swift - How to get an SKNode's zRotation relative to its scene? -


is there way sknode's zrotation relative scene rather parent? or relative other sknode?

right i'm doing this:

func rotationrelativetoscenefornode(node: sknode) -> cgfloat {     var noderotation = cgfloat(0)     var tempnode: sknode = node      while !(tempnode skscene) {         noderotation += tempnode.zrotation         tempnode = tempnode.parent!     }      return noderotation }

but i'm not sure best way it.


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