Animate an SKSpriteNode with textures that have a size different from the original

Question

I want to animate an SKSpriteNode using textures from an SKTextureAtlas, using SKAction.animateWithTextures(textures,timePerFrame,resize,restore). However, the

Answer 1

This would work

1. Edit all the textures to match the size of the largest sized texture.

Just give the smaller textures some padding using an alpha channel to give you a transparent background.

E.g. Notice how the first texture has lots of negative space (From CartoonSmart.com)

2. Create the physics body with a certain size in mind. E.g. You can load the texture without the padding and get the size. Then position it as needed onto the new and improved texture with padding. So after you create the Sprite as normal with the new resized textures you can then

   /// load a texture to be a template for the size
   let imageTextureSizeTemplate = SKTexture(imageNamed: textureWithoutPadding)
   
   let bodySize = imageTextureSizeTemplate.size()
   
    /// position template texture physics body on texture that will be used  
   let bodyCenter = CGPointMake(0.5, 0.5)
   
   // create physics body
   let body:SKPhysicsBody = SKPhysicsBody(rectangleOfSize: bodySize, center: bodyCeneter)
   
       self.physicsBody = body
   

3. Set resize: false when you animate the textures.