public static void Gen3D(Texture3D tex, NoiseProfile profile, Func <int, int, bool> progressionCallback)
{
var pixels = tex.GetPixels();
var pixelCount = pixels.Length;
for (var i = 0; i < pixels.Length; i++)
{
pixels[i] = new Color(0, 0, 0, 0);
}
var min = 0f;
var max = 1f;
const float referenceSize = 256f;
var tw = tex.width;
var th = tex.height;
var td = tex.depth;
var valid = profile.ForEach3D(new Vector3Int(tex.width, tex.height, tex.depth),
(shape, pos) =>
{
var wx = pos.x * referenceSize / tw;
var wy = pos.y * referenceSize / th;
var wz = pos.z * referenceSize / td;
var ix = (pos.x % tw);
var iy = tw * (pos.y % th);
var iz = td * tw * (pos.z % td);
var i = ((ix + iy + iz) + 1000 * pixelCount) % pixelCount;
if (profile.Warp)
{
profile.FastNoise.GradientPerturbFractal(ref wx, ref wy, ref wz);
}
var fade = shape.Density(new Vector3((float)pos.x / tw, (float)pos.y / th, (float)pos.z / td));
var noise = profile.BaseValue + profile.FastNoise.GetNoise(wx, wy, wz);
noise = fade * noise + pixels[i].r;
min = Mathf.Min(min, noise);
max = Mathf.Max(max, noise);
pixels[i] = new Color(noise, noise, noise, noise);
},
(i, total) =>
{
return(progressionCallback != null && progressionCallback(i, total));
});
if (!valid)
{
return;
}
pixels = pixels.Select(x => (x - Color.white * min) / (max - min)).ToArray();
tex.SetPixels(pixels);
tex.Apply();
}
public static void Gen2D(Texture2D tex, NoiseProfile profile)
{
var pixels = tex.GetPixels();
var pixelCount = pixels.Length;
for (var i = 0; i < pixels.Length; i++)
{
pixels[i] = new Color(0, 0, 0, 0);
}
var min = 0f;
var max = 1f;
const float referenceSize = 256f;
var tw = tex.width;
var th = tex.height;
profile.ForEach2D(new Vector2Int(tex.width, tex.height),
(shape, x, y) =>
{
var wx = x * referenceSize / tw;
var wy = y * referenceSize / th;
var wz = 1f;
var i = (((x % tw) + tw * (y % th)) + 100 * pixelCount) % pixelCount;
if (profile.Warp)
{
profile.FastNoise.GradientPerturbFractal(ref wx, ref wy, ref wz);
}
var fade = shape.Density(new Vector3((float)x / tw, (float)y / th, 0));
var noise = profile.BaseValue + profile.FastNoise.GetNoise(wx, wy);
noise = fade * noise + pixels[i].r;
min = Mathf.Min(min, noise);
max = Mathf.Max(max, noise);
pixels[i] = new Color(noise, noise, noise, noise);
});
pixels = pixels.Select(x => (x - Color.white * min) / (max - min)).ToArray();
tex.SetPixels(pixels);
tex.Apply();
}
public override void OnInspectorGUI()
{
serializedObject.Update();
profile = target as NoiseProfile;
var resolution = serializedObject.FindProperty("resolution");
var colorFormat = serializedObject.FindProperty("colorFormat");
var shapes = serializedObject.FindProperty("shapes");
var texSize = CalcResolution(profile.Resolution);
textureFormat = TextureFormat.RGBA32;
switch ((NoiseProfile.ColorFormat)colorFormat.intValue)
{
case NoiseProfile.ColorFormat.R8:
textureFormat = TextureFormat.R8;
break;
case NoiseProfile.ColorFormat.A8:
textureFormat = TextureFormat.Alpha8;
break;
case NoiseProfile.ColorFormat.RGBA32:
default:
break;
}
EditorGUILayout.HelpBox("Generator", MessageType.Info);
if (GUILayout.Button("Save 3DTexture"))
{
Save3DTexture();
}
if (GUILayout.Button("Save 2DTexture"))
{
Save2DTexture();
}
EditorGUILayout.Space();
EditorGUILayout.HelpBox("Output Settings", MessageType.Info);
EditorGUILayout.PropertyField(resolution);
EditorGUILayout.PropertyField(colorFormat);
EditorGUILayout.LabelField("Texture Resolution: " + texSize + "x" + texSize + "(x" + texSize + ")");
EditorGUILayout.Space();
EditorGUILayout.HelpBox("Preview", MessageType.Info);
DrawPreview();
EditorGUILayout.Space();
EditorGUILayout.HelpBox("FastNoise parameters", MessageType.Info);
CommonGUI();
EditorGUILayout.Space();
EditorGUILayout.HelpBox("Tiling / Shape Settings", MessageType.Info);
ShapeGenerator();
EditorGUILayout.PropertyField(shapes, true);
serializedObject.ApplyModifiedProperties();
}