r/unity 1d ago

Question Unity TileMap artifacts

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Hi, as you can see in the image attached to this post, small black lines appear on my TileMap when I paint tile by tile unlike the yellow section, which is also a TileMap but was painted all at once using the fill tool. Why is there a difference? How can I get rid of these artifacts?

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u/Panduhhz 1d ago

Do you have the grid turned on (gizmos) in play mode?

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u/BLAZE424242 1d ago

Is your skybox black/is there black under the tilemap? If so, it's likely leaking through. Pack all your tilemap sprites (even if it's just one sprite sheet) into a sprite atlas, see if that fixes it.