https://docs.unity3d.com/es/2019.4/ScriptReference/FrustumPlanes-top.html
FrustumPlanes-top - Unity Scripting API
Position in view space of the top side of the near projection plane.
topunityscriptingapi
https://docs.unity3d.com/es/2019.4/ScriptReference/FrustumPlanes-left.html
FrustumPlanes-left - Unity Scripting API
Position in view space of the left side of the near projection plane.
left unityscriptingapi