lighttroupe/luz

class ActorEffectPixelColorReduce < ActorEffect
    title                "Pixel Color Reduce"
    description ""

    categories :color

    setting 'segments', :integer, :range => 1..1000, :default => 100..1000, :shader => true

    def render
        code = "
            output_rgba *= texture2D(texture0, texture_st);

            output_rgba.r = floor(output_rgba.r * float(segments)); // / segments; 
            output_rgba.g = floor(output_rgba.g * float(segments)); // / segments; 
            output_rgba.b = floor(output_rgba.b * float(segments)); // / segments;
            
            output_rgba.rgb /= float(segments); 
        "

        with_fragment_shader_snippet(code, self) {
            yield
        }
    end
end