Spritesheets (aka texture atlases) are a common technique in computer graphics to combine multiple images on to a single image. However if an image on a sprites...
Thanks for this post Ashley. Another way I'm thinking could be to always have blank (transparent) offset to all our images? So every sprite will be 0.1-1% unnecessarily larger, but all unwanted bleeds will definitely be transparent anyway?
A fixed transparent edge does not always solve the problem. As noted in the blog post, the only way to really solve it is with power-of-two sizing and positioning, via the "High" quality downscaling setting.