private void setViewProjection(Camera cam, boolean ortho) {
        if (ortho) {
            uniformBindingManager.setCamera(cam, Matrix4f.IDENTITY, orthoMatrix, orthoMatrix);
        } else {
            uniformBindingManager.setCamera(cam, cam.getViewMatrix(), cam.getProjectionMatrix(),
                    cam.getViewProjectionMatrix());
        }
    }
Renders the {@link Bucket#Translucent translucent queue} on the viewPort.

<p>This call does nothing unless {@link #setHandleTranslucentBucket(boolean) }
is set to true. This method clears the translucent queue after rendering
it.

@param vp The viewport of which the translucent queue should be rendered.

@see #renderViewPortQueues(com.jme3.renderer.ViewPort, boolean)
@see #setHandleTranslucentBucket(boolean)
jme3-core/src/main/java/com/jme3/renderer/RenderManager.java