private void CheckDeactivation()
{
// A body deactivation DOESN'T kill the contacts - they are stored in
// the arbitermap within the arbiters. So, waking up ist STABLE - old
// contacts are reused. Also the collisionislands build every frame (based
// on the contacts) keep the same.
for (int i = 0; i < islands.Count; i++)
{
CollisionIsland island = islands[i];
bool deactivateIsland = true;
// global allowdeactivation
if (!this.AllowDeactivation)
{
deactivateIsland = false;
}
else
{
foreach (RigidBody body in island.bodies)
{
// body allowdeactivation
if (body.AllowDeactivation && (body.angularVelocity.LengthSquared() < inactiveAngularThresholdSq &&
(body.linearVelocity.LengthSquared() < inactiveLinearThresholdSq)))
{
body.inactiveTime += timestep;
if (body.inactiveTime < deactivationTime)
{
deactivateIsland = false;
}
}
else
{
body.inactiveTime = 0.0f;
deactivateIsland = false;
}
}
}
foreach (RigidBody body in island.bodies)
{
if (body.isActive == deactivateIsland)
{
if (body.isActive)
{
body.IsActive = false;
events.RaiseDeactivatedBody(body);
}
else
{
body.IsActive = true;
events.RaiseActivatedBody(body);
}
}
}
}
}
private void CheckDeactivation()
{
if (!AllowDeactivation)
{
return;
}
// A body deactivation DOESN'T kill the contacts - they are stored in
// the arbitermap within the arbiters. So, waking up ist STABLE - old
// contacts are reused. Also the collisionislands build every frame (based
// on the contacts) keep the same.
foreach (CollisionIsland island in islands)
{
bool deactivateIsland = true;
// global allowdeactivation
if (!this.AllowDeactivation)
{
deactivateIsland = false;
}
else
{
for (int index = 0, length = island.bodies.Count; index < length; index++)
{
RigidBody body = island.bodies[index];
// body allowdeactivation
if (body.AllowDeactivation && (body.angularVelocity.sqrMagnitude < inactiveAngularThresholdSq &&
(body.linearVelocity.sqrMagnitude < inactiveLinearThresholdSq)))
{
body.inactiveTime += timestep;
if (body.inactiveTime < deactivationTime)
{
deactivateIsland = false;
}
}
else
{
body.inactiveTime = FP.Zero;
deactivateIsland = false;
}
}
}
for (int index = 0, length = island.bodies.Count; index < length; index++)
{
RigidBody body = island.bodies[index];
if (body.isActive == deactivateIsland)
{
if (body.isActive)
{
body.IsActive = false;
events.RaiseDeactivatedBody(body);
}
else
{
body.IsActive = true;
events.RaiseActivatedBody(body);
}
}
}
}
}