The Polygon Editor is an application which can be used to create XML files which define 2D polygons. These files can be loaded in any FlatRedBall Engine to define triggers and collision maps.
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The PolygonEditor is included in the FlatRedBall Development Kit.
Further Information:
FlatRedBall Reference
Animation Editor
AI Editor
Model Editor
Particle Editor
Polygon Editor
Spline Editor
Sprite Editor
Tile Editor