Take the code snippet and extend it by the following functionality.

• All the objects will be moving randomly and periodically moving up and down, or left and right.
• Objects will be rotating.
• You will be able to shoot one shot per time.
• When the shot hits an object, the object will disappear
• Whe the shot is out of the scene it will disappear as well.
• There will be an icon (sphere) in the top right part of the window informing the user that he/she can shoot again and the gun is loaded.
• When all the objects are shot, the game ends and displays the spent time.