-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=63455 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Alternative ZigZag"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Delta", "Delta", "", 100); indicator.parameters:addBoolean("Extend", "Trend Continuation", "", true); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up Line Color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down Line Color", "", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width", "Indicator Line Width", "", 1, 1, 5); indicator.parameters:addInteger("style", "Indicator Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); end local Previous local Current; local Trend; local first; local Delta; local first; local source; local Up, Down; local Extend; function Prepare(onlyName) Up=instance.parameters.Up; Down=instance.parameters.Down; Extend=instance.parameters.Extend; Delta=instance.parameters.Delta; source = instance.source; first=source:first(); local name; name = profile:id() .. "(" .. instance.source:name() .. "," .. Delta .. ")"; instance:name(name); if onlyName then return ; end out = instance:addStream("out", core.Line, name, "out", Up, first); out:setWidth(instance.parameters.width); out:setStyle(instance.parameters.style); Previous=nil; Current=nil; end function Update(period) period= period-1; if period < first then return; end if Current== nil then Current=period; Previous=period; end if math.abs( (source[Current] - source[period]))> (Delta*source:pipSize()) then if not Extend then Previous=Current; else FindFractal(period); end Current=period; Draw(); end end function FindFractal(period) if source[Current] > source[Previous] and source[period] > source[Current]then return; elseif source[Current] < source[Previous] and source[period] < source[Current] then return else Previous=Current; end end function Draw() if Current==nil or Previous==nil then return; end if source[Current]> source[Previous]then Color=Up; else Color=Down; end core.drawLine(out, core.range(Previous, Current), source[Previous], Previous, source[Current], Current, Color); end