class Cube{

  float bx, by, bz, bw, x, y, z, w, xs, ys, zs;
  float fresh = 8;
  boolean picked;
  boolean selected = false;
  int gravity = 2;
  ArrayList cc;
  float s = 12;
  float s2 = 12;
  char letter = 'A';
  boolean clickedOn;

  Cube(){

  }

  Cube(float w){

    this.bw = w;

  }

  void position(float x, float y, float z){

    this.bx = x;
    this.by = y;
    this.bz = z;
 
  }

  void create(float parentX, float parentY, float parentZ, float parentW){
    // draw cube
    pushMatrix();
    translate(bx-bw/2, by-bw/2, bz-bw/2);
    update(parentX, parentY, parentZ, parentW);
    strokeWeight(0.01);
   // fill(123, 125, 230, 20);
    box(bw);
    popMatrix();
    
  }

  void update(float parentX, float parentY, float parentZ, float parentW){

    xs = screenX(0, 0, 0); 
    ys = screenY(0, 0, 0); 
    zs = screenZ(0, 0, 0);
    

    boolean picked = checkDist(xs, ys, zs, fresh);
    
    if((by-bw > parentY + parentW || by < parentY ) && !selected){
      bz -=gravity;
    }

    float theDistM = dist(mouseX,mouseY,0,bx,by,bz);
    
    
    if (picked) {

      stroke(0,64,255,80); // white if mouse over

      selected = true;
      
      if(bw<parentW){
        bw += 0.5 - 0.001;
        s++;
      }
      if(fresh < bw || fresh > bw ){

        fresh = bw;

      }
      
    }
     else if(theDistM > fresh){

      stroke(22,255,120); // otherwise blue 
      selected = false;

    }
  }
  
 char addLetter(Cube parentCube, char letter){

    textSize(s);
    pushMatrix();
    translate(parentCube.bx, parentCube.by, parentCube.bz-parentCube.w/1.5);
    pushMatrix();
    rotateY(PI/2);
    rotateZ(PI/2);
    rotateY(PI);
    
    if(parentCube.selected == true){
    fill(255);
    }else{
      fill(150, 255, 255);
    }
 
    text(letter, 0, 0, 0);
  
    noFill();
    popMatrix();
    popMatrix();
   
   return letter;
  }
  
   char addLetter2(Cube parentCube,  char letter){

    textSize(s2);
    pushMatrix();
    translate(parentCube.bx, parentCube.by, parentCube.bz-parentCube.w/1.5);
    pushMatrix();
    rotateY(PI/2);
    rotateZ(PI/2);
    rotateY(PI);
    
    if(parentCube.selected == true){
    fill(255);
    }else{
      fill(25, 164, 255, 80);
    }
    text(letter, 0, 0, 0);
  
    noFill();
    popMatrix();
    popMatrix();
   
   return letter;
  }
  
  boolean clickedOn(){
    if (bw > 75){
      return true;
    }else{
      return false;
    }
  }
}