var list = ["富强", "民主", "文明", "和谐", "自由", "平等", "公正", "法治", "爱国", "敬业", "诚信", "友善"];
var body = document.querySelector("body");
var index = 0;
body.onclick = function(e) {
    var Xcoord = e.x;
    var Ycoord = e.y;
    var span = document.createElement("span");
    var color = parseInt(Math.random() * 360);
    span.innerText = list[index];
    span.style.position = "fixed";
    span.style.left = `${Xcoord}px`
    span.style.top = `${Ycoord}px`
    span.style.color = `hsl(${color},100%,50%,0.7)`;

    var direction = [
        'LeftTop', 'LeftBottom',
        'RightTop', 'RightBottom',
    ];
    var directionIndex = parseInt(Math.random() * direction.length);

    motion(direction[directionIndex], span, Xcoord, Ycoord);

    function motion(direction, el, X, Y) {
        var newX = Math.random() * X
        var newY = Math.random() * Y
        setTimeout(function() {
            switch (direction) {
                case "LeftTop":
                    el.style.left = `${Xcoord-newX}px`
                    el.style.top = `${Ycoord-newY}px`
                    break;
                case "RightTop":
                    el.style.left = `${Xcoord+newX}px`
                    el.style.top = `${Ycoord-newY}px`
                    break;
                case "LeftBottom":
                    el.style.left = `${Xcoord-newX}px`
                    el.style.top = `${Ycoord+newY}px`
                    break;
                case "RightBottom":
                    el.style.left = `${Xcoord+newX}px`
                    el.style.top = `${Ycoord+newY}px`
                    break;

                default:
                    break;
            }
        }, 300);
        setTimeout(function() {
            body.removeChild(el)
        }, 1300);

    }

    body.appendChild(span)

    console.log(span);
    index += 1;
    if (index > 11) {
        index = 0

    }


}