First of all, I apologize for any mistakes and if this is off topic.
I'm trying to make a seamless skybox from 6 square textures, but I can't find any tutorials on how to properly distort the textures, so the edges wouldn't be noticable. I would appreciate if you explained it in simple terms or gave clear instructions on how to do it or linked a tutorial that does the things mentioned above.
External link →A cubemap is just one way to represent a 360 degree spherical image, albeit the most efficient way for real-time graphics. But for 2D artists, the easiest way to create and work with 360 degree spherical images is in a program that supports editing them directly without worrying about all the warping and edges, such as Photoshop:
Once you have your 360 degree spherical image in the format of an equirectangular image, there are numerous ways to convert it to a cubemap depending on how you plan to use it. Unreal Engine, for example, converts equirectangular images automatically to cubemaps if they are stored in the correct HDR image format on import.
tl;dr Don't try to edit the cubemap directly, instead use an image editing program that supports editing 360 degree panoramas (such as Photoshop). Convert your result to a cubemap at the end.
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