SKMultiLineAttributedTextLabel/SKMultiLineAttributedTextLabel.swift at master · StarkLiew/SKMultiLineAttributedTextLabel · GitHub

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//
//  SKMultiLineAttributedLabel.swift
//
//
//  Created by StarkLiew on 23/1/17.
//  Copyright © 2017 StarkLiew. All rights reserved.
//

import SpriteKit


class SKMultiLineAttributedLabel: SKNode{

    public var text:String
    private var texts:[String] = []
    private var attibutedTexts:[SKLabelNode] = []
    public var spriteNode: SKSpriteNode


    init(text: String, width: CGFloat, height: CGFloat, color: UIColor){
          self.spriteNode = SKSpriteNode(color: color, size: CGSize(width: width, height: height))
          self.text = text
          self.texts = self.text.characters.split{$0 == " "}.map(String.init)


          self.spriteNode.anchorPoint = CGPoint(x: 0.5, y: 1)
          self.spriteNode.zPosition = 0
          super.init()
          self.addChild(self.spriteNode)
          self.makeLabel()

    }


    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    private func makeLabel(){


        for i in 0..<texts.count {


            let label = SKLabelNode(text: texts[i])
            label.color = UIColor.black
            label.fontSize = 60
            label.fontName = "Avenir-Heavy"
            label.fontColor = UIColor.white
            label.zPosition = 1
            label.horizontalAlignmentMode = SKLabelHorizontalAlignmentMode.left

            self.attibutedTexts.append(label)

        }


        let initialX = self.spriteNode.frame.minX + 20
        let initialY = self.spriteNode.frame.maxY - self.attibutedTexts[0].frame.height - 10
        var nextX = initialX
        var nextY = initialY
        var widths = CGFloat(0.0)


        for i in 0..<self.attibutedTexts.count{
            let item = self.attibutedTexts[i]

            widths = widths + item.frame.width

            if(widths > (self.spriteNode.frame.width/1.5)){
                nextX = initialX
                nextY = nextY - self.attibutedTexts[0].frame.height - 10
                widths = CGFloat(0.0)

            }


            let box = SKSpriteNode(color: UIColor.clear, size: CGSize(width: item.frame.size.width, height: item.frame.height))

            box.position = CGPoint(x: nextX, y: nextY)
            box.addChild(item)
            box.anchorPoint = CGPoint(x: 0.5, y: 0)

            box.name = "label" + String(i)


            self.spriteNode.addChild(box)
            nextX = nextX + item.frame.width + CGFloat(10)


        }


    }

    public func attributedText(index: Int) -> SKLabelNode{
        return self.spriteNode.childNode(withName: "label" + String(index))?.children[0] as! SKLabelNode
    }
}