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GL_POINTS clearing out other GL_POINTS ?

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Hi, I''m using GL_POINTS for my ParticleEngine (for now); When I draw them with glBlendFunc (GL_SRC_ALPHA, GL_ONE) It seems like the points are semi transparent textures that hide other points behind them. Look at this Screenshot; I tried some BlendFunc''s but I have''nt found any useful. Note (GL_POINT_SMOOTH is on); thanks; StryX;

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