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

#include <stdio.h>
#include <math.h>

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

void postInit(void) {
  GLfloat light_ambient[] = { 0.0F,0.0F,0.0F,1.0F };
  GLfloat light_diffuse[] = { 1.0F,1.0F,1.0F,1.0F };
  GLfloat light_specular[] = { 1.0F,1.0F,1.0F,1.0F };
  GLfloat light_position[] = { 1.0F,1.0F,1.0F,0.0F };
  glLightfv(GL_LIGHT0,GL_AMBIENT,light_ambient);
  glLightfv(GL_LIGHT0,GL_DIFFUSE,light_diffuse);
  glLightfv(GL_LIGHT0,GL_SPECULAR,light_specular);
  glLightfv(GL_LIGHT0,GL_POSITION,light_position);
  glEnable(GL_LIGHTING);
  glEnable(GL_LIGHT0);
}

static int image = 0 ;

void init(void) {
  GLfloat jaune[] = { 1.0F,1.0F,0.0F,0.0F };
  glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,jaune);
  glDepthFunc(GL_LESS);
  glEnable(GL_DEPTH_TEST);
}

void display(void) {
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  glPushMatrix();
  float y = ( image < 500 ) ? 10.0F-image*image/25000.0F :
                              10.0F-(1000-image)*(1000-image)/25000.0F;
  glTranslatef(0.0F,y,0.0F) ;
  glutSolidSphere(1.0,20,20) ;
  glPopMatrix();
  glFlush();
  glutSwapBuffers();
}

void idle(void) {
  image++ ;
  if ( image == 1000 ) {
    image = 0 ;
    glutIdleFunc(NULL) ; }
  glutPostRedisplay() ; 
}

void key(unsigned char key,int x,int y) {
  if ( keyManipulateur(key,x,y) )
    glutPostRedisplay();
    else
    switch ( key ) {
      case 'A'    : glutIdleFunc(idle);
                    break; }
}

int main(int argc,char **argv) {
  glutInit(&argc,argv);
  glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
  glutInitWindowSize(200,600); 
  glutInitWindowPosition(10,10); 
  glutCreateWindow("Une balle de tennis"); 

  postInit();
  init();
  creationMenuBasique();
  setParametresOrthoBasique(-2.5,2.5,-1.0,4.0,-10.0,10.0);
  setManipulateurDistance(1.0F);
  glutReshapeFunc(reshapeOrthoBasique);
  glutKeyboardFunc(key);
  glutSpecialFunc(specialBasique);
  glutMotionFunc(motionBasique);
  glutMouseFunc(sourisBasique);
  glutDisplayFunc(display);
  glutMainLoop();
  return(0);
}