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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 1.iso
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Ellipse.c++
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C/C++ Source or Header
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1996-11-11
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4KB
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134 lines
/*
* (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.
*
* U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND
* 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* Unpublished-- rights reserved under the copyright laws of the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.
*/
#include <GL/glu.h>
#include <GL/glx.h>
#include <stdio.h>
#include "Ellipse.h"
Ellipse::Ellipse()
{
Point sar_dim, lin_dim;
sar_dim.set(.3, .5, 1.2);
lin_dim.set(.3, 1.2, .2);
sarcens[0].set_dimensions(sar_dim);
lintels[0].set_dimensions(lin_dim);
sarcens[0].translate(5, 0, sar_dim.pt[2]);
lintels[0].translate(4.9, 0, 2.*sar_dim.pt[2] + lin_dim.pt[2]);
copy_zero();
sarcens[0].rotate_self_aboutz(17);
sarcens[1].rotate_self_aboutz(33);
lintels[0].rotate_self_aboutz(25);
sarcens[2].rotate_self_aboutz(-17);
sarcens[3].rotate_self_aboutz(-33);
lintels[1].rotate_self_aboutz(-25);
sarcens[4].rotate_self_aboutz(197);
sarcens[5].rotate_self_aboutz(213);
lintels[2].rotate_self_aboutz(205);
sarcens[6].rotate_self_aboutz(-197);
sarcens[7].rotate_self_aboutz(-213);
lintels[3].rotate_self_aboutz(-205);
}
void Ellipse::erode(float p)
{
int i;
for (i = 0; i < nsarcens; i++) sarcens[i].erode(p);
for (i = 0; i < nlintels; i++) lintels[i].erode(p);
}
void Ellipse::draw()
{
glPushMatrix();
glScalef(1, 1.1, 1);
draw_sarcens();
draw_lintels();
glPopMatrix();
}
void Ellipse::draw_sarcens()
{
int i;
for (i = 0; i < nsarcens; i++) sarcens[i].draw();
}
void Ellipse::draw_lintels()
{
int i;
for (i = 0; i < nlintels; i++) lintels[i].draw();
}
void Ellipse::draw_shadow(Point dlight, GLfloat blur,
Color color, Color diffuse)
{
draw_sarcens_shadows(dlight, blur, color, diffuse);
draw_lintels_shadows(dlight, blur, color, diffuse);
}
void Ellipse::draw_sarcens_shadows(Point dlight, GLfloat blur,
Color color, Color diffuse)
{
int i;
for (i = 0; i < nsarcens; i++)
sarcens[i].draw_shadow(dlight, blur, color, diffuse);
}
void Ellipse::draw_lintels_shadows(Point dlight, GLfloat blur,
Color color, Color diffuse)
{
int i;
for (i = 0; i < nlintels; i++)
lintels[i].draw_shadow(dlight, blur, color, diffuse);
}
void Ellipse::copy_zero()
{
int i;
for (i = 1; i < nsarcens; i++) sarcens[i] = sarcens[0];
for (i = 1; i < nlintels; i++) lintels[i] = lintels[0];
}