protected override void InitNode()
{
base.InitNode();
if (FourierGridSize > 256)
{
Debug.Log("OceanFFT: fourier grid size must not be greater than 256, changing to 256...");
FourierGridSize = 256;
}
if (!Mathf.IsPowerOfTwo(FourierGridSize))
{
Debug.Log("OceanFFT: fourier grid size must be pow2 number, changing to nearest pow2 number...");
FourierGridSize = Mathf.NextPowerOfTwo(FourierGridSize);
}
if (FourierShader == null)
{
Debug.Log("OceanFFT: fourier shader is null!");
FourierShader = Shader.Find("Math/Fourier");
}
FloatSize = (float)FourierGridSize;
Offset = new Vector4(1.0f + 0.5f / FloatSize, 1.0f + 0.5f / FloatSize, 0, 0);
float factor = 2.0f * Mathf.PI * FloatSize;
InverseGridSizes = new Vector4(factor / GridSizes.x, factor / GridSizes.y, factor / GridSizes.z, factor / GridSizes.w);
Fourier = new FourierGPU(FourierGridSize, FourierShader);
//Create the data needed to make the waves each frame
CreateRenderTextures();
GenerateWavesSpectrum();
CreateWTable();
InitSpectrumMat.SetTexture("_Spectrum01", Spectrum01);
InitSpectrumMat.SetTexture("_Spectrum23", Spectrum23);
InitSpectrumMat.SetTexture("_WTable", WTable);
InitSpectrumMat.SetVector("_Offset", Offset);
InitSpectrumMat.SetVector("_InverseGridSizes", InverseGridSizes);
InitDisplacementMat.SetVector("_InverseGridSizes", InverseGridSizes);
}
public WaveSpectrumGPU(int size, float windSpeed, float waveAmp, float omega, int ansio, Vector4 gridSzes)
{
if (size > 256)
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - fourier grid size must not be greater than 256, changing to 256");
size = 256;
}
if (!Mathf.IsPowerOfTwo(size))
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - fourier grid size must be pow2 number, changing to nearest pow2 number");
size = Mathf.NextPowerOfTwo(size);
}
m_size = size;
m_waveAmp = waveAmp;
m_windSpeed = windSpeed;
m_omega = omega;
m_gridSizes = gridSzes;
m_fsize = (float)m_size;
m_mipMapLevels = Mathf.Log(m_fsize) / Mathf.Log(2.0f);
m_offset = new Vector4(1.0f + 0.5f / m_fsize, 1.0f + 0.5f / m_fsize, 0, 0);
float factor = 2.0f * Mathf.PI * m_fsize;
m_inverseGridSizes = new Vector4(factor / m_gridSizes.x, factor / m_gridSizes.y, factor / m_gridSizes.z, factor / m_gridSizes.w);
m_fourier = new FourierGPU(m_size);
CreateRenderTextures(ansio);
Shader initSpectrumShader = Shader.Find("Ocean/InitSpectrum");
if (initSpectrumShader == null)
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - Could not find shader Ocean/InitSpectrum");
}
m_initSpectrumMat = new Material(initSpectrumShader);
}
public override void InitNode()
{
base.InitNode();
if (InitSpectrumMaterial == null)
{
Debug.Log("OceanFFT: Init spectrum material is null! Trying to find it out...");
InitSpectrumMaterial = MaterialHelper.CreateTemp(Shader.Find("SpaceEngine/Ocean/InitSpectrum"), "InitSpectrum");
}
if (InitDisplacementMaterial == null)
{
Debug.Log("OceanFFT: Init displacement material is null! Trying to find it out..");
InitDisplacementMaterial = MaterialHelper.CreateTemp(Shader.Find("SpaceEngine/Ocean/InitDisplacement"), "InitDisplacement");
}
MapSize = (float)FourierGridSize;
Offset = new Vector4(1.0f + 0.5f / MapSize, 1.0f + 0.5f / MapSize, 0, 0);
float factor = 2.0f * Mathf.PI * MapSize;
InverseGridSizes = new Vector4(factor / GridSizes.x, factor / GridSizes.y, factor / GridSizes.z, factor / GridSizes.w);
Fourier = new FourierGPU(FourierGridSize, FourierShader);
//Create the data needed to make the waves each frame
CreateRenderTextures();
GenerateWavesSpectrum();
CreateWTable();
InitSpectrumMaterial.SetTexture("_Spectrum01", Spectrum01);
InitSpectrumMaterial.SetTexture("_Spectrum23", Spectrum23);
InitSpectrumMaterial.SetTexture("_WTable", WTable);
InitSpectrumMaterial.SetVector("_Offset", Offset);
InitSpectrumMaterial.SetVector("_InverseGridSizes", InverseGridSizes);
InitDisplacementMaterial.SetVector("_InverseGridSizes", InverseGridSizes);
}
public WaveSpectrumGPU(Param param)
{
if(param.varianceShader == null)
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - variance compute shader is null");
return;
}
if(param.size > 256)
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - fourier grid size must not be greater than 256, changing to 256");
param.size = 256;
}
if(!Mathf.IsPowerOfTwo(param.size))
{
Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - fourier grid size must be pow2 number, changing to nearest pow2 number");
param.size = Mathf.NextPowerOfTwo(param.size);
}
m_size = param.size;
m_waveAmp = param.waveAmp;
m_windSpeed = param.windSpeed;
m_omega = param.omega;
m_varianceShader = param.varianceShader;
m_gridSizes = param.gridSizes;
m_choppyness = param.choppyness;
m_writeData = param.writeData;
m_fsize = (float)m_size;
m_mipMapLevels = Mathf.Log(m_fsize)/Mathf.Log(2.0f);
m_offset = new Vector4(1.0f + 0.5f / m_fsize, 1.0f + 0.5f / m_fsize, 0, 0);
float factor = 2.0f * Mathf.PI * m_fsize;
m_inverseGridSizes = new Vector4(factor/m_gridSizes.x, factor/m_gridSizes.y, factor/m_gridSizes.z, factor/m_gridSizes.w);
m_fourier = new FourierGPU(m_size);
CreateRenderTextures(param.ansio, param.foamAnsio);
GenerateWavesSpectrum();
CreateWTable();
Shader initSpectrumShader = Shader.Find("Ocean/InitSpectrum");
if(initSpectrumShader == null) Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - Could not find shader Ocean/InitSpectrum");
m_initSpectrumMat = new Material(initSpectrumShader);
Shader initDisplacementShader = Shader.Find("Ocean/InitDisplacement");
if(initDisplacementShader == null) Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - Could not find shader Ocean/InitDisplacement");
m_initDisplacementMat = new Material(initDisplacementShader);
Shader initJacobiansShader = Shader.Find("Ocean/InitJacobians");
if(initJacobiansShader == null) Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - Could not find shader Ocean/InitJacobians");
m_initJacobiansMat = new Material(initJacobiansShader);
Shader whiteCapsPrecomputeShader = Shader.Find("Ocean/WhiteCapsPrecompute");
if(whiteCapsPrecomputeShader == null) Debug.Log("WaveSpectrumGPU::WaveSpectrumGPU - Could not find shader Ocean/WhiteCapsPrecompute");
m_whiteCapsPrecomputeMat = new Material(whiteCapsPrecomputeShader);
m_initSpectrumMat.SetTexture("_Spectrum01", m_spectrum01);
m_initSpectrumMat.SetTexture("_Spectrum23", m_spectrum23);
m_initSpectrumMat.SetTexture("_WTable", m_WTable);
m_initSpectrumMat.SetVector("_Offset", m_offset);
m_initSpectrumMat.SetVector("_InverseGridSizes", m_inverseGridSizes);
m_initDisplacementMat.SetVector("_InverseGridSizes", m_inverseGridSizes);
m_initJacobiansMat.SetTexture("_Spectrum01", m_spectrum01);
m_initJacobiansMat.SetTexture("_Spectrum23", m_spectrum23);
m_initJacobiansMat.SetTexture("_WTable", m_WTable);
m_initJacobiansMat.SetVector("_Offset", m_offset);
m_initJacobiansMat.SetVector("_InverseGridSizes", m_inverseGridSizes);
}
