void ResetResources()
{
// parameter sanitization
info.numParticles = Mathf.Clamp(info.numParticles, 1, 8192);
info.historyLength = Mathf.Clamp(info.historyLength, 8, 1024);
// mesh object
if (_mesh)
{
DestroyImmediate(_mesh);
}
_mesh = CreateMesh();
if (buffer == null)
{
buffer = new RhoBuffer(info);
}
buffer.Reset();
kernel.material.SetVector("_Direction", direction);
kernel.material.SetFloat("_Speed", speed);
// buffer initialization
Graphics.Blit(null, buffer.positionOut, kernel.material, 0);
Graphics.Blit(null, buffer.velocityOut, kernel.material, 1);
_time = 0;
_needsReset = false;
}
public void StepKernel(float time, float deltaTime, RhoBuffer buffer )
{
// GPGPU buffer swap
buffer.Swap();
Material m = kernel.material;
m.SetVector("_TimeParams", new Vector2(time, deltaTime));
// velocity update
m.SetTexture("_PositionTex", buffer.positionIn);
m.SetTexture("_VelocityTex", buffer.velocityIn);
Graphics.Blit(null, buffer.velocityOut, m, 1);
// position update
m.SetTexture("_VelocityTex", buffer.velocityOut);
Graphics.Blit(null, buffer.positionOut, m, 0);
}
public void StepKernel(float time, float deltaTime, RhoBuffer buffer)
{
// GPGPU buffer swap
buffer.Swap();
Material m = kernel.material;
m.SetVector("_TimeParams", new Vector2(time, deltaTime));
// velocity update
m.SetTexture("_PositionTex", buffer.positionIn);
m.SetTexture("_VelocityTex", buffer.velocityIn);
Graphics.Blit(null, buffer.velocityOut, m, 1);
// position update
m.SetTexture("_VelocityTex", buffer.velocityOut);
Graphics.Blit(null, buffer.positionOut, m, 0);
}
void ResetResources()
{
// parameter sanitization
info.numParticles = Mathf.Clamp(info.numParticles, 1, 8192);
info.historyLength = Mathf.Clamp(info.historyLength, 8, 1024);
// mesh object
if (_mesh) DestroyImmediate(_mesh);
_mesh = CreateMesh();
if( buffer == null )
buffer = new RhoBuffer( info );
buffer.Reset();
kernel.material.SetVector("_Direction", direction);
kernel.material.SetFloat("_Speed", speed);
// buffer initialization
Graphics.Blit(null, buffer.positionOut, kernel.material, 0);
Graphics.Blit(null, buffer.velocityOut, kernel.material, 1);
_time = 0;
_needsReset = false;
}