123 lines
4.7 KiB
C#
123 lines
4.7 KiB
C#
using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using System;
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namespace Obi
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{
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[Serializable]
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public class ObiBendConstraintsBatch : ObiConstraintsBatch
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{
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protected IBendConstraintsBatchImpl m_BatchImpl;
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/// <summary>
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/// one float per constraint: the rest bend distance.
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/// </summary>
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[HideInInspector] public ObiNativeFloatList restBends = new ObiNativeFloatList();
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/// <summary>
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/// two floats per constraint: max bending and compliance.
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/// </summary>
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[HideInInspector] public ObiNativeVector2List bendingStiffnesses = new ObiNativeVector2List();
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/// <summary>
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/// two floats per constraint: plastic yield and creep.
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/// </summary>
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[HideInInspector] public ObiNativeVector2List plasticity = new ObiNativeVector2List();
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public override Oni.ConstraintType constraintType
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{
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get { return Oni.ConstraintType.Bending; }
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}
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public override IConstraintsBatchImpl implementation
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{
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get { return m_BatchImpl; }
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}
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public ObiBendConstraintsBatch(ObiBendConstraintsData constraints = null) : base()
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{
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}
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public override void Merge(ObiActor actor, IObiConstraintsBatch other)
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{
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var batch = other as ObiBendConstraintsBatch;
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var user = actor as IBendConstraintsUser;
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if (batch != null && user != null)
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{
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if (!user.bendConstraintsEnabled)
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return;
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particleIndices.ResizeUninitialized((m_ActiveConstraintCount + batch.activeConstraintCount) * 3);
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restBends.ResizeUninitialized(m_ActiveConstraintCount + batch.activeConstraintCount);
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bendingStiffnesses.ResizeUninitialized(m_ActiveConstraintCount + batch.activeConstraintCount);
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plasticity.ResizeUninitialized(m_ActiveConstraintCount + batch.activeConstraintCount);
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lambdas.ResizeInitialized(m_ActiveConstraintCount + batch.activeConstraintCount);
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restBends.CopyFrom(batch.restBends, 0, m_ActiveConstraintCount, batch.activeConstraintCount);
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bendingStiffnesses.CopyReplicate(new Vector2(user.maxBending, user.bendCompliance), m_ActiveConstraintCount, batch.activeConstraintCount);
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plasticity.CopyReplicate(new Vector2(user.plasticYield, user.plasticCreep), m_ActiveConstraintCount, batch.activeConstraintCount);
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for (int i = 0; i < batch.activeConstraintCount * 3; ++i)
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particleIndices[m_ActiveConstraintCount * 3 + i] = actor.solverIndices[batch.particleIndices[i]];
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base.Merge(actor, other);
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}
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}
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public void AddConstraint(Vector3Int indices, float restBend)
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{
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RegisterConstraint();
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particleIndices.Add(indices[0]);
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particleIndices.Add(indices[1]);
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particleIndices.Add(indices[2]);
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restBends.Add(restBend);
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bendingStiffnesses.Add(Vector2.zero);
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plasticity.Add(Vector2.zero);
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}
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public override void Clear()
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{
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base.Clear();
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restBends.Clear();
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bendingStiffnesses.Clear();
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plasticity.Clear();
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}
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public override void GetParticlesInvolved(int index, List<int> particles)
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{
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particles.Add(particleIndices[index * 3]);
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particles.Add(particleIndices[index * 3 + 1]);
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particles.Add(particleIndices[index * 3 + 2]);
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}
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protected override void SwapConstraints(int sourceIndex, int destIndex)
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{
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particleIndices.Swap(sourceIndex * 3, destIndex * 3);
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particleIndices.Swap(sourceIndex * 3 + 1 , destIndex * 3 + 1);
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particleIndices.Swap(sourceIndex * 3 + 2, destIndex * 3 + 2);
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restBends.Swap(sourceIndex, destIndex);
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bendingStiffnesses.Swap(sourceIndex, destIndex);
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plasticity.Swap(sourceIndex, destIndex);
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}
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public override void AddToSolver(ObiSolver solver)
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{
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// Create distance constraints batch directly.
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m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IBendConstraintsBatchImpl;
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if (m_BatchImpl != null)
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m_BatchImpl.SetBendConstraints(particleIndices, restBends, bendingStiffnesses, plasticity, lambdas, m_ActiveConstraintCount);
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}
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public override void RemoveFromSolver(ObiSolver solver)
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{
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//Remove batch:
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solver.implementation.DestroyConstraintsBatch(m_BatchImpl as IConstraintsBatchImpl);
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}
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}
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}
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