自由拖拽弹性圆形菜单

PetitQ 导航菜单 2018-10-21 1.86K 0 0

这是一款基于 jquery ui 的可自由拖拽的弹性圆形菜单效果。该圆形菜单可以通过点击一个圆形按钮来弹出 4 个子菜单按钮。弹性效果由 anime.js 来制作，效果非常炫酷。

使用方法：

在页面中引入 jquery 和 jqueryui 文件，以及 anime.js 和需要的样式文件 style.css。

也想出现在这里？联系我们吧

<link rel="stylesheet" href="css/style.css">

<script src="path/to/jquery.min.js"></script>

<script src="path/to/jquery-ui.min.js"></script>

<script src="path/to/anime.js"></script>

HTML 结构：

圆形菜单的 HTML 结构如下：

```
<div class="center menu">
```
```
    <div id="myMenu"></div>
```
```
</div>
```

初始化插件：

在页面 DOM 元素加载完毕之后，通过下面的 js 代码来完成圆形菜单的拖拽功能，以及弹性效果。

```
var timeOut;
```
```
class Item {
```

    constructor(icon, backgroundColor) {

        this.$element = $(document.createElement("div"));

```
        this.icon = icon;
```
```
        this.$element.addClass("item");
```

        this.$element.css("background-color", backgroundColor);

        var i = document.createElement("i");

```
        $(i).addClass("fi-" + icon);
```
```
        this.$element.append(i);
```
```
        this.prev = null;
```
```
        this.next = null;
```
```
        this.isMoving = false;
```
```
        var element = this;
```

        this.$element.on("mousemove", function() {

```
            clearTimeout(timeOut);
```

            timeOut = setTimeout(function() {

                if (element.next && element.isMoving) {

                    element.next.moveTo(element);

```
                } 
```
```
            }, 10);
```
```
        });
```
```
    }
```
```
 
```
```
    moveTo(item) {
```
```
        anime({
```
```
            targets: this.$element[0],
```

            left: item.$element.css("left"),

            top: item.$element.css("top"),

```
            duration: 700,
```
```
            elasticity: 500
```
```
        });
```
```
        if (this.next) {
```
```
            this.next.moveTo(item);
```
```
        }
```
```
    }
```
```
 
```
```
    updatePosition() {    
```
```
        anime({
```
```
            targets: this.$element[0],
```

            left: this.prev.$element.css("left"),

            top: this.prev.$element.css("top"),

```
            duration: 200
```
```
        });
```
```
 
```
```
        if (this.next) {
```
```
            this.next.updatePosition();
```
```
        }
```
```
    }
```
```
}
```
```
 
```
```
class Menu {
```
```
    constructor(menu) {
```
```
        this.$element = $(menu);
```
```
        this.size = 0;
```
```
        this.first = null;
```
```
        this.last = null;
```
```
        this.timeOut = null;
```
```
        this.hasMoved = false;
```
```
        this.status = "closed";
```
```
    }
```
```
 
```
```
    add(item) {
```
```
        var menu = this;
```
```
        if (this.first == null) {
```
```
            this.first = item;
```
```
            this.last = item;
```

            this.first.$element.on("mouseup", function() {

                if (menu.first.isMoving) {

                    menu.first.isMoving = false;

```
                } else {
```
```
                    menu.click();
```
```
                }
```
```
            }); 
```
```
            item.$element.draggable(
```
```
                {
```
```
                    start: function() {
```
```
                        menu.close();
```

                        item.isMoving = true;

```
                    }  
```
```
                },
```
```
                {
```
```
                    drag: function() {
```

                        if (item.next) {

                            item.next.updatePosition();

```
                        }
```
```
                    }
```
```
                },
```
```
                {
```
```
                    stop: function() {
```

                        item.isMoving = false;

                        item.next.moveTo(item);

```
                    }
```
```
                }
```
```
            );
```
```
        } else {
```
```
            this.last.next = item;
```
```
            item.prev = this.last;
```
```
            this.last = item;
```
```
        }
```

        this.$element.after(item.$element);

```
 
```
```
 
```
```
    }
```
```
 
```
```
    open() {
```
```
        this.status = "open";
```
```
        var current = this.first.next;
```
```
        var iterator = 1;
```
```
        var head = this.first;
```

        var sens = head.$element.css("left") < head.$element.css("right") ? 1 : -1;

```
        while (current != null) {
```
```
            anime({
```

                targets: current.$element[0],

                left: parseInt(head.$element.css("left"), 10) + (sens * (iterator * 50)),

                top: head.$element.css("top"),

```
                duration: 500
```
```
            });
```
```
            iterator++;
```
```
            current = current.next;
```
```
        }    
```
```
    }
```
```
 
```
```
    close() {
```
```
        this.status = "closed";
```
```
        var current = this.first.next;
```
```
        var head = this.first;
```
```
        var iterator = 1;
```
```
        while (current != null) {
```
```
            anime({
```

                targets: current.$element[0],

                left: head.$element.css("left"),

                top: head.$element.css("top"),

```
                duration: 500
```
```
            });
```
```
            iterator++;
```
```
            current = current.next;
```
```
        }
```
```
    }
```
```
 
```
```
    click() {
```
```
        if (this.status == "closed") {
```
```
            this.open();
```
```
        } else {
```
```
            this.close();
```
```
        }
```
```
    }
```
```
 
```
```
}
```
```
 
```
```
var menu = new Menu("#myMenu");
```
```
var item1 = new Item("list");
```

var item2 = new Item("torso", "#FF5C5C");

var item3 = new Item("social-facebook", "#5CD1FF");

var item4 = new Item("paypal", "#FFF15C");

var item5 = new Item("link", "#64F592");

```
 
```
```
menu.add(item1);
```
```
menu.add(item2);
```
```
menu.add(item3);
```
```
menu.add(item4);
```
```
menu.add(item5);
```

$(document).delay(50).queue(function(next) {

```
    menu.open();
```
```
    next();
```

    $(document).delay(1000).queue(function(next) {

```
        menu.close();
```
```
        next();
```
```
    });
```
```
});
```

自由拖拽弹性圆形菜单

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导航菜单

自由拖拽弹性圆形菜单

使用方法：

HTML 结构：

初始化插件：

自由拖拽弹性圆形菜单

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