Maybe i forget change comments lines of LensFlares
i think other question
fixed background
for day sun, blue sky(texture gradient)
world.renderScene(fb);
fb.blit(this.background, 0, 0, 0, 0, 512, 256, width, height, -1, false);
world.draw(fb);
LensF.render(fb);
LensF.update(fb, world);
fb.display();