//通用waves线条动画
$(function() {
		function a() {
			var a = $(window).width(),
				b = (768 - a) / 768 + 1,
				c = 1;
			fmhPara = $(".feature-mi").height() < 641 || $(".feature-ai").height() < 641 || $(".feature-bi").height() < 641 ? 0 : 1, 768 > a ? ($(".mi-headline-bg").css("height", $(".feature-mi").height() + 28 * b * c + "px"), $(".ai-headline-bg").css("height", $(".feature-ai").height() + 28 * b * c + "px"), $(".bi-headline-bg").css("height", $(".feature-bi").height() + 28 * b * c + "px"), $(".ee-headline-bg").css("height", $(".feature-ee").height() + parseInt($(".feature-ee").css("padding-top")) + 20 * b + "px")) : ($(".mi-headline-bg").removeAttr("style"), $(".ai-headline-bg").removeAttr("style"), $(".bi-headline-bg").removeAttr("style"), $(".ee-headline-bg").removeAttr("style"))
		}
		setTimeout(function() {
			a()
		}, 100), $(window).resize(function() {
			a()
		})
	}),
	function(a, b) {
		"use strict";
		"function" == typeof define && "object" == typeof define.amd ? define([], function() {
			return b(a)
		}) : a.SineWaves = b(a)
	}(this, function() {
		"use strict";

		function a(a) {
			if(this.options = i.defaults(this.options, a), this.el = this.options.el, delete this.options.el, !this.el) return false; //throw "No Canvas Selected";刘明排错注销
			if(this.ctx = this.el.getContext("2d"), this.waves = this.options.waves, delete this.options.waves, !this.waves || !this.waves.length) throw "No waves specified";
			this.dpr = window.devicePixelRatio || 1, this.updateDimensions(), window.addEventListener("resize", this.updateDimensions.bind(this)), this.setupUserFunctions(), this.easeFn = i.getFn(n, this.options.ease, "linear"), this.rotation = i.degreesToRadians(this.options.rotate), i.isType(this.options.running, "boolean") && (this.running = this.options.running), this.setupWaveFns(), this.loop()
		}

		function b(a, b) {
			return i.isType(a, "number") ? a : (a = a.toString(), a.indexOf("%") > -1 ? (a = parseFloat(a), a > 1 && (a /= 100), b * a) : a.indexOf("px") > -1 ? parseInt(a, 10) : void 0)
		}
		Function.prototype.bind || (Function.prototype.bind = function(a) {
			if("function" != typeof this) throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
			var b = Array.prototype.slice.call(arguments, 1),
				c = this,
				d = function() {},
				e = function() {
					return c.apply(this instanceof d && a ? this : a, b.concat(Array.prototype.slice.call(arguments)))
				};
			return d.prototype = this.prototype, e.prototype = new d, e
		});
		for(var c = ["ms", "moz", "webkit", "o"], d = 0; d < c.length && !window.requestAnimationFrame; ++d) window.requestAnimationFrame = window[c[d] + "RequestAnimationFrame"], window.cancelAnimationFrame = window[c[d] + "CancelAnimationFrame"] || window[c[d] + "CancelRequestAnimationFrame"];
		if(!window.requestAnimationFrame) {
			var e = 0;
			window.requestAnimationFrame = function(a) {
				var b = (new Date).getTime(),
					c = Math.max(0, 16 - (b - e)),
					d = window.setTimeout(function() {
						a(b + c)
					}, c);
				return e = b + c, d
			}
		}
		window.cancelAnimationFrame || (window.cancelAnimationFrame = function(a) {
			clearTimeout(a)
		});
		var f = Math.PI / 180,
			//原来的值为g=2 * Math.PI 用于修正sineinout右边的正弦值
			g = 2.6 * Math.PI,
			h = Math.PI / 2,
			i = {},
			j = i.isType = function(a, b) {
				var c = {}.toString.call(a).toLowerCase();
				return c === "[object " + b.toLowerCase() + "]"
			},
			k = i.isFunction = function(a) {
				return j(a, "function")
			},
			l = i.isString = function(a) {
				return j(a, "string")
			},
			m = (i.isNumber = function(a) {
				return j(a, "number")
			}, i.shallowClone = function(a) {
				var b = {};
				for(var c in a) a.hasOwnProperty(c) && (b[c] = a[c]);
				return b
			}),
			n = (i.defaults = function(a, b) {
				j(b, "object") || (b = {});
				var c = m(a);
				for(var d in b) b.hasOwnProperty(d) && (c[d] = b[d]);
				return c
			}, i.degreesToRadians = function(a) {
				if(!j(a, "number")) throw new TypeError("Degrees is not a number");
				return a * f
			}, i.getFn = function(a, b, c) {
				return k(b) ? b : l(b) && k(a[b.toLowerCase()]) ? a[b.toLowerCase()] : a[c]
			}, {});
		n.linear = function(a, b) {
			return b
		}, n.sinein = function(a, b) {
			return b * (Math.sin(a * Math.PI - h) + 1) * .5
		}, n.sineout = function(a, b) {
			return b * (Math.sin(a * Math.PI + h) + 1) * .5
		}, n.sineinout = function(a, b) {
			return b * (Math.sin(a * g - h) + 1) * .5
		};
		var o = {};
		o.sine = function(a) {
			return Math.sin(a)
		}, o.sin = o.sine, o.sign = function(a) {
			return a = +a, 0 === a || isNaN(a) ? a : a > 0 ? 1 : -1
		}, o.square = function(a) {
			return o.sign(Math.sin(a * g))
		}, o.sawtooth = function(a) {
			return 2 * (a - Math.floor(a + .5))
		}, o.triangle = function(a) {
			return Math.abs(o.sawtooth(a))
		}, a.prototype.options = {
			speed: 10,
			rotate: 0,
			ease: "Linear",
			wavesWidth: "95%"
		}, a.prototype.setupWaveFns = function() {
			for(var a = -1, b = this.waves.length; ++a < b;) this.waves[a].waveFn = i.getFn(o, this.waves[a].type, "sine")
		}, a.prototype.setupUserFunctions = function() {
			i.isFunction(this.options.resizeEvent) && (this.options.resizeEvent.call(this), window.addEventListener("resize", this.options.resizeEvent.bind(this))), i.isFunction(this.options.initialize) && this.options.initialize.call(this)
		};
		var p = {
			timeModifier: 1,
			amplitude: 50,
			wavelength: 50,
			segmentLength: 10,
			lineWidth: 1,
			strokeStyle: "rgba(255, 255, 255, 0.2)",
			type: "Sine"
		};
		return a.prototype.getDimension = function(a) {
			return i.isNumber(this.options[a]) ? this.options[a] : i.isFunction(this.options[a]) ? this.options[a].call(this, this.el) : "width" === a ? this.el.clientWidth : "height" === a ? this.el.clientHeight : void 0
		}, a.prototype.updateDimensions = function() {
			var a = this.getDimension("width"),
				c = this.getDimension("height");
			this.width = this.el.width = a * this.dpr, this.height = this.el.height = c * this.dpr, this.el.style.width = a + "px", this.el.style.height = c + "px", this.waveWidth = b(this.options.wavesWidth, this.width), this.waveLeft = (this.width - this.waveWidth) / 2, this.yAxis = this.height / 2
		}, a.prototype.clear = function() {
			this.ctx.clearRect(0, 0, this.width, this.height)
		}, a.prototype.time = 0, a.prototype.update = function(a) {
			this.time = this.time - .007, "undefined" == typeof a && (a = this.time);
			var b = -1,
				c = this.waves.length;
			for(this.clear(), this.ctx.save(), this.rotation > 0 && (this.ctx.translate(this.width / 2, this.height / 2), this.ctx.rotate(this.rotation), this.ctx.translate(-this.width / 2, -this.height / 2)); ++b < c;) {
				var d = this.waves[b].timeModifier || 1;
				this.drawWave(a * d, this.waves[b])
			}
			this.ctx.restore(), b = void 0, c = void 0
		}, a.prototype.getPoint = function(a, b, c) {
			var d = a * this.options.speed + (-this.yAxis + b) / c.wavelength,
				e = c.waveFn.call(this, d, o),
				f = this.easeFn.call(this, b / this.waveWidth, c.amplitude);
			return d = b + this.waveLeft, e = f * e + this.yAxis, {
				x: d,
				y: e
			}
		}, a.prototype.drawWave = function(a, b) {
			b = i.defaults(p, b), this.ctx.lineWidth = b.lineWidth * this.dpr, this.ctx.strokeStyle = b.strokeStyle, this.ctx.lineCap = "butt", this.ctx.lineJoin = "round", this.ctx.beginPath(), this.ctx.moveTo(0, this.yAxis), this.ctx.lineTo(this.waveLeft, this.yAxis);
			var c, d;
			for(c = 0; c < this.waveWidth; c += b.segmentLength) d = this.getPoint(a, c, b), this.ctx.lineTo(d.x, d.y), d = void 0;
			c = void 0, b = void 0, this.ctx.lineTo(this.width, this.yAxis), this.ctx.stroke()
		}, a.prototype.running = !0, a.prototype.loop = function() {
			this.running === !0 && this.update(), window.requestAnimationFrame(this.loop.bind(this))
		}, a.prototype.Waves = o, a.prototype.Ease = n, a
	}), $(function() {
		var a = new SineWaves({
				el: document.getElementById("waves"),
				//设置正弦波速度 刘明注释
				speed: 4,
				width: function() {
					var a = $(document).width();
					//原来的值, 设置正弦波的宽度, 现在设置为与元素同宽
					//return 768 > a ? 3 * $("#waves").parent().width() : 1.4 * $("#waves").parent().width()
					return 1.4 * $("#waves").parent().width()
				},
				height: function() {
					return $("#waves").parent().height()
				},
				//原来的值, 可以正弦波宽度, 居中, 两边超出部分隐藏
				//wavesWidth: "100%",
				wavesWidth: "130%", //150
				ease: "SineInOut",
				waves: [{
					timeModifier: .5,
					lineWidth: 2,
					amplitude: 150,
					wavelength: 200,
					segmentLength: 1
				}, {
					timeModifier: .5,
					lineWidth: 2,
					amplitude: 100,
					wavelength: 150,
					segmentLength: 1
				}, {
					timeModifier: .5,
					lineWidth: 2,
					amplitude: 50,
					wavelength: 80,
					segmentLength: 1
				}],
				initialize: function() {},
				resizeEvent: function() {
					var a = this.ctx.createLinearGradient(0, 0, this.width, 0);
					//原来的值, 设置线条渐变透明度, 以及开始激变的位置
					//a.addColorStop(0, "rgba(255, 255, 255, 0)"), a.addColorStop(.5, "rgba(255, 255, 255, 0.2)"), a.addColorStop(1, "rgba(255, 255, 255, 0)");
					a.addColorStop(0, "rgba(255, 255, 255, 0)"), a.addColorStop(.1, "rgba(255, 255, 255, 0.2)"), a.addColorStop(1, "rgba(255, 255, 255, 0)");
					for(var b = -1, c = this.waves.length; ++b < c;) this.waves[b].strokeStyle = a;
					b = void 0, c = void 0, a = void 0
				}
			}),
			b = $("#waves"),
			c = $(document).scrollTop(),
			d = $(document).scrollTop() + $(window).height(),
			e = b.offset().top + b.height(),
			f = b.offset().top;
		(c > e || f > d) && (a.running = !1, a.update()), $(window).bind("scroll", function() {
			c = $(document).scrollTop(), d = $(document).scrollTop() + $(window).height(), e = b.offset().top + b.height(), f = b.offset().top, c > e || f > d ? (a.running = !1, a.update()) : (a.running = !0, a.update())
		})
	});