void OcclusionDebugRenderer::addQuad(const Umbra::Vector3& x0y0, const Umbra::Vector3& x0y1, const Umbra::Vector3& x1y1, const Umbra::Vector3& x1y0, const Umbra::Vector4& color)
{
    OgreWorldPtr ogreWorld = renderer_->GetActiveOgreWorld();
    if(!ogreWorld.get())
        return;

    // Nothing to do here
    float3 x0y0_, x0y1_, x1y0_, x1y1_;
    x0y0_ = Vector3ToFloat3(x0y0);
    x0y1_ = Vector3ToFloat3(x0y1);
    x1y0_ = Vector3ToFloat3(x1y0);
    x1y1_ = Vector3ToFloat3(x1y1);

    ogreWorld->DebugDrawLine(x0y0_, x1y0_, Color::Yellow);
    ogreWorld->DebugDrawLine(x1y0_, x1y1_, Color::Yellow);
    ogreWorld->DebugDrawLine(x1y1_, x0y1_, Color::Yellow);
    ogreWorld->DebugDrawLine(x0y1_, x0y0_, Color::Yellow);
}
void OcclusionDebugRenderer::addLine(const Umbra::Vector3& start, const Umbra::Vector3& end, const Umbra::Vector4& color)
{
    OgreWorldPtr ogreWorld = renderer_->GetActiveOgreWorld();
    if(!ogreWorld.get())
        return;

    float3 start_ = Vector3ToFloat3(start);
    float3 end_ = Vector3ToFloat3(end);

    ogreWorld->DebugDrawLine(start_, end_, Color::Yellow);
}