local rem=table.remove
local assert,resume,status=assert,coroutine.resume,coroutine.status
local tasks={}

local TASK={}
function TASK.getCount()
    return #tasks
end
local trigFrame=0
function TASK.update(dt)
    trigFrame=trigFrame+dt*60
    while trigFrame>=1 do
        for i=#tasks,1,-1 do
            local T=tasks[i]
            if status(T.thread)=='dead'then
                rem(tasks,i)
            else
                assert(resume(T.thread))
            end
        end
        trigFrame=trigFrame-1
    end
end
function TASK.new(code,...)
    local thread=coroutine.create(code)
    assert(resume(thread,...))
    if status(thread)~='dead'then
        tasks[#tasks+1]={
            thread=thread,
            code=code,
            args={...},
        }
    end
end
function TASK.removeTask_code(code)
    for i=#tasks,1,-1 do
        if tasks[i].code==code then
            rem(tasks,i)
        end
    end
end
function TASK.removeTask_iterate(func,...)
    for i=#tasks,1,-1 do
        if func(tasks[i],...)then
            rem(tasks,i)
        end
    end
end
function TASK.clear()
    local i=#tasks
    while i>0 do
        tasks[i]=nil
        i=i-1
    end
end
return TASK