add animation

Pendu/Assets.xcassets/confetti.imageset/Contents.json

+{
+  "images" : [
+    {
+      "filename" : "pngegg.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Pendu/GameViewController.swift

@@ -229,6 +229,34 @@ class GameViewController: UIViewController {
             V_Button.isHidden = true
             B_Button.isHidden = true
             N_Button.isHidden = true
+            
+            let emmitterLayer = CAEmitterLayer()
+            emmitterLayer.emitterPosition = CGPoint(x: view.bounds.width / 2, y: view.bounds.height / 2)
+            emmitterLayer.emitterShape = .point
+            emmitterLayer.emitterMode = .outline
+            emmitterLayer.emitterSize = CGSize(width: 5, height: 0)
+            
+            let confetti = CAEmitterCell()
+            confetti.birthRate = 3
+            confetti.lifetime = 50
+            confetti.velocity = 100
+            confetti.velocityRange = 50
+            confetti.emissionLongitude = .pi
+            confetti.spin = 2
+            confetti.spinRange = 8
+            confetti.scaleRange = 0.5
+            confetti.contents = UIImage(named: "confetti.png")?.cgImage
+            
+            emmitterLayer.emitterCells = [confetti]
+            
+            view.layer.addSublayer(emmitterLayer)
+            
+            emmitterLayer.beginTime = CACurrentMediaTime()
+            
+            DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
+                emmitterLayer.removeFromSuperlayer()
+            }
+            
         }
     }