Features added:
Choose whether to transparentize the puzzle in different planes.
Double-click the left mouse button in the empty space to reset the lens to the center.
Double-click the right mouse button in the empty space. If there is a selected puzzle, set the lens to the center of the puzzle.
Drag the left mouse button in the empty space to pan the lens.
Bug fixed:
Fix click decision.
Fix the UI anomaly of puzzle translation and rotation.
Fix an archive exception.
Fix the problem of continuous triggering of sound effects.