Use eye_height property for brush raytracing

worldedit_brush/init.lua

@@ -51,7 +51,8 @@ local brush_on_use = function(itemstack, placer)
 		return false
 	end
 
-	local raybegin = vector.add(placer:get_pos(), {x=0, y=2, z=0}) -- player head
+	local raybegin = vector.add(placer:get_pos(),
+		{x=0, y=placer:get_properties().eye_height, z=0})
 	local rayend = vector.add(raybegin, vector.multiply(placer:get_look_dir(), BRUSH_MAX_DIST))
 	local ray = minetest.raycast(raybegin, rayend, false, true)
 	local pointed_thing = ray:next()