Lisa cliplisa;
int norme;
int nb;
BFont metaBold;
Tirette tamorti,tressort,ttempo,tnombre;
//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::la classe de départ
void setup(){
	nb=21;
	norme=25;
	background(50,0,90);
	size(650,480);
	metaBold = loadFont("Meta-Bold.vlw.gz");			
	tamorti=new Tirette(570,250,60,0.2f,1.8f,"amorti",150, 80,metaBold,this);
	tressort=new Tirette(570,300,60,0.1f,0.8f,"ressort",150, 80,metaBold,this);
	ttempo=new Tirette(570,350,60,0.01f,0.7f,"tempo",150,80,metaBold,this);	
	cliplisa= new Lisa(this,nb,norme);
	cliplisa.init();

}
void loop(){
	clear();
	cliplisa.go();
	fill(35,35,105);stroke(255);
	rect(480,0,170,500);
	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    "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;
	      }
      };

}


//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::la classe de Lisa
public class Lisa {
	int nb;
	Tendeur tendeurX,tendeurY;
	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);
     };
  
    public void init() {	
	
	//if(g.mousePressed ) {	
	 tendeurX.drag = -1;
	tendeurY.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)<20)&&(Math.abs(g.mouseY-tendeurY.point[j].x)<20);		     	
			
		     	   	 if(survol){			   	  
				     tendeurX.drag =i;
				     tendeurY.drag =j;
				   break;
			     }	   
				  	
		
	     	}}
	    // }
     }
  public  void   dessiner() {
  	g.beginShape(TRIANGLES); 
	     for (int j= 0; j<nb-1;j++) {g.fill(0);g.noStroke();
		     for (int i = 0;i<nb-1;i++) {
			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)*1.2,11*(20-j),i*11);
			g.vertex(tendeurX.point[i].x,tendeurY.point[j].x);
			g.fill((dx+dy)*2.7,dy*2,dx*j);
			g.vertex(tendeurX.point[i+1].x,tendeurY.point[j].x);	
	
			g.fill((dy+dy),10*i,(dx+i)*5);
			g.vertex(tendeurX.point[i].x,tendeurY.point[j+1].x);

		g.fill((dx+dy)*1.2,11*(20-j),i*11);
			g.vertex(tendeurX.point[i].x,tendeurY.point[j+1].x);
			g.fill((dx+dy)*2.7,dy*2,dx*j);
			g.vertex(tendeurX.point[i+1].x,tendeurY.point[j].x);	

			g.fill((dy+dy)*4,10*i,(dx+i)*5);
			g.vertex(tendeurX.point[i+1].x,tendeurY.point[j+1].x);
			
			
		     }
	     }
g.endShape();
     };
void lignes() {
	float mx, my;
	g.stroke( 255);
	for (int i= 0; i < nb - 1; i++) {
		for (int j= 0; j < nb - 1; j++) {
			/*int pas= j % 2;
			if (i == nb - 1) {
					mx= tendeurX.point[i].x;
					pas= 0;
				} else {
					mx=	(tendeurX.point[i].x	+ tendeurX.point[i+ 1].x)	/ 2;
			}
			if(j == nb - 1) {
					my= tendeurY.point[j].x; pas=0;}
				 else{ my=(tendeurY.point[j].x+ tendeurY.point[j+ 1].x)/ 2;
			}*/
			g.bezier(
				tendeurX.point[i].x,
				tendeurY.point[j].x,
				tendeurX.point[j].x,
				tendeurY.point[j].x,
				tendeurX.point[i + 1].x,
				tendeurY.point[j+1 ].x,
				tendeurX.point[i ].x,
				tendeurY.point[i ].x);

		}
	}
	for (int j= 0; j < nb - 1; j++) {
		for (int i= 0; i < nb - 1; i++) {
			int pas= i % 2;
			if (j == nb - 1) {
				my= tendeurY.point[j].x;
				pas= 0;
			} else {
				my=
					(tendeurY.point[j].x
						+ tendeurY.point[j
						+ 1].x)
						/ 2;
			}
			mx=
				(i == nb - 1)
					? tendeurX.point[i].x
					: (tendeurX.point[i].x
						+ tendeurX.point[i
						+ 1].x)
						/ 2;
			g.bezier(
				tendeurX.point[0].x,
				tendeurY.point[j].x,
				tendeurX.point[i].x,
				tendeurY.point[j + pas].x,
				mx,
				my,
				tendeurX.point[i + 1].x,
				tendeurY.point[j + 1].x);
		}
	}
};
void  go() {
	
			init();  
                      tendeurY.evolution();
		     tendeurX.evolution();
		
		    g.clear();
		  dessiner();
		// lignes();
	   
     };

}


//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::classe Sommet

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;
	
}

}

//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::classe Tirette

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);
  }

}