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This commit is contained in:
BobSong
2025-11-10 00:08:26 +08:00
parent 4059c207c0
commit 76f80db694
2814 changed files with 436400 additions and 178 deletions
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30
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Aerodynamics/ComputeAerodynamicConstraints.cs Normal file
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using System;
using UnityEngine;
namespace Obi
{
public class ComputeAerodynamicConstraints : ComputeConstraintsImpl<ComputeAerodynamicConstraintsBatch>
{
public ComputeShader constraintsShader;
public int projectKernel;
public ComputeAerodynamicConstraints(ComputeSolverImpl solver) : base(solver, Oni.ConstraintType.Aerodynamics)
{
constraintsShader = GameObject.Instantiate(Resources.Load<ComputeShader>("Compute/AerodynamicConstraints"));
projectKernel = constraintsShader.FindKernel("Project");
}
public override IConstraintsBatchImpl CreateConstraintsBatch()
{
var dataBatch = new ComputeAerodynamicConstraintsBatch(this);
batches.Add(dataBatch);
return dataBatch;
}
public override void RemoveBatch(IConstraintsBatchImpl batch)
{
batches.Remove(batch as ComputeAerodynamicConstraintsBatch);
batch.Destroy();
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Aerodynamics/ComputeAerodynamicConstraints.cs.meta Normal file
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52
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Aerodynamics/ComputeAerodynamicConstraintsBatch.cs Normal file
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using UnityEngine;
namespace Obi
{
public class ComputeAerodynamicConstraintsBatch : ComputeConstraintsBatchImpl, IAerodynamicConstraintsBatchImpl
{
GraphicsBuffer aerodynamicCoeffs;
public ComputeAerodynamicConstraintsBatch(ComputeAerodynamicConstraints constraints)
{
m_Constraints = constraints;
m_ConstraintType = Oni.ConstraintType.Aerodynamics;
}
public void SetAerodynamicConstraints(ObiNativeIntList particleIndices, ObiNativeFloatList aerodynamicCoeffs, int count)
{
this.particleIndices = particleIndices.AsComputeBuffer<int>();
this.aerodynamicCoeffs = aerodynamicCoeffs.AsComputeBuffer<float>();
m_ConstraintCount = count;
}
public override void Evaluate(float stepTime, float substepTime, int steps, float timeLeft)
{
if (m_ConstraintCount > 0)
{
var shader = ((ComputeAerodynamicConstraints)m_Constraints).constraintsShader;
int projectKernel = ((ComputeAerodynamicConstraints)m_Constraints).projectKernel;
shader.SetBuffer(projectKernel, "particleIndices", particleIndices);
shader.SetBuffer(projectKernel, "aerodynamicCoeffs", aerodynamicCoeffs);
shader.SetBuffer(projectKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(projectKernel, "normals", solverImplementation.normalsBuffer);
shader.SetBuffer(projectKernel, "wind", solverImplementation.windBuffer);
shader.SetBuffer(projectKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(projectKernel, "velocities", solverImplementation.velocitiesBuffer);
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)
{
}
}
}

11
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Aerodynamics/ComputeAerodynamicConstraintsBatch.cs.meta Normal file
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