Tag: 精灵套件

SpriteKit – 创build一个计时器

我如何创build一个计时器，每隔两秒钟触发一次，将屏幕上的HUD上的分数递增1？ 这是我对HUD的代码： @implementation MyScene { int counter; BOOL updateLabel; SKLabelNode *counterLabel; } -(id)initWithSize:(CGSize)size { if (self = [super initWithSize:size]) { counter = 0; updateLabel = false; counterLabel = [SKLabelNode labelNodeWithFontNamed:@"Chalkduster"]; counterLabel.name = @"myCounterLabel"; counterLabel.text = @"0"; counterLabel.fontSize = 20; counterLabel.fontColor = [SKColor yellowColor]; counterLabel.horizontalAlignmentMode = SKLabelHorizontalAlignmentModeCenter; counterLabel.verticalAlignmentMode = SKLabelVerticalAlignmentModeBottom; counterLabel.position = CGPointMake(50,50); // change x,y […]