2D Polygon Collider editor with Gizmos

+ Added Handles class

GlitchyEditor/src/Handles.bf

@@ -0,0 +1,40 @@
+using GlitchyEngine.Math;
+using ImGuizmo;
+using System;
+
+namespace GlitchyEditor;
+
+static class Handles
+{
+	private static float3? _snap;
+
+	public static Matrix View {get; private set;}
+	public static Matrix Projection {get; private set;}
+
+	private static bool _usedGizmo;
+
+	public static bool UsedGizmo => _usedGizmo;
+
+	public static void SetViewProjection(Matrix view, Matrix projection)
+	{
+		View = view;
+		Projection = projection;
+	}
+
+	public static void SetSnap(float3? snap)
+	{
+		_snap = snap;
+	}
+
+	public static bool ShowGizmo(ref Matrix transform, ImGuizmo.OPERATION gizmoType, bool globalGizmo = true, int32? id = null)
+	{
+		if (id != null)
+			ImGuizmo.SetID(id.Value);
+#unwarn
+		bool result = ImGuizmo.Manipulate((.)&View, (.)&Projection, gizmoType, globalGizmo ? .WORLD : .LOCAL, (.)&transform, null, _snap.HasValue ? (.)&_snap : null);
+
+		_usedGizmo |= ImGuizmo.IsUsing();
+
+		return result;
+	}
+}