Setup libgdx in Clojure

gistfile1.clj

; from https://github.com/SilverCrowBlog/Clojure-Libgdx

; project.clj
(defproject testing "0.1.0-SNAPSHOT"
  :description "FIXME: write description"
  :url "http://example.com/FIXME"
  :license {:name "Eclipse Public License"
            :url "http://www.eclipse.org/legal/epl-v10.html"}
  :dependencies [[org.clojure/clojure "1.5.1"]
                 [com.badlogic.gdx/gdx "0.9.9-SNAPSHOT"]
                 [com.badlogic.gdx/gdx-backend-lwjgl "0.9.9-SNAPSHOT"]]
  :repositories [["libgdx" "http://libgdx.badlogicgames.com/nightlies/maven/"]]
  :main testing.core)

; testing/core.clj
(ns testing.core
  (:gen-class)
  (:import (com.badlogic.gdx ApplicationListener Gdx)
           (com.badlogic.gdx.backends.lwjgl LwjglApplication)))

(def app
  (proxy [ApplicationListener] []
    (resize [w h])
    (create [])
    (render [])
    (pause [])
    (resume [])
    (dispose [])))

(defn -main []
  (let [title "My Game"
        width 800
        height 480
        opengl-es? false]
    (LwjglApplication. app title width height opengl-es?)))