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minor clean-ups

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This commit is contained in:
Brian Paul
2004-04-22 00:47:28 +00:00
parent 362f1df210
commit 2fae1bb6df
1 changed files with 36 additions and 24 deletions
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60
progs/util/glutskel.c
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@@ -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;