restructured project

ParticleSimulation/ParticleNode.cs

@@ -0,0 +1,38 @@
+using Godot;
+
+// ReSharper disable once CheckNamespace
+// ReSharper disable once ClassNeverInstantiated.Global
+public class ParticleNode : Node2D
+{
+    private Label _labelNode;
+    private Sprite _spriteNode;
+    public Vector2 CurrentSimulationPosition = new Vector2();
+
+    public Vector2 LastSimulationPosition;
+    public bool WasTeleportedLast = true;
+    public int SimulationId;
+
+    public override void _Ready()
+    {
+        _spriteNode = GetNode<Sprite>("Sprite");
+        _labelNode = GetNode<Label>("Label");
+    }
+
+    public override void _Process(float delta)
+    {
+        Position = WasTeleportedLast == false
+            ? LastSimulationPosition.LinearInterpolate(CurrentSimulationPosition,
+                GetParent<Node2D>().GetParent<ParticleSimulationScene>().PhysicsInterpolationFraction)
+            : CurrentSimulationPosition;
+    }
+
+    public void SetLabelText(string text)
+    {
+        _labelNode.Text = text;
+    }
+
+    public void SetColor(float hue, float saturation, float opacity)
+    {
+        _spriteNode.Modulate = Color.FromHsv(hue, saturation, 1, opacity);
+    }
+}