• jarne
  • New member
  • Offline
  • Registered: 2020-08-06
  • Posts: 7

Topic: OnlineMapsDrawingPoly filled in circle

Hi, I'm trying to draw a circle where the center is filled.
So far all I've been able to achieve is just the border of the circle.

I tried this example: http://infinity-code.com/atlas/online-m … ample.html
But it doesn't seem to draw the transparent background that it says it does.

The exact code I tried is: 

        List<Vector2> poly = new List<Vector2>
            {
                //Geographic coordinates
                new Vector2(0, 0),
                new Vector2(1, 0),
                new Vector2(2, 2),
                new Vector2(0, 1)
            };

        // Draw filled transparent poly
        OnlineMapsDrawingElementManager.AddItem(new OnlineMapsDrawingPoly(poly, Color.red, 1, new Color(1, 0 ,0, 1f)));

Am I doing something wrong? Are there extra stepts I forget?

  • Registered: 2015-06-23
  • Posts: 3,778

Re: OnlineMapsDrawingPoly filled in circle

Hello.

This is a known issue, here is a quote from the documentation:

Drawing API - polygon has no fill in "Tileset"

This problem is related to the very difficult polygon triangulation.
Most likely, this problem will never be solved.

How to work around the problem:
1. OnlineMapsDrawingElement.checkMapBoundaries = false.
This mode works correctly only if the lines do not intersect.
2. Use "Draw to Texture" mode.
3. (Not recommended) Use Drawing as Overlay.

Kind Regards,
Infinity Code Team.

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