Lisa cliplisa;
int norme;
int nb;
BFont metaBold;
Tirette tamorti,tressort,ttempo;
float angleX, angleY,rx,ry;
//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::le point de départ
void setup(){
	nb=8;
	norme=100;
	background(0);
	size(450,300);
	metaBold = loadFont("Meta-Bold.vlw.gz");			
	tamorti=new Tirette(380,100,60,0.6f,1.6f,"amorti",150, 80,metaBold,this);
	tressort=new Tirette(380,150,60,0.1f,0.8f,"ressort",150, 80,metaBold,this);
	ttempo=new Tirette(380,200,60,0.01f,0.7f,"tempo",150,80,metaBold,this);		
	cliplisa= new Lisa(this,nb,norme);
	cliplisa.init();

}
void loop(){
	
		angleY = (mouseX -width * 0.5f) / 50.0f;
		angleX = - (mouseY - height * 0.5f) / 50.0f;	
	cliplisa.go();
	clear();
	push();
		translate(50,150,-600);
	        ry += (angleY - ry) / 4;
	        rx += (angleX - rx) / 4;
	        rotateY(ry + PI / 5);
	        rotateX(rx + PI / 5);
	        translate(-350,-350,-350);
	        cliplisa.dessiner();
	 pop();
	fill(155,0,0);
	rect(300,0,150,300);
	tamorti.actualiser();
	cliplisa.tendeurX.amorti=tamorti.getValeur();
	cliplisa.tendeurY.amorti=tamorti.getValeur();	
	tressort.actualiser();
	cliplisa.tendeurX.ressort=tressort.getValeur();
	cliplisa.tendeurY.ressort=tressort.getValeur();			
	ttempo.actualiser();
	cliplisa.tendeurX.tempo=ttempo.getValeur();
	cliplisa.tendeurY.tempo=ttempo.getValeur();	
}
//::::::::::::la classe de Lisa
public class Lisa {
	int nb;
	Tendeur tendeurX,tendeurY,tendeurZ;
	BApplet g;
	float norme;
   public   Lisa(BApplet g,int nb,float norme) {
	     this.nb = nb;
	     this.g=g;
	     this.norme=norme;
	     this.tendeurX = new Tendeur(nb, 0.81f, 0.2f, 0.87f, norme,g);
	     this.tendeurY = new Tendeur(nb, 0.81f, 0.2f, 0.87f, norme,g);
	     this.tendeurZ = new Tendeur(nb, 0.81f, 0.2f, 0.87f, norme,g);
     };
  
    public void init() {	
	
	
	 tendeurX.drag = -1;
	tendeurY.drag = -1;
	tendeurZ.drag = -1;
		for (int i = 0; i<this.nb; i++) {
			for (int j = 0; j<this.nb; j++) {
 boolean  survol= (Math.abs(g.mouseX-tendeurX.point[i].x*0.7)<10)&&(Math.abs(g.mouseY-tendeurY.point[j].x*0.7)<10);		     				
		     	   	 if(survol){		  
				     tendeurX.drag =i;
				     tendeurY.drag =j;
				   break;
			     }	   
				  	
		
	     	}}
	    
     }
  public  void   dessiner() {
	g.fill(150);
	g.noStroke();	
	g.beginShape(BApplet.TRIANGLE_STRIP); 
	     for (int i = 0; i<nb-2; i++) {
		     for (int j = 0; j<nb-2; j++) {
			for (int k = 0; k<nb-2; k++) {
			float         dx=(float)Math.abs(tendeurX.point[i+1].x-tendeurX.point[i].x);
			float         dy=(float)Math.abs(tendeurY.point[i+1].x-tendeurY.point[i].x);
			
		
			g.fill((dx+dy)*2,dx/2,0);
			g.vertex(tendeurX.point[i+1].x,tendeurY.point[j].x,tendeurZ.point[k].x);
			g.fill(dx*0.5f,dy,0);
			g.vertex(tendeurX.point[i].x,tendeurY.point[j].x,tendeurZ.point[k+1].x);	
			g.fill(dy*0.8f,dx*0.2f,0);
			g.vertex(tendeurX.point[i+1].x,tendeurY.point[j+1].x,tendeurZ.point[k+2].x);			
			g.fill(dy*0.7f,0,0);
			g.vertex(tendeurX.point[i+2].x,tendeurY.point[j+1].x,tendeurZ.point[k+1].x);			
		
		
			
		     }
	     }
	}
	     g.endShape();
     };

void  go() {	
			init();
			tendeurX.evolution();
		  	  tendeurY.evolution();
		   	 tendeurZ.evolution();   
     };

}


//::::::::::::::: la classe  du TDA "Tendeur"
public class Tendeur {

	int nb, drag;
	float ressort, tempo, amorti, norme,premier,dernier;
	Sommet[] point;
	BApplet g;
      public Tendeur (int nb,float ressort,float tempo,float amorti,float norme,BApplet g) {
	      this.nb = nb;
	      this.ressort = ressort;
	      this.tempo = tempo;
	      this.amorti = amorti;
	      this.norme = norme;
	      this.point = new Sommet[nb];
	      this.drag=-1;
	      this.g=g;
	      for (int i = 0; i<nb; i++) {
		 Sommet s = new Sommet(norme*i, 0, i, this.norme*i);
		 point[i]=s;
	      }
	      this.premier = this.point[0].x;
	      this.dernier = this.point[nb-1].x;
      };
     public void evolution() {
	     float cible, prem, deux;
	      if (drag>0) {
		      prem = drag-1;
		      deux = drag;
		      for (int i = 1; i<nb-1; i++) {
			      if (i<=prem) {
				      point[i].but = premier+(point[i].x-premier)/4;
				      avance(i);
			      } else {
				      if (i>=deux) {
					      point[i].but = dernier+(dernier-point[i].x)/4;
					      avance(i);
				      }
			      }
		      }
	      } else {
		      for (int i = 1; i<nb-1; i++) {
			      point[i].but = point[i].cible;
			      avance(i);
		      }
	      }
      };
      
      public void avance(int i) {
	      point[i].vx = amorti*point[i].vx+tempo*(point[i].but-point[i].x)*ressort;
	      point[i].x += tempo*point[i].vx;
	      if (point[i].x<point[i-1].x+norme*3/5) {
		      point[i].vx *= -0.1;
		      point[i].x = point[i-1].x+norme*3/5;
	      }
	      if (point[i].x>point[i+1].x-norme*3/5) {
		      point[i].vx *= -0.1;
		      point[i].x = point[i+1].x-norme*3/5;
	      }
      };
}

public class Sommet {
float x, vx,  cible,but;
int numero;
public Sommet(float x, float vx,  int numero, float cible){
	this.x=x;
	this.vx=vx;
	this.numero=numero;
	this.cible=cible;
	this.but=cible;
	
}
}

public class Tirette {

  int x,y,xpos,xbut,longueur,couleur1,couleur2;
  float valmin,valmax,coef,valeur;
  String titre;
  boolean survol,drag;
  BFont lafonte;
  BApplet apple;
  //**********************************************************
  public Tirette(int x,int y,int longueur,float valmin
  ,float valmax,String titre,int couleur1,int couleur2,BFont  lafont,BApplet apple){
    this.x=x;
    this.y=y;
    this.xpos=x;
    this.xbut=x;
    this.survol=false;
    this.drag=false;
    this.longueur=longueur;
    this.valmin=valmin;
    this.valmax=valmax;
    this.coef=(valmax-valmin)/(2*longueur);
    this.titre=titre;
    this.valeur=(valmin+valmax)/2;
    this.couleur1=couleur1;
    this.couleur2=couleur2;
    this.lafonte=lafont;
    this.apple=apple;
  }
 //******************************************************
 public void actualiser(){
    if(!apple.mousePressed && drag) drag=false;
    survol= (apple.mouseX>xpos-10)&&(apple.mouseX<xpos+10)&&(apple.mouseY>y-10)&&(apple.mouseY<y+10);
  if(!drag){drag=survol&&apple.mousePressed;};
    if(drag)    xbut=apple.constrain(apple.mouseX,x-longueur-2,x+longueur+2);
    xpos+=(xbut-xpos)/2;
    this.calculer();
    this.dessinerbarre();
  }
  //****************************************************
 public  void calculer(){
    valeur=valmin+(xpos-x+longueur)*coef;
  }
  public float getValeur(){
  	return valeur;
  }
  public void setValeur(float v){
  	xpos=Math.round((v-valmin)/(float)coef )+x -longueur;apple.println(xpos);
  	xbut=xpos;
  }
  //****************************************************
  public void dessinerbarre(){
  	
	apple.stroke(couleur1);
	apple.noFill();
	apple.line(x-longueur,y-3,x+longueur,y-3);
	apple.line(x-longueur,y-2,x+longueur,y-2);
	apple.stroke(couleur2);
	apple.line(x-longueur,y-1,x+longueur,y-1);
	apple.beginShape(BApplet.TRIANGLES);apple.fill(couleur1);apple.noStroke();
    apple.vertex(xpos,y);apple.vertex(xpos-7,y+9);apple.vertex(xpos+7,y+9); apple.endShape();
    apple.beginShape(BApplet.TRIANGLES);apple.noFill();
    apple.stroke((couleur1+couleur2)/2); apple.vertex(xpos,y-1);apple.vertex(xpos-8,y+10);apple.vertex(xpos+8,y+10);
    apple.endShape();
    apple.fill(couleur1);
   apple.textFont(lafonte, 16);
   float v2=Math.round(valeur*100.0f)/100.0f;
    apple.text(titre+" =  "+v2,x-45,y-15);
  }

}