Return value of {@link #intersectAab(float, float, float, float, float, float) intersectAab()} and its different overloads identifying the plane with equation <code>y=1</code> when using the identity frustum.
See Implementation
Return value of {@link #intersectAab(float, float, float, float, float, float) intersectAab()} and its different overloads identifying the plane with equation <code>y=1</code> when using the identity frustum.