Added GTWeen

GTweensGodot/GTweens/Source/TweenBehaviours/WaitTimeTween.cs

@@ -0,0 +1,53 @@
+using GTweens.Enums;
+
+namespace GTweens.TweenBehaviours
+{
+    public sealed class WaitTimeTweenBehaviour : TweenBehaviour
+    {
+        readonly float _durationSeconds;
+        
+        float _elapsedSeconds;
+        
+        public WaitTimeTweenBehaviour(float durationSeconds)
+        {
+            _durationSeconds = durationSeconds;
+        }
+
+        public override void Start(bool isCompletingInstantly)
+        {
+            _elapsedSeconds = 0f;
+        }
+
+        public override void Tick(float deltaTime)
+        {
+            _elapsedSeconds += deltaTime;
+
+            if (_elapsedSeconds >= _durationSeconds)
+            {
+                MarkFinished();
+            }
+        }
+
+        public override void Complete()
+        {
+            _elapsedSeconds = _durationSeconds;
+            MarkFinished();
+        }
+
+        public override void Reset(bool kill, ResetMode loopResetMode)
+        {
+            _elapsedSeconds = 0f;
+            MarkUnfinished();
+        }
+
+        public override float GetDuration()
+        {
+            return _durationSeconds;
+        }
+
+        public override float GetElapsed()
+        {
+            return _elapsedSeconds;
+        }
+    }
+}