Just wait a few seconds. Then look and enjoy. If they get stuck in a corner, click somewhere on the stage. Better at https://turbowarp.org/753002091?clones=Infinity
After noticing the cool boid-like movement of @blob8108's project, I just got rid of part of the code. All credits to @blob8108. NOTE: this is not "boids" as originally intended (https://en.wikipedia.org/wiki/Boids) as these "birds" do not base their behavior on the position of other birds, they just look at the position of the "center"