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Newcomers AppGameKit Corner / Power of two sprite question

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Behdadsoft
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Joined: 7th Apr 2009
Location: Tehran-Iran
Posted: 10th Apr 2015 22:01 Edited at: 10th Apr 2015 22:02
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Hi.

I have two sprite and want make sprite sheet from them. my sprites no have standard size(64,128,256,512,...) and when I make sprite sheet, it no power of two output.

if I make power of two sprite sheet, it have empty space. (pic 1)
if I don't make Power of two sprite sheet, no have empty space. (Pic 2)

I know power of two sprite sheet make optimize memory else memory space is occupies.

My question is if i have power of two sprite sheet with empty space (Pic 1), don't occupies of memory? or better way is use an no power of two sprite sheet?

Please Guide Me.

Thanks.

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baxslash
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Joined: 26th Dec 2006
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Posted: 11th Apr 2015 01:32
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The point is to use power of two size images wherever possible. If your image is less than power of two then you are using resources for 'empty' space. You could use the same amount of space with a higher quality image or you could use a lower quality image and use less resources.

The difference is not always huge. You could use a 240x240 image wasting very little memory or you could use a 260x260 image wasting a lot of memory... 256x256 would be ideal.

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Behdadsoft
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Posted: 11th Apr 2015 09:47
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Quote: " If your image is less than power of two then you are using resources for 'empty' space. You could use the same amount of space with a higher quality image or you could use a lower quality image and use less resources."


I don't understand your mean.
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baxslash
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Posted: 11th Apr 2015 18:47
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I'm basically saying stick to the minimum power of two size image you can without the image looking bad.

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Behdadsoft
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Posted: 12th Apr 2015 18:19
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ok,Thanks.
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