更新2.4版本 过场动画进度条不走了 2.3可以(安卓平台 H5没有问题)

Creator 2.x
#1 
        //需要加载进度条

        let path = "prefabs/loading_progress";
        let componentName = "loading_progress_ctr";

        cc.resources.load(path, function (errorMessage, loadedResource) {
            if (errorMessage) {
                console.log('Prefab error:' + errorMessage);
                return;
            }

            if (!(loadedResource instanceof cc.Prefab)) {
                console.log('Prefab error');
                return;
            }

            var prefab = cc.instantiate(loadedResource);
            let prefab_js = prefab.getComponent(componentName);
            cc.find("Canvas").addChild(prefab);

            if (componentName != undefined) {

                //需要加载进度条
                cc.director.preloadScene(sceneName, function (completedCount, totalCount, item) {
                    let per = Math.floor(completedCount * 100 / totalCount) / 100;

                    prefab_js.setProgress(per.toFixed(2))

                }, function () {
                    cc.director.loadScene(sceneName);
                
                });
            }