If you did not use setCoordRefFloat() to set the coordinates, then doing a
getCoordRefFloat() will return null value. The get() values for Geometry
ByReference returns the pointer that has been set by the user. In your case,
only getColorRefFloat() and getCoordRef3f() will return non-null values.
-Uma
> Delivered-To: [EMAIL PROTECTED]
> MIME-Version: 1.0
> X-Sender: [EMAIL PROTECTED]
> Date: Sun, 12 Aug 2001 03:34:18 +0200
> From: Michael Nischt <[EMAIL PROTECTED]>
> Subject: [JAVA3D] Geometry BY_REFERENCE
> To: [EMAIL PROTECTED]
>
> hi,
>
> just played a bit with GeometryArrays BY_REFERENCE
>
> using both methods for one GeometryArray:
> void setColorRefFloat(float[] coordinates);
> void setCoordRef3f(Point3f[] coordinates);
>
> last one is used for rendering, but both references are keept right ?
>
>
> [ C O D E ]
> float[] c1 = { -1 , 0 , 0, 1 , 0 , 0 , 0 , 1, 0 };
> Point3f[] c2 = { new Point3f(-2, 0, 0) , new Point3f(0, 0, 2), new Point3f(0,
> 2, 0) };
>
> TriangleArray ta = new TriangleArray(3, GeometryArray.BY_REFERENCE |
> GeometryArray.COORDINATES);
> ta.setColorRefFloat(c1);
> ta.setCoordRef3f(c2);
>
> float[] c3 = ta.getCoordRefFloat();
> ta.setCoordRefFloat(c3); // <---- adding this line crashes the
> programm, why ?
>
> Shape3D shape = new Shape3D(ta);
> [ / C O D E ]
>
> with adding the marked line crahses the programm
>
> is this a bug ?
> any suggestions ?
>
>
> greetings
> Michael Nischt
>
> (using SUN JDK 1.3.1 with Blackdown J3D 1.2.1 and/or SUN JDK 1.4.0 beta with
> Blackdown J3D 1.2.1 both on Linux)
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