USING: kernel alien sequences opengl ; IN: opengl.lib ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! : gl-color-4f ( 4seq -- ) first4 glColor4f ; : gl-clear-color ( 4seq -- ) first4 glClearColor ; : gl-vertex-3f ( array -- ) first3 glVertex3f ; : gl-normal-3f ( array -- ) first3 glNormal3f ; : gl-material-fv ( face pname params -- ) >float-array glMaterialfv ; ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! : glu-look-at ( eye focus up -- ) >r >r first3 r> first3 r> first3 gluLookAt ;