Possible flicker fix

gistfile1.js

function setRenderMode(mode) {
	var modes = VRClient.renderModes;
	if (mode == modes.mono) {
		console.log('Mono mode');
		controls = new THREE.VRControls( camera );
		effect = renderer;
		cursor.setMode('mono');
		cursor.hide();

	} else if (mode == modes.stereo) {
		console.log('Stereo mode');
		// controls = new THREE.DeviceOrientationControls( camera );
		controls = null;
		effect = new THREE.StereoEffect( renderer );
		//cursor.setMode('centered');
		cursor.disable();

	} else if (mode == modes.vr) {
		console.log('VR mode');
		controls = new THREE.VRControls( camera );
		effect = new THREE.VREffect( renderer );
		cursor.setMode('centered');
		cursor.show();
	}

	effect.setSize( window.innerWidth, window.innerHeight );
}
// handle render mode changes from VR client and set appropriate renderer and control for mode.
VRClient.onRenderModeChange = setRenderMode;