public override void initialize()
{
base.initialize();
var data = new uint[_subtexture.sourceRect.Width * _subtexture.sourceRect.Height];
_subtexture.texture2D.GetData(0, _subtexture.sourceRect, data, 0, data.Length);
var verts = PolygonTools.createPolygonFromTextureData(data, _subtexture.sourceRect.Width);
verts = SimplifyTools.douglasPeuckerSimplify(verts, 2);
var decomposedVerts = Triangulate.convexPartition(verts, TriangulationAlgorithm.Bayazit);
for (var i = 0; i < decomposedVerts.Count; i++)
{
var polygon = decomposedVerts[i];
polygon.translate(-_subtexture.center);
}
// add the fixtures
var fixtures = body.attachCompoundPolygon(decomposedVerts, 1);
// fetch all the Vertices and save a copy in case we need to scale them later
foreach (var fixture in fixtures)
{
_verts.Add(new Vertices((fixture.shape as PolygonShape).vertices));
}
}