Displacement will not collide, the only thing you can do is offset your displacement so that all of the displacement is happenin below the collission whoch will always be the landscape mesh. This goes for displacement on any mesh/m,aterial.
Displacement will not collide, the only thing you can do is offset your displacement so that all of the displacement is happenin below the collission whoch will always be the landscape mesh. This goes for displacement on any mesh/m,aterial.