addhook("attack" , "attackshake")
function attackshake(id)
parse("shake "..id.." 3")
if (player(id,"health")<=30) then
parse("shake "..id.." 5")
end
end

addhook("move","_move")
addhook("attack","_attack")

t_walk={}

function _move(id,x,y,walk)
	t_walk[id]=walk
end

function _attack(id)
	if t_walk[id]=="0" then --not walking
	parse("shake "..id.." 3")
		if (player(id,"health")<=30) then
			parse("shake "..id.." 5")
		end
	end
end

function Millisecs()
	return os.clock() * 1000
end

LastMovement = {}

addhook("move","moves")
function moves(id,x,y,slow)
	if slow == 1 then
		LastMovement[id] = Millisecs()
	end
end

addhook("attack","attackHook")
function attackHook(id)
	if not LastMovement[id] or Millisecs() - LastMovement[id] <= 99 then
		if player(id,"health") <= 30 then
			parse("shake "..id.." 5")
		end
	end
end