Smiley Face Stickers

Sticker.swift

func addStickers (_ arrayComp: NSArray , baseViewC: MaplyBaseViewController) {

  // Pick up a smiley face image
  let startImage = UIImage(named: "Smiley_Face_Avatar_by_PixelTwist")
  var stickers = [MaplySticker]()

  // Add a sticker for each input point
  for object in arrayComp {
    let sticker = MaplySticker()
    let center = (object as! MaplyVectorObject).center()
    sticker.ll = center
    sticker.ur = MaplyCoordinate(x: center.x + 0.1, y: center.y+0.1)
    sticker.image = startImage
    stickers.append(sticker)
  }
  
  // Add all the stickers at once.  It'll draw faster
  baseViewC.addStickers(stickers, desc: [kMaplyFade: (1.0)])
}