public Boolean IsBoxVisibleToPoint(Vector3 startPoint, OrientedBoundingBox blockingBox)
{
Boolean isBlocked = Corners.All(t => blockingBox.LineInBox(startPoint, t));
if (!blockingBox.LineInBox(startPoint, blockingBox.Origin))
{
isBlocked = false;
}
return(isBlocked);
}
public Boolean Collides(OrientedBoundingBox box)
{
BoundingSphere boxSphere = box.ExtentSphere;
switch (ExtentSphere.Contains(ref boxSphere))
{
case ContainmentType.Disjoint:
{
return(false);
}
}
for (Int32 i = 0; i < 4; i++)
{
if (LineInBox(box.Corners[i], box.Corners[i + 4]) || box.LineInBox(Corners[i], Corners[i + 4]))
{
return(true);
}
}
for (Int32 i = 0; i < 8; i++)
{
Int32 pIndex;
switch (i)
{
case 3:
{
pIndex = 0;
break;
}
case 7:
{
pIndex = 4;
break;
}
default:
{
pIndex = i + 1;
break;
}
}
if (LineInBox(box.Corners[i], box.Corners[pIndex]) || box.LineInBox(Corners[i], Corners[pIndex]))
{
return(true);
}
}
return(false);
}
