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Question by wintermute · Oct 12, 2012 at 03:09 AM · 2dtrigger

2D Trigger Detection

I'm starting to develop a 2D Game (specifically a TD game) in Unity. I currently plan on using triggers to see if one of my objects is inside an area. I'm aware that Colliders/Triggers do not send messages when there is no rigidbody attached to them.

The game doesn't have any physics so what would be a good way to approach the trigger detection? Will I have to manually script something that checks all the objects in a vicinity (via Raycast probably?) Or would trying to work with Colliders/Triggers be a better approach?

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