Function DiagBBox

engine/Poseidon/World/Scene/ObjectIntersect.cpp:69–108

}

static void DiagBBox(const Vector3* minMax, const Frame& pos, PackedColor color)
{
    LODShapeWithShadow* shape = GScene->Preloaded(SphereModel);

    for (int lr = 0; lr < 2; lr++)
    {
        for (int ud = 0; ud < 2; ud++)
        {
            for (int fb = 0; fb < 2; fb++)
            {
                Vector3 wCorner = MinMaxCorner(minMax, lr, ud, fb);
                Ref<Object> obj = new ObjectColored(shape, -1);
                obj->SetPosition(pos.PositionModelToWorld(wCorner));
                obj->SetScale(0.1);
                obj->SetConstantColor(color);
                GLandscape->ShowObject(obj);
            }
        }
    }

    // draw 12 lines
    static const int lines[12][2][3] = {
        {{0, 0, 0}, {0, 0, 1}}, // diff in Z
        {{0, 1, 0}, {0, 1, 1}}, {{1, 0, 0}, {1, 0, 1}}, {{1, 1, 0}, {1, 1, 1}},

        {{0, 0, 0}, {0, 1, 0}}, // diff in Y
        {{0, 0, 1}, {0, 1, 1}}, {{1, 0, 0}, {1, 1, 0}}, {{1, 0, 1}, {1, 1, 1}},

        {{0, 0, 0}, {1, 0, 0}}, // diff in X
        {{0, 0, 1}, {1, 0, 1}}, {{0, 1, 0}, {1, 1, 0}}, {{0, 1, 1}, {1, 1, 1}},
    };
    for (int l = 0; l < 12; l++)
    {
        // get from
        Vector3 from = MinMaxCorner(minMax, lines[l][0][0], lines[l][0][1], lines[l][0][2]);
        Vector3 to = MinMaxCorner(minMax, lines[l][1][0], lines[l][1][1], lines[l][1][2]);
        Ref<Object> obj = DrawDiagLine(pos.PositionModelToWorld(from), pos.PositionModelToWorld(to), color);
        GLandscape->ShowObject(obj);
    }
}

static bool IntersectBBox(Vector3* isect, const Vector3 tMinMax[2], const Vector3 wMinMax[2], const Matrix4& withToThis)
{