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    • CommentAuthorabouffard
    • CommentTimeJan 13th 2020
    I am using CC3+ to add a floor mask to my dungeon. When I create a polygon with a "solid 90 Bitmap" fill - the same fill as my background - it looks fine until I hit the "Redraw" button. Then the fill turns black. Like it's failing to support the Alpha Transparency setting for the fill.

    Attached are screenshots of the mask when I create it, after the redraw, and the list for the polygon.

    What's happening and how can I fix it please?


      solid 90 bitmap floor mask.PNG
    • CommentAuthorabouffard
    • CommentTimeJan 13th 2020
    Here is is after redraw.
      solid 90 turns black after redraw.PNG
    • CommentAuthorabouffard
    • CommentTimeJan 13th 2020
    Here is the listing for the mask polygon.
      list results.PNG
    • CommentTimeJan 14th 2020
    Using a part-transparent fill for the floor mask kinda defeats its purpose, doesn't it? I suspect the transparency doesn't play well with the sheet effects involved. Could you post your map file so I can take a look at it directly?
    • CommentTimeJan 14th 2020 edited
    This look like the expected outcome to me.
    If the background is 90% opaque, you get a dark gray.
    When you throw another 90% opaque polygon on top of that again, you basically get a 99% opaque result, which would look almost pure black.

    Remember that when using partially-transparent fills like these, the effects stack, so the area with two of them on top of each other will never be the same color as the area with only one.

    I am guessing what you really want is that grey color. If so, you should fill both the background and the mask using a solid color fill, and not a bitmap fill like these. Just use the fill called just 'Solid' and set a color, like 244 or something.
    • CommentAuthorabouffard
    • CommentTimeJan 16th 2020
    Thanks all. Make's sense.