Look at that prism that follows where your mouse goes! Edits: Hold down space bar for mouse trail version. (Yes I know if you hold the trail still, the original stops animating. Its just a thing now.) Also, make sure to click the box if you go off of the project, because if you try to do space after clicking off the project, it will move the page up and down (something I discovered).
Note: You may take this idea or even use this exact code and prism. I don't really care. If you have further questions, ask in the comments. Also, I would suggest fixing the prism to be smaller if you want the mouse to at least still be usable, or move the images so that it will be at the tip of the mouse. Also, I have made four new blocks that simplifies how to make things follow the mouse called "followMouse","animationOfMouseTrail ","cloner", and "trailCloneAnimation ". "followMouse" makes the prism follow the mouse. "animationOfMouseTrail" makes the prism spin. "cloner" clones the prism to start up the trail (activated by holding the space bar in this version). "trailCloneAnimation" does what "animationOfMouseTrail" does, which is make the clones that are made by holding space animate in a spinning motion. So, place the definition of the blocks in your code, make the pictures for the animation, then just do what I did in coding space (click See inside for what I did), and you have a mouse trail / mouse follower. You can copy one set (Mouse follower is the "followMouse" and "animationOfMouseTrail" blocks, and Mouse trail is all four blocks working in sync, just with it running on its own using the forever blocks