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Is there any way to have better quality textures ?

I thought that creating huge textures will improve their quality in game, that's why I draw textures with 0.25f or 0.5f scale.

I understand that computer can't display 4 pixels in 1 screen pixel, but how people do to have beautiful sprites while zooming ? even on smartphones...

Hope you can help me.

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up vote 3 down vote accepted

I believe what you're looking for is Mipmapping.

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Perfect ;) ths a lot – Sharpnel Feb 16 '13 at 21:41

equally they could be using vector art work that scales infinitly without pixelating

another method that high end game engines use is detail maps - its an extra texture that is overlaid onto the asset/wall/model when the player is very close to said asset

see a better explanation here -

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+1 Vector art is great for zooming. (Though it takes a special rendering steps) – Byte56 Mar 5 '13 at 19:39

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