Merge pull request #950 from shun-iwasawa/bubble_fx
New Fx : SoapBubble Iwa
This commit is contained in:
Jeremy Bullock
GitHub
commit
c923b546fe
8 changed files with 959 additions and 75 deletions
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@ -1174,6 +1174,27 @@
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<item>"STD_iwa_PNPerspectiveFx.alpha_rendering" "Alpha Rendering"</item>
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<item>"STD_iwa_PNPerspectiveFx.alpha_rendering" "Alpha Rendering"</item>
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<item>"STD_iwa_PNPerspectiveFx.waveHeight" "Wave Height"</item>
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<item>"STD_iwa_PNPerspectiveFx.waveHeight" "Wave Height"</item>
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<item>"STD_iwa_SoapBubbleFx" "SoapBubble Iwa" </item>
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<item>"STD_iwa_SoapBubbleFx.intensity" "Intensity" </item>
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<item>"STD_iwa_SoapBubbleFx.refractiveIndex" "Refractive Index" </item>
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<item>"STD_iwa_SoapBubbleFx.thickMax" "Thick Max" </item>
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<item>"STD_iwa_SoapBubbleFx.thickMin" "Thick Min" </item>
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<item>"STD_iwa_SoapBubbleFx.RGamma" "R Gamma" </item>
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<item>"STD_iwa_SoapBubbleFx.GGamma" "G Gamma" </item>
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<item>"STD_iwa_SoapBubbleFx.BGamma" "B Gamma" </item>
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<item>"STD_iwa_SoapBubbleFx.binarizeThresold" "Threshold" </item>
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<item>"STD_iwa_SoapBubbleFx.shapeAspectRatio" "Shape Aspect Ratio" </item>
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<item>"STD_iwa_SoapBubbleFx.blurRadius" "Blur Radius" </item>
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<item>"STD_iwa_SoapBubbleFx.blurPower" "Power" </item>
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<item>"STD_iwa_SoapBubbleFx.normalSampleDistance" "Sample Distance" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseSubDepth" "Sub Depth" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseResolutionS" "S Resolution" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseResolutionT" "T Resolution" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseSubCompositeRatio" "Sub Amplitude Ratio" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseEvolution" "Evolution" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseDepthMixRatio" "Noise to Depth" </item>
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<item>"STD_iwa_SoapBubbleFx.noiseThicknessMixRatio" "Noise to Thickness" </item>
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<!------------------------------ Tiled Particles Iwa ------------------------------------------->
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<!------------------------------ Tiled Particles Iwa ------------------------------------------->
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<item>STD_iwa_TiledParticlesFx "Tiled Particles Iwa" </item>
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<item>STD_iwa_TiledParticlesFx "Tiled Particles Iwa" </item>
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33
stuff/profiles/layouts/fxs/STD_iwa_SoapBubbleFx.xml
Normal file
33
stuff/profiles/layouts/fxs/STD_iwa_SoapBubbleFx.xml
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@ -0,0 +1,33 @@
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<fxlayout>
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<page name="Color and Shape">
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<vbox>
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<separator label="Bubble Color"/>
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<control>intensity</control>
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<control>refractiveIndex</control>
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<control>thickMax</control>
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<control>thickMin</control>
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<control>RGamma</control>
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<control>GGamma</control>
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<control>BGamma</control>
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</vbox>
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<vbox>
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<separator label="Shape"/>
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<control>binarizeThresold</control>
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<control>shpeAspectRatio</control>
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<control>blurRadius</control>
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<control>blurPower</control>
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</vbox>
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</page>
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<page name="Noise">
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<vbox>
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<control>normalSampleDistance</control>
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<control>noiseSubDepth</control>
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<control>noiseResolutionS</control>
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<control>noiseResolutionT</control>
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<control>noiseSubCompositeRatio</control>
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<control>noiseEvolution</control>
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<control>noiseDepthMixRatio</control>
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<control>noiseThicknessMixRatio</control>
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</vbox>
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</page>
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</fxlayout>
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@ -117,6 +117,7 @@
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STD_lightSpotFx
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STD_lightSpotFx
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STD_raylitFx
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STD_raylitFx
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STD_iwa_SpectrumFx
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STD_iwa_SpectrumFx
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STD_iwa_SoapBubbleFx
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STD_targetSpotFx
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STD_targetSpotFx
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</Light>
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</Light>
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<Matte>
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<Matte>
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@ -71,6 +71,7 @@ set(HEADERS
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iwa_noise1234.h
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iwa_noise1234.h
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iwa_fresnel.h
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iwa_fresnel.h
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iwa_pnperspectivefx.h
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iwa_pnperspectivefx.h
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iwa_soapbubblefx.h
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)
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)
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set(SOURCES
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set(SOURCES
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@ -244,6 +245,7 @@ set(SOURCES
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iwa_simplexnoise.cpp
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iwa_simplexnoise.cpp
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iwa_noise1234.cpp
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iwa_noise1234.cpp
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iwa_pnperspectivefx.cpp
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iwa_pnperspectivefx.cpp
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iwa_soapbubblefx.cpp
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)
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)
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set(OBJCSOURCES
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set(OBJCSOURCES
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714
toonz/sources/stdfx/iwa_soapbubblefx.cpp
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714
toonz/sources/stdfx/iwa_soapbubblefx.cpp
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@ -0,0 +1,714 @@
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/*------------------------------------
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Iwa_SoapBubbleFx
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Generates thin film interference colors from two reference images;
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one is for thickness and the other one is for shape or normal vector
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distribution of the film.
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Inherits Iwa_SpectrumFx.
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------------------------------------*/
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#include "iwa_soapbubblefx.h"
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#include "iwa_cie_d65.h"
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#include "iwa_xyz.h"
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#include <QList>
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#include <QPoint>
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#include <QSize>
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namespace {
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const float PI = 3.14159265f;
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#define INF 1e20 /* less than FLT_MAX */
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/* dt of 1d function using squared distance */
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static float* dt(float* f, int n, float a = 1.0f) {
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float* d = new float[n];
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int* v = new int[n];
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float* z = new float[n + 1];
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/* index of rightmost parabola in lower envelope */
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int k = 0;
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/* locations of parabolas in lower envelope */
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v[0] = 0;
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/* locations of boundaries between parabolas */
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z[0] = -INF;
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z[1] = +INF;
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/* compute lower envelope */
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for (int q = 1; q <= n - 1; q++) {
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/* compute intersection */
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float s =
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((f[q] / a + q * q) - (f[v[k]] / a + v[k] * v[k])) / (2 * q - 2 * v[k]);
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while (s <= z[k]) {
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k--;
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s = ((f[q] / a + q * q) - (f[v[k]] / a + v[k] * v[k])) /
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(2 * q - 2 * v[k]);
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}
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k++;
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v[k] = q;
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z[k] = s;
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z[k + 1] = +INF;
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}
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k = 0;
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/* fill in values of distance transform */
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for (int q = 0; q <= n - 1; q++) {
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while (z[k + 1] < q) k++;
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d[q] = a * (q - v[k]) * (q - v[k]) + f[v[k]];
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}
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delete[] v;
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delete[] z;
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return d;
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}
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}
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//------------------------------------
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Iwa_SoapBubbleFx::Iwa_SoapBubbleFx()
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: Iwa_SpectrumFx()
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, m_binarize_threshold(0.5)
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, m_shape_aspect_ratio(1.0)
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, m_blur_radius(5.0)
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, m_blur_power(0.5)
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, m_normal_sample_distance(1)
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, m_noise_sub_depth(3)
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, m_noise_resolution_s(18.0)
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, m_noise_resolution_t(5.0)
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, m_noise_sub_composite_ratio(0.5)
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, m_noise_evolution(0.0)
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, m_noise_depth_mix_ratio(0.05)
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, m_noise_thickness_mix_ratio(0.05) {
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removeInputPort("Source");
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removeInputPort("Light"); /* not used */
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addInputPort("Thickness", m_input);
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addInputPort("Shape", m_shape);
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addInputPort("Depth", m_depth);
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bindParam(this, "binarizeThresold", m_binarize_threshold);
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bindParam(this, "shapeAspectRatio", m_shape_aspect_ratio);
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bindParam(this, "blurRadius", m_blur_radius);
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bindParam(this, "blurPower", m_blur_power);
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bindParam(this, "normalSampleDistance", m_normal_sample_distance);
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bindParam(this, "noiseSubDepth", m_noise_sub_depth);
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bindParam(this, "noiseResolutionS", m_noise_resolution_s);
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bindParam(this, "noiseResolutionT", m_noise_resolution_t);
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bindParam(this, "noiseSubCompositeRatio", m_noise_sub_composite_ratio);
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bindParam(this, "noiseEvolution", m_noise_evolution);
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bindParam(this, "noiseDepthMixRatio", m_noise_depth_mix_ratio);
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bindParam(this, "noiseThicknessMixRatio", m_noise_thickness_mix_ratio);
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m_binarize_threshold->setValueRange(0.01, 0.99);
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m_shape_aspect_ratio->setValueRange(0.2, 5.0);
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m_blur_radius->setMeasureName("fxLength");
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m_blur_radius->setValueRange(0.0, 25.0);
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m_blur_power->setValueRange(0.01, 5.0);
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m_normal_sample_distance->setValueRange(1, 20);
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m_noise_sub_depth->setValueRange(1, 5);
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m_noise_resolution_s->setValueRange(1.0, 40.0);
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m_noise_resolution_t->setValueRange(1.0, 20.0);
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m_noise_sub_composite_ratio->setValueRange(0.0, 5.0);
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m_noise_depth_mix_ratio->setValueRange(0.0, 1.0);
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m_noise_thickness_mix_ratio->setValueRange(0.0, 1.0);
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}
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//------------------------------------
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void Iwa_SoapBubbleFx::doCompute(TTile& tile, double frame,
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const TRenderSettings& settings) {
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if (!m_input.isConnected()) return;
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if (!m_shape.isConnected() && !m_depth.isConnected()) return;
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TDimensionI dim(tile.getRaster()->getLx(), tile.getRaster()->getLy());
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TRectD bBox(tile.m_pos, TPointD(dim.lx, dim.ly));
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/* soap bubble color map */
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TRasterGR8P bubbleColor_ras(sizeof(float3) * 256 * 256, 1);
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bubbleColor_ras->lock();
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float3* bubbleColor_p = (float3*)bubbleColor_ras->getRawData();
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calcBubbleMap(bubbleColor_p, frame, true);
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/* depth map */
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TRasterGR8P depth_map_ras(sizeof(float) * dim.lx * dim.ly, 1);
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depth_map_ras->lock();
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float* depth_map_p = (float*)depth_map_ras->getRawData();
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/* if the depth image is connected, use it */
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if (m_depth.isConnected()) {
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TTile depth_tile;
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m_depth->allocateAndCompute(depth_tile, bBox.getP00(), dim,
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tile.getRaster(), frame, settings);
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TRasterP depthRas = depth_tile.getRaster();
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depthRas->lock();
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TRaster32P depthRas32 = (TRaster32P)depthRas;
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TRaster64P depthRas64 = (TRaster64P)depthRas;
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{
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if (depthRas32)
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convertToBrightness<TRaster32P, TPixel32>(depthRas32, depth_map_p, dim);
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else if (depthRas64)
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convertToBrightness<TRaster64P, TPixel64>(depthRas64, depth_map_p, dim);
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}
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depthRas->unlock();
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}
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/* or, use the shape image to obtain pseudo depth */
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else { /* m_shape.isConnected */
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/* obtain shape image */
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TTile shape_tile;
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{
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TRaster32P tmp(1, 1);
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m_shape->allocateAndCompute(shape_tile, bBox.getP00(), dim, tmp, frame,
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settings);
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}
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processShape(frame, shape_tile, depth_map_p, dim, settings);
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}
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/* compute the thickness input and temporarily store to the tile */
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m_input->compute(tile, frame, settings);
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TRasterGR8P thickness_map_ras(sizeof(float) * dim.lx * dim.ly, 1);
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thickness_map_ras->lock();
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float* thickness_map_p = (float*)thickness_map_ras->getRawData();
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TRasterP thicknessRas = tile.getRaster();
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TRaster32P ras32 = (TRaster32P)thicknessRas;
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TRaster64P ras64 = (TRaster64P)thicknessRas;
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{
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if (ras32)
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convertToBrightness<TRaster32P, TPixel32>(ras32, thickness_map_p, dim);
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else if (ras64)
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convertToBrightness<TRaster64P, TPixel64>(ras64, thickness_map_p, dim);
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}
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/* process noise */
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processNoise(thickness_map_p, depth_map_p, dim, frame, settings);
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if (ras32)
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convertToRaster<TRaster32P, TPixel32>(ras32, thickness_map_p, depth_map_p,
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dim, bubbleColor_p);
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else if (ras64)
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convertToRaster<TRaster64P, TPixel64>(ras64, thickness_map_p, depth_map_p,
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dim, bubbleColor_p);
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thickness_map_ras->unlock();
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depth_map_ras->unlock();
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bubbleColor_ras->unlock();
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}
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//------------------------------------
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template <typename RASTER, typename PIXEL>
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void Iwa_SoapBubbleFx::convertToBrightness(const RASTER srcRas, float* dst,
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TDimensionI dim) {
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float* dst_p = dst;
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for (int j = 0; j < dim.ly; j++) {
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PIXEL* pix = srcRas->pixels(j);
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for (int i = 0; i < dim.lx; i++, dst_p++, pix++) {
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float r = (float)pix->r / (float)PIXEL::maxChannelValue;
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float g = (float)pix->g / (float)PIXEL::maxChannelValue;
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float b = (float)pix->b / (float)PIXEL::maxChannelValue;
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/* brightness */
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*dst_p = 0.298912f * r + 0.586611f * g + 0.114478f * b;
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}
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}
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}
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//------------------------------------
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template <typename RASTER, typename PIXEL>
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void Iwa_SoapBubbleFx::convertToRaster(const RASTER ras, float* thickness_map_p,
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float* depth_map_p, TDimensionI dim,
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float3* bubbleColor_p) {
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float* depth_p = depth_map_p;
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float* thickness_p = thickness_map_p;
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for (int j = 0; j < dim.ly; j++) {
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PIXEL* pix = ras->pixels(j);
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for (int i = 0; i < dim.lx; i++, depth_p++, thickness_p++, pix++) {
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float alpha = (float)pix->m / PIXEL::maxChannelValue;
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if (alpha == 0.0f) /* no change for the transparent pixels */
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continue;
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float coordinate[2];
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coordinate[0] = 256.0f * std::min(1.0f, *depth_p);
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coordinate[1] = 256.0f * std::min(1.0f, *thickness_p);
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int neighbors[2][2];
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/* interpolate sampling */
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if (coordinate[0] <= 0.5f)
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neighbors[0][0] = 0;
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|
else
|
||||||
|
neighbors[0][0] = (int)std::floor(coordinate[0] - 0.5f);
|
||||||
|
if (coordinate[0] >= 255.5f)
|
||||||
|
neighbors[0][1] = 255;
|
||||||
|
else
|
||||||
|
neighbors[0][1] = (int)std::floor(coordinate[0] + 0.5f);
|
||||||
|
if (coordinate[1] <= 0.5f)
|
||||||
|
neighbors[1][0] = 0;
|
||||||
|
else
|
||||||
|
neighbors[1][0] = (int)std::floor(coordinate[1] - 0.5f);
|
||||||
|
if (coordinate[1] >= 255.5f)
|
||||||
|
neighbors[1][1] = 255;
|
||||||
|
else
|
||||||
|
neighbors[1][1] = (int)std::floor(coordinate[1] + 0.5f);
|
||||||
|
|
||||||
|
float interp_ratio[2];
|
||||||
|
interp_ratio[0] = coordinate[0] - 0.5f - std::floor(coordinate[0] - 0.5f);
|
||||||
|
interp_ratio[1] = coordinate[1] - 0.5f - std::floor(coordinate[1] - 0.5f);
|
||||||
|
|
||||||
|
float3 nColors[4] = {
|
||||||
|
bubbleColor_p[neighbors[0][0] * 256 + neighbors[1][0]],
|
||||||
|
bubbleColor_p[neighbors[0][1] * 256 + neighbors[1][0]],
|
||||||
|
bubbleColor_p[neighbors[0][0] * 256 + neighbors[1][1]],
|
||||||
|
bubbleColor_p[neighbors[0][1] * 256 + neighbors[1][1]]};
|
||||||
|
|
||||||
|
float3 color =
|
||||||
|
nColors[0] * (1.0f - interp_ratio[0]) * (1.0f - interp_ratio[1]) +
|
||||||
|
nColors[1] * interp_ratio[0] * (1.0f - interp_ratio[1]) +
|
||||||
|
nColors[2] * (1.0f - interp_ratio[0]) * interp_ratio[1] +
|
||||||
|
nColors[3] * interp_ratio[0] * interp_ratio[1];
|
||||||
|
|
||||||
|
/* clamp */
|
||||||
|
float val = color.x * (float)PIXEL::maxChannelValue + 0.5f;
|
||||||
|
pix->r = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
|
||||||
|
? (float)PIXEL::maxChannelValue
|
||||||
|
: val);
|
||||||
|
val = color.y * (float)PIXEL::maxChannelValue + 0.5f;
|
||||||
|
pix->g = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
|
||||||
|
? (float)PIXEL::maxChannelValue
|
||||||
|
: val);
|
||||||
|
val = color.z * (float)PIXEL::maxChannelValue + 0.5f;
|
||||||
|
pix->b = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
|
||||||
|
? (float)PIXEL::maxChannelValue
|
||||||
|
: val);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::processShape(double frame, TTile& shape_tile,
|
||||||
|
float* depth_map_p, TDimensionI dim,
|
||||||
|
const TRenderSettings& settings) {
|
||||||
|
TRaster32P shapeRas = shape_tile.getRaster();
|
||||||
|
shapeRas->lock();
|
||||||
|
|
||||||
|
/* binarize the shape image */
|
||||||
|
TRasterGR8P binarized_ras(sizeof(char) * dim.lx * dim.ly, 1);
|
||||||
|
binarized_ras->lock();
|
||||||
|
char* binarized_p = (char*)binarized_ras->getRawData();
|
||||||
|
|
||||||
|
TRasterGR8P distance_ras(sizeof(float) * dim.lx * dim.ly, 1);
|
||||||
|
distance_ras->lock();
|
||||||
|
float* distance_p = (float*)distance_ras->getRawData();
|
||||||
|
|
||||||
|
float binarize_thres = (float)m_binarize_threshold->getValue(frame);
|
||||||
|
|
||||||
|
do_binarize(shapeRas, binarized_p, binarize_thres, distance_p, dim);
|
||||||
|
|
||||||
|
shapeRas->unlock();
|
||||||
|
|
||||||
|
do_distance_transform(distance_p, dim, frame);
|
||||||
|
|
||||||
|
/* create blur filter */
|
||||||
|
float blur_radius = (float)m_blur_radius->getValue(frame) *
|
||||||
|
std::sqrt(std::abs((float)settings.m_affine.det()));
|
||||||
|
|
||||||
|
/* if blur radius is 0, set the distance image to the depth image as-is */
|
||||||
|
if (blur_radius == 0.0f) {
|
||||||
|
float power = (float)m_blur_power->getValue(frame);
|
||||||
|
float* tmp_depth = depth_map_p;
|
||||||
|
float* tmp_dist = distance_p;
|
||||||
|
char* bin_p = binarized_p;
|
||||||
|
for (int i = 0; i < dim.lx * dim.ly;
|
||||||
|
i++, tmp_depth++, tmp_dist++, bin_p++) {
|
||||||
|
if (*bin_p == 0)
|
||||||
|
*tmp_depth = 0.0f;
|
||||||
|
else
|
||||||
|
*tmp_depth = 1.0f - std::pow(*tmp_dist, power);
|
||||||
|
}
|
||||||
|
distance_ras->unlock();
|
||||||
|
binarized_ras->unlock();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
int blur_filter_size = (int)std::floor(blur_radius) * 2 + 1;
|
||||||
|
TRasterGR8P blur_filter_ras(
|
||||||
|
sizeof(float) * blur_filter_size * blur_filter_size, 1);
|
||||||
|
blur_filter_ras->lock();
|
||||||
|
float* blur_filter_p = (float*)blur_filter_ras->getRawData();
|
||||||
|
|
||||||
|
do_createBlurFilter(blur_filter_p, blur_filter_size, blur_radius);
|
||||||
|
|
||||||
|
/* blur filtering, normarize & power */
|
||||||
|
do_applyFilter(depth_map_p, dim, distance_p, binarized_p, blur_filter_p,
|
||||||
|
blur_filter_size, frame);
|
||||||
|
|
||||||
|
distance_ras->unlock();
|
||||||
|
binarized_ras->unlock();
|
||||||
|
blur_filter_ras->unlock();
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::do_binarize(TRaster32P srcRas, char* dst_p, float thres,
|
||||||
|
float* distance_p, TDimensionI dim) {
|
||||||
|
TPixel32::Channel channelThres =
|
||||||
|
(TPixel32::Channel)(thres * (float)TPixel32::maxChannelValue);
|
||||||
|
char* tmp_p = dst_p;
|
||||||
|
float* tmp_dist = distance_p;
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
TPixel32* pix = srcRas->pixels(j);
|
||||||
|
for (int i = 0; i < dim.lx; i++, pix++, tmp_p++, tmp_dist++) {
|
||||||
|
(*tmp_p) = (pix->m > channelThres) ? 1 : 0;
|
||||||
|
(*tmp_dist) = (*tmp_p == 1) ? INF : 0.0f;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::do_createBlurFilter(float* dst_p, int size,
|
||||||
|
float radius) {
|
||||||
|
float radius2 = radius * radius;
|
||||||
|
float* tmp_p = dst_p;
|
||||||
|
float sum = 0.0f;
|
||||||
|
int rad = (size - 1) / 2;
|
||||||
|
for (int j = -rad; j <= rad; j++) {
|
||||||
|
for (int i = -rad; i <= rad; i++, tmp_p++) {
|
||||||
|
float length2 = (float)i * (float)i + (float)j * (float)j;
|
||||||
|
/* out of range */
|
||||||
|
if (length2 >= radius2)
|
||||||
|
*tmp_p = 0.0f;
|
||||||
|
else {
|
||||||
|
/* normalize distace from the filter center, to 0-1 */
|
||||||
|
*tmp_p = 1.0f - std::sqrt(length2) / radius;
|
||||||
|
sum += *tmp_p;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/* normalize */
|
||||||
|
tmp_p = dst_p;
|
||||||
|
for (int i = 0; i < size * size; i++, tmp_p++) {
|
||||||
|
*tmp_p /= sum;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::do_applyFilter(float* depth_map_p, TDimensionI dim,
|
||||||
|
float* distance_p, char* binarized_p,
|
||||||
|
float* blur_filter_p,
|
||||||
|
int blur_filter_size, double frame) {
|
||||||
|
float power = (float)m_blur_power->getValue(frame);
|
||||||
|
|
||||||
|
memset(depth_map_p, 0, sizeof(float) * dim.lx * dim.ly);
|
||||||
|
|
||||||
|
int fil_margin = (blur_filter_size - 1) / 2;
|
||||||
|
float* dst_p = depth_map_p;
|
||||||
|
char* bin_p = binarized_p;
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
for (int i = 0; i < dim.lx; i++, dst_p++, bin_p++) {
|
||||||
|
if (*bin_p == 0) continue;
|
||||||
|
|
||||||
|
float* fil_p = blur_filter_p;
|
||||||
|
for (int fy = j - fil_margin; fy <= j + fil_margin; fy++) {
|
||||||
|
if (fy < 0 || fy >= dim.ly) {
|
||||||
|
fil_p += blur_filter_size;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
for (int fx = i - fil_margin; fx <= i + fil_margin; fx++, fil_p++) {
|
||||||
|
if (fx < 0 || fx >= dim.lx) continue;
|
||||||
|
|
||||||
|
*dst_p += *fil_p * distance_p[fy * dim.lx + fx];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/* power the value */
|
||||||
|
*dst_p = 1.0f - std::pow(*dst_p, power);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::processNoise(float* thickness_map_p, float* depth_map_p,
|
||||||
|
TDimensionI dim, double frame,
|
||||||
|
const TRenderSettings& settings) {
|
||||||
|
float noise_depth_mix_ratio = (float)m_noise_depth_mix_ratio->getValue(frame);
|
||||||
|
float noise_thickness_mix_ratio =
|
||||||
|
(float)m_noise_thickness_mix_ratio->getValue(frame);
|
||||||
|
|
||||||
|
/* If the noise ratio is 0, do nothing and return */
|
||||||
|
if (noise_depth_mix_ratio == 0.0f && noise_thickness_mix_ratio == 0.0f)
|
||||||
|
return;
|
||||||
|
|
||||||
|
int noise_sub_depth = m_noise_sub_depth->getValue();
|
||||||
|
int noise_resolution_s = (int)m_noise_resolution_s->getValue(frame);
|
||||||
|
int noise_resolution_t = (int)m_noise_resolution_t->getValue(frame);
|
||||||
|
float noise_composite_ratio =
|
||||||
|
(float)m_noise_sub_composite_ratio->getValue(frame);
|
||||||
|
float noise_evolution = (float)m_noise_evolution->getValue(frame);
|
||||||
|
|
||||||
|
/* initialize the phase map */
|
||||||
|
QList<int> noise_amount;
|
||||||
|
QList<QSize> noise_base_resolution;
|
||||||
|
int whole_noise_amount = 0;
|
||||||
|
|
||||||
|
for (int layer = 0; layer < noise_sub_depth; layer++) {
|
||||||
|
/* noise resolution */
|
||||||
|
/* width: circumferential direction height:distal direction */
|
||||||
|
QSize size;
|
||||||
|
size.setWidth(std::pow(2, layer) * noise_resolution_s);
|
||||||
|
size.setHeight(std::pow(2, layer) * noise_resolution_t + 1);
|
||||||
|
noise_base_resolution.append(size);
|
||||||
|
int amount = size.width() * size.height();
|
||||||
|
noise_amount.append(amount);
|
||||||
|
whole_noise_amount += amount;
|
||||||
|
}
|
||||||
|
|
||||||
|
float* noise_phases = new float[whole_noise_amount];
|
||||||
|
float* ph_p = noise_phases;
|
||||||
|
|
||||||
|
srand(0);
|
||||||
|
/* Set the phase differences (0-2ƒÎ) */
|
||||||
|
for (int i = 0; i < whole_noise_amount; i++, ph_p++) {
|
||||||
|
*ph_p = (float)rand() / (float)RAND_MAX * 2.0f * PI;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* make noise base */
|
||||||
|
/* compute composite ratio of each layer */
|
||||||
|
QList<float> comp_ratios;
|
||||||
|
comp_ratios.append(10.0f);
|
||||||
|
float ratio_sum = 10.0f;
|
||||||
|
for (int i = 1; i < noise_sub_depth; i++) {
|
||||||
|
comp_ratios.append(comp_ratios.last() * noise_composite_ratio);
|
||||||
|
ratio_sum += comp_ratios.last();
|
||||||
|
}
|
||||||
|
/* normalize */
|
||||||
|
for (int i = 0; i < noise_sub_depth; i++) comp_ratios[i] /= ratio_sum;
|
||||||
|
|
||||||
|
float* noise_base = new float[whole_noise_amount];
|
||||||
|
|
||||||
|
float* nb_p = noise_base;
|
||||||
|
ph_p = noise_phases;
|
||||||
|
|
||||||
|
/* for each sub-noise layer */
|
||||||
|
for (int layer = 0; layer < noise_sub_depth; layer++) {
|
||||||
|
float tmp_evolution = noise_evolution * (float)(layer + 1);
|
||||||
|
for (int i = 0; i < noise_amount[layer]; i++, nb_p++, ph_p++) {
|
||||||
|
*nb_p = comp_ratios[layer] * (cosf(tmp_evolution + *ph_p) / 2.0f + 0.5f);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
delete[] noise_phases;
|
||||||
|
|
||||||
|
TRasterGR8P norm_angle_ras(sizeof(float) * dim.lx * dim.ly, 1);
|
||||||
|
norm_angle_ras->lock();
|
||||||
|
float* norm_angle_p = (float*)norm_angle_ras->getRawData();
|
||||||
|
|
||||||
|
calc_norm_angle(norm_angle_p, depth_map_p, dim, settings.m_shrinkX);
|
||||||
|
|
||||||
|
TRasterGR8P noise_map_ras(sizeof(float) * dim.lx * dim.ly, 1);
|
||||||
|
noise_map_ras->lock();
|
||||||
|
float* noise_map_p = (float*)noise_map_ras->getRawData();
|
||||||
|
|
||||||
|
make_noise_map(noise_map_p, depth_map_p, norm_angle_p, dim, noise_amount,
|
||||||
|
noise_base_resolution, noise_sub_depth, noise_base);
|
||||||
|
|
||||||
|
norm_angle_ras->unlock();
|
||||||
|
delete[] noise_base;
|
||||||
|
|
||||||
|
/* composite with perlin noise */
|
||||||
|
add_noise(thickness_map_p, depth_map_p, dim, noise_map_p,
|
||||||
|
noise_thickness_mix_ratio, noise_depth_mix_ratio);
|
||||||
|
|
||||||
|
noise_map_ras->unlock();
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::calc_norm_angle(float* norm_angle_p, float* depth_map_p,
|
||||||
|
TDimensionI dim, int shrink) {
|
||||||
|
struct Locals {
|
||||||
|
TDimensionI _dim;
|
||||||
|
const float* _depth_p;
|
||||||
|
float data(int x, int y) {
|
||||||
|
if (x < 0 || _dim.lx <= x || y < 0 || _dim.ly <= y) return 0.0f;
|
||||||
|
return _depth_p[y * _dim.lx + x];
|
||||||
|
}
|
||||||
|
} locals = {dim, depth_map_p};
|
||||||
|
|
||||||
|
int sampleDistance =
|
||||||
|
std::max(1, m_normal_sample_distance->getValue() / shrink);
|
||||||
|
float* dst_p = norm_angle_p;
|
||||||
|
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
int sample_y[2] = {j - sampleDistance, j + sampleDistance};
|
||||||
|
if (sample_y[0] < 0) sample_y[0] = 0;
|
||||||
|
if (sample_y[1] >= dim.ly) sample_y[1] = dim.ly - 1;
|
||||||
|
|
||||||
|
for (int i = 0; i < dim.lx; i++, norm_angle_p++) {
|
||||||
|
int sample_x[2] = {i - sampleDistance, i + sampleDistance};
|
||||||
|
if (sample_x[1] >= dim.lx) sample_x[1] = dim.lx - 1;
|
||||||
|
if (sample_x[0] < 0) sample_x[0] = 0;
|
||||||
|
|
||||||
|
float gradient[2];
|
||||||
|
gradient[0] =
|
||||||
|
(locals.data(sample_x[0], j) - locals.data(sample_x[1], j)) /
|
||||||
|
(float)(sample_x[0] - sample_x[1]);
|
||||||
|
gradient[1] =
|
||||||
|
(locals.data(i, sample_y[0]) - locals.data(i, sample_y[1])) /
|
||||||
|
(float)(sample_y[0] - sample_y[1]);
|
||||||
|
|
||||||
|
if (gradient[0] == 0.0f && gradient[1] == 0.0f)
|
||||||
|
*norm_angle_p = 0.0f;
|
||||||
|
else /* normalize value range to 0-1 */
|
||||||
|
*norm_angle_p =
|
||||||
|
0.5f + std::atan2(gradient[0], gradient[1]) / (2.0f * PI);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::make_noise_map(float* noise_map_p, float* depth_map_p,
|
||||||
|
float* norm_angle_p, TDimensionI dim,
|
||||||
|
const QList<int>& noise_amount,
|
||||||
|
const QList<QSize>& noise_base_resolution,
|
||||||
|
int noise_sub_depth, float* noise_base) {
|
||||||
|
float* dst_p = noise_map_p;
|
||||||
|
float* depth_p = depth_map_p;
|
||||||
|
float* norm_p = norm_angle_p;
|
||||||
|
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
for (int i = 0; i < dim.lx; i++, dst_p++, depth_p++, norm_p++) {
|
||||||
|
/* Obtain coordinate */
|
||||||
|
/* circumferential direction */
|
||||||
|
float tmp_s = (*norm_p);
|
||||||
|
/* distal direction */
|
||||||
|
float tmp_t = std::min(1.0f, *depth_p);
|
||||||
|
|
||||||
|
/* accumulate noise values */
|
||||||
|
*dst_p = 0.0f;
|
||||||
|
float* noise_layer_base = noise_base;
|
||||||
|
for (int layer = 0; layer < noise_sub_depth; layer++) {
|
||||||
|
/* obtain pseudo polar coords */
|
||||||
|
QSize reso = noise_base_resolution.at(layer);
|
||||||
|
float polar_s =
|
||||||
|
tmp_s * (float)(reso.width()); /* because it is circumferential */
|
||||||
|
float polar_t = tmp_t * (float)(reso.height() - 1);
|
||||||
|
|
||||||
|
/* first, compute circumferential position and ratio */
|
||||||
|
int neighbor_s[2];
|
||||||
|
neighbor_s[0] = (int)std::floor(polar_s);
|
||||||
|
neighbor_s[1] = neighbor_s[0] + 1;
|
||||||
|
if (neighbor_s[0] == reso.width()) neighbor_s[0] = 0;
|
||||||
|
if (neighbor_s[1] >= reso.width()) neighbor_s[1] = 0;
|
||||||
|
float ratio_s = polar_s - std::floor(polar_s);
|
||||||
|
|
||||||
|
/* second, compute distal position and ratio */
|
||||||
|
int neighbor_t[2];
|
||||||
|
neighbor_t[0] = (int)std::floor(polar_t);
|
||||||
|
neighbor_t[1] = neighbor_t[0] + 1;
|
||||||
|
if (neighbor_t[1] == reso.height()) neighbor_t[1] -= 1;
|
||||||
|
float ratio_t = polar_t - std::floor(polar_t);
|
||||||
|
|
||||||
|
*dst_p += noise_interp(neighbor_s[0], neighbor_s[1], neighbor_t[0],
|
||||||
|
neighbor_t[1], ratio_s, ratio_t,
|
||||||
|
noise_layer_base, reso.width());
|
||||||
|
|
||||||
|
/* offset noise pointer */
|
||||||
|
noise_layer_base += noise_amount[layer];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
float Iwa_SoapBubbleFx::noise_interp(int left, int right, int bottom, int top,
|
||||||
|
float ratio_s, float ratio_t,
|
||||||
|
float* noise_layer_base, int noise_dim_x) {
|
||||||
|
struct Locals {
|
||||||
|
int _dim_x;
|
||||||
|
const float* _noise_p;
|
||||||
|
float data(int x, int y) { return _noise_p[y * _dim_x + x]; }
|
||||||
|
} locals = {noise_dim_x, noise_layer_base};
|
||||||
|
|
||||||
|
float c_ratio_s = (1.0f - cosf(ratio_s * PI)) * 0.5f;
|
||||||
|
float c_ratio_t = (1.0f - cosf(ratio_t * PI)) * 0.5f;
|
||||||
|
|
||||||
|
return locals.data(left, bottom) * (1.0f - c_ratio_s) * (1.0f - c_ratio_t) +
|
||||||
|
locals.data(right, bottom) * c_ratio_s * (1.0f - c_ratio_t) +
|
||||||
|
locals.data(left, top) * (1.0f - c_ratio_s) * c_ratio_t +
|
||||||
|
locals.data(right, top) * c_ratio_s * c_ratio_t;
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::add_noise(float* thickness_map_p, float* depth_map_p,
|
||||||
|
TDimensionI dim, float* noise_map_p,
|
||||||
|
float noise_thickness_mix_ratio,
|
||||||
|
float noise_depth_mix_ratio) {
|
||||||
|
float one_minus_thickness_ratio = 1.0f - noise_thickness_mix_ratio;
|
||||||
|
float one_minus_depth_ratio = 1.0f - noise_depth_mix_ratio;
|
||||||
|
float* tmp_thickness = thickness_map_p;
|
||||||
|
float* tmp_depth = depth_map_p;
|
||||||
|
float* tmp_noise = noise_map_p;
|
||||||
|
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
for (int i = 0; i < dim.lx;
|
||||||
|
i++, tmp_thickness++, tmp_depth++, tmp_noise++) {
|
||||||
|
*tmp_thickness = *tmp_noise * noise_thickness_mix_ratio +
|
||||||
|
*tmp_thickness * one_minus_thickness_ratio;
|
||||||
|
*tmp_depth = *tmp_noise * noise_depth_mix_ratio +
|
||||||
|
*tmp_depth * one_minus_depth_ratio;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//------------------------------------
|
||||||
|
|
||||||
|
void Iwa_SoapBubbleFx::do_distance_transform(float* dst_p, TDimensionI dim,
|
||||||
|
double frame) {
|
||||||
|
float ar = (float)m_shape_aspect_ratio->getValue(frame);
|
||||||
|
|
||||||
|
float* f = new float[std::max(dim.lx, dim.ly)];
|
||||||
|
|
||||||
|
float max_val = 0.0f;
|
||||||
|
|
||||||
|
float* tmp_dst = dst_p;
|
||||||
|
/* transform along rows */
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
for (int i = 0; i < dim.lx; i++, *tmp_dst++) {
|
||||||
|
f[i] = *tmp_dst;
|
||||||
|
}
|
||||||
|
|
||||||
|
tmp_dst -= dim.lx;
|
||||||
|
|
||||||
|
float* d = dt(f, dim.lx);
|
||||||
|
for (int i = 0; i < dim.lx; i++, tmp_dst++) {
|
||||||
|
*tmp_dst = d[i];
|
||||||
|
}
|
||||||
|
delete[] d;
|
||||||
|
}
|
||||||
|
/* transform along columns */
|
||||||
|
for (int i = 0; i < dim.lx; i++) {
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
f[j] = dst_p[j * dim.lx + i];
|
||||||
|
}
|
||||||
|
float* d =
|
||||||
|
dt(f, dim.ly,
|
||||||
|
ar); /* ar : taking account of the aspect ratio of the shape */
|
||||||
|
for (int j = 0; j < dim.ly; j++) {
|
||||||
|
dst_p[j * dim.lx + i] = d[j];
|
||||||
|
if (d[j] > max_val) max_val = d[j];
|
||||||
|
}
|
||||||
|
delete[] d;
|
||||||
|
}
|
||||||
|
|
||||||
|
tmp_dst = dst_p;
|
||||||
|
max_val = std::sqrt(max_val);
|
||||||
|
|
||||||
|
/* square root and normalize */
|
||||||
|
for (int i = 0; i < dim.lx * dim.ly; i++, *tmp_dst++) {
|
||||||
|
*tmp_dst = std::sqrt(*tmp_dst) / max_val;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//==============================================================================
|
||||||
|
|
||||||
|
FX_PLUGIN_IDENTIFIER(Iwa_SoapBubbleFx, "iwa_SoapBubbleFx");
|
||||||
88
toonz/sources/stdfx/iwa_soapbubblefx.h
Normal file
88
toonz/sources/stdfx/iwa_soapbubblefx.h
Normal file
|
|
@ -0,0 +1,88 @@
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
/*------------------------------------
|
||||||
|
Iwa_SoapBubbleFx
|
||||||
|
Generates thin film interference colors from two reference images;
|
||||||
|
one is for thickness and the other one is for shape or normal vector
|
||||||
|
distribution of the film.
|
||||||
|
Inherits Iwa_SpectrumFx.
|
||||||
|
------------------------------------*/
|
||||||
|
|
||||||
|
#ifndef IWA_SOAPBUBBLE_H
|
||||||
|
#define IWA_SOAPBUBBLE_H
|
||||||
|
|
||||||
|
#include "iwa_spectrumfx.h"
|
||||||
|
|
||||||
|
class Iwa_SoapBubbleFx final : public Iwa_SpectrumFx {
|
||||||
|
FX_PLUGIN_DECLARATION(Iwa_SoapBubbleFx)
|
||||||
|
|
||||||
|
protected:
|
||||||
|
/* target shape, used to create a pseudo normal vector */
|
||||||
|
TRasterFxPort m_shape;
|
||||||
|
/* another option, to input a depth map directly */
|
||||||
|
TRasterFxPort m_depth;
|
||||||
|
// shape parameters
|
||||||
|
TDoubleParamP m_binarize_threshold;
|
||||||
|
TDoubleParamP m_shape_aspect_ratio;
|
||||||
|
TDoubleParamP m_blur_radius;
|
||||||
|
TDoubleParamP m_blur_power;
|
||||||
|
|
||||||
|
// noise parameters
|
||||||
|
TIntParamP m_normal_sample_distance;
|
||||||
|
TIntParamP m_noise_sub_depth;
|
||||||
|
TDoubleParamP m_noise_resolution_s;
|
||||||
|
TDoubleParamP m_noise_resolution_t;
|
||||||
|
TDoubleParamP m_noise_sub_composite_ratio;
|
||||||
|
TDoubleParamP m_noise_evolution;
|
||||||
|
TDoubleParamP m_noise_depth_mix_ratio;
|
||||||
|
TDoubleParamP m_noise_thickness_mix_ratio;
|
||||||
|
|
||||||
|
template <typename RASTER, typename PIXEL>
|
||||||
|
void convertToBrightness(const RASTER srcRas, float* dst, TDimensionI dim);
|
||||||
|
|
||||||
|
template <typename RASTER, typename PIXEL>
|
||||||
|
void convertToRaster(const RASTER ras, float* thickness_map_p,
|
||||||
|
float* depth_map_p, TDimensionI dim,
|
||||||
|
float3* bubbleColor_p);
|
||||||
|
|
||||||
|
void processShape(double frame, TTile& shape_tile, float* depth_map_p,
|
||||||
|
TDimensionI dim, const TRenderSettings& settings);
|
||||||
|
|
||||||
|
void do_binarize(TRaster32P srcRas, char* dst_p, float thres,
|
||||||
|
float* distance_p, TDimensionI dim);
|
||||||
|
|
||||||
|
void do_createBlurFilter(float* dst_p, int size, float radius);
|
||||||
|
|
||||||
|
void do_applyFilter(float* depth_map_p, TDimensionI dim, float* distace_p,
|
||||||
|
char* binarized_p, float* blur_filter_p,
|
||||||
|
int blur_filter_size, double frame);
|
||||||
|
|
||||||
|
void processNoise(float* thickness_map_p, float* depth_map_p, TDimensionI dim,
|
||||||
|
double frame, const TRenderSettings& settings);
|
||||||
|
|
||||||
|
void calc_norm_angle(float* norm_angle_p, float* depth_map_p, TDimensionI dim,
|
||||||
|
int shrink);
|
||||||
|
|
||||||
|
void make_noise_map(float* noise_map_p, float* depth_map_p,
|
||||||
|
float* norm_angle_p, TDimensionI dim,
|
||||||
|
const QList<int>& noise_amount,
|
||||||
|
const QList<QSize>& noise_base_resolution,
|
||||||
|
int noise_sub_depth, float* noise_base);
|
||||||
|
|
||||||
|
float noise_interp(int left, int right, int bottom, int top, float ratio_s,
|
||||||
|
float ratio_t, float* noise_layer_base, int noise_dim_x);
|
||||||
|
|
||||||
|
void add_noise(float* thickness_map_p, float* depth_map_p, TDimensionI dim,
|
||||||
|
float* noise_map_p, float noise_thickness_mix_ratio,
|
||||||
|
float noise_depth_mix_ratio);
|
||||||
|
|
||||||
|
void do_distance_transform(float* dst_p, TDimensionI dim, double frame);
|
||||||
|
|
||||||
|
public:
|
||||||
|
Iwa_SoapBubbleFx();
|
||||||
|
|
||||||
|
void doCompute(TTile& tile, double frame,
|
||||||
|
const TRenderSettings& settings) override;
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -13,25 +13,27 @@ const float PI = 3.14159265f;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*------------------------------------
|
/*------------------------------------
|
||||||
シャボン色マップの生成
|
Calculate soap bubble color map
|
||||||
------------------------------------*/
|
------------------------------------*/
|
||||||
void Iwa_SpectrumFx::calcBubbleMap(float3 *bubbleColor, double frame) {
|
void Iwa_SpectrumFx::calcBubbleMap(float3 *bubbleColor, double frame,
|
||||||
int j, k; /*- bubbleColor[j][k] = [256][3] -*/
|
bool computeAngularAxis) {
|
||||||
float d; /*- 膜厚(μm) -*/
|
int i, j, k; /* bubbleColor[j][k] = [256][3] */
|
||||||
int ram; /*- 波長のfor文用 -*/
|
float d; /* Thickness of the film (μm) */
|
||||||
float rambda; /*- 波長(μm) -*/
|
int ram; /* rambda iterator */
|
||||||
|
float rambda; /* wavelength of light (μm) */
|
||||||
struct REFLECTIVITY {
|
struct REFLECTIVITY {
|
||||||
float r_ab, t_ab, r_ba, t_ba; /*- 各境界での振幅反射率、振幅透過率 -*/
|
/* transmission and reflection amplitudes for each boundary */
|
||||||
float r_real, r_img; /*- 薄膜の振幅反射率 -*/
|
float r_ab, t_ab, r_ba, t_ba;
|
||||||
float R; /*- エネルギー反射率 -*/
|
float r_real, r_img; /* reflection amplitude of the film */
|
||||||
|
float R; /* energy reflectance */
|
||||||
} p, s;
|
} p, s;
|
||||||
float R_final; /*- エネルギー反射率の最終版 -*/
|
float R_final; /* combined energy reflectance */
|
||||||
float phi; /*- 位相 -*/
|
float phi; /* phase */
|
||||||
float color_x, color_y, color_z; /*- ｘｙｚ表色系 -*/
|
float color_x, color_y, color_z; /* xyz color channels */
|
||||||
|
|
||||||
float temp_rgb_f[3];
|
float temp_rgb_f[3];
|
||||||
|
|
||||||
/*- パラメータを得る -*/
|
/* obtain parameters */
|
||||||
float intensity = (float)m_intensity->getValue(frame);
|
float intensity = (float)m_intensity->getValue(frame);
|
||||||
float refractiveIndex = (float)m_refractiveIndex->getValue(frame);
|
float refractiveIndex = (float)m_refractiveIndex->getValue(frame);
|
||||||
float thickMax = (float)m_thickMax->getValue(frame);
|
float thickMax = (float)m_thickMax->getValue(frame);
|
||||||
|
|
@ -41,57 +43,75 @@ void Iwa_SpectrumFx::calcBubbleMap(float3 *bubbleColor, double frame) {
|
||||||
(float)m_BGamma->getValue(frame)};
|
(float)m_BGamma->getValue(frame)};
|
||||||
float lensFactor = (float)m_lensFactor->getValue(frame);
|
float lensFactor = (float)m_lensFactor->getValue(frame);
|
||||||
|
|
||||||
/*- 入射角は０で固定 -*/
|
/* for Iwa_SpectrumFx, incident angle is fixed to 0,
|
||||||
|
for Iwa_SoapBubbleFx, compute for all discrete incident angles*/
|
||||||
|
int i_max = (computeAngularAxis) ? 256 : 1;
|
||||||
|
float3 *bubble_p = bubbleColor;
|
||||||
|
|
||||||
/*- 各境界での振幅反射率、振幅透過率の計算(PS偏光とも) -*/
|
/* for each discrete incident angle */
|
||||||
/*- P偏光 -*/
|
for (i = 0; i < i_max; i++) {
|
||||||
p.r_ab = (1.0 - refractiveIndex) / (1.0 + refractiveIndex);
|
/* incident angle (radian) */
|
||||||
|
float angle_in = PI / 2.0f / 255.0f * (float)i;
|
||||||
|
/* refraction angle (radian) */
|
||||||
|
float angle_re = asinf(sinf(angle_in) / refractiveIndex);
|
||||||
|
|
||||||
|
/* transmission and reflection amplitudes for each boundary, for each
|
||||||
|
* polarization */
|
||||||
|
float cos_in = cosf(angle_in);
|
||||||
|
float cos_re = cosf(angle_re);
|
||||||
|
// P-polarized light
|
||||||
|
p.r_ab = (cos_re - refractiveIndex * cos_in) /
|
||||||
|
(cos_re + refractiveIndex * cos_re);
|
||||||
p.t_ab = (1.0f - p.r_ab) / refractiveIndex;
|
p.t_ab = (1.0f - p.r_ab) / refractiveIndex;
|
||||||
p.r_ba = -p.r_ab;
|
p.r_ba = -p.r_ab;
|
||||||
p.t_ba = (1.0f + p.r_ab) * refractiveIndex;
|
p.t_ba = (1.0f + p.r_ab) * refractiveIndex;
|
||||||
/*- S偏光 -*/
|
// S-polarized light
|
||||||
s.r_ab = (1.0 - refractiveIndex) / (1.0 + refractiveIndex);
|
s.r_ab = (cos_in - refractiveIndex * cos_re) /
|
||||||
|
(cos_in + refractiveIndex * cos_re);
|
||||||
s.t_ab = 1.0f + s.r_ab;
|
s.t_ab = 1.0f + s.r_ab;
|
||||||
s.r_ba = -s.r_ab;
|
s.r_ba = -s.r_ab;
|
||||||
s.t_ba = 1.0f - s.r_ab;
|
s.t_ba = 1.0f - s.r_ab;
|
||||||
|
|
||||||
for (j = 0; j < 256; j++) { /*- 膜厚d -*/
|
/* for each discrete thickness */
|
||||||
/*- 膜厚d(μm)の計算 -*/
|
for (j = 0; j < 256; j++) {
|
||||||
|
/* calculate the thickness of film (μm) */
|
||||||
d = thickMin +
|
d = thickMin +
|
||||||
(thickMax - thickMin) * powf(((float)j / 255.0f), lensFactor);
|
(thickMax - thickMin) * powf(((float)j / 255.0f), lensFactor);
|
||||||
|
|
||||||
/*- 膜厚が負になることもありうる。その場合は d = 0 に合わせる -*/
|
/* there may be a case that the thickness is smaller than 0 */
|
||||||
if (d < 0.0f) d = 0.0f;
|
if (d < 0.0f) d = 0.0f;
|
||||||
|
|
||||||
/*- これから積算するので、XYZ表色系各チャンネルの初期化 -*/
|
/* initialize XYZ color channels */
|
||||||
color_x = 0.0f;
|
color_x = 0.0f;
|
||||||
color_y = 0.0f;
|
color_y = 0.0f;
|
||||||
color_z = 0.0f;
|
color_z = 0.0f;
|
||||||
|
|
||||||
for (ram = 0; ram < 34; ram++) { /*- 波長λ（380nm-710nm） -*/
|
/* for each wavelength (in the range of visible light, 380nm-710nm) */
|
||||||
/*- 波長λ(μm)の計算 -*/
|
for (ram = 0; ram < 34; ram++) {
|
||||||
|
/* wavelength `λ` (μm) */
|
||||||
rambda = 0.38f + 0.01f * (float)ram;
|
rambda = 0.38f + 0.01f * (float)ram;
|
||||||
/*- 位相の計算 -*/
|
/* phase of light */
|
||||||
phi = 4.0f * PI * refractiveIndex * d / rambda;
|
phi = 4.0f * PI * refractiveIndex * d * cos_re / rambda;
|
||||||
/*- 薄膜の振幅反射率の計算（PS偏光とも） -*/
|
/* reflection amplitude of the film for each polarization */
|
||||||
/*- P偏光 -*/
|
// P-polarized light
|
||||||
p.r_real = p.r_ab + p.t_ab * p.r_ba * p.t_ba * cosf(phi);
|
p.r_real = p.r_ab + p.t_ab * p.r_ba * p.t_ba * cosf(phi);
|
||||||
p.r_img = p.t_ab * p.r_ba * p.t_ba * sinf(phi);
|
p.r_img = p.t_ab * p.r_ba * p.t_ba * sinf(phi);
|
||||||
/*- S偏光 -*/
|
// S-polarized light
|
||||||
s.r_real = s.r_ab + s.t_ab * s.r_ba * s.t_ba * cosf(phi);
|
s.r_real = s.r_ab + s.t_ab * s.r_ba * s.t_ba * cosf(phi);
|
||||||
s.r_img = s.t_ab * s.r_ba * s.t_ba * sinf(phi);
|
s.r_img = s.t_ab * s.r_ba * s.t_ba * sinf(phi);
|
||||||
|
|
||||||
p.R = p.r_real * p.r_real + p.r_img * p.r_img;
|
p.R = p.r_real * p.r_real + p.r_img * p.r_img;
|
||||||
s.R = s.r_real * s.r_real + s.r_img * s.r_img;
|
s.R = s.r_real * s.r_real + s.r_img * s.r_img;
|
||||||
|
|
||||||
/*- エネルギー反射率 -*/
|
/* combined energy reflectance */
|
||||||
R_final = (p.R + s.R) / 2.0f;
|
R_final = (p.R + s.R) / 2.0f;
|
||||||
|
|
||||||
|
/* accumulate XYZ channel values */
|
||||||
color_x += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 0];
|
color_x += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 0];
|
||||||
color_y += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 1];
|
color_y += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 1];
|
||||||
color_z += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 2];
|
color_z += intensity * cie_d65[ram] * R_final * xyz[ram * 3 + 2];
|
||||||
|
|
||||||
} /*- 次のramへ(波長λ) -*/
|
} /* next wavelength (ram) */
|
||||||
|
|
||||||
temp_rgb_f[0] =
|
temp_rgb_f[0] =
|
||||||
3.240479f * color_x - 1.537150f * color_y - 0.498535f * color_z;
|
3.240479f * color_x - 1.537150f * color_y - 0.498535f * color_z;
|
||||||
|
|
@ -100,20 +120,22 @@ void Iwa_SpectrumFx::calcBubbleMap(float3 *bubbleColor, double frame) {
|
||||||
temp_rgb_f[2] =
|
temp_rgb_f[2] =
|
||||||
0.055648f * color_x - 0.204043f * color_y + 1.057311f * color_z;
|
0.055648f * color_x - 0.204043f * color_y + 1.057311f * color_z;
|
||||||
|
|
||||||
/*- オーバーフローをまるめる -*/
|
/* clamp overflows */
|
||||||
for (k = 0; k < 3; k++) {
|
for (k = 0; k < 3; k++) {
|
||||||
if (temp_rgb_f[k] < 0.0f) temp_rgb_f[k] = 0.0f;
|
if (temp_rgb_f[k] < 0.0f) temp_rgb_f[k] = 0.0f;
|
||||||
|
|
||||||
/*- ガンマ処理 -*/
|
/* gamma adjustment */
|
||||||
temp_rgb_f[k] = powf((temp_rgb_f[k] / 255.0f), rgbGamma[k]);
|
temp_rgb_f[k] = powf((temp_rgb_f[k] / 255.0f), rgbGamma[k]);
|
||||||
|
|
||||||
if (temp_rgb_f[k] >= 1.0f) temp_rgb_f[k] = 1.0f;
|
if (temp_rgb_f[k] >= 1.0f) temp_rgb_f[k] = 1.0f;
|
||||||
}
|
}
|
||||||
bubbleColor[j].x = temp_rgb_f[0];
|
bubble_p->x = temp_rgb_f[0];
|
||||||
bubbleColor[j].y = temp_rgb_f[1];
|
bubble_p->y = temp_rgb_f[1];
|
||||||
bubbleColor[j].z = temp_rgb_f[2];
|
bubble_p->z = temp_rgb_f[2];
|
||||||
|
bubble_p++;
|
||||||
|
|
||||||
} /*- 次のjへ(膜厚d) -*/
|
} /*- next thickness d (j) -*/
|
||||||
|
} /*- next incident angle (i) -*/
|
||||||
}
|
}
|
||||||
|
|
||||||
//------------------------------------
|
//------------------------------------
|
||||||
|
|
|
||||||
|
|
@ -14,12 +14,14 @@
|
||||||
|
|
||||||
struct float3 {
|
struct float3 {
|
||||||
float x, y, z;
|
float x, y, z;
|
||||||
|
float3 operator*(const float &a) { return {x * a, y * a, z * a}; }
|
||||||
|
float3 operator+(const float3 &a) { return {x + a.x, y + a.y, z + a.z}; }
|
||||||
};
|
};
|
||||||
struct float4 {
|
struct float4 {
|
||||||
float x, y, z, w;
|
float x, y, z, w;
|
||||||
};
|
};
|
||||||
|
|
||||||
class Iwa_SpectrumFx final : public TStandardRasterFx {
|
class Iwa_SpectrumFx : public TStandardRasterFx {
|
||||||
FX_PLUGIN_DECLARATION(Iwa_SpectrumFx)
|
FX_PLUGIN_DECLARATION(Iwa_SpectrumFx)
|
||||||
|
|
||||||
protected:
|
protected:
|
||||||
|
|
@ -38,7 +40,8 @@ protected:
|
||||||
TDoubleParamP m_lightIntensity;
|
TDoubleParamP m_lightIntensity;
|
||||||
|
|
||||||
/*- シャボン色マップの生成 -*/
|
/*- シャボン色マップの生成 -*/
|
||||||
void calcBubbleMap(float3 *bubbleColor, double frame);
|
void calcBubbleMap(float3 *bubbleColor, double frame,
|
||||||
|
bool computeAngularAxis = false);
|
||||||
|
|
||||||
template <typename RASTER, typename PIXEL>
|
template <typename RASTER, typename PIXEL>
|
||||||
void convertRaster(const RASTER ras, TDimensionI dim, float3 *bubbleColor);
|
void convertRaster(const RASTER ras, TDimensionI dim, float3 *bubbleColor);
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue