// constructor
public Scene(string id)
{
// initialize properties
this.Id = id;
this.NamedEntities = new Dictionary <string, Entity>();
this.Entities = new List <Entity>();
// load config
if (this.config == null)
{
this.config = Program.LoadJsonConfig(id + ".json");
}
// create entities defined in config file
foreach (var item in this.config)
{
if (item.entity == null)
{
continue;
}
Entity e = null;
if (item.entity == "TextEntity")
{
e = TextEntity.CreateFromConfig(item);
}
if (item.entity == "SpriteEntity")
{
e = SpriteEntity.CreateFromConfig(item);
}
if (item.entity == "BoxEntity")
{
e = BoxEntity.CreateFromConfig(item);
}
if (item.motion != null)
{
e.Motion = MotionComponent.CreateFromConfig(e, item.motion);
}
this.AddEntity(e);
}
}
// static methods
static public BoxEntity CreateFromConfig(dynamic item)
{
string id = item.id;
float width = item.width ?? 100;
float height = item.height ?? 100;
float thickness = item.thickness ?? 5;
Color color = (item.color == null) ? Color.Gray : Color.FromName((string)item.color);
// left/top fields will overwrite x/y if both exist
float x = item.x ?? 0;
float y = item.y ?? 0;
float left = x - width / 2;
float top = y - height / 2;
BoxEntity b = new BoxEntity(id, x, y, width, height, thickness, color);
return(b);
}