OnTriggerEnter2D Does Not Register Everytime? : r/Unity2D
OnTriggerEnter2D check for Name - Unity Answers
Adrian K. on Twitter: "@TheAsymmetric7 If you need OnTriggerEnter2D() method, then just move it out of the Update() method. The problem you're experiencing is caused by OnTriggerEnter2D() being nested in Update()." /