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elements documentation (r105)
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<a href="ref.html">Reference Index</a> || <a href="index.html">Help Contents</a> || <a href="manual.html">Manual</a><br>
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<a href="elements.html">elements</a> || <a href="add.html">elements.add</a> || <a href="callbacks.html">elements.callbacks</a> || <a href="box2d/classb2_world.htm" target="_blank">elements.world</a> || <a href="box2d/hierarchy.htm" target="_blank">Box2D</a>
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<a name="elements.callbacks"></a>
<big><b>elements.callbacks</big></b><br>
<ul class='ul1'>
<i>elements callback subclass</i><br>
<ul class='ul1'>
<li><a href="callbacks.html#elements.callbacks.add">elements.callbacks.add</a> - <font size="-1">add a new callback</font></li>
<li><a href="callbacks.html#elements.callbacks.get">elements.callbacks.get</a> - <font size="-1">get a list of callbacks</font></li>
</ul>
<br>The subclass takes care of registering and delivering callbacks.<br>
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<a name="elements.callbacks.add"></a>
<big><b>elements.callbacks.add</b></big>
<ul class='ul1'><i>add a new callback</i><br>
<tt>elements.callbacks.add(callback_type, callback_handler, bodylist=None): return int</tt><br>
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Users can add callbacks for certain (or all) collisions<br>
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Parameters:<br>
callback_type ......... see elements.locals and <a href="manual.html#callbacks">manual.html#callbacks</a><br>
callback_handler ...... a function which should be executed on the specified event<br>
shapelist (optional) .. which shapes should cause the callback -- leave empty for all<br>
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Return:<br>
callback_id ... used to remove a callback later (int)
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<a name="elements.callbacks.get"></a>
<big><b>elements.callbacks.get</b></big>
<ul class='ul1'><i>get a callback listing</i><br>
<tt>elements.callbacks.get(callback_type): return List</tt><br>
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Users can get callback listing<br>
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Parameters:<br>
callback_type ......... see elements.locals and <a href="manual.html#callbacks">manual.html#callbacks</a>
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