在Google Maps API v2中，我们可以设置标记选项 bouncy：true 。它增加了标记眼睛的糖果能力 - 拖动这个标记后，它会弹起来。
API v3中可以做什么？
不要惊讶地发现，这在某些时候会被实现到v3 API中 - 它仍然处于测试阶段，并且会发生一些变化。
如果您真的想要V3 Map中的行为，您可以将事件绑定到dragend方法标记对象。有称为改变MarkerImage对象的锚点的函数 - 也检查API中的MarkerImage对象。
In Google Maps API v2 we can set to marker an option bouncy:true. It adds to marker eye-candy ability - after dragging this marker, it is bouncing.
Is it possible to do in API v3 ?
I just had a quick look at the API v3 spec for Markers - it doesn't look like the 'bouncy' option is available right now but I wouldn't be surprised to see this get implemented into the v3 API at some point - it's still in Beta and bound to change quite a bit.
If you really wanted the behavior in a V3 Map now you could tie an event to the 'dragend' method on the Marker Object. Have the function called alter the anchor point of the MarkerImage object - check out the MarkerImage object in the API too.
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