Circle Illusion Animation in PowerPoint

Created: Wednesday, July 19, 2017, posted by Geetesh Bajaj at 9:45 am

PowerPoint did allow me to create a very similar animation, but added capabilities that seem to magnetize an animation to end up or even start faster.


This story began with a message from my mother, who never uses PowerPoint. She innocently sent me a link to a video clip, which she thought would be something I would love. And she was right. What she probably did not know is that I wanted to recreate the animation shown in this video clip using PowerPoint.

That was easier said than done! PowerPoint did allow me to create a very similar animation, added capabilities that seem to magnetize an animation to end up or even start faster. As a result, my circle illusion ended up becoming an oval illusion, as you can see in the video below.

Manon Mikkers MinningWith much help from Manon Mikkers Minning, a PowerPoint specialist based in the Netherlands, I figured out that the Smooth start and Smooth end timings needed to be much longer than what I had initially used.

After some trial and error, I found that the Smooth start and Smooth end timings both needed to be 30% each of the entire animation time. For my 4 second animation, I had to set 1.2 seconds each for both Smooth start and Smooth end (see Figure 1, below).

Smooth Start and End
Figure 1: Smooth Start and End

The video below shows the result of using various Smooth start and end timings.

Circle Illusion Animation in PowerPoint

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2 Comments

  • keith feisel

    I can see that the circles need a motion path, and then a reverse, but I don’t know how to get the angles around a circle, or how to loop the animation smoothly. Any more explanation in how you recreated this in PPT would be appreciated. Thank you,

    • Keith, I could have the timings mathematically, but I just kept manipulating the delay times for the animations until I got them perfect. That’s the secret though: only alter the delay times. The timings of all animations (4 seconds) and event (With Previous) are identical.

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