public void CreateSphericalPerlinTexture(ref byte[] height, ref byte[] normal)
{
/*
* Generate a spherical mapping of a height and normal map
*/
int mapX = 512;
int mapY = 256;
float south = -90.0f;
float north = 90.0f;
float west = -180.0f;
float east = 180.0f;
Perlin myPerlin = new Perlin();
Texture2D heightTexture, normalTexture;
ModuleBase myModule = myPerlin;
Noise2D heightMap;
heightMap = new Noise2D(mapX, mapY, myModule);
heightMap.GenerateSpherical(south, north, west, east);
/* Get the heightMap, which is just a grayscale of the texture */
heightTexture = heightMap.GetTexture(LibNoise.Unity.Gradient.Grayscale);
height = heightTexture.EncodeToPNG();
/* Get the normal map. */
normalTexture = heightMap.GetNormalMap(0);
normal = normalTexture.EncodeToPNG();
//SAVE THE PICTURE
SaveTexture(heightTexture);
}
void GeneratePreview()
{
var volumeColors = new Color[_res * _res];
if (_previewTexture != null)
{
DestroyImmediate(_previewTexture);
}
_previewTexture = new Texture2D(_res, _res);
_previewTexture.wrapMode = TextureWrapMode.Clamp;
_previewTexture.filterMode = FilterMode.Point;
_previewTexture.hideFlags = HideFlags.DontSave;
if (_previewTextureNM != null)
{
DestroyImmediate(_previewTextureNM);
}
var noise = new Noise2D(_res, _res, CreateNoiseModule());
noise.GeneratePlanar(0, _size, 0, _size, _seamless);
for (int x = 0; x < _res; x++)
{
for (int y = 0; y < _res; y++)
{
var idx = x + (y * _res);
volumeColors[idx] = noise[x, y] * Color.white;
}
}
_previewTexture.SetPixels(volumeColors);
_previewTexture.Apply();
if (_normalMap)
{
_previewTextureNM = noise.GetNormalMap(2.0f);
_previewTextureNM.wrapMode = TextureWrapMode.Clamp;
_previewTextureNM.filterMode = FilterMode.Point;
_previewTextureNM.hideFlags = HideFlags.DontSave;
}
}
public override bool Calculate()
{
_input = inputKnob.GetValue <ModuleBase>();
var noiseRenderer = new Noise2D(_previewSize, _input);
ConfigureRenderer(noiseRenderer);
if (outputKnob.connected())
{
var output = noiseRenderer.GetTexture();
outputKnob.SetValue <Texture>(output);
}
if (normalMapOutputKnob.connected())
{
var output = noiseRenderer.GetNormalMap(1);
normalMapOutputKnob.SetValue <Texture>(output);
}
return(true);
}
public override void Initialise(GraphicsDevice device, ContentManager content)
{
m_graphics = device;
m_spriteBatch = new SpriteBatch(device);
m_content = content;
// Create the module network
add = new Add(perlin, rigged);
// Initialize the noise map
m_noiseMap = new Noise2D(256, 256, add);
m_noiseMap.GeneratePlanar(-1, 1, -1, 1);
// Generate the textures
m_textures[0] = m_noiseMap.GetTexture(m_graphics, Gradient.Grayscale);
m_textures[1] = m_noiseMap.GetTexture(m_graphics, Gradient.Terrain);
m_textures[2] = m_noiseMap.GetNormalMap(m_graphics, 3.0f);
// Zoom in or out do something like this.
m_noiseMap.GeneratePlanar(-1 * zoom, 1 * zoom, -1 * zoom, 1 * zoom);
m_textures[3] = m_noiseMap.GetTexture(m_graphics, Gradient.Terrain);
}
void GenerateTexture()
{
var volumeTex = new Texture3D(_res, _res, _res, TextureFormat.ARGB32, false);
var volumeColors = new Color[_res * _res * _res];
var volumeTexNM = new Texture3D(_res, _res, _res, TextureFormat.ARGB32, false);
var volumeColorsNM = new Color[_res * _res * _res];
EditorUtility.ClearProgressBar();
var noise = new Noise2D(_res, _res, CreateNoiseModule());
for (int z = 0; z < _res; z++)
{
noise.zValue = _zCurve.Evaluate(((float)z / _res)) * _size;
noise.GeneratePlanar(0, _size, 0, _size, _seamless);
for (int x = 0; x < _res; x++)
{
for (int y = 0; y < _res; y++)
{
var idx = x + (y * _res) + (z * (_res * _res));
volumeColors[idx] = noise[x, y] * Color.white;
}
}
if (EditorUtility.DisplayCancelableProgressBar("3D Noise", "Generating 3D Noise", (float)z / _res))
{
DestroyImmediate(volumeTex);
EditorUtility.ClearProgressBar();
return;
}
var nm = noise.GetNormalMap(1.0f);
var pixels = nm.GetPixels();
for (int x = 0; x < _res; x++)
{
for (int y = 0; y < _res; y++)
{
var idx = x + (y * _res) + (z * (_res * _res));
volumeColorsNM[idx] = pixels[x + (y * _res)];
}
}
DestroyImmediate(nm);
}
EditorUtility.ClearProgressBar();
var path = EditorUtility.SaveFilePanelInProject("Save 3D noise texture.",
string.Format("{0}_noise.asset", _noiseType),
"asset",
"Please enter a file name to save the volume texture");
if (path.Length != 0)
{
volumeTex.SetPixels(volumeColors);
volumeTex.Apply();
AssetDatabase.CreateAsset(volumeTex, path);
AssetDatabase.Refresh();
}
if (_normalMap)
{
volumeTexNM.SetPixels(volumeColorsNM);
volumeTexNM.Apply();
path = EditorUtility.SaveFilePanelInProject("Save 3D normalmap texture.",
string.Format("{0}_normalmap.asset", _noiseType),
"asset",
"Please enter a file name to save the volume normalmap");
if (path.Length != 0)
{
AssetDatabase.CreateAsset(volumeTexNM, path);
AssetDatabase.Refresh();
}
}
}