//
// (c) Copyright 1993, Silicon Graphics, Inc.
// ALL RIGHTS RESERVED
// Permission to use, copy, modify, and distribute this software for
// any purpose and without fee is hereby granted, provided that the above
// copyright notice appear in all copies and that both the copyright notice
// and this permission notice appear in supporting documentation, and that
// the name of Silicon Graphics, Inc. not be used in advertising
// or publicity pertaining to distribution of the software without specific,
// written prior permission.
//
// THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
// AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
// INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
// FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
// GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
// SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
// KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
// LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
// THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
// ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
// POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
//
// US Government Users Restricted Rights
// Use, duplication, or disclosure by the Government is subject to
// restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
// (c)(1)(ii) of the Rights in Technical Data and Computer Software
// clause at DFARS 252.227-7013 and/or in similar or successor
// clauses in the FAR or the DOD or NASA FAR Supplement.
// Unpublished-- rights reserved under the copyright laws of the
// United States.  Contractor/manufacturer is Silicon Graphics,
// Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
//
// OpenGL(TM) is a trademark of Silicon Graphics, Inc.
//
unit R;

interface

procedure   draw_r;

implementation

uses
    MGLGl;

const
    r_data  : array[0..25,0..1] of float =
        (
            ( 0.018462, 12.344969-3.0 ),
            ( 0.775385, 12.677618-3.0 ),
            ( 0.812308, 12.344969-3.0 ),
            ( 1.421538, 12.899384-3.0 ),
            ( 1.126154, 12.123203-3.0 ),
            ( 1.864615, 12.825462-3.0 ),
            ( 1.181538, 11.716633-3.0 ),
            ( 2.030769, 12.603696-3.0 ),
            ( 1.089231, 10.700206-3.0 ),
            ( 1.495385, 9.351130-3.0 ),
            ( 0.516923, 7.355236-3.0 ),
            ( 0.756923, 6.375770-3.0 ),
            ( 0.129231, 5.119096-3.0 ),
            ( 0.461538, 5.322382-3.0 ),

            ( 1.680000, 10.663244-3.0 ),
            ( 1.550769, 9.942505-3.0 ),
            ( 2.160000, 11.383984-3.0 ),
            ( 2.400000, 11.531828-3.0 ),
            ( 2.640000, 12.086243-3.0 ),
            ( 2.916923, 12.086243-3.0 ),
            ( 3.341538, 12.806981-3.0 ),
            ( 3.526154, 12.160164-3.0 ),
            ( 4.043077, 12.954825-3.0 ),
            ( 4.209231, 12.308008-3.0 ),
            ( 4.504615, 12.880903-3.0 ),
            ( 4.541538, 12.622176-3.0 )
        );

procedure   draw_r;
begin
    glBegin(GL_TRIANGLE_STRIP);
    glVertex2fv(@r_data[0]);
    glVertex2fv(@r_data[1]);
    glVertex2fv(@r_data[2]);
    glVertex2fv(@r_data[3]);
    glVertex2fv(@r_data[4]);
    glVertex2fv(@r_data[5]);
    glVertex2fv(@r_data[6]);
    glVertex2fv(@r_data[7]);
    glVertex2fv(@r_data[8]);
    glVertex2fv(@r_data[9]);
    glVertex2fv(@r_data[10]);
    glVertex2fv(@r_data[11]);
    glVertex2fv(@r_data[12]);
    glVertex2fv(@r_data[13]);
    glEnd();

    glBegin(GL_TRIANGLE_STRIP);
    glVertex2fv(@r_data[14]);
    glVertex2fv(@r_data[15]);
    glVertex2fv(@r_data[16]);
    glVertex2fv(@r_data[17]);
    glVertex2fv(@r_data[18]);
    glVertex2fv(@r_data[19]);
    glVertex2fv(@r_data[20]);
    glVertex2fv(@r_data[21]);
    glVertex2fv(@r_data[22]);
    glVertex2fv(@r_data[23]);
    glVertex2fv(@r_data[24]);
    glVertex2fv(@r_data[25]);
    glEnd();

    glBegin(GL_LINE_STRIP);
    glVertex2fv(@r_data[0]);
    glVertex2fv(@r_data[2]);
    glVertex2fv(@r_data[4]);
    glVertex2fv(@r_data[6]);
    glVertex2fv(@r_data[8]);
    glVertex2fv(@r_data[10]);
    glVertex2fv(@r_data[12]);
    glVertex2fv(@r_data[13]);
    glVertex2fv(@r_data[11]);
    glVertex2fv(@r_data[9]);
    glVertex2fv(@r_data[7]);
    glVertex2fv(@r_data[5]);
    glVertex2fv(@r_data[3]);
    glVertex2fv(@r_data[1]);
    glVertex2fv(@r_data[0]);
    glEnd();

    glBegin(GL_LINE_STRIP);
    glVertex2fv(@r_data[14]);
    glVertex2fv(@r_data[16]);
    glVertex2fv(@r_data[18]);
    glVertex2fv(@r_data[20]);
    glVertex2fv(@r_data[22]);
    glVertex2fv(@r_data[24]);
    glVertex2fv(@r_data[25]);
    glVertex2fv(@r_data[23]);
    glVertex2fv(@r_data[21]);
    glVertex2fv(@r_data[19]);
    glVertex2fv(@r_data[17]);
    glVertex2fv(@r_data[15]);
    glVertex2fv(@r_data[14]);
    glEnd();
end;

end.
