小编Rag*_*cha的帖子

/*
using:
    circular positioning code:
        http://stackoverflow.com/a/10152437/1644202
    point at:
        http://pointat.idenations.com/api

depends on:
    jquery
    https://github.com/thomas-dotworx/jqrotate (pointat)
*/


function createFields() {
    $('.field').remove();
    var container = $('#container');
    for(var i = 0; i < +$('input:text').val(); i++) {
        $('<div/>', {
            'class': 'field',
            'text': i + 1,
        }).appendTo(container);
    }
}

function distributeFields(deg) {
    deg = deg || 0;
    var radius = 200;
    var fields = $('.field:not([deleting])'), container = $('#container'),
        width = container.width(), height = container.height(),
        angle = deg || Math.PI*3.5, step = (2*Math.PI) / fields.length; …