public TilePolygonObject(int id, float x, float y, TilePolygon polygon) : base(id, x, y)
{
X = x;
Y = y;
Polygon = polygon;
var bodyDef = new BodyDef
{
Position = new Vec2(x.ToMeter(), y.ToMeter()),
};
Body = Map.World.CreateBody(bodyDef);
var dividedPolygon = DividePolygon(polygon.Points);
_polygonDefs = dividedPolygon.Select(points =>
{
points = MakePolygonCw(points);
var polygonDef = new PolygonDef
{
VertexCount = points.Count,
Vertices = points.Select(point => point.ToVec2()).ToArray()
};
polygonDef.Filter.CategoryBits = (ushort)CategoryBits.Ground;
polygonDef.Filter.MaskBits = (ushort)MaskBits.Ground;
return(polygonDef);
}).ToList();
_polygonDefs.ForEach(def => { Body.CreateShape(def); });
Body.SetUserData(this);
}
public static TileObject Parse(XmlElement xmlElement)
{
var x = float.Parse(xmlElement.GetAttribute("x"));
var y = float.Parse(xmlElement.GetAttribute("y"));
var id = int.Parse(xmlElement.GetAttribute("id"));
if (xmlElement.HasAttribute("width"))
{
var width = float.Parse(xmlElement.GetAttribute("width"));
var height = float.Parse(xmlElement.GetAttribute("height"));
var hasRotation = xmlElement.HasAttribute("rotation");
var rotation = hasRotation ? float.Parse(xmlElement.GetAttribute("rotation")) : 0;
if (xmlElement.HasAttribute("gid"))
{
var gid = int.Parse(xmlElement.GetAttribute("gid"));
return(new TileImageObject(id, x, y, width, height, gid));
}
return(new TileRectangleObject(id, x, y, width, height, rotation));
}
TilePolygon polygon = null;
TileObjectType tileObjectType = TileObjectType.Unknown;
foreach (XmlElement item in xmlElement.ChildNodes)
{
switch (item.Name)
{
case "polygon":
polygon = new TilePolygon();
polygon.Parse(item);
tileObjectType = TileObjectType.Polygon;
break;
case "point":
tileObjectType = TileObjectType.Point;
break;
}
}
switch (tileObjectType)
{
case TileObjectType.Polygon:
return(new TilePolygonObject(id, x, y, polygon));
case TileObjectType.Point:
return(new TilePointObject(id, x, y));
default:
return(new TileObject(id, x, y));
}
}