Dragging object from one group into a specific location in another group

Solar2D General Questions/Discussion
#1

Setup:

I have 3 groups:

  1. main display group
  2. Group in the center of the screen with, say, a grid in it
  3. Group at the bottom of the screen holding 4 images (objects).

I am wanting to drag one of the images from the bottom and place it in the group with the grid at a specific grid-defined location (say, grid location 3, 5).

Question/Problem:

So, when I drag the image up to the new group, the image is never placed in the right spot, I presume because each group has a different internal coordinate system. If I extract the images and grid out into the same group, the dragging and placement works fine. When dragging items from one group to another is it common practice to map object device coordinates back into a specific group coordinate system? I think this is the case, I just don’t want to be going the wrong direction if there is a more elegant way to do this.

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