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ground from heightFieldImpostor


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By creating a field with CreateGround, and then serializing it, you get a mesh  and not groundMesh. This is what I do for my terrainEditor.

And to get the height of a dots on this mesh, I do this:

var getHeightMeshAtCoordinates = function(mesh, x, z) {
		var maxHeight = 256;
		var ray = new BABYLON.Ray(new BABYLON.Vector3(x, maxHeight, z), new BABYLON.Vector3(0, -1, 0), 2*maxHeight);
		var res = mesh.intersects(ray, true);
		return res.pickedPoint.y;


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