#version 130

in vec3 ex_Color;
in float x;

void main(void)
{
    vec3 shadowed = ex_Color;
    float r = min(1, shadowed[0]);
    float g = min(1, shadowed[1]);
    float b = min(1, shadowed[2]);
    float dx = abs(floor(gl_FragCoord[0]) - 480) / 480.0;
    if (int(floor(gl_FragCoord[0] / 3) + floor(gl_FragCoord[1]) / 3) % 2 == 0)
    {
        gl_FragColor = vec4(vec3(r, g, b) * 1.3, 1);
    }
    else
    {
        gl_FragColor = vec4(vec3(r, g, b) * 0.6, 1);
    }
    gl_FragColor[0] = int(gl_FragColor[0] * 4) / 4.0;
    gl_FragColor[1] = int(gl_FragColor[1] * 4) / 4.0;
    gl_FragColor[2] = int(gl_FragColor[2] * 4) / 4.0;
    gl_FragColor *= x;
}