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-rw-r--r--progs/redbook/sceneflat.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/progs/redbook/sceneflat.c b/progs/redbook/sceneflat.c
index 5ab2037e4c..10891fb997 100644
--- a/progs/redbook/sceneflat.c
+++ b/progs/redbook/sceneflat.c
@@ -3,14 +3,14 @@
/*
* (c) Copyright 1993, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
+ * 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
+ * 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.
+ * 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,
@@ -24,8 +24,8 @@
* 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
+ *
+ * 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
@@ -58,7 +58,7 @@ void myinit(void)
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
-
+
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
@@ -74,19 +74,19 @@ void display(void)
glRotatef (20.0, 1.0, 0.0, 0.0);
glPushMatrix ();
- glTranslatef (-0.75, 0.5, 0.0);
+ glTranslatef (-0.75, 0.5, 0.0);
glRotatef (90.0, 1.0, 0.0, 0.0);
glutSolidTorus (0.275, 0.85, 15, 15);
glPopMatrix ();
glPushMatrix ();
- glTranslatef (-0.75, -0.5, 0.0);
+ glTranslatef (-0.75, -0.5, 0.0);
glRotatef (270.0, 1.0, 0.0, 0.0);
glutSolidCone (1.0, 2.0, 15, 15);
glPopMatrix ();
glPushMatrix ();
- glTranslatef (0.75, 0.0, -1.0);
+ glTranslatef (0.75, 0.0, -1.0);
glutSolidSphere (1.0, 15, 15);
glPopMatrix ();
@@ -99,17 +99,30 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- if (w <= h)
- glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
- else
- glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
+static void
+key(unsigned char k, int x, int y)
+{
+ switch (k) {
+ case 27: /* Escape */
+ exit(0);
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
/* Main Loop
- * Open window with initial window size, title bar,
+ * Open window with initial window size, title bar,
* RGBA display mode, and handle input events.
*/
int main(int argc, char** argv)
@@ -121,6 +134,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
+ glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}