6 Replies
      Latest reply: Sep 14, 2016 2:48 PM by Max Power RSS
      advancecoder56 Level 1 Level 1 (0 points)
        import Cocoa
        import SpriteKit
        import PlaygroundSupport
        let view:SKView = SKView(frame: CGRect(x: 0, y: 0, width: 1024, height: 768))
        let scene:SKScene = SKScene(size: CGSize(width: 1024, height: 768))
        scene.scaleMode = SKSceneScaleMode.aspectFit
        view.presentScene(scene)
        view.showsFPS = true
        let redBox:SKSpriteNode = SKSpriteNode(color: SKColor.red, size: CGSize.init(width: 300, height: 300))
        redBox.position = CGPoint(x: 512, y: 384)
        redBox.run(SKAction.repeatForever(SKAction.rotate(byAngle: 6, duration: 2)))
        scene.addChild(redBox)
        PlaygroundPage.current.liveView = view
        PlaygroundPage.current.needsIndefiniteExecution = true
        

         

        I have the following code but it doesn't display the spinning red square as expected.  What do I do?

        • Re: Playgrounds: Swift SpriteKit code is not getting live view
          eskimo Apple Staff Apple Staff (6,490 points)

          Did you show the assistant editor (View > Assistant Editor > Show Assistant Editor)?  I pasted your code into a playground (OS X 10.11.6, Xcode 8.0b6, macOS playground) and I got a spinning red square once I showed that.

          Share and Enjoy

          Quinn “The Eskimo!”
          Apple Developer Relations, Developer Technical Support, Core OS/Hardware
          let myEmail = "eskimo" + "1" + "@apple.com"

            • Re: Playgrounds: Swift SpriteKit code is not getting live view
              advancecoder56 Level 1 Level 1 (0 points)

              I showed the assistant editor but the Xcode Playground got into an infinite loop with the running command and never displayed the spinning red box with Xcode 8.0b6 and OS X 10.12 Beta (16A313a).  How can I solve this problem?  Is there a way to find out what is happening with Playgrounds?  It seems very flaky on my machine.

                • Re: Playgrounds: Swift SpriteKit code is not getting live view
                  eskimo Apple Staff Apple Staff (6,490 points)

                  How can I solve this problem?

                  I don’t have any suggestions here, alas.  I did what you did and it worked just fine.

                  Share and Enjoy

                  Quinn “The Eskimo!”
                  Apple Developer Relations, Developer Technical Support, Core OS/Hardware
                  let myEmail = "eskimo" + "1" + "@apple.com"

                    • Re: Playgrounds: Swift SpriteKit code is not getting live view
                      advancecoder56 Level 1 Level 1 (0 points)

                      I turned on the issues log in Xcode 8 GM Seed Playgrounds and this is output I got:

                       

                      Playground execution failed: error: Couldn't lookup symbols:
                        __TMaC17PlaygroundSupport14PlaygroundPage
                        __TFC17PlaygroundSupport14PlaygroundPages24needsIndefiniteExecutionSb
                        __TFC17PlaygroundSupport14PlaygroundPageau7currentS0_
                        __TWPCSo6NSView17PlaygroundSupport22PlaygroundLiveViewableS0_
                        __TFC17PlaygroundSupport14PlaygroundPages8liveViewGSqPS_22PlaygroundLiveViewable__
                      * thread #1: tid = 0x2eb451, 0x000000010fa5b360 com.apple.dt.Xcode.PlaygroundStub-macosx`executePlayground, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
                        * frame #0: 0x000000010fa5b360 com.apple.dt.Xcode.PlaygroundStub-macosx`executePlayground
                          frame #1: 0x000000010fa5922a com.apple.dt.Xcode.PlaygroundStub-macosx`-[PlaygroundViewBridgeService execute] + 90
                          frame #2: 0x00007fffad01602c CoreFoundation`__invoking___ + 140
                          frame #3: 0x00007fffad015eb1 CoreFoundation`-[NSInvocation invoke] + 289
                          frame #4: 0x00007fffad02f376 CoreFoundation`-[NSInvocation invokeWithTarget:] + 54
                          frame #5: 0x00007fffc021f18d ViewBridge`__68-[NSVB_ViewServiceImplicitAnimationDecodingProxy forwardInvocation:]_block_invoke + 47
                          frame #6: 0x00007fffc023078b ViewBridge`__runAnimationGroup_block_invoke + 21
                          frame #7: 0x00007fffab56b7e3 AppKit`+[NSAnimationContext runAnimationGroup:] + 58
                          frame #8: 0x00007fffaacc5776 AppKit`+[NSAnimationContext runAnimationGroup:completionHandler:] + 85
                          frame #9: 0x00007fffc0230767 ViewBridge`runAnimationGroup + 303
                          frame #10: 0x00007fffc021ec94 ViewBridge`+[NSVB_View _animateWithAttributes:animations:completion:] + 507
                          frame #11: 0x00007fffc021f10f ViewBridge`-[NSVB_ViewServiceImplicitAnimationDecodingProxy forwardInvocation:] + 156
                          frame #12: 0x00007fffad0149ea CoreFoundation`___forwarding___ + 538
                          frame #13: 0x00007fffad014748 CoreFoundation`__forwarding_prep_0___ + 120
                          frame #14: 0x00007fffad01602c CoreFoundation`__invoking___ + 140
                          frame #15: 0x00007fffad015eb1 CoreFoundation`-[NSInvocation invoke] + 289
                          frame #16: 0x00007fffad02f376 CoreFoundation`-[NSInvocation invokeWithTarget:] + 54
                          frame #17: 0x00007fffc01ed22b ViewBridge`-[NSVB_QueueingProxy forwardInvocation:] + 327
                          frame #18: 0x00007fffad0149ea CoreFoundation`___forwarding___ + 538
                          frame #19: 0x00007fffad014748 CoreFoundation`__forwarding_prep_0___ + 120
                          frame #20: 0x00007fffad01602c CoreFoundation`__invoking___ + 140
                          frame #21: 0x00007fffad015eb1 CoreFoundation`-[NSInvocation invoke] + 289
                          frame #22: 0x00007fffad02f376 CoreFoundation`-[NSInvocation invokeWithTarget:] + 54
                          frame #23: 0x00007fffad0149ea CoreFoundation`___forwarding___ + 538
                          frame #24: 0x00007fffad014748 CoreFoundation`__forwarding_prep_0___ + 120
                          frame #25: 0x00007fffad01602c CoreFoundation`__invoking___ + 140
                          frame #26: 0x00007fffad015eb1 CoreFoundation`-[NSInvocation invoke] + 289
                          frame #27: 0x00007fffad02f376 CoreFoundation`-[NSInvocation invokeWithTarget:] + 54
                          frame #28: 0x00007fffad0149ea CoreFoundation`___forwarding___ + 538
                          frame #29: 0x00007fffad014748 CoreFoundation`__forwarding_prep_0___ + 120
                          frame #30: 0x00007fffad01602c CoreFoundation`__invoking___ + 140
                          frame #31: 0x00007fffad015eb1 CoreFoundation`-[NSInvocation invoke] + 289
                          frame #32: 0x00007fffc0234e28 ViewBridge`withHintInProgress + 487
                          frame #33: 0x00007fffc0234b57 ViewBridge`__deferNSXPCInvocationOntoMainThread_block_invoke_2 + 233
                          frame #34: 0x00007fffc01c6202 ViewBridge`+[NSViewServiceApplication withHostPID:invoke:] + 46
                          frame #35: 0x00007fffc0234a1a ViewBridge`__deferNSXPCInvocationOntoMainThread_block_invoke + 179
                          frame #36: 0x00007fffc0234607 ViewBridge`__deferBlockOntoMainThread_block_invoke_2 + 544
                          frame #37: 0x00007fffad0383ac CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
                          frame #38: 0x00007fffad019424 CoreFoundation`__CFRunLoopDoBlocks + 356
                          frame #39: 0x00007fffad018f66 CoreFoundation`__CFRunLoopRun + 1878
                          frame #40: 0x00007fffad0185b4 CoreFoundation`CFRunLoopRunSpecific + 420
                          frame #41: 0x00007fffac5b9f6c HIToolbox`RunCurrentEventLoopInMode + 240
                          frame #42: 0x00007fffac5b9da1 HIToolbox`ReceiveNextEventCommon + 432
                          frame #43: 0x00007fffac5b9bd6 HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71
                          frame #44: 0x00007fffaacaf5f5 AppKit`_DPSNextEvent + 1093
                          frame #45: 0x00007fffab3bf8eb AppKit`-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1637
                          frame #46: 0x00007fffc01c747a ViewBridge`-[NSViewServiceApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 102
                          frame #47: 0x00007fffaaca3fbd AppKit`-[NSApplication run] + 926
                          frame #48: 0x00007fffaac6ea8a AppKit`NSApplicationMain + 1237
                          frame #49: 0x00007fffc22ad8b3 libxpc.dylib`_xpc_objc_main + 775
                          frame #50: 0x00007fffc22ac2d0 libxpc.dylib`xpc_main + 494
                          frame #51: 0x00007fffc01f16b9 ViewBridge`-[NSXPCSharedListener resume] + 16
                          frame #52: 0x00007fffc01cc2c9 ViewBridge`NSViewServiceApplicationMain + 3022
                          frame #53: 0x000000010fa5b3a2 com.apple.dt.Xcode.PlaygroundStub-macosx`main + 34
                          frame #54: 0x00007fffc204a255 libdyld.dylib`start + 1
                          frame #55: 0x00007fffc204a255 libdyld.dylib`start + 1
                      

                       

                      Can someone parse this and make sense of this because I don't get a rotating red square?

                • Re: Playgrounds: Swift SpriteKit code is not getting live view
                  Max Power Level 1 Level 1 (0 points)

                  I just read your complaint to the Swift mailing list, and was so free to test your code in the final version of Xcode 8, and I could see the turning square.