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I am working on an iPhone game in spritekit, for the past while I have been using random graphics but as my game play is beginning to shape up. I think it's time I look into my own graphics development.

My level is designed in Tiled, So I would like to know if it is ok to make each tile 16 * 16 and the hd version ( for the iPhone retina) 32 * 32. and, what is the difference in drawing images for iPhone and iPhone retina.

Thank you

Jennifer
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That's correct. Retina graphics twice the resolution of non-retina. The easiest way to support both retina and non-retina displays is to make two copies of each graphic you use. Use the format imagename.png for the non-retina and imagename@2x.png for the retina image. When you want to load the image you can use this line:

UIImage* image = [UIImage imageNamed:@"imagename"];

iOS will automatically select the correct image.

Connor Pearson
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  • thanks for the answers So, I will make 16*16 tiles for normal iphones and 32*32 tiles for hd iphones – Jennifer May 06 '14 at 16:13