public virtual void SetBullet(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_bulletFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_bulletFlag;
}
}
public virtual void SetSleepingAllowed(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_autoSleepFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_autoSleepFlag;
SetAwake(true);
}
}
public virtual void SetFixedRotation(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_fixedRotationFlag;
}
ResetMassData();
}
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 void SetAwake(bool flag)
{
if (flag)
{
if ((m_flags & b2BodyFlags.e_awakeFlag) == 0)
{
m_flags |= b2BodyFlags.e_awakeFlag;
m_sleepTime = 0.0f;
}
}
else
{
m_flags &= ~b2BodyFlags.e_awakeFlag;
m_sleepTime = 0.0f;
m_linearVelocity.SetZero();
m_angularVelocity = 0.0f;
m_force.SetZero();
m_torque = 0.0f;
}
}
public virtual void SetFixedRotation(bool flag)
{
if (flag)
{
if (m_flags.HasFlag(b2BodyFlags.e_fixedRotationFlag))
{
return;
}
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
else
{
if (!m_flags.HasFlag(b2BodyFlags.e_fixedRotationFlag))
{
return;
}
m_flags &= ~b2BodyFlags.e_fixedRotationFlag;
}
ResetMassData();
}
public virtual void SetFixedRotation(bool flag)
{
if (flag)
{
if ((BodyFlags & b2BodyFlags.e_fixedRotationFlag) != 0)
{
return;
}
BodyFlags |= b2BodyFlags.e_fixedRotationFlag;
}
else
{
if ((BodyFlags & b2BodyFlags.e_fixedRotationFlag) == 0)
{
return;
}
BodyFlags &= ~b2BodyFlags.e_fixedRotationFlag;
}
ResetMassData();
}
public virtual void SetAwake(bool flag)
{
if (flag)
{
if ((BodyFlags & b2BodyFlags.e_awakeFlag) == 0)
{
BodyFlags |= b2BodyFlags.e_awakeFlag;
SleepTime = 0.0f;
}
}
else
{
if ((BodyFlags & b2BodyFlags.e_awakeFlag) != 0)
{
BodyFlags &= ~b2BodyFlags.e_awakeFlag;
SleepTime = 0.0f;
m_linearVelocity = b2Vec2.Zero;
m_angularVelocity = 0.0f;
Force = b2Vec2.Zero;
Torque = 0.0f;
}
}
}
public virtual void SetAwake(bool flag)
{
if (flag)
{
if (!m_flags.HasFlag(b2BodyFlags.e_awakeFlag))
{
m_flags |= b2BodyFlags.e_awakeFlag;
m_sleepTime = 0.0f;
}
}
else
{
if (m_flags.HasFlag(b2BodyFlags.e_awakeFlag))
{
m_flags &= ~b2BodyFlags.e_awakeFlag;
m_sleepTime = 0.0f;
m_linearVelocity.SetZero();
m_angularVelocity = 0.0f;
m_force.SetZero();
m_torque = 0.0f;
}
}
}
public static bool HasFlag(this b2BodyFlags flag, b2BodyFlags testFlag)
{
return((flag & testFlag) == testFlag);
}
public static bool HasFlag(this b2BodyFlags flag, b2BodyFlags testFlag)
{
return ((flag & testFlag) == testFlag);
}
public b2Body(b2BodyDef bd, b2World world)
{
m_flags = 0;
if (bd.bullet)
{
m_flags |= b2BodyFlags.e_bulletFlag;
}
if (bd.fixedRotation)
{
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
if (bd.allowSleep)
{
m_flags |= b2BodyFlags.e_autoSleepFlag;
}
if (bd.awake)
{
m_flags |= b2BodyFlags.e_awakeFlag;
}
if (bd.active)
{
m_flags |= b2BodyFlags.e_activeFlag;
}
m_world = world;
m_xf.p = bd.position;
m_xf.q.Set(bd.angle);
Sweep.localCenter.SetZero();
Sweep.c0 = m_xf.p;
Sweep.c = m_xf.p;
Sweep.a0 = bd.angle;
Sweep.a = bd.angle;
Sweep.alpha0 = 0.0f;
m_jointList = null;
m_contactList = null;
Prev = null;
Next = null;
m_linearVelocity = bd.linearVelocity;
m_angularVelocity = bd.angularVelocity;
m_linearDamping = bd.linearDamping;
m_angularDamping = bd.angularDamping;
m_gravityScale = bd.gravityScale;
m_force.SetZero();
m_torque = 0.0f;
m_sleepTime = 0.0f;
m_type = bd.type;
if (m_type == b2BodyType.b2_dynamicBody)
{
m_mass = 1.0f;
m_invMass = 1.0f;
}
else
{
m_mass = 0.0f;
m_invMass = 0.0f;
}
m_I = 0.0f;
m_invI = 0.0f;
m_userData = bd.userData;
m_fixtureList = null;
m_fixtureCount = 0;
}
public virtual void SetSleepingAllowed(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_autoSleepFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_autoSleepFlag;
SetAwake(true);
}
}
public virtual void SetFixedRotation(bool flag)
{
if (flag)
{
if (m_flags.HasFlag(b2BodyFlags.e_fixedRotationFlag))
{
return;
}
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
else
{
if (!m_flags.HasFlag(b2BodyFlags.e_fixedRotationFlag))
{
return;
}
m_flags &= ~b2BodyFlags.e_fixedRotationFlag;
}
ResetMassData();
}
public virtual void SetBullet(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_bulletFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_bulletFlag;
}
}
protected b2Transform m_xf = b2Transform.Default; // the body origin transform
#endregion Fields
#region Constructors
public b2Body(b2BodyDef bd, b2World world)
{
m_flags = 0;
if (bd.bullet)
{
m_flags |= b2BodyFlags.e_bulletFlag;
}
if (bd.fixedRotation)
{
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
if (bd.allowSleep)
{
m_flags |= b2BodyFlags.e_autoSleepFlag;
}
if (bd.awake)
{
m_flags |= b2BodyFlags.e_awakeFlag;
}
if (bd.active)
{
m_flags |= b2BodyFlags.e_activeFlag;
}
m_world = world;
m_xf.p = bd.position;
m_xf.q.Set(bd.angle);
Sweep.localCenter.SetZero();
Sweep.c0 = m_xf.p;
Sweep.c = m_xf.p;
Sweep.a0 = bd.angle;
Sweep.a = bd.angle;
Sweep.alpha0 = 0.0f;
m_jointList = null;
m_contactList = null;
Prev = null;
Next = null;
m_linearVelocity = bd.linearVelocity;
m_angularVelocity = bd.angularVelocity;
m_linearDamping = bd.linearDamping;
m_angularDamping = bd.angularDamping;
m_gravityScale = bd.gravityScale;
m_force.SetZero();
m_torque = 0.0f;
m_sleepTime = 0.0f;
m_type = bd.type;
if (m_type == b2BodyType.b2_dynamicBody)
{
m_mass = 1.0f;
m_invMass = 1.0f;
}
else
{
m_mass = 0.0f;
m_invMass = 0.0f;
}
m_I = 0.0f;
m_invI = 0.0f;
m_userData = bd.userData;
m_fixtureList = null;
m_fixtureCount = 0;
}
public b2Body(b2BodyDef bd, b2World world)
{
BodyFlags = 0;
if (bd.bullet)
{
BodyFlags |= b2BodyFlags.e_bulletFlag;
}
if (bd.fixedRotation)
{
BodyFlags |= b2BodyFlags.e_fixedRotationFlag;
}
if (bd.allowSleep)
{
BodyFlags |= b2BodyFlags.e_autoSleepFlag;
}
if (bd.awake)
{
BodyFlags |= b2BodyFlags.e_awakeFlag;
}
if (bd.active)
{
BodyFlags |= b2BodyFlags.e_activeFlag;
}
World = world;
Transform.p = bd.position;
Transform.q.Set(bd.angle);
Sweep.localCenter.SetZero();
Sweep.c0 = Transform.p;
Sweep.c = Transform.p;
Sweep.a0 = bd.angle;
Sweep.a = bd.angle;
Sweep.alpha0 = 0.0f;
JointList = null;
ContactList = null;
Prev = null;
Next = null;
m_linearVelocity = bd.linearVelocity;
m_angularVelocity = bd.angularVelocity;
LinearDamping = bd.linearDamping;
AngularDamping = bd.angularDamping;
GravityScale = bd.gravityScale;
Force.SetZero();
Torque = 0.0f;
SleepTime = 0.0f;
BodyType = bd.type;
if (BodyType == b2BodyType.b2_dynamicBody)
{
Mass = 1.0f;
InvertedMass = 1.0f;
}
else
{
Mass = 0.0f;
InvertedMass = 0.0f;
}
m_I = 0.0f;
InvertedI = 0.0f;
UserData = bd.userData;
FixtureList = null;
FixtureCount = 0;
}
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 void SetFixedRotation(bool flag)
{
if (flag)
{
m_flags |= b2BodyFlags.e_fixedRotationFlag;
}
else
{
m_flags &= ~b2BodyFlags.e_fixedRotationFlag;
}
ResetMassData();
}
