The outer frame is a mobile phone，the two rectangles inside are an application i

the outer frame is a mobile phone，the two rectangles inside are an application interface dragged to a position and released, then return to the original icon position，mainly expresses the movement of iOS desktop system icons through spring simulation,(X,y)is the center point of the application interface，And width（w），Alpha， ratio（R）all are interface attributes，please annotate to the interface，image needs to respond，an interface simulates returning to the icon through a Spring animation