minor clean-ups

diff --git a/progs/util/glutskel.c b/progs/util/glutskel.c
index 8c283f8..b203a50 100644 (file)
--- a/progs/util/glutskel.c
+++ b/progs/util/glutskel.c
@@ -1,4 +1,4 @@
-/* $Id: glutskel.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+/* $Id: glutskel.c,v 1.2 2004/04/22 00:47:28 brianp Exp $ */
 
 /*
  * A skeleton/template GLUT program
@@ -9,8 +9,11 @@
 
 /*
  * $Log: glutskel.c,v $
- * Revision 1.1  1999/08/19 00:55:42  jtg
- * Initial revision
+ * Revision 1.2  2004/04/22 00:47:28  brianp
+ * minor clean-ups
+ *
+ * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
+ * Imported sources
  *
  * Revision 1.2  1998/11/07 14:20:14  brianp
  * added simple rotation, animation of cube
@@ -31,7 +34,8 @@ static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
 static GLboolean Anim = GL_FALSE;
 
 
-static void Idle( void )
+static void
+Idle(void)
 {
    Xrot += 3.0;
    Yrot += 4.0;
@@ -40,9 +44,10 @@ static void Idle( void )
 }
 
 
-static void Display( void )
+static void
+Draw(void)
 {
-   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
    glPushMatrix();
    glRotatef(Xrot, 1, 0, 0);
@@ -57,19 +62,21 @@ static void Display( void )
 }
 
 
-static void Reshape( int width, int height )
+static void
+Reshape(int width, int height)
 {
-   glViewport( 0, 0, width, height );
-   glMatrixMode( GL_PROJECTION );
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
-   glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
-   glMatrixMode( GL_MODELVIEW );
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
-   glTranslatef( 0.0, 0.0, -15.0 );
+   glTranslatef(0.0, 0.0, -15.0);
 }
 
 
-static void Key( unsigned char key, int x, int y )
+static void
+Key(unsigned char key, int x, int y)
 {
    const GLfloat step = 3.0;
    (void) x;
@@ -96,7 +103,8 @@ static void Key( unsigned char key, int x, int y )
 }
 
 
-static void SpecialKey( int key, int x, int y )
+static void
+SpecialKey(int key, int x, int y)
 {
    const GLfloat step = 3.0;
    (void) x;
@@ -119,7 +127,8 @@ static void SpecialKey( int key, int x, int y )
 }
 
 
-static void Init( void )
+static void
+Init(void)
 {
    /* setup lighting, etc */
    glEnable(GL_DEPTH_TEST);
@@ -128,17 +137,20 @@ static void Init( void )
 }
 
 
-int main( int argc, char *argv[] )
+int
+main(int argc, char *argv[])
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 400, 400 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow(argv[0]);
-   glutReshapeFunc( Reshape );
-   glutKeyboardFunc( Key );
-   glutSpecialFunc( SpecialKey );
-   glutDisplayFunc( Display );
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
    Init();
    glutMainLoop();
    return 0;