camera.setFrustum(1.0f, 1000.0f, -0.55f, 0.55f, 0.4125f, -0.4125f);
camera.setFrustum(1.0f, 1000.0f, -0.50f, 0.50f, 0.50f, -0.50f);
    private void initCamera() {        camera = new LWJGLCamera(PBUFFER_WIDTH, PBUFFER_HEIGHT, this);        camera.setFrustum(1.0f, 1000.0f, -0.55f, 0.55f, 0.4125f, -0.4125f);        Vector3f loc = new Vector3f(0.0f, 0.0f, 0.0f);        Vector3f left = new Vector3f(-1.0f, 0.0f, 0.0f);        Vector3f up = new Vector3f(0.0f, 1.0f, 0.0f);        Vector3f dir = new Vector3f(0.0f, 0f, -1.0f);        camera.setFrame(loc, left, up, dir);    }