void OnWizardCreate()
{
switch (equation)
{
case Equation.Normal:
m_noiseEquationCallback = NormalPerlinNoise2D;
break;
case Equation.NormalSum:
m_noiseEquationCallback = NormalPerlinNoise2D_Sum;
break;
case Equation.TurbulenceSum:
m_noiseEquationCallback = Turbulence_Sum;
break;
case Equation.SinTurbulenceSum:
m_noiseEquationCallback = SinTurbulence_Sum;
break;
case Equation.Wood:
m_noiseEquationCallback = Wood;
break;
case Equation.Seamless:
m_noiseEquationCallback = SeamlessPerlinNoise2D;
break;
}
Texture2D tex = CreatePerlinNoiseTexture(512, 512, seed, m_noiseEquationCallback);
SaveTextureAsPNG(tex, Application.dataPath + "/PerlinNoise/Textures/perlinnoise.png");
AssetDatabase.Refresh();
}
Texture2D CreatePerlinNoiseTexture(int width, int height, int seed, NoiseEquationCallback callback)
{
if (callback == null)
{
Debug.LogWarning("CreatePerlinNoiseTexture fail. callback is null.");
return(null);
}
Texture2D tex = new Texture2D(width, height, TextureFormat.RGB24, false);
Color[] col = new Color[width * height];
for (float i = 0; i < height; i++)
{
for (float j = 0; j < width; j++)
{
float u = i / height;
float v = j / width;
float sample = callback(new Vector2(u, v));
col [(int)(i * width + j)] = new Color(sample, sample, sample);
}
}
tex.SetPixels(col);
tex.Apply();
return(tex);
}