Texture of my model isn't shown

Troubleshooting General Help
1

Hello everyone,



I’m new here and I’m not sure if this is the right forum to ask my question so please move my post if neccessary. :smiley:



I created a box in Blender and I put a UV-Texture on it. It is just a simple wooden texture. After that I used the ogre mesh exporter to export my model in a ogre mesh file. Everything worked fine and the texture got copied. After I tried to load my model in jMonkeyEngine I just see a dark grey cube. Now I would like to know why.



Here is my jMonkeyEngine code:

package de.rene.jme3.hellomodel;



import com.jme3.app.SimpleApplication;

import com.jme3.light.DirectionalLight;

import com.jme3.math.Vector3f;

import com.jme3.scene.Spatial;



/**

*

  • @author rene

    */

    public class HelloModel extends SimpleApplication {



    /

    *

    */

    public static void main(String[] args) {

    new HelloModel().start();

    }



    /

    *

    */

    @Override

    public void simpleInitApp() {

    // Ein Licht hinzufügen

    DirectionalLight sun = new DirectionalLight();

    sun.setDirection(new Vector3f(-0.1f, -0.7f, -1.0f));

    rootNode.addLight(sun);



    // Das Model laden

    Spatial sceneModel = assetManager.loadModel(“Models/Cube/Cube.mesh.j3o”);

    rootNode.attachChild(sceneModel);

    }



    }



    Where is the problem? Thanks in advance.
2

It could be several things but with your code theres nothing wrong. If the texture isnt displayed in the first place its also not referenced properly in the j3o file. Does the ogre material file have the same name as the mesh or scene file? Did you really apply the texture in blender in a way so that it can be exported? Procedural textures cannot be exported for example, see the help of the ogre exporter for more info.

Cheers,

Normen

3

I am having the same problem. I exported to “Models/ogre/” under jme3. Here are the files: (please note I have replaced the greater than/lessthan brackets with {} for the code to show)



boxFigure.scene:





{scene formatVersion=“1.0.0”}

{nodes}

{node name=“myEmpty”}//an empty locator with the main mesh

{position x=“0.020647” y=“0.024404” z=“0.029551”/}

{quaternion x=“0.000000” y=“0.000000” z="-0.000000" w=“1.000000”/}

{scale x=“1.000000” y=“1.000000” z=“1.000000”/}

{userData}

{property type=“STRING” name=“myEmpty” data=“Fred”/}

{/userData}

{/node}

{node name=“Cube”}//the main mesh

{position x=“0.000000” y=“1.056420” z="-0.000000"/}

{quaternion x=“0.496272” y="-0.503722" z=“0.498224” w=“0.501748”/}

{scale x=“1.000000” y=“1.000000” z=“1.000000”/}

{entity name=“Cube” meshFile=“Cube.mesh”/}

{/node}

{/nodes}

{externals}

{item type=“material”}

{file name=“Scene.material”/}

{/item}

{/externals}

{environment}

{colourAmbient r=“0.000000” g=“0.000000” b=“0.000000”/}

{colourBackground r=“0.056563” g=“0.220815” b=“0.400000”/}

{/environment}

{/scene}









Scene.material:

material Models/ogre/boxFigure.jpg

{

technique

{

pass

{

diffuse 0.800000 0.800000 0.800000

specular 1.000000 1.000000 1.000000 8.250000

texture_unit

{

texture boxFigure.jpg

}

}

}

}



and Cube.mesh.xml:

{mesh}

{submeshes}

{submesh material=“boxFigure/SOLID/TEX/boxFigure.jpg” usesharedvertices=“false”}

{faces count=“36”}

{face v1=“0” v2=“1” v3=“2”/}

{face v1=“0” v2=“2” v3=“3”/}

{face v1=“4” v2=“5” v3=“7”/}

{face v1=“5” v2=“6” v3=“7”/}

{face v1=“8” v2=“9” v3=“11”/}

{face v1=“9” v2=“10” v3=“11”/}

{face v1=“12” v2=“13” v3=“15”/}

{face v1=“13” v2=“14” v3=“15”/}

{face v1=“16” v2=“17” v3=“18”/}

{face v1=“16” v2=“18” v3=“19”/}

{face v1=“20” v2=“21” v3=“22”/}

{face v1=“20” v2=“22” v3=“23”/}

{face v1=“24” v2=“25” v3=“27”/}

{face v1=“25” v2=“26” v3=“27”/}

{face v1=“28” v2=“29” v3=“30”/}

{face v1=“28” v2=“30” v3=“31”/}

{face v1=“32” v2=“33” v3=“35”/}

{face v1=“33” v2=“34” v3=“35”/}

{face v1=“36” v2=“37” v3=“39”/}

{face v1=“37” v2=“38” v3=“39”/}

{face v1=“40” v2=“41” v3=“42”/}

{face v1=“40” v2=“42” v3=“43”/}

{face v1=“44” v2=“45” v3=“46”/}

{face v1=“44” v2=“46” v3=“47”/}

{face v1=“48” v2=“49” v3=“50”/}

{face v1=“48” v2=“50” v3=“51”/}

{face v1=“52” v2=“53” v3=“55”/}

{face v1=“53” v2=“54” v3=“55”/}

{face v1=“56” v2=“57” v3=“58”/}

{face v1=“56” v2=“58” v3=“59”/}

{face v1=“60” v2=“61” v3=“62”/}

{face v1=“60” v2=“62” v3=“63”/}

{face v1=“64” v2=“65” v3=“66”/}

{face v1=“64” v2=“66” v3=“67”/}

{face v1=“68” v2=“69” v3=“71”/}

{face v1=“69” v2=“70” v3=“71”/}

{/faces}

{geometry vertexcount=“72”}

{vertexbuffer positions=“true” normals=“true” texture_coords=“1”}

{vertex}

{position x=“1.000000” y="-1.000000" z="-1.000000"/}

{normal x=“0.000000” y="-1.000000" z=“0.000000”/}

{texcoord u=“0.220934” v=“0.415486”/}

{/vertex}

{vertex}

{position x=“1.000000” y="-1.000000" z=“1.000000”/}

{normal x=“0.000000” y="-1.000000" z=“0.000000”/}

{texcoord u=“0.252677” v=“0.200691”/}

{/vertex}

{vertex}

{position x="-1.000000" y="-1.000000" z=“1.000000”/}

{normal x=“0.000000” y="-1.000000" z=“0.000000”/}

{texcoord u=“0.031742” v=“0.170456”/}

{/vertex}

{vertex}

{position x="-1.000000" y="-1.000000" z="-1.000000"/}

{normal x=“0.000000” y="-1.000000" z=“0.000000”/}

{texcoord u=“0.000000” v=“0.385251”/}

{/vertex}

{vertex}

etc



I have no idea why the exporter decides to reference boxFigure.jpg as boxFigure/SOLID/TEX/boxFigure.jpg, but I have tried fixing the path from Models to no avail. I have no problem converting boxFigure.scene to a j3o, but when I open it using code like the above I get a red figure with no textures. Please help this is driving me nuts.

4

i think the scene.material needs to be renamed boxFigure.material, or something like that



look into the log when you convert the file to j3o, it should throw a warning about it.

5

Thankyou nehon… I renamed all the files boxFigure.etc and is now working as it ought. Pretty obscure fix… no wonder there has been so much swearing about my workspace.

6

Ohh ok. In my scene file there was another material file referenced. Now it is working. Thanks. :smiley: