When I scale a sprite in run-time, I do not like it to get pixelated and lose its graphic quality!
Can I use vector graphics in my game (imported from Adobe Illustrator)? or is there a way that may help?
May you advise me please?
Not at the moment. If scaling really stuffs it how about having different resolutions which change as you scale ? Or scaling down rather than up ? Or perhaps you could build a composite of several images ?
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You'd probably have to make them yourself from scratch.