/*
* (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
/*
* surface.c
* This program draws a NURBS surface in the shape of a
* symmetrical hill.
*/
#include <math.h>
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "ModuleCouleurs.h"
#include "ModuleManipulateur.h"
#include "ModuleMenus.h"
#include "ModuleReshape.h"
static GLfloat ctlpoints[4][4][3];
static float z = 3.0F;
static float dz = -0.1F;
void idle(void) {
z += dz;
if ( z < -18.0F )
dz = -dz;
if ( z > 18.0F )
dz = -dz;
glutPostRedisplay();
}
void init_surface(void) {
int u,v;
for( u = 0 ; u < 4 ; u++ ) {
for( v = 0 ; v < 4 ; v++ ) {
ctlpoints[u][v][0] = 3.0F*(u-1.5F);
ctlpoints[u][v][1] = 2.0F*(v-1.5F);
if ((u==1 || u==2)&&(v==1 || v==2))
ctlpoints[u][v][2] = z;
else
ctlpoints[u][v][2] = 0.0F; } }
}
void display(void) {
GLUnurbsObj *theNurb;
GLfloat knots[8] = {0.0,0.0,0.0,0.0,1.0,1.0,1.0,1.0};
init_surface();
theNurb = gluNewNurbsRenderer();
gluNurbsProperty(theNurb,GLU_SAMPLING_TOLERANCE,25.0);
gluNurbsProperty(theNurb,GLU_DISPLAY_MODE,GLU_FILL);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
manipulateurSouris();
manipulateurClavier();
glTranslatef(0.0F,0.0F,0.0F) ;
glRotatef(330.0,1.,0.,0.);
glScalef(0.5,0.5,0.5);
gluBeginSurface(theNurb);
gluNurbsSurface(theNurb,8,knots,8,knots,12,3,&ctlpoints[0][0][0],4,4,GL_MAP2_VERTEX_3);
gluEndSurface(theNurb);
glPopMatrix();
glFlush();
glutSwapBuffers();
}
void myinit(void) {
GLfloat shininess[] = { 100.0F };
glClearColor(0.9F,0.8F,0.6F,1.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurGrisClair());
glMaterialfv(GL_FRONT,GL_SPECULAR,couleurBlanc());
glMaterialfv(GL_FRONT,GL_SHININESS,shininess);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
glEnable(GL_DEPTH_TEST);
glEnable(GL_AUTO_NORMAL);
glEnable(GL_NORMALIZE);
}
int main(int argc,char **argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
glutInitWindowSize(300,230);
glutInitWindowPosition(50,50);
glutCreateWindow("Animation d'une NURB");
myinit();
creationMenuBasique();
setParametresOrthoBasique(-3.0,3.0,-3.0,3.0,-10.0,10.0);
setManipulateurDistance(1.0F);
setManipulateurClavierAngle(15.0F,40.0F,0.0F) ;
glutReshapeFunc(reshapeOrthoBasique);
glutKeyboardFunc(keyBasique);
glutSpecialFunc(specialBasique);
glutMotionFunc(motionBasique);
glutMouseFunc(sourisBasique);
glutIdleFunc(idle);
glutDisplayFunc(display);
glutMainLoop();
return(0);
}
RETOUR