* @see #gluTessBeginPolygon gluTessBeginPolygon
* @see #gluTessEndPolygon gluTessEndPolygon
****************************************************************************/
public void gluTessNormal(GLUtessellator tessellator, double x, double y, double z) {
GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator;
tess.gluTessNormal(x, y, z);
}
/*****************************************************************************
* <b>gluTessCallback</b> is used to indicate a callback to be used by a
* tessellation object. If the specified callback is already defined, then it