anxiao_web/pages/newIndex/lunbo/shutter.js

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2024-07-24 09:22:32 +08:00
/**
* Coder: EzrealY
* Time: 2017.07.31
* Mail: 1005526074@qq.com
* 效果原作者: https://oss.so/article/71
*/
;(function ($, window, document, undefined) {
var Shutter = function (elem, options) {
this.defaults = {
shutterW: 1200,
shutterH: 500,
isAutoPlay: false,
playInterval: 3000,
curDisplay: 0,
fullPage: false
};
this.opts = $.extend({}, this.defaults, options);
this.inital(elem);
};
Shutter.prototype = {
play: function () {
var self = this;
if (this.opts.isAutoPlay) {
clearInterval(this.playTime);
this.playTime = setInterval(function () {
self.$nextBtn.click();
}, this.opts.playInterval);
}
},
moveSwitch: function (randomNum, command, index) {
switch (randomNum) {
case 0:
this.gridWhole(index, 0);
break;
case 1:
this.gridWhole(index, 1);
break;
case 2:
this.gridWhole(index, 2);
break;
case 3:
this.gridWhole(index, 3);
break;
case 4:
this.gridTop(index, 0);
break;
case 5:
this.gridTop(index, 1);
break;
case 6:
this.gridTop(index, 2);
break;
case 7:
this.gridLeft(index, 0);
break;
case 8:
this.gridLeft(index, 1);
break;
case 9:
this.gridLeft(index, 2);
break;
case 10:
this.gridOpacity(index);
break;
case 11:
this.gridAccordion(index);
break;
case 12:
this.gridLittle(index);
break;
case 13:
this.gridSwitch(index);
break;
default:
this.gridTop(index, 0);
break;
}
},
toggleMove: function (command, index) {
if (!command) {
if (this.curDisplay === index) {
return;
} else if (this.curDisplay === 0 && index === this.shutterItem_len - 1
|| index < this.curDisplay) {
command = 'prev';
} else {
command = 'next';
}
}
if (!index) {
if (command === 'prev') {
index = this.curDisplay - 1;
if (this.curDisplay === 0) {
index = this.shutterItem_len - 1;
}
} else {
index = this.curDisplay + 1;
if (this.curDisplay === this.shutterItem_len - 1) {
index = 0;
}
}
}
this.$shutterDesc.animate({bottom: -36});
var random = function (min, max) {
return Math.floor(Math.random() * (max + 1) - min);
};
this.moveSwitch(random(0, 13), command, index);
this.shutterTitle = this.$shutterItem.eq(index).attr('data-shutter-title');
},
initalShutter: function () {
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $nearlyElem = this.$shutterItem.not($curElem);
$curElem.css('zIndex', 20);
$nearlyElem.each(function (i) {
$(this).css('zIndex', ++ i);
});
this.$shutter.css({width: this.opts.shutterW, height: this.opts.shutterH});
if (this.opts.fullPage) {
this.$shutter.css({
width: $(window).width(),
height: $(window).height(),
margin: 0,
borderRadius: 0,
border: 'none'
});
}
},
inital: function (elem) {
var self = this;
this.$shutter = elem;
this.$shutterItem = this.$shutter.find('.shutter-img a');
this.$prevBtn = this.$shutter.find('.shutter-btn .prev');
this.$nextBtn = this.$shutter.find('.shutter-btn .next');
this.$shutterNav = this.$shutter.find('.shutter-nav li');
this.$shutterDesc = this.$shutter.find('.shutter-desc');
this.shutterItem_len = this.$shutterItem.length;
this.curDisplay = this.opts.curDisplay > this.shutterItem_len - 1 ? this.opts.curDisplay = this.shutterItem_len - 1 : this.opts.curDisplay;
this.b_stop = true;
this.shutterTitle = '';
this.playTime = null;
this.initalShutter();
this.shutterW = this.$shutter.width();
this.shutterH = this.$shutter.height();
this.$prevBtn.bind('click', function () {
if (self.b_stop) {
self.b_stop = false;
self.toggleMove('prev');
}
});
this.$nextBtn.bind('click', function () {
if (self.b_stop) {
self.b_stop = false;
self.toggleMove('next');
self.$shutterDesc.animate({bottom: -36});
}
});
if (this.opts.fullPage) {
$(window).resize(function () {
setTimeout(function () {
self.$shutter.css({width: $(this).width(), height: $(this).height()});
self.shutterW = self.$shutter.width();
self.shutterH = self.$shutter.height();
}, 30);
});
}
this.play();
this.$shutter.hover(function () {
clearInterval(self.playTime);
}, function () {
self.play();
});
},
// 图片切换方法
recovery: function (target, cur, index, backup, interval) {
var self = this;
setTimeout(function () {
target.css('zIndex', 20);
cur.css('zIndex', self.curDisplay).html(backup);
self.curDisplay = index;
self.$shutterDesc.animate({bottom: 0}).find('p').text(self.shutterTitle);
self.b_stop = true;
}, interval);
},
gridWhole: function (index, showNum) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var $createElem = $('<div class="created"></div>');
var movingVal = 0;
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
$createElem.html(backup).css({
position: 'absolute',
zIndex: 20,
left: 0,
top: 0,
overflow: 'hidden',
width: this.shutterW,
height: this.shutterH
});
$curElem.append($createElem);
if (showNum === 0) {
movingVal = this.shutterW;
$createElem.velocity({left: movingVal}, {duration: 1000});
} else if (showNum === 1) {
movingVal = -this.shutterW;
$createElem.velocity({left: movingVal}, {duration: 1000});
} else if (showNum === 2) {
movingVal = this.shutterH;
$createElem.velocity({top: movingVal}, {duration: 1000});
} else if (showNum === 3) {
movingVal = -this.shutterH;
$createElem.velocity({top: movingVal}, {duration: 1000});
}
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH
});
this.recovery($targetElem, $curElem, index, backup, 1200);
},
gridTop: function (index, showNum) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var speed = 0;
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
for (var i = 0; i < 12; i ++) {
var $createElem = $('<div class="created"></div>');
$createElem.html(backup).css({
position: 'absolute',
zIndex: 20,
left: this.shutterW / 12 * i,
top: 0,
overflow: 'hidden',
width: this.shutterW / 12,
height: this.shutterH
});
$curElem.append($createElem);
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH,
marginLeft: this.shutterW / -12 * i
});
}
if (showNum === 0) {
var movingVal = 0;
$curElem.find('.created').each(function (i) {
if (i % 2 === 0) {
movingVal = self.shutterH;
} else {
movingVal = -self.shutterH;
}
$(this).velocity({top: movingVal}, {duration: 1000});
});
} else if (showNum === 1) {
$curElem.find('.created').each(function (i) {
speed = 80 * i;
$(this).velocity({top: $(this).height()}, {duration: 120 + speed});
});
} else if (showNum === 2) {
$curElem.find('.created').each(function (i) {
speed = 80 * i;
$(this).velocity({top: -$(this).height()}, {duration: 120 + speed});
});
}
this.recovery($targetElem, $curElem, index, backup, 1000);
},
gridLeft: function (index, showNum) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var speed = 0;
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
for (var i = 0; i < 12; i ++) {
var $createElem = $('<div class="created"></div>');
$createElem.html(backup).css({
position: 'absolute',
zIndex: 20,
left: 0,
top: this.shutterH / 12 * i,
overflow: 'hidden',
width: this.shutterW,
height: this.shutterH / 12
});
$curElem.append($createElem);
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH,
marginTop: this.shutterH / -12 * i
});
}
if (showNum === 0) {
var movingVal = 0;
$curElem.find('.created').each(function (i) {
if (i % 2 === 0) {
movingVal = self.shutterW;
} else {
movingVal = -self.shutterW;
}
$(this).velocity({left: movingVal}, {duration: 1000});
});
} else if (showNum === 1) {
$curElem.find('.created').each(function (i) {
speed = 80 * i;
$(this).velocity({left: $(this).width()}, {duration: 120 + speed});
});
} else if (showNum === 2) {
$curElem.find('.created').each(function (i) {
speed = 80 * i;
$(this).velocity({left: -$(this).width()}, {duration: 120 + speed});
});
}
this.recovery($targetElem, $curElem, index, backup, 1000);
},
gridOpacity: function (index) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var $createElem = $('<div class="created"></div>');
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
$createElem.html(backup).css({
position: 'absolute',
zIndex: 20,
left: 0,
top: 0,
overflow: 'hidden',
width: this.shutterW,
height: this.shutterH,
opacity: 1
});
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH
});
$curElem.append($createElem);
$createElem.velocity({opacity: 0}, {duration: 1000});
this.recovery($targetElem, $curElem, index, backup, 1000);
},
gridAccordion: function (index) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var iNow = 0;
var speed = 0;
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
for (var i = 0; i < 12; i ++) {
var $createElem = $('<div class="created"></div>');
$createElem.html(backup).css({
position: 'absolute',
zIndex: 20,
left: this.shutterW / 12 * i,
top: 0,
overflow: 'hidden',
width: this.shutterW / 12,
height: this.shutterH,
opacity: 1
});
$curElem.append($createElem);
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH,
marginLeft: this.shutterW / -12 * i
});
}
$curElem.find('.created').each(function (i) {
speed = i * 80;
$(this).velocity({opacity: 0}, {duration: 320 + speed});
});
this.recovery($targetElem, $curElem, index, backup, 1200);
},
gridLittle: function (index) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
var coordinate = null;
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
for (var i = 0; i < 24; i ++) {
var $createElem = $('<div class="created"></div>');
$createElem.html(backup).css({
width: this.shutterW / 6,
height: this.shutterH / 4,
left: (this.shutterW / 6) * (i % 6),
top: (this.shutterH / 4) * Math.floor(i / 6)
});
$curElem.append($createElem);
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH,
marginLeft: -(this.shutterW / 6) * (i % 6),
marginTop: -(this.shutterH / 4) * Math.floor(i / 6)
});
}
coordinate = getXY($curElem.find('.created'), 4, 6);
tab(coordinate, 0, 0, function () {
var left = parseInt(this.style.left);
var top = parseInt(this.style.top);
$(this).velocity({
left: left + 100,
top: top + 100,
opacity: 0
});
}, 100, +1, +1);
this.recovery($targetElem, $curElem, index, backup, 1200);
},
gridSwitch: function (index) {
var self = this;
var $curElem = this.$shutterItem.eq(this.curDisplay);
var $targetElem = this.$shutterItem.eq(index);
var backup = $curElem.html();
$targetElem.css('zIndex', 19);
$curElem.find('img').fadeOut();
for (var i = 0; i < 20; i ++) {
var $createElem = $('<div class="created"></div>');
$createElem.html(backup).css({
width: this.shutterW / 5,
height: this.shutterH / 4,
left: (this.shutterW / 5) * (i % 5),
top: (this.shutterH / 4) * Math.floor(i / 5)
});
$curElem.append($createElem);
$createElem.find('img').css({
display: 'block',
width: this.shutterW,
height: this.shutterH,
marginLeft: -(this.shutterW / 5) * (i % 5),
marginTop: -(this.shutterH / 4) * Math.floor(i / 5)
});
}
$curElem.find('.created').each(function (i) {
if (i % 2 === 0) {
$(this).find('img').velocity({
marginLeft: $(this).width()
}, {duration: 500});
}
});
setTimeout(function () {
$curElem.find('.created').each(function (i) {
if (i % 1 === 0) {
$(this).find('img').velocity({
marginLeft: $(this).width()
}, {duration: 500});
}
});
}, 600);
this.recovery($targetElem, $curElem, index, backup, 1200);
},
constructor: Shutter
};
$.fn.shutter = function (options) {
this.each(function () {
var shutter = new Shutter($(this), options);
});
};
})(jQuery, window, document);
function tab(arr, x, y, fn, delay, speedX, speedY) {
if (!arr[y] || !arr[y][x]) {
return;
}
if (fn) {
fn.call(arr[y][x]);
clearTimeout(arr[y][x].timer);
arr[y][x].timer = setTimeout(function () {
tab(arr, x, y + speedY, fn, delay, speedX, speedY);
tab(arr, x + speedX, y, fn, delay, speedX, speedY);
}, delay);
}
};
function getXY(objs, rows, cols) {
var arr1 = [];
for (var i = 0; i < rows; i ++) {
var arr2 = [];
for (var j = 0; j < cols; j ++) {
objs[i * cols + j].xIndex = j;
objs[i * cols + j].yIndex = i;
arr2.push(objs[i * cols + j]);
}
arr1.push(arr2);
}
return arr1;
};