ios - Images for retina screen (@2x)

Question

Now I am making a Game with spritekit(swift) in Xcode 6.

It has to be playable for iPhone 4s and higher. But as far as I know are all iphones from 4s and higher Retina so I can add all images with (750 x 1334 pix) and with @2x.png.

So I do not need to add images without @2x..

Am I correct?

Answer 1

Example: If you have a 512 x 512 (1x) image and you want it to support (2x and 3x) you have to include those 2 files like this:

yourImage.png       // (512x512 at 1x)
yourImage@2x.png    // (1024x1024 at 2x)
yourImage@3x.png    // (1536x1536 at 3x)