class Dichte
{
  
  
//PROPERTIES
  float xa,ya,xb,yb; //eckpunkte des dichtefeldes
  float maxD;//maximale dichte
  float currD;//aktuelle dichte
  float a;//alphawert
//---------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------
//CONSTRUCTOR

  Dichte(float xa,float ya,float xb,float yb,float maxD)
  {
  this.xa = xa;
  this.ya = ya;
  this.xb = xb;
  this.yb = yb;
  this.maxD = maxD;

  currD=0;
  a=0;
  }
//---------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------
//METHODES

  boolean isFull()
  {
  return ( currD > maxD  );
  }
//---------------------------------------------------------------------------------------------------------

  void currDBigger()
  {
   currD += 1; 
   a += 0.01;
  }
//---------------------------------------------------------------------------------------------------------

  void display()
  { 
  fill(0,255,0,a); 
  noStroke();
  stroke(255);
  rectMode(CORNERS);
  rect(xa,ya,xb,yb);
  rectMode(CORNER); 
  }
//---------------------------------------------------------------------------------------------------------
//GETTER

   float getMaxD()
   {
    return this.maxD;
   }
//---------------------------------------------------------------------------------------------------------

   float getCurrD()
   {
    return this.currD;
   }
//---------------------------------------------------------------------------------------------------------

    float getXa()
   {
    return this.xa;
   }
//---------------------------------------------------------------------------------------------------------

   float getXb()
   {
    return this.xb;
   }
//---------------------------------------------------------------------------------------------------------

   float getYa()
   {
    return this.ya;
   }
//---------------------------------------------------------------------------------------------------------

   float getYb()
   {
    return this.yb;
   }
//---------------------------------------------------------------------------------------------------------
}