in this tutorial we will learn how to easily create a mask animation in photoshop.
Step 1:
Open a file with following settings.
Step 2:
Select Type tool and write MASKING in #ffcb05 color. Create a new layer, name it Circle, select elliptical marquee from tool Box , choose Fill pixels from property bar and draw an circular shape over M in red color.
Step 3:
Select Circle layer and press Ctrl+ALt+G to create clipping mask,
Step 4:
Go to window menu bar and open Animation window.
Step 5:
Now in Animation window click "Duplicate selected frames" icon twice while Frame 1 is selected. It will create 2 more frames. Now total number of frames are 3. go to Frame 2 and drag red circle over letter G
Step 6
Select Frame 1 click "Tween animation frames" icon, select Frame to Add =5.
Step 7:
Now we have total 8 frames. Select Frame 7 and apply tweening again with same settings.
Here is the Final Result. 