Method Skip

engine/Poseidon/World/Entities/Vehicles/Tracks.cpp:316–343

}

void TrackDraw::Skip(const Frame& pos)
{
    if (!_offsets)
    {
        return;
    }
    Point3 left = pos.PositionModelToWorld(_lOffset);
    Point3 right = pos.PositionModelToWorld(_rOffset);
    float eps = GLOB_ENGINE->ZShadowEpsilon();
    // RoadSurfaceY, not SurfaceY: roads float a few cm above the terrain mesh,
    // so a terrain-height track sits below the road and is depth-rejected.
    left[1] = GLOB_LAND->RoadSurfaceY(left[0], left[2]) + eps;
    right[1] = GLOB_LAND->RoadSurfaceY(right[0], right[2]) + eps;
    const float vMap = 2.0;
    for (int level = 0; level < TrackLODLevels; level++)
    {
        TrackLODLevel& lod = _lods[level];
        if (lod._initDone)
        {
            float distL2 = lod._lastL.Distance2(left);
            float distR2 = lod._lastR.Distance2(right);
            float v = lod._lastV + sqrt((distL2 + distR2) * 0.5) * vMap;
            lod._lastV = v;
            lod._lastL = left;
            lod._lastR = right;
        }
    }
}

void UnregisterVBShape(LODShapeWithShadow* shape);