MetalEngine demo

Tests/CallUITest/Sources/ViewController.swift

@@ -1,19 +1,47 @@
 import Foundation
 import UIKit
-import CallScreen
+import MetalEngine
+import Display
+import DustEffect
 
-public final class ViewController: UIViewController {    
+public final class ViewController: UIViewController {
+    private var dustLayer: DustEffectLayer?
+    
     override public func viewDidLoad() {
         super.viewDidLoad()
         
-        let privateCallScreen = PrivateCallScreen(frame: CGRect())
-        self.view.addSubview(privateCallScreen)
+        self.view.layer.addSublayer(MetalEngine.shared.rootLayer)
+        MetalEngine.shared.rootLayer.frame = CGRect(origin: CGPoint(x: 0.0, y: -101.0), size: CGSize(width: 100.0, height: 100.0))
         
-        privateCallScreen.frame = self.view.bounds
-        privateCallScreen.update(size: self.view.bounds.size, insets: UIEdgeInsets(top: 44.0, left: 0.0, bottom: 0.0, right: 0.0))
+        self.reset()
         
-        let context = MetalContext.shared
-        self.view.layer.addSublayer(context.rootLayer)
-        context.rootLayer.frame = CGRect(origin: CGPoint(x: 0.0, y: -101.0), size: CGSize(width: 100.0, height: 100.0))
+        self.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.imageTap(_:))))
+        
+        self.view.backgroundColor = .white
+        
+        SharedDisplayLinkDriver.shared.updateForegroundState(true)
+    }
+    
+    func reset() {
+        self.dustLayer?.removeFromSuperlayer()
+        
+        let dustLayer = DustEffectLayer()
+        self.dustLayer = dustLayer
+        dustLayer.frame = self.view.bounds
+        
+        self.view.layer.addSublayer(dustLayer)
+    }
+    
+    @objc private func imageTap(_ recognizer: UITapGestureRecognizer) {
+        if case .ended = recognizer.state {
+            guard let dustLayer else {
+                return
+            }
+            
+            let image = UIImage(named: "test")!
+            let itemSize = CGSize(width: 200.0, height: 200.0)
+            let itemFrame = CGRect(origin: CGPoint(x: floor((self.view.bounds.width - itemSize.width) * 0.5), y: floor((self.view.bounds.height - itemSize.height) * 0.5)), size: itemSize)
+            dustLayer.addItem(frame: itemFrame, image: image)
+        }
     }
 }