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升级obi

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This commit is contained in:
BobSong
2026-01-22 22:08:21 +08:00
parent 120b8cda26
commit 20f14322bc
1067 changed files with 149894 additions and 29583 deletions
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69
Assets/Obi/Scripts/RopeAndRod/Blueprints/ObiBoneBlueprint.cs
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@@ -20,6 +20,8 @@ namespace Obi
[HideInInspector] public List<int> parentIndices = new List<int>();
[HideInInspector] public List<float> normalizedLengths = new List<float>();
[HideInInspector] public int[] deformableEdges = null; /**< Indices of deformable edges (2 per edge)*/
[HideInInspector] [NonSerialized] public List<ObiBone.IgnoredBone> ignored;
[HideInInspector] [NonSerialized] public ObiBone.BonePropertyCurve mass;
[HideInInspector] [NonSerialized] public ObiBone.BonePropertyCurve rotationalMass;
@@ -38,6 +40,24 @@ namespace Obi
return null;
}
public ObiBoneOverride GetOverride(int particleIndex, out float normalizedLength)
{
int overrideIndex = particleIndex;
normalizedLength = normalizedLengths[overrideIndex];
while (overrideIndex >= 0)
{
if (transforms[overrideIndex].TryGetComponent(out ObiBoneOverride over))
{
normalizedLength = 1 - (1 - normalizedLengths[particleIndex]) / Mathf.Max(ObiUtils.epsilon,1 - normalizedLengths[overrideIndex]);
return over;
}
overrideIndex = parentIndices[overrideIndex];
}
return null;
}
protected override IEnumerator Initialize()
{
ClearParticleGroups();
@@ -164,12 +184,21 @@ namespace Obi
filters[i] = ObiUtils.MakeFilter(ObiUtils.CollideWithEverything, 0);
colors[i] = Color.white;
var group = ScriptableObject.CreateInstance<ObiParticleGroup>();
group.SetSourceBlueprint(this);
group.name = transforms[i].name;
group.particleIndices.Add(i);
groups.Add(group);
if (i % 100 == 0)
yield return new CoroutineJob.ProgressInfo("ObiRod: generating particles...", i / (float)m_ActiveParticleCount);
}
colorizer = new GraphColoring(m_ActiveParticleCount);
// Deformable edges:
CreateDeformableEdges();
// Create edge simplices:
CreateSimplices();
@@ -185,9 +214,23 @@ namespace Obi
IEnumerator sc = CreateSkinConstraints(particlePositions);
while (sc.MoveNext()) yield return sc.Current;
// Create aerodynamic constraints:
IEnumerator ac = CreateAerodynamicConstraints();
while (ac.MoveNext()) yield return ac.Current;
yield return new CoroutineJob.ProgressInfo("ObiBone: complete", 1);
}
protected void CreateDeformableEdges()
{
deformableEdges = new int[(parentIndices.Count - 1) * 2];
for (int i = 0; i < parentIndices.Count - 1; ++i)
{
deformableEdges[i * 2] = i + 1;
deformableEdges[i * 2 + 1] = parentIndices[i + 1];
}
}
protected void CreateSimplices()
{
edges = new int[(parentIndices.Count - 1) * 2];
@@ -198,9 +241,29 @@ namespace Obi
}
}
protected virtual IEnumerator CreateAerodynamicConstraints()
{
aerodynamicConstraintsData = new ObiAerodynamicConstraintsData();
var aeroBatch = new ObiAerodynamicConstraintsBatch();
aerodynamicConstraintsData.AddBatch(aeroBatch);
for (int i = 0; i < m_ActiveParticleCount; i++)
{
aeroBatch.AddConstraint(i, 2 * principalRadii[i].x, 1, 1);
if (i % 500 == 0)
yield return new CoroutineJob.ProgressInfo("ObiRope generating aerodynamic constraints...", i / (float)m_ActiveParticleCount);
}
// Set initial amount of active constraints:
for (int i = 0; i < aerodynamicConstraintsData.batches.Count; ++i)
{
aerodynamicConstraintsData.batches[i].activeConstraintCount = m_ActiveParticleCount;
}
}
protected virtual IEnumerator CreateStretchShearConstraints(List<Vector3> particlePositions)
{
colorizer.Clear();
for (int i = 1; i < particlePositions.Count; ++i)
@@ -228,7 +291,7 @@ namespace Obi
int cIndex = constraintIndices[i];
// Add a new batch if needed:
if (color >= stretchShearConstraintsData.GetBatchCount())
if (color >= stretchShearConstraintsData.batchCount)
stretchShearConstraintsData.AddBatch(new ObiStretchShearConstraintsBatch());
int index1 = particleIndices[cIndex];
@@ -274,7 +337,7 @@ namespace Obi
int cIndex = constraintIndices[i];
// Add a new batch if needed:
if (color >= bendTwistConstraintsData.GetBatchCount())
if (color >= bendTwistConstraintsData.batchCount)
bendTwistConstraintsData.AddBatch(new ObiBendTwistConstraintsBatch());
int index1 = particleIndices[cIndex];

13
Assets/Obi/Scripts/RopeAndRod/Blueprints/ObiRodBlueprint.cs
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@@ -127,6 +127,9 @@ namespace Obi
yield return new CoroutineJob.ProgressInfo("ObiRod: generating particles...", i / (float)m_ActiveParticleCount);
}
// Deformable edges:
CreateDeformableEdges(numSegments);
// Create edge simplices:
CreateSimplices(numSegments);
@@ -142,6 +145,12 @@ namespace Obi
while (bc.MoveNext())
yield return bc.Current;
// Create aerodynamic constraints:
IEnumerator ac = CreateAerodynamicConstraints();
while (ac.MoveNext())
yield return ac.Current;
// Create chain constraints:
IEnumerator cc = CreateChainConstraints();
@@ -150,7 +159,6 @@ namespace Obi
}
protected virtual IEnumerator CreateStretchShearConstraints(List<Vector3> particleNormals)
{
stretchShearConstraintsData = new ObiStretchShearConstraintsData();
@@ -159,8 +167,7 @@ namespace Obi
stretchShearConstraintsData.AddBatch(new ObiStretchShearConstraintsBatch());
// rotation minimizing frame:
ObiPathFrame frame = new ObiPathFrame();
frame.Reset();
ObiPathFrame frame = ObiPathFrame.Identity;
for (int i = 0; i < totalParticles - 1; i++)
{

12
Assets/Obi/Scripts/RopeAndRod/Blueprints/ObiRopeBlueprint.cs
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@@ -10,7 +10,6 @@ namespace Obi
[CreateAssetMenu(fileName = "rope blueprint", menuName = "Obi/Rope Blueprint", order = 140)]
public class ObiRopeBlueprint : ObiRopeBlueprintBase
{
public int pooledParticles = 100;
public const float DEFAULT_PARTICLE_MASS = 0.1f;
@@ -113,6 +112,9 @@ namespace Obi
yield return new CoroutineJob.ProgressInfo("ObiRope: generating particles...", i / (float)m_ActiveParticleCount);
}
// Deformable edges:
CreateDeformableEdges(numSegments);
// Create edge simplices:
CreateSimplices(numSegments);
@@ -128,6 +130,12 @@ namespace Obi
while (bc.MoveNext())
yield return bc.Current;
// Create aerodynamic constraints:
IEnumerator ac = CreateAerodynamicConstraints();
while (ac.MoveNext())
yield return ac.Current;
// Recalculate rest length:
m_RestLength = 0;
foreach (float length in restLengths)
@@ -193,7 +201,7 @@ namespace Obi
var batch = bendConstraintsData.batches[i % 3] as ObiBendConstraintsBatch;
Vector3Int indices = new Vector3Int(i, i + 2, i + 1);
float restBend = ObiUtils.RestBendingConstraint(restPositions[indices[0]], restPositions[indices[1]], restPositions[indices[2]]);
float restBend = 0;//ObiUtils.RestBendingConstraint(restPositions[indices[0]], restPositions[indices[1]], restPositions[indices[2]]);
batch.AddConstraint(indices, restBend);
if (i < m_ActiveParticleCount - 2)

36
Assets/Obi/Scripts/RopeAndRod/Blueprints/ObiRopeBlueprintBase.cs
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@@ -19,6 +19,7 @@ namespace Obi
[HideInInspector] [SerializeField] protected int totalParticles;
[HideInInspector] [SerializeField] protected float m_RestLength;
[HideInInspector] public int[] deformableEdges = null; /**< Indices of deformable edges (2 per edge)*/
[HideInInspector] public float[] restLengths;
public float interParticleDistance
@@ -62,13 +63,44 @@ namespace Obi
RemoveParticleGroupAt(index);
}
protected virtual IEnumerator CreateAerodynamicConstraints()
{
aerodynamicConstraintsData = new ObiAerodynamicConstraintsData();
var aeroBatch = new ObiAerodynamicConstraintsBatch();
aerodynamicConstraintsData.AddBatch(aeroBatch);
for (int i = 0; i < totalParticles; i++)
{
aeroBatch.AddConstraint(i, 2 * principalRadii[i].x, 1, 1);
if (i % 500 == 0)
yield return new CoroutineJob.ProgressInfo("ObiRope generating aerodynamic constraints...", i / (float)totalParticles);
}
// Set initial amount of active constraints:
for (int i = 0; i < aerodynamicConstraintsData.batches.Count; ++i)
{
aerodynamicConstraintsData.batches[i].activeConstraintCount = m_ActiveParticleCount;
}
}
protected void CreateDeformableEdges(int numSegments)
{
deformableEdges = new int[numSegments * 2];
for (int i = 0; i < numSegments; ++i)
{
deformableEdges[i * 2] = i % activeParticleCount;
deformableEdges[i * 2 + 1] = (i + 1) % activeParticleCount;
}
}
protected void CreateSimplices(int numSegments)
{
edges = new int[numSegments * 2];
for (int i = 0; i < numSegments; ++i)
{
edges[i * 2] = i % totalParticles;
edges[i * 2 + 1] = (i + 1) % totalParticles;
edges[i * 2] = i % activeParticleCount;
edges[i * 2 + 1] = (i + 1) % activeParticleCount;
}
}