/* Auteur: Nicolas JANEY                 */
/* nicolas.janey@univ-fcomte.fr          */
/* Avril 2001                            */
/* Dessin OpenGL d'une courbe de Bezier  */

#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>

#include "ModuleCouleurs.h"
#include "ModuleManipulateur.h"
#include "ModuleMenus.h"
#include "ModuleReshape.h"

GLfloat points[4][3] = { 
  {-4.0,-4.0,0.0},{-2.0,4.0,0.0}, 
  { 2.0,-4.0,0.0},{ 4.0,4.0,0.0}}; 
  
void display(void) { 
  int i; 
  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); 
  glPushMatrix();
  manipulateurSouris();
  manipulateurClavier();
  glColor4fv(couleurBlanc()); 
  glBegin(GL_LINE_STRIP); 
  for( i = 0 ; i <= 30 ; i++ ) 
    glEvalCoord1f((GLfloat) i/30.0F); 
  glEnd(); 
  glPointSize(5.0); 
  glColor4fv(couleurJaune()); 
  glBegin(GL_POINTS); 
  for( i = 0 ; i < 4 ; i++ ) 
    glVertex3fv(&points[i][0]); 
  glEnd(); 
  glPopMatrix();
  glFlush(); 
  glutSwapBuffers();
} 
  
void myinit(void) { 
  glClearColor(0.0,0.0,0.0,1.0); 
  glMap1f(GL_MAP1_VERTEX_3,0.0,1.0,3,4,&points[0][0]); 
  glEnable(GL_MAP1_VERTEX_3); 
  glShadeModel(GL_FLAT); 
  glEnable(GL_AUTO_NORMAL);
  glEnable(GL_NORMALIZE);
} 
  
int main(int argc,char **argv) {
  glutInit(&argc,argv);
  glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
  glutInitWindowSize(250,250); 
  glutInitWindowPosition(50,50); 
  glutCreateWindow("Courbe de Bezier"); 
  myinit(); 
  creationMenuBasique();
  setParametresOrthoBasique(-5.0,5.0,-5.0,5.0,-500.0,500.0);
  setManipulateurDistance(1.0F);
  glutReshapeFunc(reshapeOrthoBasique);
  glutKeyboardFunc(keyBasique);
  glutSpecialFunc(specialBasique);
  glutMotionFunc(motionBasique);
  glutMouseFunc(sourisBasique);
  glutDisplayFunc(display);
  glutMainLoop();
  return(0);
}