diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/progs/util/glutskel.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.1/progs/util/glutskel.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/util/glutskel.c b/nx-X11/extras/Mesa_6.4.1/progs/util/glutskel.c new file mode 100644 index 000000000..b203a507a --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/progs/util/glutskel.c @@ -0,0 +1,157 @@ +/* $Id: glutskel.c,v 1.2 2004/04/22 00:47:28 brianp Exp $ */ + +/* + * A skeleton/template GLUT program + * + * Written by Brian Paul and in the public domain. + */ + + +/* + * $Log: glutskel.c,v $ + * 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 + * + * Revision 1.1 1998/11/07 14:14:37 brianp + * Initial revision + * + */ + + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <GL/glut.h> + + +static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; +static GLboolean Anim = GL_FALSE; + + +static void +Idle(void) +{ + Xrot += 3.0; + Yrot += 4.0; + Zrot += 2.0; + glutPostRedisplay(); +} + + +static void +Draw(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); + + glutSolidCube(2.0); + + 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(); +} + + +static void +SpecialKey(int key, int x, int y) +{ + const GLfloat step = 3.0; + (void) x; + (void) y; + switch (key) { + case GLUT_KEY_UP: + Xrot -= step; + break; + case GLUT_KEY_DOWN: + Xrot += step; + break; + case GLUT_KEY_LEFT: + Yrot -= step; + break; + case GLUT_KEY_RIGHT: + Yrot += step; + break; + } + glutPostRedisplay(); +} + + +static void +Init(void) +{ + /* setup lighting, etc */ + glEnable(GL_DEPTH_TEST); + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); +} + + +int +main(int argc, char *argv[]) +{ + 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(Draw); + if (Anim) + glutIdleFunc(Idle); + Init(); + glutMainLoop(); + return 0; +} |