box2d support for TiledMaps

[bitbrain]

Currently TileSets can have full collisions assigned to them. However, in a physics based game we want to utilize the collision editor of Tiled in the following way:

1. decorate collisions with Tiled for your tileset
2. build your map
3. braingdx automatically creates 2D collision objects
4. Physics get detected an activated

References

• libgdx - how can I convert a tiledmap to a box2d world

[bitbrain]

We require polygon stripping into triangles: https://github.com/testingcrmulti/joeydevolopmenttesting/blob/dd15eedfa64af4482435a39a9c8612fbb4c0f93f/libgdxCommon/src/com/emptyPockets/box2d/utils/box2d/polygon/Clipper.java