A white line or halo round icons in Unreal Engine will be brought on by anti-aliasing, which is a way used to clean out the sides of objects. Whereas anti-aliasing can enhance the general visible high quality of a scene, it will probably additionally create undesirable artifacts like white traces round icons. To take away the white line from icons, disable anti-aliasing for the icon texture. This may be executed within the texture editor by setting the “Anti-aliasing” property to “None”.
Disabling anti-aliasing for the icon texture will end in sharper edges on the icon, however it might additionally trigger the sides to seem jagged. To keep away from this, use a better decision texture for the icon. A better decision texture can have extra pixels, which can assist to clean out the sides of the icon with out the necessity for anti-aliasing.
