Right now the dragged cards are drawn and moved in the board's perspective, but the drag events are in viewport space (i.e. flat to the screen). This causes a mismatch between the cursor (or finger) and the card. Notice the card change position relative to the cursor at the edges of the viewport.
Right now the dragged cards are drawn and moved in the board's perspective, but the drag events are in viewport space (i.e. flat to the screen). This causes a mismatch between the cursor (or finger) and the card. Notice the card change position relative to the cursor at the edges of the viewport.