public Window(int width, int height) throws LWJGLException {
		// EBhE
		Display.setDisplayMode(new DisplayMode(width, height));
		Display.setTitle("Hello world!");
		Display.setResizable(true);
		Display.create();

		// OpneGL̐ݒ
		// JO
		//glEnable(GL_CULL_FACE);
		//glCullFace(GL_BACK);
		// zobt@
		glEnable(GL_DEPTH_TEST);
		// ߊ֘A
		// (̏ݒ)
		//glEnable(GL_BLEND);
		//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		// (S߂ݒ)
		glAlphaFunc(GL_GREATER, 0.5f);

		// wiF
		glClearColor(0.2f, 0.7f, 1.0f, 1.0f);
	}