private void UpdateDynamicAttachment(float stepTime)
{
if (enabled && m_AttachmentType == AttachmentType.Dynamic && m_Actor.isLoaded && isBound)
{
var solver = m_Actor.solver;
var blueprint = m_Actor.sourceBlueprint;
var actorConstraints = m_Actor.GetConstraintsByType(Oni.ConstraintType.Pin) as ObiConstraints <ObiPinConstraintsBatch>;
var solverConstraints = solver.GetConstraintsByType(Oni.ConstraintType.Pin) as ObiConstraints <ObiPinConstraintsBatch>;
if (actorConstraints != null && pinBatch != null)
{
// deactivate constraints over the break threshold.
int offset = actor.solverBatchOffsets[(int)Oni.ConstraintType.Pin][pinBatchIndex];
var solverBatch = solverConstraints.batches[pinBatchIndex];
float sqrTime = stepTime * stepTime;
for (int i = 0; i < pinBatch.activeConstraintCount; i++)
{
if (-solverBatch.lambdas[(offset + i) * 4 + 3] / sqrTime > pinBatch.breakThresholds[i])
{
pinBatch.DeactivateConstraint(i);
}
}
}
// constraints are recreated at the start of a step. if we recreate them constantly, when we arrive here there's no
m_Actor.SetConstraintsDirty(Oni.ConstraintType.Pin);
}
}
private void BreakDynamicAttachment(float stepTime)
{
if (enabled && m_AttachmentType == AttachmentType.Dynamic && m_Actor.isLoaded && isBound)
{
var solver = m_Actor.solver;
var actorConstraints = m_Actor.GetConstraintsByType(Oni.ConstraintType.Pin) as ObiConstraints <ObiPinConstraintsBatch>;
var solverConstraints = solver.GetConstraintsByType(Oni.ConstraintType.Pin) as ObiConstraints <ObiPinConstraintsBatch>;
bool dirty = false;
if (actorConstraints != null && pinBatch != null)
{
int pinBatchIndex = actorConstraints.batches.IndexOf(pinBatch);
if (pinBatchIndex >= 0)
{
int offset = actor.solverBatchOffsets[(int)Oni.ConstraintType.Pin][pinBatchIndex];
var solverBatch = solverConstraints.batches[pinBatchIndex];
float sqrTime = stepTime * stepTime;
for (int i = 0; i < pinBatch.activeConstraintCount; i++)
{
// In case the handle has been created/destroyed.
if (pinBatch.pinBodies[i] != attachedCollider.Handle)
{
pinBatch.pinBodies[i] = attachedCollider.Handle;
dirty = true;
}
// in case the constraint has been broken:
if (-solverBatch.lambdas[(offset + i) * 4 + 3] / sqrTime > pinBatch.breakThresholds[i])
{
pinBatch.DeactivateConstraint(i);
dirty = true;
}
}
}
}
// constraints are recreated at the start of a step.
if (dirty)
{
m_Actor.SetConstraintsDirty(Oni.ConstraintType.Pin);
}
}
}