public static NoiseSetting Lerp(NoiseSetting n1, NoiseSetting n2, float t)
{
n1.Intensity = Mathf.Lerp(n1.Intensity, n2.Intensity, t);
n1.Speed = Mathf.Lerp(n1.Speed, n2.Speed, t);
n1.Scale = Mathf.Lerp(n1.Scale, n2.Scale, t);
return(n1);
}
private Vector3 AddNoise(Vector3 point, NoiseSetting setting, float time, int offset)
{
point.x += (float)noise.Evaluate((offset * 0.92347) + point.x * setting.Scale, time * setting.Speed) * setting.Intensity;
point.y += (float)noise.Evaluate((offset * 0.23474) + point.y * setting.Scale, time * setting.Speed) * setting.Intensity;
point.z += (float)noise.Evaluate((offset * 0.34786) + point.z * setting.Scale, time * setting.Speed) * setting.Intensity;
return(point);
}
public NoiseSetting(NoiseSetting ns, Vector3 exta_offset)
{
scale_x = ns.scale_x;
scale_y = ns.scale_y;
scale_z = ns.scale_z;
offset = ns.offset + exta_offset;
}
public NoiseGen2(NoiseSetting ns)
{
Debug.Log("noise gen 2 constructor");
noise_set = ns;
fn = new FastNoise();
fn.SetNoiseType(FastNoise.NoiseType.PerlinFractal);
fn.SetFractalOctaves(3);
fn.SetFractalLacunarity(2f);
fn.SetFractalGain(0.5f);
fn.SetFrequency(1f);
}
public static float Evaluate(Vector3 point, NoiseSetting setting)
{
float noiseValue = 0f;
float freq = setting.BaseRoughness;
float amp = 1f;
for (int i = 0; i < setting.Octave; ++i)
{
float v = _Evaluate(point * freq + setting.Center);
noiseValue += (v + 1) * 0.5f * amp;
freq *= setting.Roughness;
amp *= setting.Persistence;
}
noiseValue = noiseValue - setting.Threshold;
return(noiseValue * setting.Strength);
}
public static float Evaluate(Vector3 point, NoiseSetting setting)
{
float noiseValue = 0f;
float freq = setting.BaseRoughness;
float amp = 1f;
float weight = 1f;
for (int i = 0; i < setting.Octave; ++i)
{
float v = 1f - Mathf.Abs(_Evaluate(point * freq + setting.Center));
v *= v;
v *= weight;
weight = Mathf.Clamp01(v * setting.WeightMultiper);
noiseValue += v * amp;
freq *= setting.Roughness;
amp *= setting.Persistence;
}
noiseValue = noiseValue - setting.Threshold;
return(noiseValue * setting.Strength);
}
public static float Evaluate(Vector3 point, NoiseSetting setting)
{
if (WardBenjaminNoise.Seed == 0)
{
WardBenjaminNoise.Seed = 114514;
}
float noiseValue = 0f;
float freq = setting.BaseRoughness;
float amp = 1f;
for (int i = 0; i < setting.Octave; ++i)
{
float v = _Evaluate(point * freq + setting.Center);
noiseValue += (v + 1) * 0.5f * amp;
freq *= setting.Roughness;
amp *= setting.Persistence;
}
noiseValue = Mathf.Max(0f, noiseValue - setting.Threshold);
return(noiseValue * setting.Strength);
}
public static float GenerateTerrainNoise(Vector3 point, NoiseSetting setting)
{
float maxPossibleHeight = 0;
float amplitude = 1;
float frequency = 1;
float returnNoise = 0;
for (int i = 0; i < setting.octaves; i++)
{
maxPossibleHeight += amplitude;
amplitude *= setting.persistance;
}
if (setting.noiseScale <= 0)
{
setting.noiseScale = 0.0001f;
}
amplitude = 1;
for (int i = 0; i < setting.octaves; i++)
{
Vector3 sample = (point / setting.noiseScale) * frequency;
float perlinValue = Perlin3D(sample);
returnNoise += perlinValue * amplitude;
amplitude *= setting.persistance;
frequency *= setting.lacunarity;
}
return(returnNoise / maxPossibleHeight);
}
public static List <MarchingCube> InitVertices(Vector3 center, MarchingCubeChunkSetting marchingCubeChunksettings, NoiseSetting noiseSetting)
{
List <MarchingCube> cubeList = new List <MarchingCube>();
for (int x = 0; x < marchingCubeChunksettings.numberOfVerticesPerLine; x++)
{
for (int y = 0; y < marchingCubeChunksettings.numberOfVerticesPerLine; y++)
{
for (int z = 0; z < marchingCubeChunksettings.numberOfVerticesPerLine; z++)
{
MarchingCube cube = new MarchingCube(new Vector3(x, y, z) * marchingCubeChunksettings.distanceBetweenVertex + center, marchingCubeChunksettings.distanceBetweenVertex);
cubeList.Add(cube);
for (int i = 0; i < 8; i++)
{
CalculateVertexWeight(cube, i, marchingCubeChunksettings, noiseSetting);
}
}
}
}
return(cubeList);
}
public void Initialize(NoiseSetting _setting)
{
mSetting = _setting;
}
void ThreadMeshData(MeshData meshData, Vector3 center, MarchingCubeChunkSetting chunkSetting, NoiseSetting noiseSetting, Action <MeshData> callback)
{
List <MarchingCube> cubes = MarchingCubeChunk.InitVertices(center, chunkSetting, noiseSetting);
Vector3[] vertices = MarchingCubeChunk.GenerateVertices(cubes);
meshData.cubes = cubes;
meshData.vertices = vertices;
meshData.triangles = MarchingCubeChunk.GenerateTriangles(vertices);
meshData.uvs = biomeSetting.GenerateUVS(this.chunkSetting, vertices);
lock (meshDataThreadInfoQueue)
{
meshDataThreadInfoQueue.Enqueue(new GeneratorThreadInfo <MeshData>(callback, meshData));
}
}
public void RequestMeshData(MeshData meshData, Vector3 center, MarchingCubeChunkSetting chunkSettings, NoiseSetting noiseSettings, Action <MeshData> callback)
{
ThreadStart threadStart = delegate {
ThreadMeshData(meshData, center, chunkSettings, noiseSettings, callback);
};
new Thread(threadStart).Start();
}
public BlockyGen1(NoiseSetting ns, GeomNoiseSettings gns, BlockyV1Settings bs)
{
noise_set = ns;
geom_nois_set = gns;
blocky_set = bs;
}
static void CalculateVertexWeight(MarchingCube cube, int index, MarchingCubeChunkSetting marchingCubeSetting, NoiseSetting noiseSetting)
{
//Cube neigborCube;
//check there is exsiting noise value at neighbor
//Skip this process because we use perlin noise
//if(cubeDictionary.TryGetValue(new Vector3(vertexPosition.x - someOffset?, vertexPosition.y, vertexPosition.z), out neigborCube) {
// ...
//} else if ...
//For threading, we have to dupulicate Animation Curve
AnimationCurve weightCurve = new AnimationCurve(marchingCubeSetting.weightCurve.keys);
float height = cube.origin.y + cube.offset[index].y;
float height01 = Mathf.Lerp(1, 0, (marchingCubeSetting.mapMaxHeight - height) / (marchingCubeSetting.mapMaxHeight - marchingCubeSetting.mapMinHeight));
float weight = MarchingCubeNoise.GenerateTerrainNoise(cube.origin + cube.offset[index], noiseSetting) * weightCurve.Evaluate(height01);
if (height < marchingCubeSetting.mapMinHeight + cube.offsetDistance)
{
weight = 1;
}
else if (height > marchingCubeSetting.mapMaxHeight - cube.offsetDistance)
{
weight = 0;
}
cube.vertexSelected[index] = weight < marchingCubeSetting.ignoreVertexLevel;
cube.vertexWeight[index] = weight;
}
private float AddNoise(float value, NoiseSetting setting, float time, int offset)
{
value += (float)noise.Evaluate(value * setting.Scale, time + offset * setting.Speed) * setting.Intensity;
return(value);
}
private async Task UpdateWisps(float time, float deltaTime)
{
await new WaitForBackgroundThread();
for (int i = 0; i < forces.Length; i++)
{
Force force = forces[i];
force.IsIntersecting = false;
forces[i] = force;
}
// Update wisp forces
totalHeatTarget = 0;
for (int i = 0; i < numWisps; i++)
{
Wisp w1 = wisps[i];
for (int forceIndex = 0; forceIndex < forces.Length; forceIndex++)
{
Force force = forces[forceIndex];
float touchingDist = force.Radius + w1.Radius;
float prevPointDistSqr = (w1.Point - force.PrevPoint).sqrMagnitude;
float pointDistSqr = (w1.Point - force.Point).sqrMagnitude;
if (pointDistSqr < (touchingDist * touchingDist) || prevPointDistSqr < (touchingDist * touchingDist))
{
force.IsIntersecting = true;
w1.Heat = Mathf.Clamp01(w1.Heat + (deltaTime * heatGainSpeed));
w1.Velocity -= (force.Velocity * w1.Heat);
forces[forceIndex] = force;
}
}
w1.Radius = AddNoise(w1.TargetRadius, ambientNoise, time, i);
Vector3 point = w1.Point;
point += (w1.Velocity * deltaTime);
w1.Velocity = Vector3.Lerp(w1.Velocity, w1.Velocity * velocityDampen, deltaTime);
point = Vector3.Lerp(point, w1.TargetPoint, seekStrength * deltaTime);
point = AddNoise(point, NoiseSetting.Lerp(ambientNoise, agitatedNoise, w1.Heat), time, i);
w1.Point = point;
w1.Heat = Mathf.Clamp01(w1.Heat - (deltaTime * heatDissipateSpeed));
totalHeatTarget += w1.Heat;
wisps[i] = w1;
}
await Task.Yield();
// Generate quads
for (int i = 0; i < numWisps; i++)
{
Wisp wisp = wisps[i];
Quad quad = quads[i];
RenderOrder r = renderOrder[i];
wisp.Depth = (wisp.Point - cameraPos).sqrMagnitude;
Color color = baseWispColor.Evaluate(Mathf.Repeat((time + (i * offsetMultiplier)) * colorCycleSpeed, 1f));
color += heatWispColor.Evaluate(wisp.Heat);
color = Color.Lerp(color, transitionColor, transitionColor.a);
wisps[i] = wisp;
int tileNum = wisp.TileOffset + currentTileNum;
if (tileNum >= numTiles)
{
tileNum -= numTiles;
}
quad = Quad.FromWisp(color, wisp.Point, wisp.Radius + (wisp.Heat * heatRadiusMultiplier), cameraUp, cameraRht, tileOffsets[tileNum], tileScale);
quads[i] = quad;
r.Index = i;
r.Depth = wisp.Depth;
renderOrder[i] = r;
}
renderOrder.Sort(delegate(RenderOrder r1, RenderOrder r2) { return(r2.Depth.CompareTo(r1.Depth)); });
}
public OpenSimplexNoise(NoiseSetting setting)
{
Setting = setting;
}
public NoiseGen1Geom(NoiseSetting ns, GeomNoiseSettings gns)
{
noise_set = ns;
geom_nois_set = gns;
}
public PerlinNoise(NoiseSetting setting)
{
Setting = setting;
}
public NoiseGen1Geom(NoiseSetting ns)
{
noise_set = ns;
}
public BlockyGen1(NoiseSetting ns)
{
noise_set = ns;
}