fix: avoid delay when resuming game

and unpause when starting new game
literalpie · Mar 5, 2022 · 123c91c · 123c91c
1 parent c8a0d1d
commit 123c91c
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/Wonky Blocks/Support/GameState.swift b/Wonky Blocks/Support/GameState.swift
@@ -92,6 +92,7 @@ class WonkyGameState: ObservableObject, JoystickState {
     score = 0
     lineCount = 0
     level = 1
+    paused = false
     gameOver = false
     newHighScore = false
     activeTet = nextTet

diff --git a/Wonky Blocks/UI/GameView.swift b/Wonky Blocks/UI/GameView.swift
@@ -22,7 +22,11 @@ struct GameView: UIViewControllerRepresentable {
     _ uiViewController: WonkyGameViewController,
     context: Context
   ) {
-    uiViewController.spriteKitView.isPaused = gameState.paused
+    // pausing the scene causes a delay when unpausing. We'll stop the phyiscs instead to avoid this.
+    // unfortunately, this means there will be consistent CPU usage while the app is running.
+    // I tried pausing only when the window is inactive,
+    //but macOS only counts as inactive when you minimize - and spritekit already pauses when this happens.
+    uiViewController.spriteKitView.scene?.physicsWorld.speed = gameState.paused ? 0.0 : 1.0
   }
 
   static func dismantleUIViewController(