$.exists = function (selector) {
  return $(selector).length > 0;
};
$(function () {
  startOffset = isMobile() ? "100%" : "100%";
  gsap.registerPlugin(ScrollToPlugin);
  smoothScroll();
  triggerScrollObject();



  
});

function getScrollTop() {
  return $(window).scrollTop();
}
function isMobile() {
  var UserAgent = navigator.userAgent;
  if (
    UserAgent.match(
      /iPhone|iPad|iPad|Android|Windows CE|BlackBerry|Symbian|Windows Phone|webOS|Opera Mini|Opera Mobi|POLARIS|IEMobile|lgtelecom|nokia|SonyEricsson/i
    ) != null ||
    UserAgent.match(/LG|SAMSUNG|Samsung/) != null
  ) {
    return true;
  } else {
    // Ipad Safari Browser
    if (detectIpad()) {
      return true;
    } else {
      return false;
    }
  }
}

function detectIpad() {
  var userAgent = navigator.userAgent || navigator.vendor || window.opera;
  // Lying iOS13 iPad
  if (userAgent.match(/Macintosh/i) !== null && getWindowWidth() < 1025) {
    // need to distinguish between Macbook and iPad
    var canvas = document.createElement("canvas");
    if (canvas !== null) {
      var context = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
      if (context) {
        var info = context.getExtension("WEBGL_debug_renderer_info");
        if (info) {
          var renderer = context.getParameter(info.UNMASKED_RENDERER_WEBGL);
          if (renderer.indexOf("Apple") !== -1) return true;
        }
      }
    }
  }
  return false;
}

function detectOS() {
  var agent = navigator.userAgent.toLowerCase();
  var osCheck;

  if (agent.indexOf("android") > -1) {
    return "android";
  } else if (
    agent.indexOf("iphone") > -1 ||
    agent.indexOf("ipad") > -1 ||
    agent.indexOf("ipod") > -1 ||
    agent.indexOf("macintosh") > -1
  ) {
    return "ios";
  } else {
    return "other";
  }

  return osCheck;
}
function moveScrollTop(top, speed) {
  $("html, body").animate({ scrollTop: top }, speed, "easeInOutExpo");
}

/* addClass Active */
function addClassName(object, className) {
  $(object).addClass(className);
}
function removeClassName(object, className) {
  $(object).removeClass(className);
}
function getParameter(strParamName) {
  var arrResult = null;
  if (strParamName) {
    arrResult = location.search.match(new RegExp("[&?]" + strParamName + "=(.*?)(&|$)"));
  }
  return arrResult && arrResult[1] ? arrResult[1] : null;
}
function toAnchorParameter(anchor) {
  if (getParameter(anchor)) {
    var anchorConTop = $("#" + getParameter(anchor) + "").offset().top;
    var headerHeight = $("#header").height();
    moveScrollTop(anchorConTop - headerHeight, 1000);
  }
}
/* ************************
 * smooth Scroll
 * gsap.min.js, ScrollToPlugin.min.js
 ************************ */
// Check Passive Support

function smoothScroll_passive() {
  var supportsPassive = false;
  try {
    document.addEventListener("test", null, {
      get passive() {
        supportsPassive = true;
      },
    });
  } catch (e) {}
  return supportsPassive;
}

// Start smooth Scroll
function smoothScroll() {
  var $window = $(window);
  if (smoothScroll_passive()) {
    window.addEventListener("wheel", smoothScroll_scrolling, {
      passive: false,
    });
  } else {
    $window.on("mousewheel DOMMouseScroll", smoothScroll_scrolling);
  }
  $("html").addClass("smooth-srolling");
}

// Scroll Event
function smoothScroll_scrolling(event) {
  event.preventDefault();

  var $window = $(window);
  var scrollTime = 0.5;
  // var scrollDistance = $window.height() / 2.5;
  var delta = 0;
  if (smoothScroll_passive()) {
    var scrollDistance = $window.height() / 3;
    delta = event.wheelDelta / 120 || -event.originalEvent.detail / 3;
  } else {
    var scrollDistance = $window.height() / 2.5;
    if (typeof event.originalEvent.deltaY != "undefined") {
      delta = -event.originalEvent.deltaY / 120;
    } else {
      delta = event.originalEvent.wheelDelta / 120 || -event.originalEvent.detail / 3;
    }
  }

  var scrollTop = $window.scrollTop();
  var finalScroll = scrollTop - parseInt(delta * scrollDistance);

  winScrolling = gsap.to($window, scrollTime, {
    scrollTo: { y: finalScroll, autoKill: true },
    ease: Power1.easeOut,
    overwrite: 5,
  });
}

// Destroy smooth Scroll
function smoothScroll_destory(event) {
  if (smoothScroll_passive()) {
    window.removeEventListener("wheel", smoothScroll_scrolling);
  } else {
    $(window).off("mousewheel DOMMouseScroll", smoothScroll_scrolling);
  }
  gsap.killTweensOf($(window), { scrollTo: true });
}

function toFit(cb, _ref) {
  var _ref$dismissCondition = _ref.dismissCondition,
    dismissCondition =
      _ref$dismissCondition === void 0
        ? function () {
            return false;
          }
        : _ref$dismissCondition,
    _ref$triggerCondition = _ref.triggerCondition,
    triggerCondition =
      _ref$triggerCondition === void 0
        ? function () {
            return true;
          }
        : _ref$triggerCondition;

  if (!cb) {
    throw Error("Invalid required arguments");
  }

  var tick = false;
  return function () {
    //  console.log('scroll call')
    if (tick) {
      return;
    }

    tick = true;
    return requestAnimationFrame(function () {
      if (dismissCondition()) {
        tick = false;
        return;
      }

      if (triggerCondition()) {
        //console.log('real call')
        tick = false;
        return cb();
      }
    });
  };
}
function checkOffset(object) {
  return $(object).offset().top;
}
function getScrollBarWidth() {
  if ($(document).height() > $(window).height()) {
    $("body").append(
      '<div id="fakescrollbar" style="width:50px;height:50px;overflow:hidden;position:absolute;top:-200px;left:-200px;"></div>'
    );
    fakeScrollBar = $("#fakescrollbar");
    fakeScrollBar.append('<div style="height:100px;">&nbsp;</div>');
    var w1 = fakeScrollBar.find("div").innerWidth();
    fakeScrollBar.css("overflow-y", "scroll");
    var w2 = $("#fakescrollbar").find("div").html("html is required to init new width.").innerWidth();
    fakeScrollBar.remove();
    return w1 - w2;
  }
  return 0;
}

function getWindowWidth() {
  return $(window).outerWidth() + getScrollBarWidth();
}
function getWindowHeight() {
  return $(window).height();
}

function triggerScrollObject() {
  $("[data-scroll]").each(function () {
    var $scrollElem = $(this);
    var scrollElemOffset = $(this).data("scroll-offset") ? $(this).data("scroll-offset") : startOffset;
    $scrollElem.waypoint(
      function (direction) {
        if (direction === "down") {
          $scrollElem.addClass("animated");
        } else if (direction === "up") {
          //$scrollElem.removeClass('animated');
        }
      },
      {
        triggerOnce: false,
        offset: scrollElemOffset,
      }
    );
  });
}