Dispenser/States/FullState.swift
/* |
Copyright (C) 2016 Apple Inc. All Rights Reserved. |
See LICENSE.txt for this sample’s licensing information |
Abstract: |
A state for use in a dispenser's state machine. This state represents when the dispenser is full. It turns on the dispenser's indicator light. |
*/ |
import SpriteKit |
import GameplayKit |
class FullState: DispenserState { |
// MARK: Initialization |
required init(game: GameScene) { |
super.init(game: game, associatedNodeName: "FullState") |
} |
// MARK: GKState overrides |
override func didEnter(from previousState: GKState?) { |
super.didEnter(from: previousState) |
// Turn on the indicator light with a green color. |
let greenColor = SKColor.green |
changeIndicatorLightToColor(greenColor) |
} |
override func willExit(to nextState: GKState) { |
super.willExit(to: nextState) |
// Turn off the indicator light. |
let blackColor = SKColor.black |
changeIndicatorLightToColor(blackColor) |
} |
override func isValidNextState(_ stateClass: AnyClass) -> Bool { |
// This state can only transition to the serve state. |
return stateClass is ServeState.Type |
} |
} |
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