populate_collision_data = function()
	for _,def in pairs(Definitions) do
		assert(def.w)
		assert(def.h)
		if def.pos == nil then def.pos = {} end
		if def.hs == nil then def.hs = {} end
		def.hs.x = def.w/2
		def.hs.y = def.h/2 + 30
		def.pos.x = def.x + def.hs.x
		def.pos.y = def.y + def.hs.y
	end
end

	for _,def in pairs(Definitions) do
		assert(def.w)
		assert(def.h)
		if def.pos == nil then def.pos = {} end
		if def.hs == nil then def.hs = {} end
		def.hs.x = def.w/2
		def.hs.y = def.h/2 + 30
		def.pos.x = def.x + def.hs.x
		def.pos.y = def.y + def.hs.y
		if def == target then
			def.hs.x = def.hs.x + 50
			def.hs.y = def.hs.y + math.max(30, math.min(def.h/3, 200))
		end
	end

	populate_collision_data()
	-- give the target a little more buffer
	target.hs.x = target.hs.x + 50
	target.hs.y = target.hs.y + math.max(30, math.min(target.h/3, 200))

				A()

				A1(Cursor_node.key)
				populate_collision_data()
				move_others(Cursor_node)
				A1(Cursor_node.key)