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This commit is contained in:
BobSong
2026-01-01 22:00:33 +08:00
parent 040a222bd6
commit 9ceffccd39
1800 changed files with 103929 additions and 139495 deletions
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34
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleCollisionConstraints.cs
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using System;
using UnityEngine;
namespace Obi
{
public class ComputeParticleCollisionConstraints : ComputeConstraintsImpl<ComputeParticleCollisionConstraintsBatch>
{
public ComputeShader constraintsShader;
public int initializeKernel;
public int projectKernel;
public int applyKernel;
public ComputeParticleCollisionConstraints(ComputeSolverImpl solver) : base(solver, Oni.ConstraintType.ParticleCollision)
{
constraintsShader = GameObject.Instantiate(Resources.Load<ComputeShader>("Compute/ParticleCollisionConstraints"));
initializeKernel = constraintsShader.FindKernel("Initialize");
projectKernel = constraintsShader.FindKernel("Project");
applyKernel = constraintsShader.FindKernel("Apply");
}
public override IConstraintsBatchImpl CreateConstraintsBatch()
{
var dataBatch = new ComputeParticleCollisionConstraintsBatch(this);
batches.Add(dataBatch);
return dataBatch;
}
public override void RemoveBatch(IConstraintsBatchImpl batch)
{
batches.Remove(batch as ComputeParticleCollisionConstraintsBatch);
batch.Destroy();
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleCollisionConstraints.cs.meta
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112
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleCollisionConstraintsBatch.cs
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using UnityEngine;
namespace Obi
{
public class ComputeParticleCollisionConstraintsBatch : ComputeConstraintsBatchImpl, IParticleCollisionConstraintsBatchImpl
{
public ComputeParticleCollisionConstraintsBatch(ComputeParticleCollisionConstraints constraints)
{
m_Constraints = constraints;
m_ConstraintType = Oni.ConstraintType.ParticleCollision;
}
public override void Initialize(float stepTime, float substepTime, int steps, float timeLeft)
{
var shader = ((ComputeParticleCollisionConstraints)m_Constraints).constraintsShader;
int initializeKernel = ((ComputeParticleCollisionConstraints)m_Constraints).initializeKernel;
if (solverImplementation.simplexCounts.simplexCount > 0)
{
shader.SetInt("pointCount", solverAbstraction.simplexCounts.pointCount);
shader.SetInt("edgeCount", solverAbstraction.simplexCounts.edgeCount);
shader.SetInt("triangleCount", solverAbstraction.simplexCounts.triangleCount);
shader.SetFloat("shockPropagation", solverAbstraction.parameters.shockPropagation);
shader.SetVector("gravity", solverAbstraction.parameters.gravity);
shader.SetBuffer(initializeKernel, "simplices", this.solverImplementation.simplices);
shader.SetBuffer(initializeKernel, "particleContacts", solverAbstraction.particleContacts.computeBuffer);
shader.SetBuffer(initializeKernel, "effectiveMasses", solverAbstraction.particleContactEffectiveMasses.computeBuffer);
shader.SetBuffer(initializeKernel, "dispatchBuffer", this.solverImplementation.particleGrid.dispatchBuffer);
shader.SetBuffer(initializeKernel, "collisionMaterials", this.solverImplementation.colliderGrid.materialsBuffer);
shader.SetBuffer(initializeKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(initializeKernel, "prevPositions", solverImplementation.prevPositionsBuffer);
shader.SetBuffer(initializeKernel, "orientations", solverImplementation.orientationsBuffer);
shader.SetBuffer(initializeKernel, "prevOrientations", solverImplementation.prevOrientationsBuffer);
shader.SetBuffer(initializeKernel, "principalRadii", solverImplementation.principalRadiiBuffer);
shader.SetBuffer(initializeKernel, "velocities", solverImplementation.velocitiesBuffer);
shader.SetBuffer(initializeKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(initializeKernel, "collisionMaterialIndices", solverImplementation.collisionMaterialIndexBuffer);
shader.SetBuffer(initializeKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(initializeKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(initializeKernel, "invRotationalMasses", solverImplementation.invMassesBuffer);
shader.SetFloat("substepTime", substepTime);
shader.DispatchIndirect(initializeKernel, this.solverImplementation.particleGrid.dispatchBuffer);
}
}
public override void Evaluate(float stepTime, float substepTime, int steps, float timeLeft)
{
if (solverImplementation.simplexCounts.simplexCount > 0)
{
var shader = ((ComputeParticleCollisionConstraints)m_Constraints).constraintsShader;
int projectKernel = ((ComputeParticleCollisionConstraints)m_Constraints).projectKernel;
shader.SetBuffer(projectKernel, "particleContacts", solverAbstraction.particleContacts.computeBuffer);
shader.SetBuffer(projectKernel, "effectiveMasses", solverAbstraction.particleContactEffectiveMasses.computeBuffer);
shader.SetBuffer(projectKernel, "dispatchBuffer", this.solverImplementation.particleGrid.dispatchBuffer);
shader.SetBuffer(projectKernel, "collisionMaterials", this.solverImplementation.colliderGrid.materialsBuffer);
shader.SetBuffer(projectKernel, "simplices", this.solverImplementation.simplices);
shader.SetBuffer(projectKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(projectKernel, "prevPositions", solverImplementation.prevPositionsBuffer);
shader.SetBuffer(projectKernel, "orientations", solverImplementation.orientationsBuffer);
shader.SetBuffer(projectKernel, "prevOrientations", solverImplementation.prevOrientationsBuffer);
shader.SetBuffer(projectKernel, "principalRadii", solverImplementation.principalRadiiBuffer);
shader.SetBuffer(projectKernel, "fluidInterface", solverImplementation.fluidInterfaceBuffer);
shader.SetBuffer(projectKernel, "userData", solverImplementation.userDataBuffer);
shader.SetBuffer(projectKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(projectKernel, "orientationConstraintCounts", solverImplementation.orientationConstraintCountBuffer);
shader.SetBuffer(projectKernel, "collisionMaterialIndices", solverImplementation.collisionMaterialIndexBuffer);
shader.SetBuffer(projectKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(projectKernel, "orientationDeltasAsInt", solverImplementation.orientationDeltasIntBuffer);
shader.SetBuffer(projectKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetFloat("maxDepenetration", solverAbstraction.parameters.maxDepenetration);
shader.SetFloat("collisionMargin", solverAbstraction.parameters.collisionMargin);
shader.SetVector("diffusionMask", solverAbstraction.parameters.diffusionMask);
shader.SetFloat("substepTime", substepTime);
shader.DispatchIndirect(projectKernel, this.solverImplementation.particleGrid.dispatchBuffer);
}
}
public override void Apply(float substepTime)
{
var shader = ((ComputeParticleCollisionConstraints)m_Constraints).constraintsShader;
int applyKernel = ((ComputeParticleCollisionConstraints)m_Constraints).applyKernel;
if (solverImplementation.activeParticleCount > 0)
{
var parameters = solverAbstraction.GetConstraintParameters(m_ConstraintType);
shader.SetBuffer(applyKernel, "particleIndices", this.solverImplementation.activeParticlesBuffer);
shader.SetBuffer(applyKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(applyKernel, "userData", solverImplementation.userDataBuffer);
shader.SetBuffer(applyKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(applyKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(applyKernel, "orientationConstraintCounts", solverImplementation.orientationConstraintCountBuffer);
shader.SetBuffer(applyKernel, "orientationDeltasAsInt", solverImplementation.orientationDeltasIntBuffer);
shader.SetInt("particleCount", this.solverAbstraction.activeParticleCount);
shader.SetFloat("sorFactor", parameters.SORFactor);
int threadGroups = ComputeMath.ThreadGroupCount(this.solverAbstraction.activeParticleCount, 128);
shader.Dispatch(applyKernel, threadGroups, 1, 1);
}
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleCollisionConstraintsBatch.cs.meta
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32
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleFrictionConstraints.cs
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using System;
using UnityEngine;
namespace Obi
{
public class ComputeParticleFrictionConstraints : ComputeConstraintsImpl<ComputeParticleFrictionConstraintsBatch>
{
public ComputeShader constraintsShader;
public int projectKernel;
public int applyKernel;
public ComputeParticleFrictionConstraints(ComputeSolverImpl solver) : base(solver, Oni.ConstraintType.ParticleFriction)
{
constraintsShader = GameObject.Instantiate(Resources.Load<ComputeShader>("Compute/ParticleFrictionConstraints"));
projectKernel = constraintsShader.FindKernel("Project");
applyKernel = constraintsShader.FindKernel("Apply");
}
public override IConstraintsBatchImpl CreateConstraintsBatch()
{
var dataBatch = new ComputeParticleFrictionConstraintsBatch(this);
batches.Add(dataBatch);
return dataBatch;
}
public override void RemoveBatch(IConstraintsBatchImpl batch)
{
batches.Remove(batch as ComputeParticleFrictionConstraintsBatch);
batch.Destroy();
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleFrictionConstraints.cs.meta
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@@ -1,11 +0,0 @@
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79
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleFrictionConstraintsBatch.cs
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using UnityEngine;
namespace Obi
{
public class ComputeParticleFrictionConstraintsBatch : ComputeConstraintsBatchImpl, IParticleCollisionConstraintsBatchImpl
{
public ComputeParticleFrictionConstraintsBatch(ComputeParticleFrictionConstraints constraints)
{
m_Constraints = constraints;
m_ConstraintType = Oni.ConstraintType.ParticleFriction;
}
public override void Evaluate(float stepTime, float substepTime, int steps, float timeLeft)
{
//if (m_ConstraintCount > 0)
if (solverImplementation.simplexCounts.simplexCount > 0 && solverImplementation.activeParticleCount > 0)
{
var shader = ((ComputeParticleFrictionConstraints)m_Constraints).constraintsShader;
int projectKernel = ((ComputeParticleFrictionConstraints)m_Constraints).projectKernel;
shader.SetInt("pointCount", solverAbstraction.simplexCounts.pointCount);
shader.SetInt("edgeCount", solverAbstraction.simplexCounts.edgeCount);
shader.SetInt("triangleCount", solverAbstraction.simplexCounts.triangleCount);
shader.SetBuffer(projectKernel, "particleContacts", solverAbstraction.particleContacts.computeBuffer);
shader.SetBuffer(projectKernel, "effectiveMasses", solverAbstraction.particleContactEffectiveMasses.computeBuffer);
shader.SetBuffer(projectKernel, "dispatchBuffer", solverImplementation.particleGrid.dispatchBuffer);
shader.SetBuffer(projectKernel, "collisionMaterials", solverImplementation.colliderGrid.materialsBuffer);
shader.SetBuffer(projectKernel, "simplices", solverImplementation.simplices);
shader.SetBuffer(projectKernel, "collisionMaterialIndices", solverImplementation.collisionMaterialIndexBuffer);
shader.SetBuffer(projectKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(projectKernel, "orientations", solverImplementation.orientationsBuffer);
shader.SetBuffer(projectKernel, "prevPositions", solverImplementation.prevPositionsBuffer);
shader.SetBuffer(projectKernel, "prevOrientations", solverImplementation.prevOrientationsBuffer);
shader.SetBuffer(projectKernel, "principalRadii", solverImplementation.principalRadiiBuffer);
shader.SetBuffer(projectKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(projectKernel, "invRotationalMasses", solverImplementation.invRotationalMassesBuffer);
shader.SetBuffer(projectKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(projectKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(projectKernel, "orientationConstraintCounts", solverImplementation.orientationConstraintCountBuffer);
shader.SetBuffer(projectKernel, "orientationDeltasAsInt", solverImplementation.orientationDeltasIntBuffer);
shader.SetFloat("stepTime", stepTime);
shader.SetFloat("substepTime", substepTime);
shader.DispatchIndirect(projectKernel, this.solverImplementation.particleGrid.dispatchBuffer);
}
}
public override void Apply(float substepTime)
{
var shader = ((ComputeParticleFrictionConstraints)m_Constraints).constraintsShader;
int applyKernel = ((ComputeParticleFrictionConstraints)m_Constraints).applyKernel;
if (solverImplementation.activeParticleCount > 0)
{
var parameters = solverAbstraction.GetConstraintParameters(m_ConstraintType);
shader.SetBuffer(applyKernel, "particleIndices", this.solverImplementation.activeParticlesBuffer);
shader.SetBuffer(applyKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(applyKernel, "orientations", solverImplementation.orientationsBuffer);
shader.SetBuffer(applyKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(applyKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(applyKernel, "orientationConstraintCounts", solverImplementation.orientationConstraintCountBuffer);
shader.SetBuffer(applyKernel, "orientationDeltasAsInt", solverImplementation.orientationDeltasIntBuffer);
shader.SetInt("particleCount", this.solverAbstraction.activeParticleCount);
shader.SetFloat("sorFactor", parameters.SORFactor);
int threadGroups = ComputeMath.ThreadGroupCount(this.solverAbstraction.activeParticleCount, 128);
shader.Dispatch(applyKernel, threadGroups, 1, 1);
}
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/ParticleCollision/ComputeParticleFrictionConstraintsBatch.cs.meta
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