This allows you to use double jump to start flying. Pressing the fly keybinding enables survival fly.To enable fly you must set a keybinding for it. By default, there is no keybinding set for fly.Here is an example of what you could do:.For instructions on how to configure them, see the configuration page.My fullbright is a little bit better than others….Therefore, you can use it to find torches or other light sources in caves. Cavefinder does not automatically turn on fullbright like XRay does.You can also create additional XRay profiles, and then assign a keybinding to them in-game if you want further customizability.In the user interface, you can choose which blocks get rendered, and which don’t.0.3.3 How to install Xray Mod with Optifine for Vanilla Launcher.0.3.2 How to install Xray Mod with Optifine for Vanilla Launcher.0.3.1 How to install Xray Mod only for Vanilla Launcher.