-GLfloat front_shininess[] = {60.0};
-GLfloat front_specular[] = {0.4, 0.4, 0.4, 1.0};
-GLfloat ambient[] = {0.3, 0.3, 0.3, 1.0};
-GLfloat diffuse[] = {0.8, 0.8, 0.8, 1.0};
-GLfloat position[] = { 0.0, 5.0, 5.0, 1.0 };
-GLfloat lmodel_ambient[] = {0.6, 0.6, 0.6, 1.0};
-GLfloat lmodel_twoside[] = {GL_TRUE};
+static const GLfloat front_shininess[] = {60.0};
+static const GLfloat front_specular[] = {0.4, 0.4, 0.4, 1.0};
+static const GLfloat ambient[] = {0.3, 0.3, 0.3, 1.0};
+static const GLfloat diffuse[] = {0.8, 0.8, 0.8, 1.0};