Demo Finish

Scenes/ViewerCamera.cs

@@ -0,0 +1,24 @@
+using Godot;
+
+public partial class ViewerCamera : Camera2D
+{
+	private static readonly Vector2 ZoomMin = new(0.02001f, 0.02001f);
+
+	private static readonly Vector2 ZoomMax = new(4f, 4f);
+	public override void _Input(InputEvent @event)
+	{
+		if (@event is InputEventMouseButton eb)
+		{
+			if (eb.IsPressed())
+			{
+				if (eb.ButtonIndex == MouseButton.WheelDown)
+					if (Zoom.X > ZoomMin.X && Zoom.Y > ZoomMin.Y)
+						Zoom -= new Vector2(0.01f, 0.01f);
+				if(eb.ButtonIndex == MouseButton.WheelUp)
+					if (Zoom.X < ZoomMax.X && Zoom.Y < ZoomMax.Y)
+						Zoom += new Vector2(0.01f, 0.01f);
+			}
+		}
+		base._Input(@event);
+	}
+}