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HomeWeb Front-endHTML TutorialiOS全景漫游_html/css_WEB-ITnose

前言

最近在做个房地产的项目,需要有全景的效果。在网上google了一番,发现了PanoramaGL这个库,但是好久没更新了。尝试着拖到工程中用了下,更改了一些PLConstants.h的最大图片尺寸的参数,便可以跑起来了。

但是

不幸的是,设置scrollEnable=YES后,滑动一下,便会一直不停的旋转。因为滑一下,在PLViewBase中,就会启动个timer/CADisplaylink进行刷新,不断调用drawViewInternally。后来想了个粗暴的办法,就是在drawViewInternally里面,延迟0.4s将其stop。但是这样一来,停的有点突然,不够平滑。╮(╯▽╰)╭,又不知道怎么去改源码,所以寻找另外的解决方法。

新发现

还是google,发现有pano2vr可以将全景图片转换成html,并且切换的很平顺。然后在app里面,弄个webview就够了。要吐槽一下的是,它是个付费软件,没找到mac的破解版,而mac的试用版,会打水印,没法用。后来还是切到了win版,下了个破解的。

简单实用

用起来还是蛮方便的,将图片拖进去,支持一张全景图,或者6张立体的。然后设置参数,一般都不需要怎么设置,我只是将html设置了全屏。

还可设置hotspot,并且可以编辑皮肤,使用自定义的图片。总体还是比较方便的。视频1 ,视频2

qq有一篇讲实现全景星球的文章,里面有比较详细的对各种全景工具的分析对比,可戳这里。

接入到app

其实在这一步,还是有点坎坷的。主要是图片路径惹的祸。因为是以黄色文件夹加进去的,所以所有的资源都在mainbundle下面,没有层级了,而它自动生成的xml里面的image路径,是images/xx.jpg的。所以需要手动修改路径,将images/去掉,直接引用xx.jpg。

还有一点要注意,就是加载本地html时,baseURL的设定。需要设置为[[NSBundle mainBundle] bundleURL]。如果设置为nil,会出现提示。因为它找不js文件和img。

This content requires HTML5/CSS3, WebGL, or Adobe Flash Player Version 9 or higher.

  NSString *path = [[NSBundle mainBundle] pathForResource:@"A5_cube" ofType:@"html"];  NSString *data = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];  [_webView loadHTMLString:data baseURL:[[NSBundle mainBundle] bundleURL]];

最后,如果还遇到js找不到或没有执行的情况,请检查build phase-->compile source里有没有它的身影。如有,将其拖至copy bundle resource中。

不过我用xcode 7.3直接拖进去,是正常的。

呼哈哈,坑,终于填满了。

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