public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
this.glu = GLU.createGLU();
gl.glClearColor(0x00 / 255f, 0x7d / 255f, 0xdf / 255f, 0f);
gl.glClearDepthf(1.0f);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glDepthFunc(GL.GL_LEQUAL);
gl.glHint(GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
this.chunkRenderer.init(drawable, gl);