I have taken the Codepen for "Draggable with "droppable" logic" ( See the Pen GFBvn by GreenSock (@GreenSock) on CodePen ) and forked it and rewritten a lot of it to to get the effect i am looking for.   basically, i do not want any draggable item to EVER overlap any any other draggable item.  I spent a good part of the morning today searching the forum and reading up in the docs trying to think of some form of simple collision detection.  The idea being t