I am making a SpriteKit game and I am trying to change the cursor image from the default pointer to a png image that I have imported into the project, but it’s not really working. when I run the project I can see the cursor image change for a brief second and then return to the default image. Here is my code:
print(NSCursor.current)
if let image = NSImage(named: customImage) {
print("The image exists")
cursor = NSCursor(image: image, hotSpot: .zero)
cursor.push()
print(cursor)
}
print(NSCursor.current)
The above code is all contained in the didMove(:) function in GameScene. From the print statements I can see that the memory address of the NSCursor.current changes to that of cursor. HOWEVER, in the mouseMoved(:) call back function I print out the mouse location and the current cursor. I can see from these print stamens that the cursor memory address has again changed and no longer matches the custom cursor address… so I am not sure what is going on…
Also, fyi the cursor is a global property within game scene so it should persist. Also, image is not nil. This is verified by the print statements I see
Thanks
Hey @PajamaUnks,
Thank you for posting this question to the forums!
The proper API to use for this task is NSTrackingArea. There is lots of subtlety to the behavior of the parameters I am specifying in the code I'm about to share with you, so I strongly recommend that you read the following documentation pages to gain a foundational understanding of NSTrackingArea:
https://developer.apple.com/documentation/appkit/nstrackingarea
https://developer.apple.com/documentation/appkit/nstrackingarea/init(rect:options:owner:userinfo:)
https://developer.apple.com/documentation/appkit/nstrackingarea/options-swift.struct/cursorupdate
https://developer.apple.com/documentation/appkit/nstrackingarea/options-swift.struct/activealways
Ok, now for the code:
override func didMove(to view: SKView) {
let trackingArea = NSTrackingArea(rect: .zero, options: [.cursorUpdate, .inVisibleRect, .activeInActiveApp], owner: self, userInfo: nil)
view.addTrackingArea(trackingArea)
... rest of function ...
}
override func cursorUpdate(with event: NSEvent) {
NSCursor.crosshair.set()
}
Best regards,
Greg
