCoordSetMap - Strange colorisation?!
> To: [EMAIL PROTECTED]
>
> Hi,
>
> I'm using an Appearence object with two texture unit states, A blue and a
> red texture (texture mode = decal). I apply the Appearence object and a
> GeometryArray object to a Shape3D object. The GeomertyArray is constructed
> with these properties:
> 1) vertexFormat = Normals | Coordinates | Texture_Coordinates_2 (i.e no
> colors!!!)
> 2) texCoordSetCount=2
> 3) TextureCoordSetMap looking like this:
>
> Index | Element
>
> 0 -1
> 1 -1
>
> Then my interpretation of this TextureCoordSetMap would be:
> The "Index" column coresponds to the TextureUnitStates defined in the
> Appearence object.
> The "Element" column coresponds to the coordinate sets in the geometry
> array.
>
> When I define both values in the element colum to be -1, then no textures is
> shown a runtime, but the triangles in the mesh are colored purple. I would
> have expected the color of the mesh would have been colored based om the
> normal and defined light sources. Can anyone explain why I'm seeing this
> purple (haze)????
>
> Does anyone have a running example using three texture unit states, where
> one one texture unit is used per geometry array (i.e. two elements would -1
> in the TextureCoorSetMap, and one points to a texture unit) which is
> rendered without additional colors from the two unused texture units??
>
> Regards,
> Allan
>
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