I first got my hands dirty with programming back in freshman year of college. Back then my major was Interactive Development and Design before I switched over to 3D Digital Graphics, ironically I now do more development work than 3d design, but I am trying to balance that out. Anyway, we were learning how to write actionscript in some Adobe flash editor and it confused me, lots. The assignment was to create a 2 - 3 minute animation for a music video or speech.
I chose to use Pale Blue Dot by Carl Sagan, I wanted the result to be profound and life-altering, this was my first assignment as a freshman in college after-all.
The first element I wanted to put on the screen was slow zoom of a spinning earth starting from very far away. So I thought about how to create this element in this 2d graphics editor and I came up with a solution involving a circle mask ontop of a flat map of earth. I would pan the flat map horizontally while it was clipped to only show a circlular portion, once it got to the end of the flat map it would repeat. This would simulate a 3D spinning earth.
I wish I could find the original final result, it's got to be somewhere on a hard-drive, I will update this post if I end up finding it.
But anyway, the other day I was having some internet trouble and couldn't connect to slack. If you haven't experienced this before, slack has a standard screen informing you that you don't have internet connection, this is accompanied by a nice spinning globe gif. Here is a motionless screenshot:
ADD SCREENSHOT HERE
Now, I don't know how they created this animation, it could be another method entirely. Either way, it reminded me of that project I did almost 10 years ago and got me thinking to how easily/quickly I could build it today. So I whipped up a codepen in a couple minutes had the result, I used the same circle masking method with a CSS keyframe animation. Check it out.