DoubleRenderTexture m_obstacles; // HACK:2枚も必要ないけど流用
void Start()
{
m_applyImpulse.GetKernelThreadGroupSizes(0, out KernelThreadSize_X, out KernelThreadSize_Y, out KernelThreadSize_Z);
//Dimension sizes must be pow2 numbers
m_width = Mathf.ClosestPowerOfTwo(m_width);
m_height = Mathf.ClosestPowerOfTwo(m_height);
m_depth = Mathf.ClosestPowerOfTwo(m_depth);
// オブジェクトのスケールを合わせる
transform.localScale = new Vector3(m_width, m_height, m_depth);
transform.localPosition = new Vector3(0, m_height / 2, 0);
//Put all dimension sizes in a vector for easy parsing to shader and also prevents user changing
//dimension sizes during play
m_size = new Vector4(m_width, m_height, m_depth, 0.0f);
//Create all the buffers needed
int SIZE = m_width * m_height * m_depth;
m_atmosphere = new DoubleRenderTexture(m_width, m_height, m_depth);
m_velocity = new DoubleRenderTexture(m_width, m_height, m_depth);
m_vorticity = new DoubleRenderTexture(m_width, m_height, m_depth);
m_divergence = new DoubleRenderTexture(m_width, m_height, m_depth);
m_pressure = new DoubleRenderTexture(m_width, m_height, m_depth);
m_obstacles = new DoubleRenderTexture(m_width, m_height, m_depth);
//Any areas that are obstacles need to be masked of in the obstacle buffer
//At the moment is only the border around the edge of the buffers to enforce non-slip boundary conditions
ComputeObstacles();
}
DoubleRenderTexture CreateBuffer(int texWidth, int texHeight, int texDepth)
{
DoubleRenderTexture rt = new DoubleRenderTexture(texWidth, texHeight, texDepth);
Blit(rt.renderTexture0, SolverPass.Clear);
Blit(rt.renderTexture1, SolverPass.Clear);
return(rt);
}
void Advect(float step, float dissipation, DoubleRenderTexture target)
{
m_CommandBuffer.SetGlobalFloat(Properties.Step, step);
m_CommandBuffer.SetGlobalFloat(Properties.InverseCellSize, 1f / m_GridScale);
m_CommandBuffer.SetGlobalFloat(Properties.Dissipation, dissipation);
m_CommandBuffer.SetGlobalTexture(Properties.Buffer, target.active);
m_CommandBuffer.SetGlobalTexture(Properties.Buffer2, m_VelocityBuffer.active);
if (target == m_VelocityBuffer)
{
m_VelocityBuffer.Swap();
}
Blit(target.active, SolverPass.Advection);
}
void Start()
{
m_FluidSolver = new Material(shader);
m_CommandBuffer = new CommandBuffer();
m_VelocityBuffer = CreateBuffer(resolution.x, resolution.y, resolution.z);
m_DivergenceBuffer = CreateBuffer(resolution.x, resolution.y, resolution.z);
m_PressureBuffer = CreateBuffer(resolution.x, resolution.y, resolution.z);
m_ColorBuffer = new RenderTexture(colorResolution.x, colorResolution.y, 0, RenderTextureFormat.ARGBFloat);
m_ColorBuffer.dimension = TextureDimension.Tex3D;
m_ColorBuffer.volumeDepth = colorResolution.z;
m_ColorBuffer.filterMode = FilterMode.Trilinear;
Blit(m_ColorBuffer, SolverPass.Clear);
m_ColorMaterial = GetComponent <MeshRenderer>().material;
m_ColorMaterial.mainTexture = m_ColorBuffer;
volumeRenderer.volumeTexture = m_ColorBuffer;
//Camera.main.AddCommandBuffer(CameraEvent.BeforeForwardOpaque, m_CommandBuffer);
}
