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book--hacking-with-swift
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Setup logic for showing penguins and switching b/w good and evil

This commit is contained in:
CypherPoet 2019-01-28 03:05:29 -05:00
parent 21741dab37
commit c7f2c37ca0
1 changed files with 38 additions and 3 deletions
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41
14-whack-a-penguin/Whack a Penguin/Whack a Penguin/WhackSlot.swift
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@ -10,7 +10,26 @@ import SpriteKit
import UIKit
class WhackSlot: SKNode {
enum NodeName: String {
case goodPenguin = "good-penguin"
case evilPenguin = "evil-penguin"
}
var penguinNode: SKSpriteNode!
var isShowingPenguin: Bool = false
var isWhacked: Bool = false
var penguinTextureName: String {
return isPenguinGood ? "penguinGood" : "penguinEvil"
}
var isPenguinGood = false {
didSet {
penguinNode.texture = SKTexture(imageNamed: penguinTextureName)
penguinNode.name = isPenguinGood ? NodeName.goodPenguin.rawValue : NodeName.evilPenguin.rawValue
}
}
func setup(at position: CGPoint) {
self.position = position
@ -22,6 +41,24 @@ class WhackSlot: SKNode {
}
func show(for duration: Double) {
guard !isShowingPenguin else { return }
isPenguinGood = Double.random(in: 0...1) >= 0.3333
showPenguin(for: duration)
}
private func showPenguin(for duration: Double) {
let showAction = SKAction.moveBy(x: 0, y: 80, duration: 0.05)
penguinNode.run(showAction)
isShowingPenguin = true
isWhacked = false
}
private func setupPenguin(at position: CGPoint) {
let cropNode = SKCropNode()
penguinNode = SKSpriteNode(imageNamed: "penguinGood")
@ -31,12 +68,10 @@ class WhackSlot: SKNode {
cropNode.maskNode = SKSpriteNode(imageNamed: "whackMask")
penguinNode.position = CGPoint(x: 0, y: -90)
penguinNode.name = "penguin"
penguinNode.name = NodeName.goodPenguin.rawValue
cropNode.addChild(penguinNode)
self.addChild(cropNode)
}
}