void OnEnable()
{
m_mesh = new Mesh();
m_mesh = PrimitiveMeshFactory.BoxFlatShaded();
m_spherePhase = 0.0f;
m_aSphere = new GameObject[kNumSpheres];
m_aSpherePrevPos = new Vector3[kNumSpheres];
m_aSphereVel = new Vector4[kNumSpheres];
for (int i = 0; i < kNumSpheres; ++i)
{
m_aSphere[i] = Instantiate(m_spherePrefab);
m_aSpherePrevPos[i] = Vector3.zero;
}
m_floor = Instantiate(m_floorPrefab);
int particleStride = sizeof(float) * 24;
m_computeBuffer = new ComputeBuffer(kNumParticles, particleStride);
uint[] instanceArgs = new uint[] { 0, 0, 0, 0, 0 };
m_instanceArgsBuffer = new ComputeBuffer(1, instanceArgs.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
instanceArgs[0] = (uint)m_mesh.GetIndexCount(0);
instanceArgs[1] = (uint)kNumParticles;
instanceArgs[2] = (uint)m_mesh.GetIndexStart(0);
instanceArgs[3] = (uint)m_mesh.GetBaseVertex(0);
m_instanceArgsBuffer.SetData(instanceArgs);
m_csInitKernelId = m_shader.FindKernel("Init");
m_csStepKernelId = m_shader.FindKernel("Step");
m_csParticleBufferId = Shader.PropertyToID("particleBuffer");
m_csScaleId = Shader.PropertyToID("scale");
m_csSpeedId = Shader.PropertyToID("speed");
m_csLifetimeId = Shader.PropertyToID("lifetime");
m_csNumParticlesId = Shader.PropertyToID("numParticles");
m_csTimeId = Shader.PropertyToID("time");
m_csDynamics = Shader.PropertyToID("dynamics");
m_csASphere = Shader.PropertyToID("aSphere");
m_csASphereVel = Shader.PropertyToID("aSphereVel");
m_csPlane = Shader.PropertyToID("plane");
m_material = new Material(Shader.Find("CjLib/Example/GpuParticlesWithColliders"));
m_material.enableInstancing = true;
m_material.SetBuffer(m_csParticleBufferId, m_computeBuffer);
m_materialProperties = new MaterialPropertyBlock();
m_shader.SetFloats(m_csScaleId, new float[] { 0.1f, 0.15f });
m_shader.SetFloats(m_csSpeedId, new float[] { 1.0f, 1.5f, 1.0f, 6.0f });
m_shader.SetFloats(m_csLifetimeId, new float[] { 0.1f, 3.0f, 3.0f, 0.1f });
m_shader.SetInt(m_csNumParticlesId, kNumParticles);
m_shader.SetBuffer(m_csInitKernelId, m_csParticleBufferId, m_computeBuffer);
m_shader.SetBuffer(m_csStepKernelId, m_csParticleBufferId, m_computeBuffer);
m_shader.Dispatch(m_csInitKernelId, kNumParticles, 1, 1);
}
//--------------------------------------- End of Property Block ------------------------------------//
void OnEnable()
{
m_mesh = new Mesh();
m_mesh = PrimitiveMeshFactory.SphereWireframe(20, 20);
m_controlSphere = Instantiate(m_controlSpherePrefab);
m_cSpherePrevPos = Vector3.zero;
int particleStride = sizeof(float) * 20 + sizeof(uint) * 3;
m_computeBuffer = new ComputeBuffer(kNumParticles, particleStride);
int gridSize = m_gridDimension[0] * m_gridDimension[1] * m_gridDimension[2];
m_gridBuffer = new ComputeBuffer(gridSize, sizeof(uint) * 4);
uint[] instanceArgs = new uint[] { 0, 0, 0, 0, 0 }; //5 indices: index count per instance, instance count, start index location, base vertex location, start instance location.
m_instanceArgsBuffer = new ComputeBuffer(1, instanceArgs.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
instanceArgs[0] = (uint)m_mesh.GetIndexCount(0);
instanceArgs[1] = (uint)kNumParticles;
instanceArgs[2] = (uint)m_mesh.GetIndexStart(0);
instanceArgs[3] = (uint)m_mesh.GetBaseVertex(0); //start instance location is always 0
m_instanceArgsBuffer.SetData(instanceArgs);
m_csInitKernelId = m_shader.FindKernel("Init"); // Kernel used to initialize particle location. (in ParticleLogic.compute)
m_csStepKernelId = m_shader.FindKernel("Step"); // Kernel used to update particles per frame
m_gsLoadGridKernelId = m_gridShader.FindKernel("LoadGrid");
m_gsInitParIndexKernelId = m_gridShader.FindKernel("InitParIndex");
m_gsAssignGridKernelId = m_gridShader.FindKernel("AssignGrid");
// We'll need ids to manage uniforms inside the shaders.
// Note how to get them... They share a global namespace!
m_csParticleBufferId = Shader.PropertyToID("particleBuffer");
m_csGridBufferId = Shader.PropertyToID("gridBuffer");
m_csScaleId = Shader.PropertyToID("scale");
m_csSpeedId = Shader.PropertyToID("speed");
m_csNumParticlesId = Shader.PropertyToID("numParticles");
m_csTimeId = Shader.PropertyToID("time");
m_csDynamicsId = Shader.PropertyToID("dynamics");
m_csASphereId = Shader.PropertyToID("aSphere");
m_csASphereVelId = Shader.PropertyToID("aSphereVel");
m_csWallGroupId = Shader.PropertyToID("plane");
m_csDampId = Shader.PropertyToID("damping");
m_gsGridDimensionId = Shader.PropertyToID("gridDimension");
m_gsGridSizeId = Shader.PropertyToID("gridSize");
m_gsHighCornerId = Shader.PropertyToID("gridHighCorner");
m_gsLowCornerId = Shader.PropertyToID("gridLowCorner");
m_materialProperties = new MaterialPropertyBlock();
InitConstraints(); //Setup grid corners and walls. Store them inside member variables for easy pass later.
InitParticles(); // Init: Setup materials & shaders
}
void OnEnable()
{
m_mesh = new Mesh();
m_mesh = PrimitiveMeshFactory.BoxFlatShaded();
int particleStride = sizeof(float) * 24;
m_computeBuffer = new ComputeBuffer(kNumParticles, particleStride);
uint[] instanceArgs = new uint[] { 0, 0, 0, 0, 0 };
m_instanceArgsBuffer = new ComputeBuffer(1, instanceArgs.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
instanceArgs[0] = (uint)m_mesh.GetIndexCount(0);
instanceArgs[1] = (uint)kNumParticles;
instanceArgs[2] = (uint)m_mesh.GetIndexStart(0);
instanceArgs[3] = (uint)m_mesh.GetBaseVertex(0);
m_instanceArgsBuffer.SetData(instanceArgs);
//m_debugBuffer = new Particle[kNumParticles];
m_csInitKernelId = m_shader.FindKernel("Init");
m_csStepKernelId = m_shader.FindKernel("Step");
m_csParticleBufferId = Shader.PropertyToID("particleBuffer");
m_csScaleId = Shader.PropertyToID("scale");
m_csDampingId = Shader.PropertyToID("damping");
m_csSpeedId = Shader.PropertyToID("speed");
m_csLifetimeId = Shader.PropertyToID("lifetime");
m_csNumParticlesId = Shader.PropertyToID("numParticles");
m_csTimeId = Shader.PropertyToID("time");
m_material = new Material(Shader.Find("CjLib/Example/TurbulentRainbowGpuParticles"));
m_material.enableInstancing = true;
m_material.SetBuffer(m_csParticleBufferId, m_computeBuffer);
m_materialProperties = new MaterialPropertyBlock();
m_shader.SetFloats(m_csScaleId, new float[] { 0.15f, 0.3f });
m_shader.SetFloat(m_csDampingId, 6.0f);
m_shader.SetFloats(m_csSpeedId, new float[] { 3.0f, 4.0f, 1.0f, 6.0f });
m_shader.SetFloats(m_csLifetimeId, new float[] { 0.1f, 0.5f, 0.5f, 0.1f });
m_shader.SetInt(m_csNumParticlesId, kNumParticles);
m_shader.SetBuffer(m_csInitKernelId, m_csParticleBufferId, m_computeBuffer);
m_shader.SetBuffer(m_csStepKernelId, m_csParticleBufferId, m_computeBuffer);
m_shader.Dispatch(m_csInitKernelId, kNumParticles, 1, 1);
//m_computeBuffer.GetData(m_debugBuffer);
}
void OnEnable()
{
m_mesh = new Mesh();
m_mesh = PrimitiveMeshFactory.BoxFlatShaded();
m_controlSphere = Instantiate(m_controlSpherePrefab);
m_cSpherePrevPos = Vector3.zero;
m_floor = Instantiate(m_floorPrefab);
int particleStride = sizeof(float) * 24;
m_computeBuffer = new ComputeBuffer(kNumParticles, particleStride);
uint[] instanceArgs = new uint[] { 0, 0, 0, 0, 0 }; //5 indices: index count per instance, instance count, start index location, base vertex location, start instance location.
m_instanceArgsBuffer = new ComputeBuffer(1, instanceArgs.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
instanceArgs[0] = (uint)m_mesh.GetIndexCount(0);
instanceArgs[1] = (uint)kNumParticles;
instanceArgs[2] = (uint)m_mesh.GetIndexStart(0);
instanceArgs[3] = (uint)m_mesh.GetBaseVertex(0); //start instance location is always 0
m_instanceArgsBuffer.SetData(instanceArgs);
m_csInitKernelId = m_shader.FindKernel("Init"); // Kernel used to initialize particle location. (in ParticleLogic.compute)
m_csStepKernelId = m_shader.FindKernel("Step"); // Kernel used to update particles per frame
// We'll need ids to manage uniforms inside the shaders.
// Note how to get them... They share a global namespace!
m_csParticleBufferId = Shader.PropertyToID("particleBuffer");
m_csScaleId = Shader.PropertyToID("scale");
m_csSpeedId = Shader.PropertyToID("speed");
m_csLifetimeId = Shader.PropertyToID("lifetime");
m_csNumParticlesId = Shader.PropertyToID("numParticles");
m_csTimeId = Shader.PropertyToID("time");
m_csDynamics = Shader.PropertyToID("dynamics");
m_csASphere = Shader.PropertyToID("aSphere");
m_csASphereVel = Shader.PropertyToID("aSphereVel");
m_csPlane = Shader.PropertyToID("plane");
m_csDamp = Shader.PropertyToID("damping");
m_materialProperties = new MaterialPropertyBlock();
InitParticles(); // Init: Setup materials & shaders
}