Thanks for your answer.
----- Original Message -----
From: "Bob Dengle" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, July 20, 2001 6:16 PM
Subject: Re: [JAVA3D] the object disappear if i set a material.
| Hi
|
| In case you're interested, normals are used for calculating lighting. A
| shape without normals means that no lighting can be applied, so it appears
| completely black.
|
| B.D.
|
|
| >From: Borja Marcos Su�rez <[EMAIL PROTECTED]>
| >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]>
| >To: [EMAIL PROTECTED]
| >Subject: Re: [JAVA3D] the object disappear if i set a material.
| >Date: Fri, 20 Jul 2001 15:25:01 +0200
| >
| >Thanks for your answer, Joachim Diepstraten
| >
| >I have found the error. Im sure that is a newbie error.
| >When I saved the scene I wrote in my file all the vertex of the object, but
| >no the normals.
| >
| >All I have done is write the Normal for each vertex, and in the loader
| >class, load the normal for each vertex.
| >Now it works.
| >
| >I dont understand well why happens this, but the important thing by the
| >moment is that the program works. :)
| >
| >
| >
| >
| >
| >----- Original Message -----
| >From: "Joachim Diepstraten" <[EMAIL PROTECTED]>
| >To: <[EMAIL PROTECTED]>
| >Sent: Friday, July 20, 2001 9:35 AM
| >Subject: Re: [JAVA3D] the object disappear if i set a material.
| >
| >
| >| Hi Borja
| >|
| >| > I have written code for saving the scene to my own file format. In this
| >file I save all the vertex and the material of the shape3d.
| >| >
| >| > When I load the scene if I set a material to the shape3d appearance,
| >the object disappears. What is happening?
| >| >
| >| > I think all is working fine if I dont set the material and texture of
| >the object, but I need loading that.
| >| >
| >| > Please help me because its urgent.
| >| Hmm maybe you don't have any lights? Or turned off. Normaly Shapes nodes
| >| when created with the default constructor come with a default appearance
| >| which uses a material which has as emissive color 1.0f, 1.0f, 1.0f
| >| appearing completly white. So if you don't have any
| >| light source this shape will still appear.
| >|
| >| EOF,
| >| J.D.
| >|
| >| --
| >| Realtime Raytracer in JAVA
| >| (http://www.antiflash.net/raytrace)
| >|
| >|
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| >
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|
|
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