Hi all,
thank you for your suggestions.
the original vertex code is :
depthField.vert
-----------------
attribute vec3 Vertex;
uniform mat4 ProjectionMatrix;
uniform mat4 ViewMatrix;
uniform mat4 ModelMatrix;
uniform vec3 ModelScale;
varying vec4 vPosition;
void main ()
{
vPosition = ViewMatrix * ModelMatrix * vec4(Vertex * ModelScale, 1.0);
gl_Position = ProjectionMatrix * vPosition;
}
**** end vertex code
I substitute the uniform variables with the following :
attribute vec3 Vertex;
uniform mat4 osg_ProjectionMatrix;
uniform mat4 osg_ViewMatrix;
uniform mat4 osg_ViewMatrixInverse;
uniform vec3 ModelScale;
varying vec4 vPosition;
void main ()
{
mat4 ModelMatrix=osg_ViewMatrixInverse * gl_ModelViewMatrix;
vPosition = osg_ViewMatrix * ModelMatrix * vec4(Vertex * ModelScale, 1.0);
gl_Position = osg_ProjectionMatrix * vPosition;
}
and in my osg application, i used :
gc->getState()->setUseModelViewAndProjectionUniforms(true);
I didn't get the aspected result.
Do i change also the Vertex attribute and use osg_Vertex?
Where i can find all the osg built-in variables?
Thank you in advance.
Cheers,
Andrea
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=52862#52862
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