Hi Gregg,
There's an example of how to do this in the You Built It VR code (see my .sig
at the bottom of this e-mail for the URL). Look in the file
contest/parts/EastWest.java in combination with the method "setTexture" in
contest/parts/PositionedElement.java.
Hope this helps...
Steve
"Hock, Gregg" wrote:
> Hi all,
> Sorry if you have previously seen this problem...
> I am trying to put an image down as a texture on a rectangle. I've tried
> creating the rectangle using both GeometryArray and PointArray but the
> textured object never appears!. The rectangle appears fine if there is no
> texture. The error is coming from the renderer and is as follows:
> javax.media.j3d.IllegalRenderingStateException: Cannot do texture without
> specifying texture coords in geometry object.
>
> Help!
>
> Here are the basics of my code.
>
> //Define 4 coord points
> Point3f[] parray = new Point3f[4];
> parray[0] = new Point3f( 0.0f, 0.0f, 0.0f);
> parray[1] = ...
> parray[2]
> parray[3] = ...
>
> //Create the appearance
> Appearance app = new Appearance();
> Texture tex = new TextureLoader( some String for the image, this
> ).getTexture();
> app.setTexture(tex);
>
> //Create the shape
> Shape3D texshape = new Shape3D();
>
> //Create the Geometry for the shape
> PointArray texgeom = new PointArray( parray.length,
> GeometryArray.COORDINATES |
>
> GeometryArray.TEXTURE_COORDINATE_2 );
> texgeom.setCoordinates(0,parray);
> texgeom.setTextureCoordinates(0,parray);
>
> //Apply geometry to shape
> texshape.setGeometry(texgeom);
>
> //Apply appearance
> texshape.setAppearance(app);
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--
Steve Pietrowicz - [EMAIL PROTECTED] Project Manager - NCSA Java 3D Group
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