myCamera.setPaint(NengoStyle.COLOR_BACKGROUND);
/*
* Attach handlers
*/
PZoomEventHandler zoomHandler = new PZoomEventHandler();
zoomHandler.setMinDragStartDistance(20);
zoomHandler.setMinScale(MIN_ZOOM_SCALE);
zoomHandler.setMaxScale(MAX_ZOOM_SCALE);
myCamera.addInputEventListener(zoomHandler);
myCamera.addInputEventListener(new KeyboardFocusHandler());