public void getSearchDirection(Vec2 out_Renamed)
{
switch (m_count)
{
case 1:
out_Renamed.set_Renamed(m_v1.w).negateLocal();
return;
case 2:
e12.set_Renamed(m_v2.w).subLocal(m_v1.w);
// use out for a temp variable real quick
out_Renamed.set_Renamed(m_v1.w).negateLocal();
float sgn = Vec2.cross(e12, out_Renamed);
if (sgn > 0f)
{
// Origin is left of e12.
Vec2.crossToOutUnsafe(1f, e12, out_Renamed);
return;
}
else
{
// Origin is right of e12.
Vec2.crossToOutUnsafe(e12, 1f, out_Renamed);
return;
}
goto default;
default:
Debug.Assert(false);
out_Renamed.setZero();
return;
}
}
/// <summary> this returns pooled objects. don't keep or modify them
///
/// </summary>
/// <returns>
/// </returns>
public virtual void getClosestPoint(Vec2 out_Renamed)
{
switch (m_count)
{
case 0:
Debug.Assert(false);
out_Renamed.setZero();
return;
case 1:
out_Renamed.set_Renamed(m_v1.w);
return;
case 2:
case22.set_Renamed(m_v2.w).mulLocal(m_v2.a);
case2.set_Renamed(m_v1.w).mulLocal(m_v1.a).addLocal(case22);
out_Renamed.set_Renamed(case2);
return;
case 3:
out_Renamed.setZero();
return;
default:
Debug.Assert(false);
out_Renamed.setZero();
return;
}
}