public WallIndexMap CreateIndexMap()
{
var transformedVertexPositions = new Vector2[_vertexData.Length];
var transformation = Matrix.CreateRotationZ(Rotation);
Vector2.Transform(_vertexData.Select(AWMathHelper.ProjectXY).ToArray(),
ref transformation, transformedVertexPositions);
var indexMap = new WallIndexMap(_removedTriangleIndices.Add,
AW2.Helpers.Geometric.Rectangle.FromVector2(transformedVertexPositions),
transformedVertexPositions, _indexData);
#if VERY_SMALL_TRIANGLES_ARE_COLLIDABLE
indexMap.ForceVerySmallTrianglesIntoIndexMap(_vertexData, _indexData);
#endif
return indexMap;
}
