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#include <windows.h>
#include <stdio.h>
#include <gl\gl.h>
#include <gl\glu.h>
#include <gl\glut.h>
void init(void)
{
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glEnable ( GL_COLOR_MATERIAL );
glColorMaterial ( GL_FRONT, GL_AMBIENT_AND_DIFFUSE );
glEnable ( GL_TEXTURE_2D );
glPixelStorei ( GL_UNPACK_ALIGNMENT, 1 );
}
void reshape( int w, int h )
{ float ratio ;
if(h == 0)
h = 1;
ratio = 1.0f * w / h;
// Reset the coordinate system before modifying
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// Set the viewport to be the entire window
glViewport(0, 0, w, h);
// Set the clipping volume
// gluPerspective(80,ratio,1,200);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void display( void )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glutSolidCube(1.0);
glutSwapBuffers();
}
void keyboard ( unsigned char key, int x, int y ) // Create Keyboard Function
{
switch ( key ) {
case 27: // When Escape Is Pressed...
exit ( 0 ); // Exit The Program
break; // Ready For Next Case
default: // Now Wrap It Up
break;
}
}
void arrow_keys ( int a_keys, int x, int y ) // Create Special Function (required for arrow keys)
{
switch ( a_keys ) {
case GLUT_KEY_UP: // When Up Arrow Is Pressed...
glutFullScreen ( ); // Go Into Full Screen Mode
break;
case GLUT_KEY_DOWN: // When Down Arrow Is Pressed...
glutReshapeWindow ( 500, 500 ); // Go Into A 500 By 500 Window
break;
default:
break;
}
}
void main ( int argc, char** argv )
{
glutInit ( &argc, argv );
glutInitDisplayMode ( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA );
glutInitWindowPosition (0,0);
glutInitWindowSize ( 500, 500 );
glutCreateWindow ( "cube" );
init ();
glutFullScreen ( );
glutDisplayFunc ( display );
glutReshapeFunc ( reshape );
glutKeyboardFunc ( keyboard );
glutSpecialFunc ( arrow_keys );
glutIdleFunc ( display );
glutMainLoop ( );
} |
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