fix: added missing types for new primitives

Engine.Systems/Tween/EngineExtensions/TweenLine3DExtensions.cs

@@ -0,0 +1,31 @@
+using Engine.Core;
+
+namespace Engine.Systems.Tween;
+
+public static class TweenLine3DExtensions
+{
+    private static readonly BoxedPool<Line3D> boxedLine3DPool = new(2);
+
+    public static ITween TweenLine3D(this Line3D initialLine3D, ITweenManager tweenManager, float duration, Line3D targetLine3D, System.Action<Line3D> setMethod)
+    {
+        Boxed<Line3D> boxedInitial = boxedLine3DPool.Get(initialLine3D);
+        Boxed<Line3D> boxedTarget = boxedLine3DPool.Get(targetLine3D);
+
+        ITween tween = tweenManager.StartTween(duration,
+            t => setMethod?.Invoke(
+                new Line3D(
+                    boxedInitial.Value.From.Lerp(boxedTarget.Value.From, t),
+                    boxedInitial.Value.To.Lerp(boxedTarget.Value.To, t)
+                )
+            )
+        );
+
+        tween.OnComplete(() =>
+        {
+            boxedLine3DPool.Return(boxedInitial);
+            boxedLine3DPool.Return(boxedTarget);
+        });
+
+        return tween;
+    }
+}