/// <summary>
/// Creates a 3D texture.
/// </summary>
public static Texture3D CreateTexture3DFromResources(string texturePathFromResources, int slices)
{
Texture3D texture3D = null;
Texture2D texture2D = Resources.Load<Texture2D>(texturePathFromResources);
if (texture2D != null)
{
int height = texture2D.height;
int width = texture2D.width / slices;
Color[] pixels2D = texture2D.GetPixels();
Color[] pixels3D = new Color[pixels2D.Length];
for (int z = 0; z < slices; ++z)
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x)
pixels3D[x + (y * width) + (z * (width * height))] = pixels2D[x + (z * width) + (((width - y) - 1) * width * height)];
texture3D = new Texture3D(width, height, slices, TextureFormat.ARGB32, false);
texture3D.SetPixels(pixels3D);
texture3D.Apply();
texture3D.filterMode = FilterMode.Trilinear;
texture3D.wrapMode = TextureWrapMode.Clamp;
texture3D.anisoLevel = 1;
}
else
Debug.LogWarning(string.Format("Texture '{0}' not found in 'Resources/Textures' folder.", texturePathFromResources));
return texture3D;
}
protected void SetIdentityLut()
{
int dim = 16;
Color[] newC = new Color[dim * dim * dim];
float oneOverDim = 1.0f / (1.0f * dim - 1.0f);
for (int i = 0; i < dim; i++)
{
for (int j = 0; j < dim; j++)
{
for (int k = 0; k < dim; k++)
{
newC[i + (j * dim) + (k * dim * dim)] = new Color((i * 1.0f) * oneOverDim, (j * 1.0f) * oneOverDim, (k * 1.0f) * oneOverDim, 1.0f);
}
}
}
if (m_Lut3D)
DestroyImmediate(m_Lut3D);
m_Lut3D = new Texture3D(dim, dim, dim, TextureFormat.ARGB32, false);
m_Lut3D.hideFlags = HideFlags.HideAndDontSave;
m_Lut3D.SetPixels(newC);
m_Lut3D.Apply();
m_BaseTextureName = "";
}
static public int SetPixels(IntPtr l)
{
try{
if (matchType(l, 2, typeof(UnityEngine.Color), typeof(System.Int32)))
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
self.SetPixels(a1, a2);
return(0);
}
else if (matchType(l, 2, typeof(UnityEngine.Color)))
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] a1;
checkType(l, 2, out a1);
self.SetPixels(a1);
return(0);
}
LuaDLL.luaL_error(l, "No matched override function to call");
return(0);
}
catch (Exception e) {
LuaDLL.luaL_error(l, e.ToString());
return(0);
}
}
static public int Apply(IntPtr l)
{
try{
if (matchType(l, 2, typeof(System.Boolean)))
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
self.Apply(a1);
return(0);
}
else if (matchType(l, 2))
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
self.Apply();
return(0);
}
LuaDLL.luaL_error(l, "No matched override function to call");
return(0);
}
catch (Exception e) {
LuaDLL.luaL_error(l, e.ToString());
return(0);
}
}
static public int GetPixels32(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
if (argc == 1)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
var ret = self.GetPixels32();
pushValue(l, true);
pushValue(l, ret);
return(2);
}
else if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Int32 a1;
checkType(l, 2, out a1);
var ret = self.GetPixels32(a1);
pushValue(l, true);
pushValue(l, ret);
return(2);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int get_isReadable(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
pushValue(l, true);
pushValue(l, self.isReadable);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
// fields
// properties
static void Texture3D_depth(JSVCall vc)
{
UnityEngine.Texture3D _this = (UnityEngine.Texture3D)vc.csObj;
var result = _this.depth;
JSApi.setInt32((int)JSApi.SetType.Rval, (System.Int32)(result));
}
static public int SetPixels(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] a1;
checkArray(l, 2, out a1);
self.SetPixels(a1);
pushValue(l, true);
return(1);
}
else if (argc == 3)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] a1;
checkArray(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
self.SetPixels(a1, a2);
pushValue(l, true);
return(1);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
public void Generate()
{
tex = new Texture3D(size, size, size, TextureFormat.RGB24, true);
var cols = new Color[size * size * size];
// float mul = 1.0f / (size-1);
int idx = 0;
Color c = Color.black;
for (int z = 0; z < size; ++z)
{
for (int y = 0; y < size; ++y)
{
for (int x = 0; x < size; ++x, ++idx)
{
c.r = fbm(x, y, z);
c.g = c.r;
c.b = c.r;
cols[idx] = c;
}
}
}
tex.SetPixels(cols);
tex.Apply();
Shader.SetGlobalTexture("_3DTex", tex);
}
void Create3DTexture()
{
int iTexSizeX = m_pClouds2DTex.width;
int iTexSizeY = m_pClouds2DTex.height;
int iTextureDepth = iTexSizeX / m_iLayersSquaredSize;
int iLayerSize = m_iLayersSquaredSize * m_iLayersSquaredSize;
m_pClouds3D = new Texture3D(m_iLayersSquaredSize, m_iLayersSquaredSize, iTextureDepth, TextureFormat.ARGB32, true);
Color[] pTexColor = new Color[iTexSizeX * iTexSizeY];
for (int x = 0; x < iTexSizeX; x++)
{
for (int y = 0; y < iTexSizeY; y++)
{
int iLayer = x / m_iLayersSquaredSize;
int iLayerIndex = (y * m_iLayersSquaredSize) + (x % m_iLayersSquaredSize);
int iIndex = (iLayer * iLayerSize) + iLayerIndex;
Color tColor = m_pClouds2DTex.GetPixel(x, y);
pTexColor[iIndex] = tColor;
}
}
m_pClouds3D.SetPixels(pTexColor);
m_pClouds3D.Apply(true);
Shader.SetGlobalTexture("_CloudTex", m_pClouds3D);
UpdateProperties();
}
static public int GetPixelBilinear(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
int argc = LuaDLL.lua_gettop(l);
if (argc == 4)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Single a1;
checkType(l, 2, out a1);
System.Single a2;
checkType(l, 3, out a2);
System.Single a3;
checkType(l, 4, out a3);
var ret = self.GetPixelBilinear(a1, a2, a3);
pushValue(l, true);
pushValue(l, ret);
return(2);
}
else if (argc == 5)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Single a1;
checkType(l, 2, out a1);
System.Single a2;
checkType(l, 3, out a2);
System.Single a3;
checkType(l, 4, out a3);
System.Int32 a4;
checkType(l, 5, out a4);
var ret = self.GetPixelBilinear(a1, a2, a3, a4);
pushValue(l, true);
pushValue(l, ret);
return(2);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function GetPixelBilinear to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
static public int SetPixels32(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color32[] a1;
checkType(l, 2, out a1);
self.SetPixels32(a1);
return(0);
}
else if (argc == 3)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color32[] a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
self.SetPixels32(a1, a2);
return(0);
}
return(error(l, "No matched override function to call"));
}
catch (Exception e) {
return(error(l, e));
}
}
void CalculateNextPixel()
{
if (pixelProgress < totalPixels)
{
int temp = pixelProgress;
int r = temp % colorsteps;
temp /= colorsteps;
int g = temp % colorsteps;
temp /= colorsteps;
int b = temp % colorsteps;
CalculatePixel(r, g, b);
++pixelProgress;
progress = (float) pixelProgress / (float) totalPixels;
}
else
{
colormap = new Texture3D(colorsteps, colorsteps, colorsteps, TextureFormat.Alpha8, false);
colormap.filterMode = FilterMode.Point;
colormap.wrapMode = TextureWrapMode.Clamp;
colormap.SetPixels32(pixelBuffer);
colormap.Apply();
doneCallback.Invoke();
}
}
static void Texture3D_format(JSVCall vc)
{
UnityEngine.Texture3D _this = (UnityEngine.Texture3D)vc.csObj;
var result = _this.format;
JSApi.setEnum((int)JSApi.SetType.Rval, (int)result);
}
static public int Apply(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
if (argc == 1)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
self.Apply();
return(0);
}
else if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
self.Apply(a1);
return(0);
}
else if (argc == 3)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
System.Boolean a2;
checkType(l, 3, out a2);
self.Apply(a1, a2);
return(0);
}
return(error(l, "No matched override function to call"));
}
catch (Exception e) {
return(error(l, e));
}
}
static public int GetPixels(IntPtr l)
{
try{
int argc = LuaDLL.lua_gettop(l);
if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Int32 a1;
checkType(l, 2, out a1);
UnityEngine.Color[] ret = self.GetPixels(a1);
pushValue(l, ret);
return(1);
}
else if (argc == 1)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] ret = self.GetPixels();
pushValue(l, ret);
return(1);
}
LuaDLL.luaL_error(l, "No matched override function to call");
return(0);
}
catch (Exception e) {
LuaDLL.luaL_error(l, e.ToString());
return(0);
}
}
public static Texture3D LoadVolumeFromFile(string fileName, TextureFormat format, int elementSize ,int width, int height, int depth)
{
BinaryReader br = new BinaryReader(File.Open(fileName, FileMode.Open, FileAccess.Read));
Texture3D noiseTex = new Texture3D(width, height, depth, TextureFormat.RGBA32, false);
noiseTex.filterMode = FilterMode.Bilinear;
noiseTex.wrapMode = TextureWrapMode.Repeat;
int numElements = width * height * depth;
List<Color> colors = new List<Color>(numElements);
// Get pixels from 2d texture for each slize in z direction
for (int z = 0; z < depth; z++)
{
Texture2D tex2d = LoadTexture2DRaw(br, width, height, format, elementSize);
colors.AddRange(tex2d.GetPixels());
}
//colors should now be filled with all pixels
noiseTex.SetPixels(colors.ToArray());
noiseTex.Apply(false);
br.Close();
return noiseTex;
}
public void SetIdentityLut()
{
int dim = 16;
Color[] newC = new Color[dim*dim*dim];
float oneOverDim = 1.0f/(1.0f*dim - 1.0f);
for (int i = 0; i < dim; i++)
{
for (int j = 0; j < dim; j++)
{
for (int k = 0; k < dim; k++)
{
newC[i + (j*dim) + (k*dim*dim)] = new Color((i*1.0f)*oneOverDim, (j*1.0f)*oneOverDim,
(k*1.0f)*oneOverDim, 1.0f);
}
}
}
if (converted3DLut)
DestroyImmediate(converted3DLut);
converted3DLut = new Texture3D(dim, dim, dim, TextureFormat.ARGB32, false);
converted3DLut.SetPixels(newC);
converted3DLut.Apply();
basedOnTempTex = "";
}
/// <summary>
/// Creates the material and textures.
/// </summary>
protected override void CreateMaterial()
{
DestroyLut();
lutTex = VintageHelper.CreateTexture3DFromResources(@"Textures/cremaLut", 16);
base.CreateMaterial();
}
private void DestroyLut()
{
if (lutTex != null)
{
DestroyImmediate(lutTex);
lutTex = null;
}
}
public static void CreateTexture()
{
int n = 64;
string texName = "pyroclasticNoise";
Texture3D texture3D = new Texture3D(n, n, n, TextureFormat.ARGB32, true);
Generate3DTexture(ref texture3D, n);
save3DTexture(texture3D, texName);
}
static public int Apply(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
int argc = LuaDLL.lua_gettop(l);
if (argc == 1)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
self.Apply();
pushValue(l, true);
return(1);
}
else if (argc == 2)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
self.Apply(a1);
pushValue(l, true);
return(1);
}
else if (argc == 3)
{
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
System.Boolean a2;
checkType(l, 3, out a2);
self.Apply(a1, a2);
pushValue(l, true);
return(1);
}
pushValue(l, false);
LuaDLL.lua_pushstring(l, "No matched override function Apply to call");
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
/// <summary>
/// Read the data using the reader.
/// </summary>
/// <param name="reader">Reader.</param>
public override object Read(ISaveGameReader reader)
{
UnityEngine.Texture3D texture3D = new UnityEngine.Texture3D(
reader.ReadProperty <System.Int32>(),
reader.ReadProperty <System.Int32>(),
reader.ReadProperty <System.Int32>(),
TextureFormat.ARGB32,
true);
ReadInto(texture3D, reader);
return(texture3D);
}
static public int get_depth(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
pushValue(l, self.depth);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int get_format(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
pushEnum(l, (int)self.format);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int get_isReadable(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
pushValue(l, true);
pushValue(l, self.isReadable);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int get_depth(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
pushValue(l, self.depth);
return(1);
}
catch (Exception e) {
LuaDLL.luaL_error(l, e.ToString());
return(0);
}
}
static public int Apply(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
self.Apply();
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int GetPixels32(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
var ret = self.GetPixels32();
pushValue(l, true);
pushValue(l, ret);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
private static void save3DTexture(Texture3D texture3D, string texture3DName)
{
string path = "Assets/Textures3D/" + texture3DName + ".asset";
Texture3D tmp = (Texture3D)AssetDatabase.LoadAssetAtPath(path, typeof(Texture3D));
if (tmp)
{
AssetDatabase.DeleteAsset(path);
tmp = null;
}
AssetDatabase.CreateAsset(texture3D, path);
AssetDatabase.SaveAssets();
}
static public int Apply__Boolean(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Boolean a1;
checkType(l, 2, out a1);
self.Apply(a1);
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int SetPixels32__A_Color32(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color32[] a1;
checkArray(l, 2, out a1);
self.SetPixels32(a1);
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int GetPixels__Int32(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
System.Int32 a1;
checkType(l, 2, out a1);
var ret = self.GetPixels(a1);
pushValue(l, true);
pushValue(l, ret);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
public Texture3D Generate3DTexture()
{
float r = 0.3f;
Texture3D texture3D = new Texture3D(n, n, n, TextureFormat.ARGB32, true);
int size = n * n * n;
Color[] cols = new Color[size];
int idx = 0;
Color c = Color.white;
float frequency = 0.01f / n;
float center = n / 2.0f + 0.5f;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
for (int k = 0; k < n; k++, ++idx) {
float dx = center - i;
float dy = center - j;
float dz = center - k;
float off = Mathf.Abs(Perlin.Turbulence(i * frequency,
j * frequency,
k * frequency,
6));
float d = Mathf.Sqrt(dx * dx + dy * dy + dz * dz) / (n);
//c.r = c.g = c.b = c.a = ((d-off) < r)?1.0f:0.0f;
float p = d - off;
c.r = c.g = c.b = c.a = Mathf.Clamp01(r - p);
cols[idx] = c;
}
}
}
//for(int i = 0; i < size; i++)
// Debug.Log (newC[i]);
texture3D.SetPixels(cols);
texture3D.Apply();
renderer.material.SetTexture("g_densityTex", texture3D);
texture3D.filterMode = FilterMode.Trilinear;
texture3D.wrapMode = TextureWrapMode.Clamp;
texture3D.anisoLevel = 1;
//Color[] cs = texture3D.GetPixels();
//for(int i = 0; i < 10; i++)
// Debug.Log (cs[i]);
return texture3D;
}
static public int SetPixels__A_Color__Int32(IntPtr l)
{
try {
UnityEngine.Texture3D self = (UnityEngine.Texture3D)checkSelf(l);
UnityEngine.Color[] a1;
checkArray(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
self.SetPixels(a1, a2);
pushValue(l, true);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
static public int constructor(IntPtr l)
{
UnityEngine.Texture3D o;
System.Int32 a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
System.Int32 a3;
checkType(l, 4, out a3);
UnityEngine.TextureFormat a4;
checkEnum(l, 5, out a4);
System.Boolean a5;
checkType(l, 6, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushObject(l, o);
return(1);
}
void Start() {
if (colorCorrectionLookup == null) {
return;
}
string lutPath = modPath + "/lut.png";
if (File.Exists(lutPath)) {
defaultLut = colorCorrectionLookup.converted3DLut;
Texture2D lut = new Texture2D(2, 2);
lut.LoadImage(File.ReadAllBytes(lutPath));
colorCorrectionLookup.Convert(lut, lutPath);
}
else {
Debug.LogError("Can't load LUT texture from: " + lutPath);
}
}
static public int constructor(IntPtr l)
{
try {
int argc = LuaDLL.lua_gettop(l);
UnityEngine.Texture3D o;
if (matchType(l, "ctor__Int32__Int32__Int32__GraphicsFormat__TextureCreationFlags", argc, 2, typeof(int), typeof(int), typeof(int), typeof(UnityEngine.Experimental.Rendering.GraphicsFormat), typeof(UnityEngine.Experimental.Rendering.TextureCreationFlags)))
{
System.Int32 a1;
checkType(l, 3, out a1);
System.Int32 a2;
checkType(l, 4, out a2);
System.Int32 a3;
checkType(l, 5, out a3);
UnityEngine.Experimental.Rendering.GraphicsFormat a4;
checkEnum(l, 6, out a4);
UnityEngine.Experimental.Rendering.TextureCreationFlags a5;
checkEnum(l, 7, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushValue(l, true);
pushValue(l, o);
return(2);
}
else if (matchType(l, "ctor__Int32__Int32__Int32__TextureFormat__Boolean", argc, 2, typeof(int), typeof(int), typeof(int), typeof(UnityEngine.TextureFormat), typeof(bool)))
{
System.Int32 a1;
checkType(l, 3, out a1);
System.Int32 a2;
checkType(l, 4, out a2);
System.Int32 a3;
checkType(l, 5, out a3);
UnityEngine.TextureFormat a4;
checkEnum(l, 6, out a4);
System.Boolean a5;
checkType(l, 7, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushValue(l, true);
pushValue(l, o);
return(2);
}
return(error(l, "New object failed."));
}
catch (Exception e) {
return(error(l, e));
}
}
public void Convert(Texture2D temp2DTex, string path)
{
// conversion fun: the given 2D texture needs to be of the format
// w * h, wheras h is the 'depth' (or 3d dimension 'dim') and w = dim * dim
if (temp2DTex)
{
int dim = temp2DTex.width * temp2DTex.height;
dim = temp2DTex.height;
if (!ValidDimensions(temp2DTex))
{
Debug.LogWarning("The given 2D texture " + temp2DTex.name + " cannot be used as a 3D LUT.");
basedOnTempTex = "";
return;
}
Color[] c = temp2DTex.GetPixels();
Color[] newC = new Color[c.Length];
for (int i = 0; i < dim; i++)
{
for (int j = 0; j < dim; j++)
{
for (int k = 0; k < dim; k++)
{
int j_ = dim - j - 1;
newC[i + (j * dim) + (k * dim * dim)] = c[k * dim + i + j_ * dim * dim];
}
}
}
if (converted3DLut)
DestroyImmediate(converted3DLut);
converted3DLut = new Texture3D(dim, dim, dim, TextureFormat.ARGB32, false);
converted3DLut.SetPixels(newC);
converted3DLut.Apply();
basedOnTempTex = path;
}
else
{
// error, something went terribly wrong
Debug.LogError("Couldn't color correct with 3D LUT texture. Image Effect will be disabled.");
}
}
/// <summary>
/// Write the specified value using the writer.
/// </summary>
/// <param name="value">Value.</param>
/// <param name="writer">Writer.</param>
public override void Write(object value, ISaveGameWriter writer)
{
UnityEngine.Texture3D texture3D = (UnityEngine.Texture3D)value;
writer.WriteProperty("width", texture3D.width);
writer.WriteProperty("height", texture3D.height);
writer.WriteProperty("depth", texture3D.depth);
writer.WriteProperty("dimension", texture3D.dimension);
writer.WriteProperty("filterMode", texture3D.filterMode);
writer.WriteProperty("anisoLevel", texture3D.anisoLevel);
writer.WriteProperty("wrapMode", texture3D.wrapMode);
#if UNITY_2017_1_OR_NEWER
writer.WriteProperty("wrapModeU", texture3D.wrapModeU);
writer.WriteProperty("wrapModeV", texture3D.wrapModeV);
writer.WriteProperty("wrapModeW", texture3D.wrapModeW);
#endif
writer.WriteProperty("mipMapBias", texture3D.mipMapBias);
writer.WriteProperty("name", texture3D.name);
writer.WriteProperty("hideFlags", texture3D.hideFlags);
}
public static void Generate3DTexture(ref Texture3D texture3D, int n)
{
float r = 0.3f;
int size = n * n * n;
Color[] cols = new Color[size];
int idx = 0;
Color c = Color.white;
float frequency = 0.01f / n;
float center = n / 2.0f + 0.5f;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
for (int k = 0; k < n; k++, ++idx)
{
float dx = center - i;
float dy = center - j;
float dz = center - k;
float off = Mathf.Abs(Perlin.Turbulence(i * frequency,
j * frequency,
k * frequency,
6));
float d = Mathf.Sqrt(dx * dx + dy * dy + dz * dz) / (n);
//c.r = c.g = c.b = c.a = ((d-off) < r)?1.0f:0.0f;
float p = d - off;
c.r = c.g = c.b = c.a = Mathf.Clamp01(r - p);
cols[idx] = c;
}
}
}
//for(int i = 0; i < size; i++)
// Debug.Log (newC[i]);
texture3D.SetPixels(cols);
texture3D.Apply();
texture3D.filterMode = FilterMode.Trilinear;
texture3D.wrapMode = TextureWrapMode.Clamp;
texture3D.anisoLevel = 1;
}
static public int constructor(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
UnityEngine.Texture3D o;
System.Int32 a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
System.Int32 a3;
checkType(l, 4, out a3);
UnityEngine.TextureFormat a4;
a4 = (UnityEngine.TextureFormat)LuaDLL.luaL_checkinteger(l, 5);
System.Boolean a5;
checkType(l, 6, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushValue(l, true);
pushValue(l, o);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
void Start()
{
tex = new Texture3D (size, size, size, TextureFormat.ARGB32, true);
var cols = new Color[size * size * size];
float mul = 1.0f / (size - 1);
int idx = 0;
Color c = Color.white;
for (int z = 0; z < size; ++z) {
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x, ++idx) {
c.r = 1f - (Mathf.Abs(x-size * .5f) * 2f * mul);
c.g = 1f - (Mathf.Abs(y-size * .5f) * 2f * mul);
c.b = 1f - (Mathf.Abs(z-size * .5f) * 2f * mul);
cols [idx] = c;
}
}
}
tex.SetPixels (cols);
tex.Apply ();
renderer.material.SetTexture ("_Volume", tex);
}
static public int constructor(IntPtr l) {
try {
UnityEngine.Texture3D o;
System.Int32 a1;
checkType(l,2,out a1);
System.Int32 a2;
checkType(l,3,out a2);
System.Int32 a3;
checkType(l,4,out a3);
UnityEngine.TextureFormat a4;
checkEnum(l,5,out a4);
System.Boolean a5;
checkType(l,6,out a5);
o=new UnityEngine.Texture3D(a1,a2,a3,a4,a5);
pushValue(l,true);
pushValue(l,o);
return 2;
}
catch(Exception e) {
return error(l,e);
}
}
static public int constructor(IntPtr l)
{
try {
UnityEngine.Texture3D o;
System.Int32 a1;
checkType(l, 2, out a1);
System.Int32 a2;
checkType(l, 3, out a2);
System.Int32 a3;
checkType(l, 4, out a3);
UnityEngine.TextureFormat a4;
checkEnum(l, 5, out a4);
System.Boolean a5;
checkType(l, 6, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushValue(l, o);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
public void Convert(Texture2D temp2DTex, string path)
{
if (temp2DTex)
{
int num = temp2DTex.width * temp2DTex.height;
num = temp2DTex.height;
if (!this.ValidDimensions(temp2DTex))
{
Debug.LogWarning("The given 2D texture " + temp2DTex.name + " cannot be used as a 3D LUT.");
this.basedOnTempTex = string.Empty;
return;
}
Color[] pixels = temp2DTex.GetPixels();
Color[] array = new Color[pixels.Length];
for (int i = 0; i < num; i++)
{
for (int j = 0; j < num; j++)
{
for (int k = 0; k < num; k++)
{
int num2 = num - j - 1;
array[i + j * num + k * num * num] = pixels[k * num + i + num2 * num * num];
}
}
}
if (this.converted3DLut)
{
UnityEngine.Object.DestroyImmediate(this.converted3DLut);
}
this.converted3DLut = new Texture3D(num, num, num, TextureFormat.ARGB32, false);
this.converted3DLut.SetPixels(array);
this.converted3DLut.Apply();
this.basedOnTempTex = path;
}
else
{
Debug.LogError("Couldn't color correct with 3D LUT texture. Image Effect will be disabled.");
}
}
static public int constructor(IntPtr l)
{
LuaDLL.lua_remove(l, 1);
UnityEngine.Texture3D o;
if (matchType(l, 1, typeof(System.Int32), typeof(System.Int32), typeof(System.Int32), typeof(UnityEngine.TextureFormat), typeof(System.Boolean)))
{
System.Int32 a1;
checkType(l, 1, out a1);
System.Int32 a2;
checkType(l, 2, out a2);
System.Int32 a3;
checkType(l, 3, out a3);
UnityEngine.TextureFormat a4;
checkEnum(l, 4, out a4);
System.Boolean a5;
checkType(l, 5, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushObject(l, o);
return(1);
}
LuaDLL.luaL_error(l, "New object failed.");
return(0);
}
static public int ctor__Int32__Int32__Int32__GraphicsFormat__TextureCreationFlags_s(IntPtr l)
{
try {
UnityEngine.Texture3D o;
System.Int32 a1;
checkType(l, 1, out a1);
System.Int32 a2;
checkType(l, 2, out a2);
System.Int32 a3;
checkType(l, 3, out a3);
UnityEngine.Experimental.Rendering.GraphicsFormat a4;
checkEnum(l, 4, out a4);
UnityEngine.Experimental.Rendering.TextureCreationFlags a5;
checkEnum(l, 5, out a5);
o = new UnityEngine.Texture3D(a1, a2, a3, a4, a5);
pushValue(l, true);
pushValue(l, o);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
public static Texture3D LoadVolumeFromFile(string fileName)
{
int x, y, z;
x = y = z = 16;
// int numElementsTotal = 16*16*16 + 8*8*8 + 4*4*4 + 2*2*2 + 1; // all mip levels
BinaryReader br = new BinaryReader(File.Open(fileName, FileMode.Open, FileAccess.Read));
int headerSize = 5 * sizeof(int);
br.ReadBytes(headerSize); // skip header info
Texture3D noiseTex = new Texture3D(x, y, z, TextureFormat.RGBA32, true);
noiseTex.filterMode = FilterMode.Bilinear;
noiseTex.wrapMode = TextureWrapMode.Repeat;
int maxMipLevel = 16;
for (int mipLevel = 0; mipLevel < 5; mipLevel++)
{
////int dimMipLevel = Mathf.Pow(2,(float)(4-mipLevel)); // dimension of miplevel 16, 8, 4, 2, 1
int dimMipLevel = maxMipLevel >> mipLevel;
int numElMip = dimMipLevel * dimMipLevel * dimMipLevel;
//Color[] colors = new Color[numElMip];
List<Color> colors = new List<Color>(numElMip);
// Get pixels from 2d texture for each slize in z direction
for (z = 0; z < dimMipLevel; z++)
{
Texture2D tex2d = LoadTexture2DRaw(br, dimMipLevel, dimMipLevel);
colors.AddRange(tex2d.GetPixels());
}
//colors should now be filled with all pixels
noiseTex.SetPixels(colors.ToArray(), mipLevel);
noiseTex.Apply(false);
}
br.Close();
return noiseTex;
}
protected virtual void CreateRenderTextures() {
RenderTextureFormat mapFormat = RenderTextureFormat.ARGBFloat;
RenderTextureFormat format = RenderTextureFormat.ARGBFloat;
//These texture hold the actual data use in the ocean renderer
CreateMap(ref m_map0, mapFormat, m_ansio);
CreateMap(ref m_map1, mapFormat, m_ansio);
CreateMap(ref m_map2, mapFormat, m_ansio);
CreateMap(ref m_map3, mapFormat, m_ansio);
CreateMap(ref m_map4, mapFormat, m_ansio);
//These textures are used to perform the fourier transform
CreateBuffer(ref m_fourierBuffer0, format); //heights
CreateBuffer(ref m_fourierBuffer1, format); // slopes X
CreateBuffer(ref m_fourierBuffer2, format); // slopes Y
CreateBuffer(ref m_fourierBuffer3, format); // displacement X
CreateBuffer(ref m_fourierBuffer4, format); // displacement Y
//These textures hold the specturm the fourier transform is performed on
m_spectrum01 = new RenderTexture(m_fourierGridSize, m_fourierGridSize, 0, format);
m_spectrum01.filterMode = FilterMode.Point;
m_spectrum01.wrapMode = TextureWrapMode.Repeat;
m_spectrum01.enableRandomWrite = true;
m_spectrum01.Create();
m_spectrum23 = new RenderTexture(m_fourierGridSize, m_fourierGridSize, 0, format);
m_spectrum23.filterMode = FilterMode.Point;
m_spectrum23.wrapMode = TextureWrapMode.Repeat;
m_spectrum23.enableRandomWrite = true;
m_spectrum23.Create();
m_WTable = new RenderTexture(m_fourierGridSize, m_fourierGridSize, 0, format);
m_WTable.filterMode = FilterMode.Point;
m_WTable.wrapMode = TextureWrapMode.Clamp;
m_WTable.enableRandomWrite = true;
m_WTable.Create();
// m_variance = new RenderTexture(m_varianceSize, m_varianceSize, 0, RenderTextureFormat.RHalf);
// m_variance.volumeDepth = m_varianceSize;
// m_variance.wrapMode = TextureWrapMode.Clamp;
// m_variance.filterMode = FilterMode.Bilinear;
// m_variance.isVolume = true;
// m_variance.enableRandomWrite = true;
// m_variance.useMipMap = true;
// m_variance.Create();
m_variance = new Texture3D(m_varianceSize, m_varianceSize, m_varianceSize, TextureFormat.ARGB32, true);
m_variance.wrapMode = TextureWrapMode.Clamp;
m_variance.filterMode = FilterMode.Bilinear;
}
void Start()
{
// Setup the base args buffer
particleLocations = new Vector4[particleCount];
//particleColors = new Vector4[particleCount];
particleTargets = new Vector4[particleCount];
for (int i = 0; i < particleCount; i++)
{
// Generate a random location
Vector3 newLoc = Random.insideUnitSphere * 0.5f + new Vector3(0.5f,0.5f,0.5f);
particleLocations[i] = new Vector4(newLoc.x, newLoc.y, newLoc.z, particlePower);
particleTargets[i] = newLoc;
//particleColors[i] = new Vector3(Random.value, Random.value, Random.value);
}
targetBuffer = new ComputeBuffer(particleCount, 16);
targetBuffer.SetData(particleTargets);
//particleColorBuffer = new ComputeBuffer(particleCount, 16);
//particleColorBuffer.SetData(particleColors);
particleBuffer = new ComputeBuffer(particleCount, 16);
particleBuffer.SetData(particleLocations);
int pixelCount = textureSize * textureSize * textureSize;
tex3D = new Texture3D( textureSize, textureSize, textureSize, TextureFormat.ARGB32, false);
tex3D.wrapMode = TextureWrapMode.Clamp;
tex3D.anisoLevel = 0;
pixels = new Color[pixelCount];
volumeBuffer = new ComputeBuffer(pixelCount, 16);
volumeBuffer.SetData(pixels);
/*
volume = new RenderTexture(textureSize, textureSize, 0, RenderTextureFormat.ARGB32);
volume.volumeDepth = textureSize;
volume.isVolume = true;
volume.enableRandomWrite = true;
volume.Create();
*/
//renderer.material.SetTexture ("_Volume", tex3D);
//renderer.material.SetTexture ("_Volume", volume);
//renderer.material.SetTexture("_dataFieldTex", tex3D);
marchingCubesMaterial.SetTexture("_dataFieldTex", tex3D);
}
void OnDestroy()
{
if (converted3DLut)
DestroyImmediate(converted3DLut);
converted3DLut = null;
}
private void OnDestroy()
{
if (this.converted3DLut)
{
UnityEngine.Object.DestroyImmediate(this.converted3DLut);
}
this.converted3DLut = null;
}
void Release3DLutTex()
{
if (_3dlut != null) {
GameObject.DestroyImmediate (_3dlut);
_3dlut = null;
}
}
void Create3DLutTex(int dim)
{
_3dlut = new Texture3D (dim, dim, dim, TextureFormat.ARGB32, false);
_3dlut.wrapMode = TextureWrapMode.Clamp;
_3dlut.filterMode = FilterMode.Bilinear;
_3dlut.anisoLevel = 0;
_3dcolors = _3dlut.GetPixels ();
}
void UpdateLut()
{
UpdateUserLut();
UpdateCurve();
float lutA = GetLutA();
SimplePolyFunc polyToe;
SimplePolyFunc polyLinear;
SimplePolyFunc polyShoulder;
float gammaSpace = 2.2f;
float x0 = Mathf.Pow(1.0f/3.0f, gammaSpace);
float shoulderBase = .7f;
float x1 = Mathf.Pow(shoulderBase, gammaSpace);
float gammaHighY = Mathf.Pow(shoulderBase, 1.0f + (lutShoulder) * 1.0f);
float y1 = Mathf.Pow(gammaHighY, gammaSpace);
float y0 = 0.0f;
{
float t = x0 / x1;
float lin = t * y1;
float low = lin * (1.0f-lutToe*.5f);
y0 = low;
}
float dx = x1 - x0;
float dy = y1 - y0;
float m = 0.0f;
if (dx > 0 && dy > 0)
m = dy / dx;
// linear section, power is 1, slope is m
polyLinear.x0 = x0;
polyLinear.y0 = y0;
polyLinear.A = m;
polyLinear.B = 1.0f;
polyLinear.signX = 1.0f;
polyLinear.signY = 1.0f;
polyLinear.logA = Mathf.Log(m);
// toe
polyToe = polyLinear;
polyToe.Initialize(x0, y0, m);
float linearW = GetWhitePoint();
{
// shoulder, first think about it "backwards"
float offsetX = linearW - x1;
float offsetY = 1.0f - y1;
polyShoulder = polyLinear;
polyShoulder.Initialize(offsetX, offsetY, m);
// flip horizontal
polyShoulder.signX = -1.0f;
polyShoulder.x0 = -linearW;
// flip vertical
polyShoulder.signY = -1.0f;
polyShoulder.y0 = 1.0f;
}
int dim = 32;
Color[] newC = new Color[dim * dim * dim];
float oneOverDim = 1.0f / (1.0f * dim - 1.0f);
Color normS = NormalizeColor(lutShadows);
Color normM = NormalizeColor(lutMidtones);
Color normH = NormalizeColor(lutHighlights);
float avgS = (normS.r + normS.g + normS.b) / 3.0f;
float avgM = (normM.r + normM.g + normM.b) / 3.0f;
float avgH = (normH.r + normH.g + normH.b) / 3.0f;
// these are magic numbers
float liftScale = .1f;
float gammaScale = .5f;
float gainScale = .5f;
float liftR = (normS.r - avgS) * liftScale;
float liftG = (normS.g - avgS) * liftScale;
float liftB = (normS.b - avgS) * liftScale;
float gammaR = Mathf.Pow(2.0f, (normM.r - avgM) * gammaScale);
float gammaG = Mathf.Pow(2.0f, (normM.g - avgM) * gammaScale);
float gammaB = Mathf.Pow(2.0f, (normM.b - avgM) * gammaScale);
float gainR = Mathf.Pow(2.0f, (normH.r - avgH) * gainScale);
float gainG = Mathf.Pow(2.0f, (normH.g - avgH) * gainScale);
float gainB = Mathf.Pow(2.0f, (normH.b - avgH) * gainScale);
float minGamma = .01f;
float invGammaR = 1.0f / Mathf.Max(minGamma, gammaR);
float invGammaG = 1.0f / Mathf.Max(minGamma, gammaG);
float invGammaB = 1.0f / Mathf.Max(minGamma, gammaB);
for (int i = 0; i < dim; i++)
{
for (int j = 0; j < dim; j++)
{
for (int k = 0; k < dim; k++)
{
float srcR = (i * 1.0f) * oneOverDim;
float srcG = (j * 1.0f) * oneOverDim;
float srcB = (k * 1.0f) * oneOverDim;
float dstR = EvalFilmicHelper(srcR, lutA,
polyToe,
polyLinear,
polyShoulder,
x0, x1, linearW);
float dstG = EvalFilmicHelper(srcG, lutA,
polyToe,
polyLinear,
polyShoulder,
x0, x1, linearW);
float dstB = EvalFilmicHelper(srcB, lutA,
polyToe,
polyLinear,
polyShoulder,
x0, x1, linearW);
// enable lut
if (enableUserLut)
{
Color c = SampleLutLinear(dstR, dstG, dstB);
dstR = c.r;
dstG = c.g;
dstB = c.b;
}
dstR = EvalCurveGradingHelper(dstR, liftR, invGammaR, gainR);
dstG = EvalCurveGradingHelper(dstG, liftG, invGammaG, gainG);
dstB = EvalCurveGradingHelper(dstB, liftB, invGammaB, gainB);
if (enableColorGrading)
{
// saturation
float midVal = (dstR + dstG + dstB) / 3.0f;
dstR = midVal + (dstR - midVal) * lutSaturation;
dstG = midVal + (dstG - midVal) * lutSaturation;
dstB = midVal + (dstB - midVal) * lutSaturation;
}
newC[i + (j * dim) + (k * dim * dim)] = new Color(dstR, dstG, dstB, 1.0f);
}
}
}
if (lutTex)
DestroyImmediate(lutTex);
lutTex = new Texture3D(dim, dim, dim, TextureFormat.ARGB32, false);
lutTex.filterMode = FilterMode.Bilinear;
lutTex.wrapMode = TextureWrapMode.Clamp;
lutTex.hideFlags = HideFlags.DontSave;
lutTex.SetPixels(newC);
lutTex.Apply();
#if false
if (false)
{
// Instad of doing a single 3D lut, I tried doing this as 3x 1D luts. Or rather,
// a single lut with separate curves baked into RGB channels. It wasn't actually faster
// do it's disabled. But there are two reasons why in the future it might be useful:
// 1. If it turns out that 3x 1D luts are faster on some hardware, it might be worth it.
// 2. Updating the 3D LUT is quite slow so you can't change it every frame. If the
// parameters need to lerp than the 1D version might be worthwhile.
CreateFilmicCurveHelper(lutA,
polyToe,
polyLinear,
polyShoulder,
x0, x1, linearW,
liftR, invGammaR, gainR,
liftG, invGammaG, gainG,
liftB, invGammaB, gainB);
}
#endif
}
protected void ConvertBaseTexture()
{
if (!ValidDimensions(LookupTexture))
{
Debug.LogWarning("The given 2D texture " + LookupTexture.name + " cannot be used as a 3D LUT. Pick another texture or adjust dimension to e.g. 256x16.");
return;
}
m_BaseTextureName = LookupTexture.name;
int dim = LookupTexture.height;
Color[] c = LookupTexture.GetPixels();
Color[] newC = new Color[c.Length];
for (int i = 0; i < dim; i++)
{
for (int j = 0; j < dim; j++)
{
for (int k = 0; k < dim; k++)
{
int j_ = dim - j - 1;
newC[i + (j * dim) + (k * dim * dim)] = c[k * dim + i + j_ * dim * dim];
}
}
}
if (m_Lut3D)
DestroyImmediate(m_Lut3D);
m_Lut3D = new Texture3D(dim, dim, dim, TextureFormat.ARGB32, false);
m_Lut3D.hideFlags = HideFlags.HideAndDontSave;
m_Lut3D.wrapMode = TextureWrapMode.Clamp;
m_Lut3D.SetPixels(newC);
m_Lut3D.Apply();
}
public void SetIdentityLut()
{
int num = 16;
Color[] array = new Color[num * num * num];
float num2 = 1f / (1f * (float)num - 1f);
for (int i = 0; i < num; i++)
{
for (int j = 0; j < num; j++)
{
for (int k = 0; k < num; k++)
{
array[i + j * num + k * num * num] = new Color((float)i * 1f * num2, (float)j * 1f * num2, (float)k * 1f * num2, 1f);
}
}
}
if (this.converted3DLut)
{
UnityEngine.Object.DestroyImmediate(this.converted3DLut);
}
this.converted3DLut = new Texture3D(num, num, num, TextureFormat.ARGB32, false);
this.converted3DLut.SetPixels(array);
this.converted3DLut.Apply();
this.basedOnTempTex = string.Empty;
}
/**
* Return a volume texture containing a representation of this distance field.
*/
public Texture3D GetVolumeTexture(int size)
{
if (Root == null) return null;
// upper bound of the distance from any point inside the bounds to the surface.
float maxDist = Mathf.Max(Root.bounds.size.x,Root.bounds.size.y,Root.bounds.size.z);
float spacingX = Root.bounds.size.x / (float)size;
float spacingY = Root.bounds.size.y / (float)size;
float spacingZ = Root.bounds.size.z / (float)size;
Texture3D tex = new Texture3D (size, size, size, TextureFormat.ARGB32, false);
var cols = new Color[size*size*size];
int idx = 0;
Color c = Color.black;
Vector3 gradient;
for (int z = 0; z < size; ++z)
{
for (int y = 0; y < size; ++y)
{
for (int x = 0; x < size; ++x, ++idx)
{
Vector3 samplePoint = Root.bounds.min + new Vector3(spacingX * x + spacingX*0.5f,
spacingY * y + spacingY*0.5f,
spacingZ * z + spacingZ*0.5f);
float distance = DistanceAndGradientAt(samplePoint,out gradient);
if (distance >= 0)
c.r = distance.Remap(0,maxDist*0.1f,0.5f,1);
else
c.r = distance.Remap(-maxDist*0.1f,0,0,0.5f);
cols[idx] = c;
}
}
}
tex.SetPixels (cols);
tex.Apply ();
return tex;
}
void OnDisable () {
if (rt) {
DestroyImmediate (rt);
rt = null;
}
if (tonemapMaterial) {
DestroyImmediate (tonemapMaterial);
tonemapMaterial = null;
}
if (lutTex)
{
DestroyImmediate(lutTex);
lutTex = null;
}
if (lutCurveTex1D)
{
DestroyImmediate(lutCurveTex1D);
lutCurveTex1D = null;
}
}