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Opacity Map in W3D - Macromedia Director 3D

Hi, everyone. I just have a question about opacity map. Does Director support opacity mapping ? I applied two jpegs on a 3d object in 3D Max ver 5 to reduce no. of polygons. A tree image for diffuse map and B/W image of the tree for opacity map so i can see just tree without background of the tree in 3D Max. But I see everyting including background in W3D file after exporting. It seems Director doesn't support opacity map. If anyknow this, answer will be really helpful for me. Thank you. Jin...

  1. #1

    Default Opacity Map in W3D

    Hi, everyone.
    I just have a question about opacity map.
    Does Director support opacity mapping ? I applied two jpegs on a 3d object in
    3D Max ver 5 to reduce no. of polygons. A tree image for diffuse map and B/W
    image of the tree for opacity map so i can see just tree without background of
    the tree in 3D Max. But I see everyting including background in W3D file after
    exporting. It seems Director doesn't support opacity map.
    If anyknow this, answer will be really helpful for me.
    Thank you.

    Jin

    Kyungjin Guest

  2. #2

    Default Re: Opacity Map in W3D

    Shockwave 3D does support opacity maps.

    Your 8 bit opacity map must be in a 32 bit texture (TGA, TIFF, PNG, PSD...).

    You must also set the texture render format to 32 bits (#RGBA8888) in Lingo or
    use the Chrome Lib for this purpose:
    [L=http://www.chromelib.com]http://www.chromelib.com[/L]

    Newt99 Guest

  3. #3

    Default Re: Opacity Map in W3D


    To be more explicit, create a 32 bit texture image with:
    the 24 bit texture + the 8 bit opacity mask

    Map it then export the W3D file.

    You can then set the texture render format.


    Newt99 Guest

  4. #4

    Default Re: Opacity Map in W3D

    Thank you. It does work.

    I really appreciate.


    Jin
    Kyungjin Guest

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