[osg-users] basic texturing

[Sajjadul Islam]

Hi forum, 

I have a textue2D object with a image and i want to warp each face of the cube 
with the same texture. 

In OpenGL, i generate the texture coordinates for each of the cube faces. 

How do it OSG? I have been trying the following, but getting the distorted 
result:


Code:

    osg::ref_ptr<osg::Vec2Array> texCoords = new osg::Vec2Array;
    texCoords->push_back(osg::Vec2(0.0f,0.0f));
    texCoords->push_back(osg::Vec2(0.0f,1.0f));
    texCoords->push_back(osg::Vec2(1.0f,1.0f));
    texCoords->push_back(osg::Vec2(1.0f,0.0f));

    geom->setTexCoordArray(0,texCoords.get());




The above snippet works fine for one face only and rest of the faces get 
distorted.
I am rendering each element as quad follows:


Code:

    // Add primitiveset to draw a cube
    osg::ref_ptr<osg::DrawElementsUInt> drawingElements = new 
osg::DrawElementsUInt(GL_QUADS);

    //front face
    drawingElements->push_back(0);
    drawingElements->push_back(1);
    drawingElements->push_back(5);
    drawingElements->push_back(4);

    //right face
    drawingElements->push_back(1);
    drawingElements->push_back(2);
    drawingElements->push_back(6);
    drawingElements->push_back(5);
...........................................
...........................................






Thanks
Sajjadul

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=52664#52664





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