material {
    name : DepthVisualizer,
    shadingModel : unlit,
}

fragment {
    void material(inout MaterialInputs material) {
        prepareMaterial(material);
        const float n = 0.1;
        const float f = 35.0;
        float linearZ = (2.0 * n) / (f + n - gl_FragCoord.z * (f - n));
        material.baseColor.rgb = float3(linearZ);
    }
}