ios - Why doesnt my top and bottom physics body resize for the iPad? -

i have physicsbody bottom of screen , top. fits iphone when go ipad simulator couple inches away top of screen , bottom of screen. doesnt fit on edge of screens ipad reason. can me this? thanks! heres code im using:

let wall1 = skspritenode(color: skcolor.clearcolor(), size: cgsize(width: 2000, height: 5)) let wall2 = skspritenode(color: skcolor.clearcolor(), size: cgsize(width: 2000, height: 5))      func wall() {       //top wall border     wall1.position  = cgpointmake(self.frame.width / 2, self.size.height / 1.1)     wall1.physicsbody  = skphysicsbody(rectangleofsize: wall1.size)     wall1.physicsbody!.dynamic  = false     wall1.physicsbody!.categorybitmask  = sideblockcategory     wall1.physicsbody!.restitution = 0     wall1.physicsbody?.contacttestbitmask = herocategory     wall1.physicsbody?.collisionbitmask = 0     wall1.physicsbody?.usesprecisecollisiondetection = true       //bottom wall border     wall2.position  = cgpointmake(self.frame.width / 2, self.size.height / 8.0)     wall2.physicsbody  = skphysicsbody(rectangleofsize: wall2.size)     wall2.physicsbody!.dynamic  = false     wall2.physicsbody!.categorybitmask  = sideblockcategory     wall2.physicsbody!.restitution = 0     wall2.physicsbody?.contacttestbitmask = herocategory     wall2.physicsbody?.collisionbitmask = 0     wall2.physicsbody?.usesprecisecollisiondetection = true       } 

try this;

//top wall border wall1.position  = cgpointmake(self.frame.width / 2, self.frame.height - 2.5)  //bottom wall border  wall2.position  = cgpointmake(self.frame.width / 2, 2.5)