publicstaticGUIContenttessellationShapeFactorText=newGUIContent("Shape factor","Strength of Phong tessellation shape (lerp factor)");
publicstaticGUIContenttessellationBackFaceCullEpsilonText=newGUIContent("Triangle culling Epsilon","If -1.0 back face culling is enabled for tessellation, higher number mean more aggressive culling and better performance");
publicstaticGUIContenttessellationObjectScaleText=newGUIContent("Enable object scale","Tessellation displacement will take into account the object scale - Only work with uniform positive scale");
publicstaticGUIContenttessellationTilingScaleText=newGUIContent("Enable tiling scale","Tessellation displacement will take into account the tiling scale - Only work with uniform positive scale");
// Return the maximun amplitude use by all enabled heightmap
// use for tessellation culling and per pixel displacement
// TODO: For vertex displacement this should take into account the modification in ApplyTessellationTileScale but it should be conservative here (as long as tiling is not negative)