ios - SpriteKit, SKSpriteNode scale with bouncing -

i need scale skspritenode(with physicsbody) bouncing.

i don't want create 3(for example) skaction make it.

does know scale method taking account restitution property of phisicsbody?

thank in advance

my variant below

class openplayerscene : skscene { private var openfromframe: cgrect?  private var logoimage: uiimage!  let ballcategory: uint32  = 1 let wallcategory: uint32  = 2  convenience init(size: cgsize, openfromframe: cgrect, imageforopen:uiimage!) {     self.init(size:size)     self.backgroundcolor = skcolor.clearcolor()     self.scalemode = .aspectfit     self.physicsbody = skphysicsbody(edgeloopfromrect: self.frame)     self.physicsbody?.categorybitmask = wallcategory      self.openfromframe = openfromframe     self.logoimage = imageforopen }  override init(size: cgsize) {     super.init(size: size) }  required init?(coder adecoder: nscoder) {     fatalerror("init(coder:) has not been implemented") }  func initlogonode (logoimage: uiimage!) {     let texture = sktexture(image: logoimage!)     let size = openfromframe?.size     let imagenode = skspritenode(texture: texture, size: size!)     imagenode.name = "logonode"      imagenode.physicsbody = skphysicsbody(rectangleofsize: size!)     imagenode.physicsbody?.dynamic = true     imagenode.physicsbody?.restitution = 0.7     imagenode.physicsbody?.affectedbygravity = false      imagenode.physicsbody!.categorybitmask = ballcategory      let startposition = cgpointmake(openfromframe!.origin.x + openfromframe!.size.width / 2, self.size.height - (openfromframe!.origin.y + openfromframe!.size.height / 2))      imagenode.position  = startposition     self.addchild(imagenode) }  override func didmovetoview(view: skview) {     self.runanimation() }  override func touchesbegan(touches: set<nsobject>, withevent event: uievent) {     self.runanimation() }  func runanimation () {     if let oldnote = self.childnodewithname("logonode") {         oldnote.removefromparent()     }      self.initlogonode(self.logoimage)     if let imagenode = self.childnodewithname("logonode") {          let scalevalue = cgrectgetheight(self.view!.frame) / cgrectgetheight(imagenode.frame)          let scale = skaction.scaleto(scalevalue * 0.95, duration: 0.5)          let movetox = skaction.movetox(275, duration: 0.5)         let group = skaction.group([scale, movetox])          let movetox2 = skaction.movetox(225, duration: 1)         let scale2 = skaction.scaleto(scalevalue * 0.8, duration: 1)         let group2 = skaction.group([scale2, movetox2])          let movetox3 = skaction.movetox(230, duration: 0.5)         let scale3 = skaction.scaleto(scalevalue * 0.82, duration: 0.5)         let group3 = skaction.group([scale3, movetox3])          let movesequence = skaction.sequence([group, group2, group3])          imagenode.runaction(movesequence, completion: { () -> void in          })     } } }