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Papervision3D in Flex throws an error when a 3D object is clicked

I am working on a game in which there are several Plane objects that the player can click. My main application class extends the BasicView class. I made this whole game as an ActionScript project and everything works fine when I run it as one.

Now I load this game in a Flex application. When added to the Flex application, it runs perfectly until I click somewhere at which point it throws the following error:

undefined
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/handleUpdate()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:724]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/handleUpdate()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:724]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/handleUpdate()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:724]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/handleUpdate()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:724]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/handleUpdate()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:724]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/update()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:562]
    at org.papervision3d.core.utils.virtualmouse::VirtualMouse/press()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\virtualmouse\VirtualMouse.as:451]
    at org.papervision3d.core.utils::InteractiveSceneManager/handleMousePress()[D:\Omer Hassan\our5pillars\repository\flash\game\src\org\papervision3d\core\utils\InteractiveSceneManager.as:189]
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at mx.managers::SystemManager/mouseEventHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2924]
    at flash.events::EventDispatcher/dispatchEventFunction()

Any ideas on how to fix this?

在org \\ papervision3d \\ core \\ utils \\ InteractiveSceneManager.as:189附近有一个if语句,我必须对此进行评论,然后它开始工作。

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