How can I detect collision and overlap rects without any colliders/physics?

Unity Engine
1

Feasibly? I must use lists correct?

ive gotten to this part with my code:

	//Collisions
	void CollisionCheck()
	{
		
		//RectBox_
		//Rect other;
		//other
		Self_SpriteRenderer.sprite.rect.Overlaps();
		
	}

how do most devs in unity handle it? Just use colliders?

2

The brute force method is simply to compare every rect with every other rect. That quickly becomes expensive as the number of rects grows.

For better performance consider using a quadtree to cut down on the number of collision checks you need to do

1 Like
3

thank you, I will go research quadtrees.