update

render_splitscreen/Sources/lnx/SplitScreen.hx

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+package lnx;
+
+import iron.Scene;
+import iron.object.CameraObject;
+import leenkx.renderpath.RenderPathCreator;
+
+class SplitScreen extends iron.Trait {
+	public function new() {
+		super();
+
+		notifyOnInit(function() {
+
+			var drawMeshes = RenderPathCreator.drawMeshes;
+
+			// Single viewport size
+			var w = Std.int(iron.App.w() / 2);
+			var h = iron.App.h();
+
+			// Retrieve cameras
+			var cam1:CameraObject = cast Scene.active.getChild("Camera");
+			var cam2:CameraObject = cast Scene.active.getChild("Camera.001");
+			cam1.buildProjection(w / h);
+			cam2.buildProjection(w / h);
+
+			// Override draw method to draw split screen
+			RenderPathCreator.drawMeshes = function() {
+
+				var g = RenderPathCreator.path.currentG;
+
+				// Left viewport
+				RenderPathCreator.setTargetMeshes();
+				Scene.active.camera = cam1;
+				g.viewport(0, 0, w, h);
+				drawMeshes();
+
+				// Right viewport
+				RenderPathCreator.setTargetMeshes();
+				Scene.active.camera = cam2;
+				g.viewport(w, 0, w, h);
+				drawMeshes();
+			}
+		});
+	}
+}