Spawning the Power-up Star at random
We still need to add the Power-p Star into the world. We can randomly spawn a Star every ten encounters to add some extra excitement. Follow these steps to add the Star logic:
Add a new instance of the
Starclass as a constant on theGameSceneclass:Â Â Â Â Â Â Â let powerUpStar = Star()
Anywhere inside the
GameScene didMovefunction, add the Star as a child of theGameSceneand position it:Â Â Â Â Â Â Â // Place the star out of the way for now: Â Â Â Â Â Â self.addChild(powerUpStar) Â Â Â Â Â Â powerUpStar.position = CGPoint(x: -2000, y: -2000)
Inside the
GameScene didSimulatePhysicsfunction, update your new encounter code as follows (new code in bold):Â Â Â Â Â Â Â // Check to see if we should set a new encounter: Â Â Â Â Â Â if player.position.x > nextEncounterSpawnPosition { Â Â Â Â Â Â encounterManager.placeNextEncounter( Â Â Â Â Â Â currentXPos: nextEncounterSpawnPosition) Â Â Â Â Â Â nextEncounterSpawnPosition += 1200 ...
