public virtual b2Fixture CreateFixture(b2FixtureDef def)
{
if (m_world.IsLocked == true)
{
return(null);
}
b2Fixture fixture = new b2Fixture();
fixture.Create(this, def);
if (m_flags.HasFlag(b2BodyFlags.e_activeFlag))
{
b2BroadPhase broadPhase = m_world.ContactManager.BroadPhase;
fixture.CreateProxies(broadPhase, m_xf);
}
fixture.Next = m_fixtureList;
m_fixtureList = fixture;
++m_fixtureCount;
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.
m_world.Flags |= b2WorldFlags.e_newFixture;
return(fixture);
}
public virtual void SetActive(bool flag)
{
if (flag == IsActive())
{
return;
}
if (flag)
{
m_flags |= b2BodyFlags.e_activeFlag;
// Create all proxies.
b2BroadPhase broadPhase = m_world.ContactManager.BroadPhase;
for (b2Fixture f = m_fixtureList; f != null; f = f.Next)
{
f.CreateProxies(broadPhase, m_xf);
}
// Contacts are created the next time step.
}
else
{
m_flags &= ~b2BodyFlags.e_activeFlag;
// Destroy all proxies.
b2BroadPhase broadPhase = m_world.ContactManager.BroadPhase;
for (b2Fixture f = m_fixtureList; f != null; f = f.Next)
{
f.DestroyProxies(broadPhase);
}
// Destroy the attached contacts.
b2ContactEdge ce = m_contactList;
while (ce != null)
{
b2ContactEdge ce0 = ce;
ce = ce.Next;
m_world.ContactManager.Destroy(ce0.Contact);
}
m_contactList = null;
}
}
public virtual b2Fixture CreateFixture(b2FixtureDef def)
{
if (m_world.IsLocked == true)
{
return null;
}
b2Fixture fixture = new b2Fixture();
fixture.Create(this, def);
if (m_flags.HasFlag(b2BodyFlags.e_activeFlag))
{
b2BroadPhase broadPhase = m_world.ContactManager.BroadPhase;
fixture.CreateProxies(broadPhase, m_xf);
}
fixture.Next = m_fixtureList;
m_fixtureList = fixture;
++m_fixtureCount;
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.
m_world.Flags |= b2WorldFlags.e_newFixture;
return fixture;
}
