| public static Turbulence ( float posX, float posY, float posZ, int octaves ) : float | ||
| posX | float | |
| posY | float | |
| posZ | float | |
| octaves | int | |
| return | float | |
public void Generate3DTexture()
{
float r = 0.3f;
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 renderer = GetComponent <Renderer>().GetComponent <Renderer>();
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]);
}
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;
}
