Artifacts on top of textures

Development Rendering
1

So I have a cactus sprite like this:

Cactus (1).png

As you can see, it’s nice and round, everything’s fine. When I put it into UE4, though, it suddenly grows a horizontal line on top of it, both in the texture, and later in the sprite:

c39f3845ae749934f1cc515dc61bb0bf3e79f8e4.jpeg

What’s the reason behind that and how can I fix it? I can’t simply drag the source region handle lower cause the nearest lower point is low enough to cut a bit of the top of the cactus off so it loses its appearance :frowning: What can I do, then?

2

it’d be best if you leave a transparent pixel border around the texture. otherwise when it tries to filter the texture it’s interpolating the top with the bottom, and left with right.
you can also try to set the texture address to Clamp (instead of Wrap)