Hello!  

@ antiplastik: Thank you!

@ Quark: I posted what you wrote me via messaging here:

Every shape created has a tag (String) and tagNo (int) which can be set to any value e.g. array index.


Code:

  for (int i = 0; i < box.length; i++) {     
     size = 5 + (int)random(15);
     box[i] = new Box(this,size,size,size);
     box[i].moveTo(random(-18,18), random(-18,18), random(-18,18));
     box[i].fill(randomColor());
     box[i].tagNo = i;
     box[i].tag = "Box "+i;   
}   

Then inside draw we have


Code:

    if(mouseClicked){
     Shape3D picked = Shape3D.pickShape(this,mouseX, mouseY);
     if(picked != null){
 	 // use tagNo as array index
 	 box[picked.tagNo].fill(randomColor());
     }
     mouseClicked = false;
   }  

---

Quote:


All shapes have 2 attributes that the user can do with as they will.

Assuming that we have a shape object called myshape then we can use these attributes to identify our shapes in any way we wish.


Code:

 // String attribute tag
 myshape.tag = "This shape is called box"; 
 // Int attribute tagNo 
 myshape.tagNo = 101;
 println(myshape.tag + "  " + tagNo);  
 // Will display 
 // This shape is called box 101   

Hope this helps.

Greetings, Chrisir