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func moveIntoFormation() {

    // Loop over each unit in our Squad.
    for (i, unit) in enumerate(self.units) {
    
        // Get the vector from the formation class for that position. 
        // Just a simple accessor to the array.
        let vector = self.formation!.getVectorAtPosition(i)
        
        // Make a CGPoint from that vector, and tell the unit to walk to it.

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import SpriteKit

class Formation {
    
    // The vectors for a 3x3 formation.
    var positions : Array<CGVector> = [
        CGVectorMake(0, 0),
        CGVectorMake(-64, 0),
        CGVectorMake(64, 0),
        CGVectorMake(-64, 64),

veeneck

import SpriteKit
import Foundation

class Squad : SKNode {
    
    // Handle on all units in the squad.
    var units : Array<CharacterNode> = []
    
    // Current formation technique
    var formation : Formation?

veeneck

init(category:Int) {
   super.init(texture: FlagSingleton.textures[category], color:SKColor.whiteColor(), size:FlagSingleton.textures[category].size())
}

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init(category:Int) {
   super.init(texture: FlagSingleton.textures[category])
}
    
init(texture:SKTexture, color:SKColor, size:CGSize) {
   super.init(texture:texture, color:color, size:size)
}

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for item : NSDictionary! in flagData {            
   let flagToPlace = Flag(category: item["Type"].integerValue)
}

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let path = NSBundle.mainBundle().bundlePath + "/FlagProgression.pList"
let pListData = NSDictionary(contentsOfFile:path)
let flagData = pListData[self.category.toRaw()] as NSArray
return flagData.objectAtIndex(self.currentLevel) as Dictionary<String, String>[]

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scene.enumerateChildNodesWithName("PurchaseMenu") {
    node, stop in
        node.removeFromParent()
}

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// How do you cast SKNode to Flag : SKNode in parameter definition?

scene.enumerateChildNodesWithName("flag") {
    node as Flag, stop in
        node.methodAvailableToFlagObject()
}

// I'm trying to avoid having to do this:

scene.enumerateChildNodesWithName("flag") {

veeneck

scene.enumerateChildNodesWithName("flag") {
    node, stop in
        let realNode = node as Flag
        realNode.hidePurchaseMenus()
}