>onMouseAction</code>, we set the circle's position when mouse moves, and in <code>animate</code>, we draw the circle with an orange stroke color. Give it a try, and you should see the orange circle is now moving with your cursor.</p>
<p><img alt="with interaction" src="../images/quick-start-guide/progress3.png" /></p>
<p>Pt also supports multi-touch interactions for mobile. See the <a href="./mobile.html">mobile guide</a> for more.</p>
<h3>3. Experimentation</h3>
<p>We got the basics working, but what can 