Function DrawRectangle

engine/Poseidon/Game/Editor.cpp:1663–1747

}

static void DrawRectangle(float xs, float zs, float xe, float ze)
{
    PackedColor color(Color(0, 1, 0, 0.3));

    Vector3 ss(xs, GLandscape->SurfaceYAboveWater(xs, zs) + 0.5, zs);
    Vector3 es(xe, GLandscape->SurfaceYAboveWater(xe, zs) + 0.5, zs);
    Vector3 se(xs, GLandscape->SurfaceYAboveWater(xs, ze) + 0.5, ze);
    Vector3 ee(xe, GLandscape->SurfaceYAboveWater(xe, ze) + 0.5, ze);

    static Ref<ObjectColored> obj;
    if (!obj)
    {
        Ref<LODShapeWithShadow> lShape = new LODShapeWithShadow();
        Shape* shape = new Shape;
        lShape->AddShape(shape, 0);

        // initalize lod level
        shape->ReallocTable(6);
        for (int i = 0; i < 6; i++)
        {
            shape->SetPos(i) = VZero;
            shape->SetClip(i, ClipAll);
            shape->SetNorm(i) = VUp;
        }
        shape->SetUV(0, 0, 0);
        shape->SetUV(1, 1, 0);
        shape->SetUV(2, 0, 1);
        shape->SetUV(3, 1, 0);
        shape->SetUV(4, 1, 1);
        shape->SetUV(5, 0, 1);

        // precalculate hints for possible optimizations
        shape->CalculateHints();
        lShape->CalculateHints();

        // change faces parameters
        Poly face;
        face.Init();
        face.SetN(3);
        face.SetSpecial(ClampU | ClampV);
        face.SetTexture(nullptr);
        face.Set(0, 0);
        face.Set(1, 1);
        face.Set(2, 2);
        shape->AddFace(face);
        face.Set(0, 3);
        face.Set(1, 4);
        face.Set(2, 5);
        shape->AddFace(face);

        shape->OrSpecial(IsAlpha | IsAlphaFog | BestMipmap);
        lShape->OrSpecial(IsColored | IsOnSurface);

        obj = new ObjectColored(lShape, -1);
        obj->SetOrientation(M3Identity);
        obj->SetConstantColor(color);
    }