擅长:python、mysql、java
<p>你需要缩进最后一行。你知道吗</p>
<pre><code>def scaleSize(self,scale):
self.x = self.x * scale
self.y = self.y * scale
</code></pre>
<p>应该是</p>
<pre><code>def scaleSize(self,scale):
self.x = self.x * scale
self.y = self.y * scale
</code></pre>