material {
    name : LinearDepth,
    shadingModel : unlit,
    requires : [ position, uv0 ],
    shadingModel : unlit,
    doubleSided : false,
    blending: opaque,
    depthWrite : true,
    depthCulling : true,
}

fragment {
    void material(inout MaterialInputs material) {
        prepareMaterial(material);
        material.baseColor = vec4(gl_FragCoord.z, 0.0, 0.0, 1.0);
    }
}