| |
| /* |
| * A skeleton/template GLUT program |
| * |
| * Written by Brian Paul and in the public domain. |
| */ |
| |
| |
| /* |
| * Revision 1.1 2001/08/21 14:25:31 brianp |
| * simple multi-window GLUT test prog |
| * |
| * 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 |
| * |
| * Revision 1.1 1998/11/07 14:14:37 brianp |
| * Initial revision |
| * |
| */ |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <math.h> |
| #include <GL/glew.h> |
| #include <GL/glut.h> |
| |
| |
| static GLint Window[2]; |
| |
| static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; |
| static GLboolean Anim = GL_TRUE; |
| |
| |
| static void Idle( void ) |
| { |
| Xrot += 3.0; |
| Yrot += 4.0; |
| Zrot += 2.0; |
| |
| glutSetWindow(Window[0]); |
| glutPostRedisplay(); |
| glutSetWindow(Window[1]); |
| glutPostRedisplay(); |
| } |
| |
| |
| static void Display0( void ) |
| { |
| glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); |
| |
| glEnable(GL_LIGHTING); |
| glEnable(GL_LIGHT0); |
| glEnable(GL_DEPTH_TEST); |
| |
| glPushMatrix(); |
| glRotatef(Xrot, 1, 0, 0); |
| glRotatef(Yrot, 0, 1, 0); |
| glRotatef(Zrot, 0, 0, 1); |
| |
| glColor3f(0, 1, 0); |
| glutSolidCube(2.0); |
| |
| glPopMatrix(); |
| |
| glutSwapBuffers(); |
| } |
| |
| |
| static void Display1( void ) |
| { |
| glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); |
| |
| glPushMatrix(); |
| glRotatef(Xrot, 1, 0, 0); |
| glRotatef(Yrot, 0, 1, 0); |
| glRotatef(Zrot, 0, 0, 1); |
| |
| glShadeModel(GL_FLAT); |
| |
| glBegin(GL_TRIANGLE_STRIP); |
| glColor3f(1, 0, 0); |
| glVertex2f(-1, -1); |
| glVertex2f( 1, -1); |
| glColor3f(1, 0, 0); |
| glVertex2f( -1, 1); |
| glColor3f(0, 0, 1); |
| glVertex2f( 1, 1); |
| glEnd(); |
| |
| glPopMatrix(); |
| |
| glutSwapBuffers(); |
| } |
| |
| |
| static void Reshape( int width, int height ) |
| { |
| 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 ); |
| glLoadIdentity(); |
| glTranslatef( 0.0, 0.0, -15.0 ); |
| } |
| |
| |
| static void Key( unsigned char key, int x, int y ) |
| { |
| const GLfloat step = 3.0; |
| (void) x; |
| (void) y; |
| switch (key) { |
| case 'a': |
| Anim = !Anim; |
| if (Anim) |
| glutIdleFunc(Idle); |
| else |
| glutIdleFunc(NULL); |
| break; |
| case 'z': |
| Zrot -= step; |
| break; |
| case 'Z': |
| Zrot += step; |
| break; |
| case 27: |
| exit(0); |
| break; |
| } |
| glutPostRedisplay(); |
| } |
| |
| |
| |
| |
| int main( int argc, char *argv[] ) |
| { |
| glutInit( &argc, argv ); |
| |
| glutInitWindowPosition( 0, 0 ); |
| glutInitWindowSize( 400, 400 ); |
| glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); |
| Window[0] = glutCreateWindow(argv[0]); |
| glewInit(); |
| glutReshapeFunc( Reshape ); |
| glutKeyboardFunc( Key ); |
| glutDisplayFunc( Display0 ); |
| glutIdleFunc(Idle); |
| printf("GL_RENDERER[0] = %s\n", (char *) glGetString(GL_RENDERER)); |
| |
| glutInitWindowPosition( 500, 0 ); |
| glutInitWindowSize( 400, 400 ); |
| glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); |
| Window[1] = glutCreateWindow(argv[0]); |
| glewInit(); |
| glutReshapeFunc( Reshape ); |
| glutKeyboardFunc( Key ); |
| glutDisplayFunc( Display1 ); |
| glutIdleFunc(Idle); |
| printf("GL_RENDERER[1] = %s\n", (char *) glGetString(GL_RENDERER)); |
| |
| glutMainLoop(); |
| |
| return 0; |
| } |