If you want a collision you’d use “OnCollisionEnter”. It has pretty much the same process as the trigger functions. So you’ll have OnCollisionEnter, OnCollisionStay, OnCollisionExit. That’s for when you want something to hit something but not go through, like maybe a character running into a wall.
Also to clarify the “isTrigger” checkbox, that tells Unity to treat that collider as a trigger. If you have that unchecked it will still act as a solid collider regardless of whether or not you’re using “OnTriggerEnter”.
