幻影分身：一团影子里找到你自己

fx-shadowclone

local ShadowClone = {}
local CONST = { KEY = "ShadowClone", CLONE_COUNT = 2, ALPHA = 0.55 }

function ShadowClone.Cast(myID)
    ShadowClone._clones = {}
    for i = 1, CONST.CLONE_COUNT do
        local a = i / CONST.CLONE_COUNT * math.pi * 2 + 0.5
        table.insert(ShadowClone._clones, {
            offsetX = math.cos(a) * 100,
            offsetY = math.sin(a) * 40,
            alpha = CONST.ALPHA
        })
    end
    SL:SendLuaNetMsg(CONST.MSG_ID, 0, 0, 0,
        SL:JsonEncode({ key = CONST.KEY, op = 1, actorID = myID }))
end

function ShadowClone:Render(mainActor)
    local mx = SL:GetValue("ACTOR_POSITION_X", mainActor)
    local my = SL:GetValue("ACTOR_POSITION_Y", mainActor)
    for _, c in ipairs(self._clones) do
        DrawSemiTransparent(mx + c.offsetX, my + c.offsetY, c.alpha)
    end
end

return ShadowClone