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

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Tether/ComputeTetherConstraints.cs.meta
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@@ -1,11 +0,0 @@
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75
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Tether/ComputeTetherConstraintsBatch.cs
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@@ -1,75 +0,0 @@
using UnityEngine;
namespace Obi
{
public class ComputeTetherConstraintsBatch : ComputeConstraintsBatchImpl, ITetherConstraintsBatchImpl
{
GraphicsBuffer maxLengthScale;
GraphicsBuffer stiffnesses;
public ComputeTetherConstraintsBatch(ComputeTetherConstraints constraints)
{
m_Constraints = constraints;
m_ConstraintType = Oni.ConstraintType.Tether;
}
public void SetTetherConstraints(ObiNativeIntList particleIndices, ObiNativeVector2List maxLengthScale, ObiNativeFloatList stiffnesses, ObiNativeFloatList lambdas, int count)
{
this.particleIndices = particleIndices.AsComputeBuffer<int>();
this.maxLengthScale = maxLengthScale.AsComputeBuffer<Vector2>();
this.stiffnesses = stiffnesses.AsComputeBuffer<float>();
this.lambdas = lambdas.AsComputeBuffer<float>();
this.lambdasList = lambdas;
m_ConstraintCount = count;
}
public override void Evaluate(float stepTime, float substepTime, int steps, float timeLeft)
{
if (m_ConstraintCount > 0)
{
var shader = ((ComputeTetherConstraints)m_Constraints).constraintsShader;
int projectKernel = ((ComputeTetherConstraints)m_Constraints).projectKernel;
shader.SetBuffer(projectKernel, "particleIndices", particleIndices);
shader.SetBuffer(projectKernel, "maxLengthScale", maxLengthScale);
shader.SetBuffer(projectKernel, "stiffnesses", stiffnesses);
shader.SetBuffer(projectKernel, "lambdas", lambdas);
shader.SetBuffer(projectKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(projectKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(projectKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(projectKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetInt("activeConstraintCount", m_ConstraintCount);
shader.SetFloat("deltaTime", substepTime);
int threadGroups = ComputeMath.ThreadGroupCount(m_ConstraintCount, 128);
shader.Dispatch(projectKernel, threadGroups, 1, 1);
}
}
public override void Apply(float substepTime)
{
if (m_ConstraintCount > 0)
{
var parameters = solverAbstraction.GetConstraintParameters(m_ConstraintType);
var shader = ((ComputeTetherConstraints)m_Constraints).constraintsShader;
int applyKernel = ((ComputeTetherConstraints)m_Constraints).applyKernel;
shader.SetBuffer(applyKernel, "particleIndices", particleIndices);
shader.SetBuffer(applyKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(applyKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(applyKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetInt("activeConstraintCount", m_ConstraintCount);
shader.SetFloat("sorFactor", parameters.SORFactor);
int threadGroups = ComputeMath.ThreadGroupCount(m_ConstraintCount, 128);
shader.Dispatch(applyKernel, threadGroups, 1, 1);
}
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Tether/ComputeTetherConstraintsBatch.cs.meta
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@@ -1,11 +0,0 @@
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