feat: added new yields

Engine.Core/Systems/CoroutineYield.cs

@@ -1,10 +0,0 @@
-using System;
-
-namespace Engine.Core;
-
-public class CoroutineYield(Func<bool> condition) : ICoroutineYield
-{
-    private readonly Func<bool> condition = condition;
-
-    public bool Yield() => condition.Invoke();
-}

Engine.Core/Systems/Yields/WaitUntilYield.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Engine.Core;
+
+public class WaitUntilYield(Func<bool> condition) : ICoroutineYield
+{
+    private readonly Func<bool> condition = condition;
+
+    public bool Yield() => !condition.Invoke();
+}

Engine.Systems/Tween/Yields/WaitForTweenCompleteCoroutineYield.cs

@@ -2,4 +2,4 @@ using Engine.Core;
 
 namespace Engine.Systems.Tween;
 
-public class WaitForTweenCompleteCoroutineYield(ITween tween) : CoroutineYield(() => tween.State == TweenState.Completed);
+public class WaitForTweenCompleteCoroutineYield(ITween tween) : WaitUntilYield(() => tween.State == TweenState.Completed);

Engine.Systems/Tween/Yields/WaitForTweenDoneCoroutineYield.cs

@@ -2,4 +2,4 @@ using Engine.Core;
 
 namespace Engine.Systems.Tween;
 
-public class WaitWhileTweenActiveCoroutineYield(ITween tween) : CoroutineYield(() => tween.State.CheckFlag(TweenState.Completed | TweenState.Cancelled));
+public class WaitWhileTweenActiveCoroutineYield(ITween tween) : WaitUntilYield(() => tween.State.CheckFlag(TweenState.Completed | TweenState.Cancelled));