java - Libgdx dim screen with glClearColor -


i want draw background, overlay 0.5f transparent black color dim , render on top of pause menu.

i have tried:

    gdx.gl.glclearcolor(0f, 0f, 0f, 0.5f);     gdx.gl.glclear(gl20.gl_color_buffer_bit);

and nothing working. couldn't find solution online. other option overlay black sprite, don't want that. there anyway paint on gl?

well, draw transparent rectangle 

    gdx.gl.glenable(gl20.gl_blend);     gdx.gl.glblendfunc(gl20.gl_src_alpha, gl20.gl_one_minus_src_alpha);     shaperenderer.begin(shaperenderer.shapetype.filled);     shaperenderer.setcolor(new color(0, 0, 0, 0.5f));     shaperenderer.rect(0, 0, screenwidth, screenheight);     shaperenderer.end();     gdx.gl.gldisable(gl20.gl_blend);

hope helps


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