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Thread: Mouse Coordinates

  1. #1
    Clicker Multimedia Fusion 2 Developer

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    Mouse Coordinates

    Hi.

    I'm trying to figure out when the player clicks on a 3d sprite. Which method would be the easiest to perform this check?

    Thanks!

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    Clicker Multimedia Fusion 2SWF Export Module

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    Re: Mouse Coordinates

    Record a z-buffer of all your screen, and link sprites ID's into it and then compare to that?

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    Re: Mouse Coordinates

    An example would be much appreciated, I am incredibly new to OpenGL :P

  4. #4
    Clicker Fusion 2.5 DeveloperFusion 2.5+ DLCAndroid Export ModuleHTML5 Export ModuleiOS Export ModuleUniversal Windows Platform Export ModuleSWF Export ModuleXNA Export ModuleInstall Creator Pro
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    Re: Mouse Coordinates

    Pixelthief, may I ask what is a z buffer?

    Thanks
    Marv (the brainless)
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    Clicker Fusion 2.5 DeveloperSWF Export ModuleUnicode Add-on
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    Re: Mouse Coordinates

    http://en.wikipedia.org/wiki/Z-buffer

    Basically, a pixel has doesn't just have a color, but also a depth value that describes how far the visible object on the pixel is away.

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    Re: Mouse Coordinates

    Totally off topic but does anyone know whats happening with the development for these objects?

    Seems it has been a while since there was any news for them now.

  7. #7
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    Re: Mouse Coordinates

    Thanks Looki for helping out.

    Marv
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    Clicker Multimedia Fusion 2SWF Export Module

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    Re: Mouse Coordinates

    Yah, your pixel array should have

    *Depth (the Z value, duh)
    *Pixel Color
    *Pointer to object (ID)

    that way simply clicking on a specific pixel will access
    depending on implementations ie hardware vs software, these could be simultaneous sidebyside 2 dimensional arrays, or a single 3 dimensional array. In opengl I assume it would be the former

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    Clicker Multimedia Fusion 2 DeveloperSWF Export Module

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    Re: Mouse Coordinates

    Hopefully if Min is still making the collection a bounding box, depth test or full collision events object with these types of options could be added. This would be quite a useful extension for the collection i think.

  10. #10
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    Re: Mouse Coordinates

    You should use the GL_SELECT render mode for this-- a nice tutorial can be found here

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