public World(AABB worldAABB, Vec2 gravity, bool doSleep)
{
this._destructionListener = null;
this._boundaryListener = null;
this._contactFilter = WorldCallback.DefaultFilter;
this._contactListener = null;
this._debugDraw = null;
this._bodyList = null;
this._contactList = null;
this._jointList = null;
this._bodyCount = 0;
this._contactCount = 0;
this._jointCount = 0;
this._warmStarting = true;
this._continuousPhysics = true;
this._allowSleep = doSleep;
this._gravity = gravity;
this._lock = false;
this._inv_dt0 = 0f;
this._contactManager = new ContactManager();
this._contactManager._world = this;
this._broadPhase = new BroadPhase(worldAABB, this._contactManager);
BodyDef def = new BodyDef();
this._groundBody = this.CreateBody(def);
}
public void Update(ContactListener listener)
{
int oldCount = GetManifoldCount();
Evaluate(listener);
int newCount = GetManifoldCount();
Body body1 = _shape1.GetBody();
Body body2 = _shape2.GetBody();
if (newCount == 0 && oldCount > 0)
{
body1.WakeUp();
body2.WakeUp();
}
// Slow contacts don't generate TOI events.
if (body1.IsStatic() || body1.IsBullet() || body2.IsStatic() || body2.IsBullet())
{
_flags &= ~CollisionFlags.Slow;
}
else
{
_flags |= CollisionFlags.Slow;
}
}
public ContactManager()
{
_broadPhase = new BroadPhase();
_defaultFilter = new ContactFilter();
_defaultListener = new ContactListener();
_contactList = null;
_contactCount = 0;
_contactFilter = _defaultFilter;
_contactListener = _defaultListener;
}
public ContactManager()
{
_broadPhase = new BroadPhase();
_defaultFilter = new ContactFilter();
_defaultListener = new ContactListener();
_contactList = null;
_contactCount = 0;
_contactFilter = _defaultFilter;
_contactListener = _defaultListener;
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
this._bodyCapacity = bodyCapacity;
this._contactCapacity = contactCapacity;
this._jointCapacity = jointCapacity;
this._bodyCount = 0;
this._contactCount = 0;
this._jointCount = 0;
this._listener = listener;
this._bodies = new Body[bodyCapacity];
this._contacts = new Contact[contactCapacity];
this._joints = new Joint[jointCapacity];
this._velocities = new Velocity[this._bodyCapacity];
this._positions = new Position[this._bodyCapacity];
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
this._bodyCapacity = bodyCapacity;
this._contactCapacity = contactCapacity;
this._jointCapacity = jointCapacity;
this._bodyCount = 0;
this._contactCount = 0;
this._jointCount = 0;
this._listener = listener;
this._bodies = new Body[bodyCapacity];
this._contacts = new Contact[contactCapacity];
this._joints = new Joint[jointCapacity];
this._velocities = new Velocity[this._bodyCapacity];
this._positions = new Position[this._bodyCapacity];
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
BodyCapacity = bodyCapacity;
ContactCapacity = contactCapacity;
JointCapacity = jointCapacity;
BodyCount = 0;
ContactCount = 0;
JointCount = 0;
Listener = listener;
Bodies = new Body[bodyCapacity];
Contacts = new Contact[contactCapacity];
Joints = new Joint[jointCapacity];
Velocities = new Velocity[BodyCapacity];
Positions = new Position[BodyCapacity];
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
_bodyCapacity = bodyCapacity;
_contactCapacity = contactCapacity;
_jointCapacity = jointCapacity;
_bodyCount = 0;
_contactCount = 0;
_jointCount = 0;
_listener = listener;
_bodies = new Body[bodyCapacity];
_contacts = new Contact[contactCapacity];
_joints = new Joint[jointCapacity];
_velocities = new Velocity[_bodyCapacity];
_positions = new Position[_bodyCapacity];
}
public void Update(ContactListener listener)
{
int manifoldCount = this.GetManifoldCount();
this.Evaluate(listener);
int manifoldCount2 = this.GetManifoldCount();
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
if (manifoldCount2 == 0 && manifoldCount > 0)
{
body.WakeUp();
body2.WakeUp();
}
if (body.IsStatic() || body.IsBullet() || body2.IsStatic() || body2.IsBullet())
{
this._flags &= ~Contact.CollisionFlags.Slow;
}
else
{
this._flags |= Contact.CollisionFlags.Slow;
}
}
public override void Evaluate(ContactListener listener)
{
Body b1 = _shape1.GetBody();
Body b2 = _shape2.GetBody();
#warning "needfix"
//memcpy(&m0, &m_manifold, sizeof(b2Manifold));
Manifold m0 = _manifold.Clone();
Collision.Collision.CollidePolygons(ref _manifold, (PolygonShape)_shape1, b1.GetXForm(),
(PolygonShape)_shape2, b2.GetXForm());
bool[] persisted = new bool[] { false, false };
ContactPoint cp = new ContactPoint();
cp.Shape1 = _shape1;
cp.Shape2 = _shape2;
cp.Friction = Settings.MixFriction(_shape1.Friction, _shape2.Friction);
cp.Restitution = Settings.MixRestitution(_shape1.Restitution, _shape2.Restitution);
// Match contact ids to facilitate warm starting.
if (_manifold.PointCount > 0)
{
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < _manifold.PointCount; ++i)
{
ManifoldPoint mp = _manifold.Points[i];
mp.NormalImpulse = 0.0f;
mp.TangentImpulse = 0.0f;
bool found = false;
ContactID id = mp.ID;
for (int j = 0; j < m0.PointCount; ++j)
{
if (persisted[j] == true)
{
continue;
}
ManifoldPoint mp0 = m0.Points[j];
if (mp0.ID.Key == id.Key)
{
persisted[j] = true;
mp.NormalImpulse = mp0.NormalImpulse;
mp.TangentImpulse = mp0.TangentImpulse;
// A persistent point.
found = true;
// Report persistent point.
if (listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = id;
listener.Persist(cp);
}
break;
}
}
// Report added point.
if (found == false && listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = id;
listener.Add(cp);
}
}
_manifoldCount = 1;
}
else
{
_manifoldCount = 0;
}
if (listener == null)
{
return;
}
// Report removed points.
for (int i = 0; i < m0.PointCount; ++i)
{
if (persisted[i])
{
continue;
}
ManifoldPoint mp0 = m0.Points[i];
cp.Position = b1.GetWorldPoint(mp0.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp0.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp0.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = m0.Normal;
cp.Separation = mp0.Separation;
cp.ID = mp0.ID;
listener.Remove(cp);
}
}
public void Update(ContactListener listener)
{
//Note: Manifold is a class, not a struct. It will reference the old manifest, not copy it - DONE
Manifold oldManifold = new Manifold();
oldManifold.LocalPlaneNormal = Manifold.LocalPlaneNormal;
oldManifold.LocalPoint = Manifold.LocalPoint;
oldManifold.PointCount = Manifold.PointCount;
oldManifold.Points = Manifold.Points;
oldManifold.Type = Manifold.Type;
// Re-enable this contact.
Flags &= ~ContactFlag.DisabledFlag;
if (Collision.Collision.TestOverlap(_fixtureA.Aabb, _fixtureB.Aabb))
{
Evaluate();
}
else
{
Manifold.PointCount = 0;
}
Body bodyA = _fixtureA.GetBody();
Body bodyB = _fixtureB.GetBody();
int oldCount = oldManifold.PointCount;
int newCount = Manifold.PointCount;
if (newCount == 0 && oldCount > 0)
{
bodyA.WakeUp();
bodyB.WakeUp();
}
// Slow contacts don't generate TOI events.
if (bodyA.IsStatic() || bodyA.IsBullet() || bodyB.IsStatic() || bodyB.IsBullet())
{
Flags |= ContactFlag.ContinuousFlag;
}
else
{
Flags &= ~ContactFlag.ContinuousFlag;
}
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < Manifold.PointCount; ++i)
{
ManifoldPoint mp2 = Manifold.Points[i];
mp2.NormalImpulse = 0.0f;
mp2.TangentImpulse = 0.0f;
ContactID id2 = mp2.ID;
for (int j = 0; j < oldManifold.PointCount; ++j)
{
ManifoldPoint mp1 = oldManifold.Points[j];
if (mp1.ID.Key == id2.Key)
{
mp2.NormalImpulse = mp1.NormalImpulse;
mp2.TangentImpulse = mp1.TangentImpulse;
break;
}
}
}
if (newCount > 0)
{
Flags |= ContactFlag.TouchingFlag;
}
else
{
Flags &= ~ContactFlag.TouchingFlag;
}
if (oldCount == 0 && newCount > 0)
{
listener.BeginContact(this);
}
if (oldCount > 0 && newCount == 0)
{
listener.EndContact(this);
}
if ((Flags & ContactFlag.SensorFlag) == 0)
{
listener.PreSolve(this, oldManifold);
}
}
public void Update(ContactListener listener)
{
int oldCount = GetManifoldCount();
Evaluate(listener);
int newCount = GetManifoldCount();
Body body1 = _shape1.GetBody();
Body body2 = _shape2.GetBody();
if (newCount == 0 && oldCount > 0)
{
body1.WakeUp();
body2.WakeUp();
}
// Slow contacts don't generate TOI events.
if (body1.IsStatic() || body1.IsBullet() || body2.IsStatic() || body2.IsBullet())
{
_flags &= ~CollisionFlags.Slow;
}
else
{
_flags |= CollisionFlags.Slow;
}
}
/// <summary>
/// Construct a world object.
/// </summary>
/// <param name="worldAABB">A bounding box that completely encompasses all your shapes.</param>
/// <param name="gravity">The world gravity vector.</param>
/// <param name="doSleep">Improve performance by not simulating inactive bodies.</param>
public World(AABB worldAABB, Vec2 gravity, bool doSleep)
{
_destructionListener = null;
_boundaryListener = null;
_contactFilter = WorldCallback.DefaultFilter;
_contactListener = null;
_debugDraw = null;
_bodyList = null;
_contactList = null;
_jointList = null;
_bodyCount = 0;
_contactCount = 0;
_jointCount = 0;
_warmStarting = true;
_continuousPhysics = true;
_allowSleep = doSleep;
_gravity = gravity;
_lock = false;
_inv_dt0 = 0.0f;
_contactManager = new ContactManager();
_contactManager._world = this;
_broadPhase = new BroadPhase(worldAABB, _contactManager);
BodyDef bd = new BodyDef();
_groundBody = CreateBody(bd);
}
public void Update(ContactListener listener)
{
int manifoldCount = this.GetManifoldCount();
this.Evaluate(listener);
int manifoldCount2 = this.GetManifoldCount();
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
if (manifoldCount2 == 0 && manifoldCount > 0)
{
body.WakeUp();
body2.WakeUp();
}
if (body.IsStatic() || body.IsBullet() || body2.IsStatic() || body2.IsBullet())
{
this._flags &= ~Contact.CollisionFlags.Slow;
}
else
{
this._flags |= Contact.CollisionFlags.Slow;
}
}
public override void Evaluate(ContactListener listener)
{
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
Manifold manifold = this._manifold.Clone();
Collision.Collision.CollideCircles(ref this._manifold, (CircleShape)this._shape1, body.GetXForm(), (CircleShape)this._shape2, body2.GetXForm());
ContactPoint contactPoint = new ContactPoint();
contactPoint.Shape1 = this._shape1;
contactPoint.Shape2 = this._shape2;
contactPoint.Friction = Settings.MixFriction(this._shape1.Friction, this._shape2.Friction);
contactPoint.Restitution = Settings.MixRestitution(this._shape1.Restitution, this._shape2.Restitution);
if (this._manifold.PointCount > 0)
{
this._manifoldCount = 1;
ManifoldPoint manifoldPoint = this._manifold.Points[0];
if (manifold.PointCount == 0)
{
manifoldPoint.NormalImpulse = 0f;
manifoldPoint.TangentImpulse = 0f;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = manifoldPoint.ID;
listener.Add(contactPoint);
}
}
else
{
ManifoldPoint manifoldPoint2 = manifold.Points[0];
manifoldPoint.NormalImpulse = manifoldPoint2.NormalImpulse;
manifoldPoint.TangentImpulse = manifoldPoint2.TangentImpulse;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = manifoldPoint.ID;
listener.Persist(contactPoint);
}
}
}
else
{
this._manifoldCount = 0;
if (manifold.PointCount > 0 && listener != null)
{
ManifoldPoint manifoldPoint2 = manifold.Points[0];
contactPoint.Position = body.GetWorldPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = manifold.Normal;
contactPoint.Separation = manifoldPoint2.Separation;
contactPoint.ID = manifoldPoint2.ID;
listener.Remove(contactPoint);
}
}
}
public override void Evaluate(ContactListener listener)
{
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
Manifold manifold = this._manifold.Clone();
Collision.Collision.CollidePolygons(ref this._manifold, (PolygonShape)this._shape1, body.GetXForm(), (PolygonShape)this._shape2, body2.GetXForm());
bool[] array = new bool[2];
bool[] array2 = array;
ContactPoint contactPoint = new ContactPoint();
contactPoint.Shape1 = this._shape1;
contactPoint.Shape2 = this._shape2;
contactPoint.Friction = Settings.MixFriction(this._shape1.Friction, this._shape2.Friction);
contactPoint.Restitution = Settings.MixRestitution(this._shape1.Restitution, this._shape2.Restitution);
if (this._manifold.PointCount > 0)
{
for (int i = 0; i < this._manifold.PointCount; i++)
{
ManifoldPoint manifoldPoint = this._manifold.Points[i];
manifoldPoint.NormalImpulse = 0f;
manifoldPoint.TangentImpulse = 0f;
bool flag = false;
ContactID iD = manifoldPoint.ID;
for (int j = 0; j < manifold.PointCount; j++)
{
if (!array2[j])
{
ManifoldPoint manifoldPoint2 = manifold.Points[j];
if (manifoldPoint2.ID.Key == iD.Key)
{
array2[j] = true;
manifoldPoint.NormalImpulse = manifoldPoint2.NormalImpulse;
manifoldPoint.TangentImpulse = manifoldPoint2.TangentImpulse;
flag = true;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = iD;
listener.Persist(contactPoint);
}
break;
}
}
}
if (!flag && listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = iD;
listener.Add(contactPoint);
}
}
this._manifoldCount = 1;
}
else
{
this._manifoldCount = 0;
}
if (listener != null)
{
for (int i = 0; i < manifold.PointCount; i++)
{
if (!array2[i])
{
ManifoldPoint manifoldPoint2 = manifold.Points[i];
contactPoint.Position = body.GetWorldPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = manifold.Normal;
contactPoint.Separation = manifoldPoint2.Separation;
contactPoint.ID = manifoldPoint2.ID;
listener.Remove(contactPoint);
}
}
}
}
public override void Evaluate(ContactListener listener)
{
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
Manifold manifold = this._manifold.Clone();
Collision.Collision.CollideCircles(ref this._manifold, (CircleShape)this._shape1, body.GetXForm(), (CircleShape)this._shape2, body2.GetXForm());
ContactPoint contactPoint = new ContactPoint();
contactPoint.Shape1 = this._shape1;
contactPoint.Shape2 = this._shape2;
contactPoint.Friction = Settings.MixFriction(this._shape1.Friction, this._shape2.Friction);
contactPoint.Restitution = Settings.MixRestitution(this._shape1.Restitution, this._shape2.Restitution);
if (this._manifold.PointCount > 0)
{
this._manifoldCount = 1;
ManifoldPoint manifoldPoint = this._manifold.Points[0];
if (manifold.PointCount == 0)
{
manifoldPoint.NormalImpulse = 0f;
manifoldPoint.TangentImpulse = 0f;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = manifoldPoint.ID;
listener.Add(contactPoint);
}
}
else
{
ManifoldPoint manifoldPoint2 = manifold.Points[0];
manifoldPoint.NormalImpulse = manifoldPoint2.NormalImpulse;
manifoldPoint.TangentImpulse = manifoldPoint2.TangentImpulse;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = manifoldPoint.ID;
listener.Persist(contactPoint);
}
}
}
else
{
this._manifoldCount = 0;
if (manifold.PointCount > 0 && listener != null)
{
ManifoldPoint manifoldPoint2 = manifold.Points[0];
contactPoint.Position = body.GetWorldPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = manifold.Normal;
contactPoint.Separation = manifoldPoint2.Separation;
contactPoint.ID = manifoldPoint2.ID;
listener.Remove(contactPoint);
}
}
}
/// <summary>
/// Register a contact event listener
/// </summary>
/// <param name="listener"></param>
public void SetContactListener(ContactListener listener)
{
_contactManager._contactListener = listener;
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
BodyCapacity = bodyCapacity;
ContactCapacity = contactCapacity;
JointCapacity = jointCapacity;
BodyCount = 0;
ContactCount = 0;
JointCount = 0;
Listener = listener;
Bodies = new Body[bodyCapacity];
Contacts = new Contact[contactCapacity];
Joints = new Joint[jointCapacity];
Velocities = new Velocity[BodyCapacity];
Positions = new Position[BodyCapacity];
}
public override void Evaluate(ContactListener listener)
{
Body b1 = _shape1.GetBody();
Body b2 = _shape2.GetBody();
#warning "needfix"
//memcpy(&m0, &m_manifold, sizeof(b2Manifold));
Manifold m0 = _manifold.Clone();
Collision.Collision.CollideCircles(ref _manifold, (CircleShape)_shape1, b1.GetXForm(),
(CircleShape)_shape2, b2.GetXForm());
ContactPoint cp = new ContactPoint();
cp.Shape1 = _shape1;
cp.Shape2 = _shape2;
cp.Friction = Settings.MixFriction(_shape1.Friction, _shape2.Friction);
cp.Restitution = Settings.MixRestitution(_shape1.Restitution, _shape2.Restitution);
if (_manifold.PointCount > 0)
{
_manifoldCount = 1;
ManifoldPoint mp = _manifold.Points[0];
if (m0.PointCount == 0)
{
mp.NormalImpulse = 0.0f;
mp.TangentImpulse = 0.0f;
if (listener!=null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = mp.ID;
listener.Add(cp);
}
}
else
{
ManifoldPoint mp0 = m0.Points[0];
mp.NormalImpulse = mp0.NormalImpulse;
mp.TangentImpulse = mp0.TangentImpulse;
if (listener!=null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = mp.ID;
listener.Persist(cp);
}
}
}
else
{
_manifoldCount = 0;
if (m0.PointCount > 0 && listener!=null)
{
ManifoldPoint mp0 = m0.Points[0];
cp.Position = b1.GetWorldPoint(mp0.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp0.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp0.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = m0.Normal;
cp.Separation = mp0.Separation;
cp.ID = mp0.ID;
listener.Remove(cp);
}
}
}
public void Update(ContactListener listener)
{
//Note: Manifold is a class, not a struct. It will reference the old manifest, not copy it - DONE
Manifold oldManifold = new Manifold();
oldManifold.LocalPlaneNormal = Manifold.LocalPlaneNormal;
oldManifold.LocalPoint = Manifold.LocalPoint;
oldManifold.PointCount = Manifold.PointCount;
oldManifold.Points = Manifold.Points;
oldManifold.Type = Manifold.Type;
// Re-enable this contact.
Flags &= ~ContactFlag.DisabledFlag;
if (Collision.Collision.TestOverlap(_fixtureA.Aabb, _fixtureB.Aabb))
{
Evaluate();
}
else
{
Manifold.PointCount = 0;
}
Body bodyA = _fixtureA.GetBody();
Body bodyB = _fixtureB.GetBody();
int oldCount = oldManifold.PointCount;
int newCount = Manifold.PointCount;
if (newCount == 0 && oldCount > 0)
{
bodyA.WakeUp();
bodyB.WakeUp();
}
// Slow contacts don't generate TOI events.
if (bodyA.IsStatic() || bodyA.IsBullet() || bodyB.IsStatic() || bodyB.IsBullet())
{
Flags |= ContactFlag.ContinuousFlag;
}
else
{
Flags &= ~ContactFlag.ContinuousFlag;
}
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < Manifold.PointCount; ++i)
{
ManifoldPoint mp2 = Manifold.Points[i];
mp2.NormalImpulse = 0.0f;
mp2.TangentImpulse = 0.0f;
ContactID id2 = mp2.ID;
for (int j = 0; j < oldManifold.PointCount; ++j)
{
ManifoldPoint mp1 = oldManifold.Points[j];
if (mp1.ID.Key == id2.Key)
{
mp2.NormalImpulse = mp1.NormalImpulse;
mp2.TangentImpulse = mp1.TangentImpulse;
break;
}
}
}
if (newCount > 0)
{
Flags |= ContactFlag.TouchingFlag;
}
else
{
Flags &= ~ContactFlag.TouchingFlag;
}
if (oldCount == 0 && newCount > 0)
{
listener.BeginContact(this);
}
if (oldCount > 0 && newCount == 0)
{
listener.EndContact(this);
}
if ((Flags & ContactFlag.SensorFlag) == 0)
{
listener.PreSolve(this, oldManifold);
}
}
public abstract void Evaluate(ContactListener listener);
public override void Evaluate(ContactListener listener)
{
Body b1 = _shape1.GetBody();
Body b2 = _shape2.GetBody();
#warning "needfix"
//memcpy(&m0, &m_manifold, sizeof(b2Manifold));
Manifold m0 = _manifold.Clone();
Collision.Collision.CollideCircles(ref _manifold, (CircleShape)_shape1, b1.GetXForm(),
(CircleShape)_shape2, b2.GetXForm());
ContactPoint cp = new ContactPoint();
cp.Shape1 = _shape1;
cp.Shape2 = _shape2;
cp.Friction = Settings.MixFriction(_shape1.Friction, _shape2.Friction);
cp.Restitution = Settings.MixRestitution(_shape1.Restitution, _shape2.Restitution);
if (_manifold.PointCount > 0)
{
_manifoldCount = 1;
ManifoldPoint mp = _manifold.Points[0];
if (m0.PointCount == 0)
{
mp.NormalImpulse = 0.0f;
mp.TangentImpulse = 0.0f;
if (listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = mp.ID;
listener.Add(cp);
}
}
else
{
ManifoldPoint mp0 = m0.Points[0];
mp.NormalImpulse = mp0.NormalImpulse;
mp.TangentImpulse = mp0.TangentImpulse;
if (listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = mp.ID;
listener.Persist(cp);
}
}
}
else
{
_manifoldCount = 0;
if (m0.PointCount > 0 && listener != null)
{
ManifoldPoint mp0 = m0.Points[0];
cp.Position = b1.GetWorldPoint(mp0.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp0.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp0.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = m0.Normal;
cp.Separation = mp0.Separation;
cp.ID = mp0.ID;
listener.Remove(cp);
}
}
}
public abstract void Evaluate(ContactListener listener);
public override void Evaluate(ContactListener listener)
{
}
public override void Evaluate(ContactListener listener) { }
public override void Evaluate(ContactListener listener)
{
Body b1 = _shape1.GetBody();
Body b2 = _shape2.GetBody();
#warning "needfix"
//memcpy(&m0, &m_manifold, sizeof(b2Manifold));
Manifold m0 = _manifold.Clone();
Collision.Collision.CollidePolygons(ref _manifold, (PolygonShape)_shape1, b1.GetXForm(),
(PolygonShape)_shape2, b2.GetXForm());
bool[] persisted = new bool[] { false, false };
ContactPoint cp = new ContactPoint();
cp.Shape1 = _shape1;
cp.Shape2 = _shape2;
cp.Friction = Settings.MixFriction(_shape1.Friction, _shape2.Friction);
cp.Restitution = Settings.MixRestitution(_shape1.Restitution, _shape2.Restitution);
// Match contact ids to facilitate warm starting.
if (_manifold.PointCount > 0)
{
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < _manifold.PointCount; ++i)
{
ManifoldPoint mp = _manifold.Points[i];
mp.NormalImpulse = 0.0f;
mp.TangentImpulse = 0.0f;
bool found = false;
ContactID id = mp.ID;
for (int j = 0; j < m0.PointCount; ++j)
{
if (persisted[j] == true)
{
continue;
}
ManifoldPoint mp0 = m0.Points[j];
if (mp0.ID.Key == id.Key)
{
persisted[j] = true;
mp.NormalImpulse = mp0.NormalImpulse;
mp.TangentImpulse = mp0.TangentImpulse;
// A persistent point.
found = true;
// Report persistent point.
if (listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = id;
listener.Persist(cp);
}
break;
}
}
// Report added point.
if (found == false && listener != null)
{
cp.Position = b1.GetWorldPoint(mp.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = _manifold.Normal;
cp.Separation = mp.Separation;
cp.ID = id;
listener.Add(cp);
}
}
_manifoldCount = 1;
}
else
{
_manifoldCount = 0;
}
if (listener == null)
{
return;
}
// Report removed points.
for (int i = 0; i < m0.PointCount; ++i)
{
if (persisted[i])
{
continue;
}
ManifoldPoint mp0 = m0.Points[i];
cp.Position = b1.GetWorldPoint(mp0.LocalPoint1);
Vec2 v1 = b1.GetLinearVelocityFromLocalPoint(mp0.LocalPoint1);
Vec2 v2 = b2.GetLinearVelocityFromLocalPoint(mp0.LocalPoint2);
cp.Velocity = v2 - v1;
cp.Normal = m0.Normal;
cp.Separation = mp0.Separation;
cp.ID = mp0.ID;
listener.Remove(cp);
}
}
public override void Evaluate(ContactListener listener)
{
Body body = this._shape1.GetBody();
Body body2 = this._shape2.GetBody();
Manifold manifold = this._manifold.Clone();
Collision.Collision.CollidePolygonAndCircle(ref this._manifold, (PolygonShape)this._shape1, body.GetXForm(), (CircleShape)this._shape2, body2.GetXForm());
bool[] array = new bool[2];
bool[] array2 = array;
ContactPoint contactPoint = new ContactPoint();
contactPoint.Shape1 = this._shape1;
contactPoint.Shape2 = this._shape2;
contactPoint.Friction = Settings.MixFriction(this._shape1.Friction, this._shape2.Friction);
contactPoint.Restitution = Settings.MixRestitution(this._shape1.Restitution, this._shape2.Restitution);
if (this._manifold.PointCount > 0)
{
for (int i = 0; i < this._manifold.PointCount; i++)
{
ManifoldPoint manifoldPoint = this._manifold.Points[i];
manifoldPoint.NormalImpulse = 0f;
manifoldPoint.TangentImpulse = 0f;
bool flag = false;
ContactID iD = manifoldPoint.ID;
for (int j = 0; j < manifold.PointCount; j++)
{
if (!array2[j])
{
ManifoldPoint manifoldPoint2 = manifold.Points[j];
if (manifoldPoint2.ID.Key == iD.Key)
{
array2[j] = true;
manifoldPoint.NormalImpulse = manifoldPoint2.NormalImpulse;
manifoldPoint.TangentImpulse = manifoldPoint2.TangentImpulse;
flag = true;
if (listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = iD;
listener.Persist(contactPoint);
}
break;
}
}
}
if (!flag && listener != null)
{
contactPoint.Position = body.GetWorldPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = this._manifold.Normal;
contactPoint.Separation = manifoldPoint.Separation;
contactPoint.ID = iD;
listener.Add(contactPoint);
}
}
this._manifoldCount = 1;
}
else
{
this._manifoldCount = 0;
}
if (listener != null)
{
for (int i = 0; i < manifold.PointCount; i++)
{
if (!array2[i])
{
ManifoldPoint manifoldPoint2 = manifold.Points[i];
contactPoint.Position = body.GetWorldPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint = body.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint1);
Vec2 linearVelocityFromLocalPoint2 = body2.GetLinearVelocityFromLocalPoint(manifoldPoint2.LocalPoint2);
contactPoint.Velocity = linearVelocityFromLocalPoint2 - linearVelocityFromLocalPoint;
contactPoint.Normal = manifold.Normal;
contactPoint.Separation = manifoldPoint2.Separation;
contactPoint.ID = manifoldPoint2.ID;
listener.Remove(contactPoint);
}
}
}
}
public Island(int bodyCapacity, int contactCapacity, int jointCapacity, ContactListener listener)
{
_bodyCapacity = bodyCapacity;
_contactCapacity = contactCapacity;
_jointCapacity = jointCapacity;
_bodyCount = 0;
_contactCount = 0;
_jointCount = 0;
_listener = listener;
_bodies = new Body[bodyCapacity];
_contacts = new Contact[contactCapacity];
_joints = new Joint[jointCapacity];
_velocities = new Velocity[_bodyCapacity];
_positions = new Position[_bodyCapacity];
}
/// <summary>
/// Register a contact event listener
/// </summary>
/// <param name="listener"></param>
public void SetContactListener(ContactListener listener)
{
_contactListener = listener;
}
public void Update(ContactListener listener)
{
Manifold oldManifold = _manifold.Clone();
Evaluate();
Body bodyA = _fixtureA.Body;
Body bodyB = _fixtureB.Body;
int oldCount = oldManifold.PointCount;
int newCount = _manifold.PointCount;
if (newCount == 0 && oldCount > 0)
{
bodyA.WakeUp();
bodyB.WakeUp();
}
// Slow contacts don't generate TOI events.
if (bodyA.IsStatic() || bodyA.IsBullet() || bodyB.IsStatic() || bodyB.IsBullet())
{
_flags &= ~CollisionFlags.Slow;
}
else
{
_flags |= CollisionFlags.Slow;
}
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < _manifold.PointCount; ++i)
{
ManifoldPoint mp2 = _manifold.Points[i];
mp2.NormalImpulse = 0.0f;
mp2.TangentImpulse = 0.0f;
ContactID id2 = mp2.ID;
for (int j = 0; j < oldManifold.PointCount; ++j)
{
ManifoldPoint mp1 = oldManifold.Points[j];
if (mp1.ID.Key == id2.Key)
{
mp2.NormalImpulse = mp1.NormalImpulse;
mp2.TangentImpulse = mp1.TangentImpulse;
break;
}
}
}
if (oldCount == 0 && newCount > 0)
{
_flags |= CollisionFlags.Touch;
if (listener != null)
{
listener.BeginContact(this);
}
}
if (oldCount > 0 && newCount == 0)
{
_flags &= ~CollisionFlags.Touch;
if (listener != null)
{
listener.EndContact(this);
}
}
if ((_flags & CollisionFlags.NonSolid) == 0)
{
if (listener != null)
{
listener.PreSolve(this, oldManifold);
}
// The user may have disabled contact.
if (_manifold.PointCount == 0)
{
_flags &= ~CollisionFlags.Touch;
}
}
}
public void Update(ContactListener listener)
{
Manifold oldManifold = _manifold.Clone();
Evaluate();
Body bodyA = _fixtureA.Body;
Body bodyB = _fixtureB.Body;
int oldCount = oldManifold.PointCount;
int newCount = _manifold.PointCount;
if (newCount == 0 && oldCount > 0)
{
bodyA.WakeUp();
bodyB.WakeUp();
}
// Slow contacts don't generate TOI events.
if (bodyA.IsStatic() || bodyA.IsBullet() || bodyB.IsStatic() || bodyB.IsBullet())
{
_flags &= ~CollisionFlags.Slow;
}
else
{
_flags |= CollisionFlags.Slow;
}
// Match old contact ids to new contact ids and copy the
// stored impulses to warm start the solver.
for (int i = 0; i < _manifold.PointCount; ++i)
{
ManifoldPoint mp2 = _manifold.Points[i];
mp2.NormalImpulse = 0.0f;
mp2.TangentImpulse = 0.0f;
ContactID id2 = mp2.ID;
for (int j = 0; j < oldManifold.PointCount; ++j)
{
ManifoldPoint mp1 = oldManifold.Points[j];
if (mp1.ID.Key == id2.Key)
{
mp2.NormalImpulse = mp1.NormalImpulse;
mp2.TangentImpulse = mp1.TangentImpulse;
break;
}
}
}
if (oldCount == 0 && newCount > 0)
{
_flags |= CollisionFlags.Touch;
if(listener!=null)
listener.BeginContact(this);
}
if (oldCount > 0 && newCount == 0)
{
_flags &= ~CollisionFlags.Touch;
if (listener != null)
listener.EndContact(this);
}
if ((_flags & CollisionFlags.NonSolid) == 0)
{
if (listener != null)
listener.PreSolve(this, oldManifold);
// The user may have disabled contact.
if (_manifold.PointCount == 0)
{
_flags &= ~CollisionFlags.Touch;
}
}
}
