gfx_viewport(0, 0, width, height);
aspect = (float)width / (float)height;
mprojection = calc_projection_matrix(45, aspect, 0.5, 1000.0);
gfx_viewport(0, 0, width, height);
aspect = (float)width / (float)height;
mprojection = calc_projection_matrix(45, aspect, 0.5, 1000.0);