///<summary>
/// Warning: This method is locked during callbacks.
/// </summary>>
/// <exception cref="System.InvalidOperationException">Thrown when the world is Locked/Stepping.</exception>
public void Add(Fixture fixture)
{
if (World != null && World.IsLocked)
{
throw new WorldLockedException("Cannot add fixtures to a body when the World is locked.");
}
if (fixture == null)
{
throw new ArgumentNullException("fixture");
}
if (fixture.Body != null)
{
if (fixture.Body == this)
{
throw new ArgumentException("You are adding the same fixture more than once.", "fixture");
}
else
{
throw new ArgumentException("fixture belongs to another body.", "fixture");
}
}
fixture.Body = this;
this.FixtureList.Add(fixture);
#if DEBUG
if (fixture.Shape.ShapeType == ShapeType.Polygon)
{
((PolygonShape)fixture.Shape).Vertices.AttachedToBody = true;
}
#endif
// Adjust mass properties if needed.
if (fixture.Shape._density > 0.0f)
{
ResetMassData();
}
if (World != null)
{
if (Enabled)
{
IBroadPhase broadPhase = World.ContactManager.BroadPhase;
fixture.CreateProxies(broadPhase, ref _xf);
}
// Let the world know we have a new fixture. This will cause new contacts
// to be created at the beginning of the next time step.
World._worldHasNewFixture = true;
if (World.FixtureAdded != null)
{
World.FixtureAdded(World, this, fixture);
}
}
}
/// <summary>
/// Creates a fixture and attach it to this body.
/// If the density is non-zero, this function automatically updates the mass of the body.
/// Contacts are not created until the next time step.
/// Warning: This function is locked during callbacks.
/// </summary>
/// <param name="shape">The shape.</param>
/// <param name="density">The density.</param>
/// <returns></returns>
public Fixture CreateFixture(Shape shape, float density)
{
Debug.Assert(World.IsLocked == false);
if (World.IsLocked)
{
return(null);
}
Fixture fixture = new Fixture(this, shape, density);
if ((Flags & BodyFlags.Active) == BodyFlags.Active)
{
BroadPhase broadPhase = World.ContactManager.BroadPhase;
fixture.CreateProxies(broadPhase, ref Xf);
}
FixtureList.Add(fixture);
fixture.Body = this;
// Adjust mass properties if needed.
if (fixture.Density > 0.0f)
{
ResetMassData();
}
// Let the world know we have a new fixture. This will cause new contacts
// to be created at the beginning of the next time step.
World.Flags |= WorldFlags.NewFixture;
if (World.FixtureAdded != null)
{
World.FixtureAdded(fixture);
}
return(fixture);
}
public void PopulateWorld(World w) {
foreach (Body b in bodyList) {
b.setWorld(w);
foreach (Fixture f in b.FixtureList)
{
f.Shape.ComputeProperties();
w.FixtureAdded(f);
}
float mass = b.Mass;
//b.ResetMassData();
b.Mass = mass;
b.Enabled = true;
b.Awake = true;
w.AddBody(b);
//w.BodyList.Add(b);
}
w.ProcessChanges();
foreach (Joint j in jointList)
{
w.AddJoint(j);
}
w.ProcessChanges();
}