@Override
public VarType evaluate() {
Drawable d = null;
VarType v = null;
// try{
Drawable aP = params.get(0).evaluate().asDrawable();
Drawable bP = params.get(1).evaluate().asDrawable();
// this.drawableEvent(CustomEvent.REMOVE_DRAWABLE, aP);
// this.drawableEvent(CustomEvent.REMOVE_DRAWABLE, bP);
d = PolyBoolean.union(aP.copy(), bP.copy());
aP.hide();
bP.hide();
// d.setIdentifier(aP.getIdentifier());
this.fireDrawableEvent(CustomEvent.DRAWABLE_CREATED, d);
v = new VarType(d);
d.setLine(line);
// }
/*catch (ClassCastException e){
throw new RuntimeException("Illegal union function call at line:"+ line+" : " + this);
}*/
return v;
}
