Step 4: Fog Movement

Next, we are going to slowly move each Fog 1 object 1 pixel up and right and add to the counters. Moving the fog quicker horizontally that it does vertically will create a more realistic effect.

• Every 00"-10

• : Add 1 X Counter
• : Set X position to X( "" ) + 1

• Every 00"-14

• : Add 1 Y Counter
• : Set Y position to Y( "" ) - 1

Now we must reposition the object back at it's original X position once it has moved 320 pixels right (it's own width) and back at it's original Y position once it has moved 180 pixels up (it's own height).

• X Counter of = 320

• : Set X Counter to 0
• : Set X position to Initial X( "" )

• Y Counter of = 180

• : Set Y Counter to 0
• : Set Y position to Initial Y( "" )

Test the application and you will see one layer of fog seemelessly scrolling into infinity.