
roundbg.physicsBody = SKPhysicsBody(circleOfRadius: round.frame.width/2)
roundbg.physicsBody?.dynamic = false
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试图将球圈入圆圈内(roundbg).问题是,当我使用circleOfRadius作为圆形纹理时,它需要整个圆而不仅仅是边框.我明白为什么circleOfRadius正在这样做,但无法弄清楚如何抓住边界.有任何想法吗?因此理想情况下,当球落下时,它会被困在圆圈内(圆形).
第一款iOS应用程序/游戏,对此非常新.谢谢你的帮助!
因此,在尝试进行一些研究之后,我试图拉动并打印某个粉丝所拥有的"喜欢"的数量 - 我发现这应该有用,但它不会拉动任何东西.有帮助吗?
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function fbFetch(){
//Set Url of JSON data from the facebook graph api. make sure callback is set with a '?' to overcome the cross domain problems with JSON
var url = "https://graph.facebook.com/tenniswarehouse?callback=?";
//Use jQuery getJSON method to fetch the data from the url and then create our unordered list with the relevant data.
$.getJSON(url,function(json){
var html = "<ul>
<li>" + likes + "</li>
</ul>";
//A little animation once fetched
$('.facebookfeed').animate({opacity:0}, 500, function(){ …Run Code Online (Sandbox Code Playgroud) 我安装了ruby和rails:/ usr/local/bin/ruby/usr/bin/ruby/usr/local/bin/ruby
当我尝试运行诸如ruby script/console之类的某些命令时,这会导致问题
如何删除某些ruby和rails的安装?