public IEnumerator Generate()
{
m_Empty = true;
m_ActiveParticleCount = 0;
distanceConstraintsData = null;
bendConstraintsData = null;
skinConstraintsData = null;
tetherConstraintsData = null;
bendTwistConstraintsData = null;
stretchShearConstraintsData = null;
shapeMatchingConstraintsData = null;
aerodynamicConstraintsData = null;
chainConstraintsData = null;
volumeConstraintsData = null;
points = null;
edges = null;
triangles = null;
IEnumerator g = Initialize();
while (g.MoveNext())
{
yield return(g.Current);
}
RecalculateBounds();
m_Empty = false;
m_InitialActiveParticleCount = m_ActiveParticleCount;
foreach (IObiConstraints constraints in GetConstraints())
{
for (int i = 0; i < constraints.GetBatchCount(); ++i)
{
constraints.GetBatch(i).initialActiveConstraintCount = constraints.GetBatch(i).activeConstraintCount;
}
}
#if UNITY_EDITOR
EditorUtility.SetDirty(this);
#endif
if (OnBlueprintGenerate != null)
{
OnBlueprintGenerate(this);
}
}
protected virtual IEnumerator CreateBendTwistConstraints()
{
bendTwistConstraintsData = new ObiBendTwistConstraintsData();
// Add two batches:
bendTwistConstraintsData.AddBatch(new ObiBendTwistConstraintsBatch());
bendTwistConstraintsData.AddBatch(new ObiBendTwistConstraintsBatch());
// the last bend constraint couples the last segment and a phantom segment past the last particle.
for (int i = 0; i < totalParticles - 1; i++)
{
var batch = bendTwistConstraintsData.batches[i % 2] as ObiBendTwistConstraintsBatch;
Vector2Int indices = new Vector2Int(i, i + 1);
Quaternion darboux = keepInitialShape ? ObiUtils.RestDarboux(orientations[indices.x], orientations[indices.y]) : Quaternion.identity;
batch.AddConstraint(indices, darboux);
batch.activeConstraintCount++;
if (i % 500 == 0)
{
yield return(new CoroutineJob.ProgressInfo("ObiRod: generating structural constraints...", i / (float)(totalParticles - 1)));
}
}
// if the path is closed, add the last, loop closing constraints to a new batch to avoid sharing particles.
if (path.Closed)
{
var loopClosingBatch = new ObiBendTwistConstraintsBatch();
bendTwistConstraintsData.AddBatch(loopClosingBatch);
Vector2Int indices = new Vector2Int(m_ActiveParticleCount - 1, 0);
Quaternion darboux = keepInitialShape ? ObiUtils.RestDarboux(orientations[indices.x], orientations[indices.y]) : Quaternion.identity;
loopClosingBatch.AddConstraint(indices, darboux);
loopClosingBatch.activeConstraintCount++;
}
}
public ObiBendTwistConstraintsData(ObiActor actor = null, ObiBendTwistConstraintsData source = null) : base(actor, source)
{
}
public ObiBendTwistConstraintsBatch(ObiBendTwistConstraintsData constraints = null) : base()
{
}
public ObiBendTwistConstraintsBatch(ObiBendTwistConstraintsData constraints = null, ObiBendTwistConstraintsBatch source = null) : base(source)
{
m_Constraints = constraints;
}