Frustum::VisType Frustum::IsBoxVisible (const Vector3& min, const Vector3& max)
{
bool full = true;
Vector3 c,f;
float dc, df;
for(int a=0;a<planes.size();a++)
{
BoxPlaneVerts (min, max, planes[a].GetVector(), c, f);
dc = planes[a].Dist (&c);
df = planes[a].Dist (&f);
if(dc < 0.0f || df < 0.0f) full=false;
if(dc < 0.0f && df < 0.0f) return Outside;
}
return full ? Inside : Partial;
}
Frustum::VisType Frustum::IsBoxVisible (const Vector3& min, const Vector3& max)
{
bool full = true;
Vector3 c,f;
float dc, df;
std::vector<Plane>::iterator p;
for(p=planes.begin(); p!=planes.end(); ++p)
{
BoxPlaneVerts (min, max, p->GetVector(), c, f);
dc = p->Dist (&c);
df = p->Dist (&f);
if(dc < 0.0f || df < 0.0f) full=false;
if(dc < 0.0f && df < 0.0f) return Outside;
}
return full ? Inside : Partial;
}
