macgamesland.com/uploads/posts/2020-03/1584292985_screenshot-3-enter-the-gungeon.jpg < like this
Every x seconds
Repeat 6 times
Spawn bullet
Set bullet angle of motion to 360/loopindex
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First of all an equation like 360/loopindex is not a good idea. Because first loop value will be 0. If there is 6 steps you can use loopindex*(360/6)
Second it doesn't look like a simple loop mechanism. You can check these articles
https://en.wikipedia.org/wiki/Fermat%27s_spiral
codeproject.com/Articles/1221341/The-Vogel-Spiral-Phenomenon
Here is my example
https://drive.google.com/file/d/1SHsaU-Fj9RJuk6bXt0SIyv1wUwrDJVn-/view?usp=sharing