Method animate

src/common/overlay/levelRenderer/Render.js:312–366

* @function LevelRenderer.Render.prototype.animate * @description 动画。 * * @example * zr.animate(circle.id, 'style', false) * .when(1000, {x: 10} ) * .done(function(){ // Animation done }) * .start() * * * @param {Array.<(L

(el, path, loop)

     * @return {LevelRenderer.animation.Animator} Animator。
     */
    animate(el, path, loop) {
        if (typeof(el) === 'string') {
            el = this.storage.get(el);
        }
        if (el) {
            var target;
            if (path) {
                var pathSplitted = path.split('.');
                var prop = el;
                for (var i = 0, l = pathSplitted.length; i < l; i++) {
                    if (!prop) {
                        continue;
                    }
                    prop = prop[pathSplitted[i]];
                }
                if (prop) {
                    target = prop;
                }
            } else {
                target = el;
            }

            if (!target) {
                SUtil.Util_log(
                    'Property "'
                    + path
                    + '" is not existed in element '
                    + el.id
                );
                return;
            }

            var animatingElements = this.animatingElements;
            if (typeof el.__aniCount === 'undefined') {
                // 正在进行的动画记数
                el.__aniCount = 0;
            }
            if (el.__aniCount === 0) {
                animatingElements.push(el);
            }
            el.__aniCount++;

            return this.animation.animate(target, {loop: loop})
                .done(function () {
                    el.__aniCount--;
                    if (el.__aniCount === 0) {
                        // 从animatingElements里移除
                        var idx = new Util().indexOf(animatingElements, el);
                        animatingElements.splice(idx, 1);
                    }
                });
        } else {
            SUtil.Util_log('Element not existed');
        }
    }

    /**
     * @function LevelRenderer.Render.prototype.clearAnimation