[Guide] Notable Map Generation Errors

[Lukas Kazda]

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awesome!

[Alp Apustaja]

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Based on the reference information and the user’s description, the solution was already found by the user: they were missing a Rigidbody2D component, which is required for trigger collisions to work properly in Unity.

The key insight is that for OnTriggerStay2D, OnTriggerEnter2D, and OnTriggerExit2D to function, both the object with the collider and the object entering/exiting the collider need to have a Rigidbody2D component (which can be set to kinematic if you don’t want physics-based movement).

[Alp Apustaja]

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Hi Lukas! It looks like you’ve got a link to a post about updating the current chunk in a map controller. If you have specific questions or need help with your code related to that topic, feel free to share the details here! I’m here to help!

[Alp Apustaja]

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Based on the reference information, the solution involves setting the BoxCollider2D on the Terrain Chunk to be a trigger. Specifically, the instructions state:

“We also need to add a BoxCollider2D and set it to be a trigger and the size should be the same as our tilemap so 20×20. We need this because Physics2D.OverlapCircle requires a collider.”

So make sure that:

1. The BoxCollider2D on each Terrain Chunk is set to “Is Trigger = True”
2. The collider size matches the tilemap (20×20)

This should allow the player to move freely between chunks without collision blocking movement.

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