//Edit this.
float Noise(int xx, int yy)
{
float x = (float)xx / width * scale;
float y = (float)yy / width * scale;
float noise = 0;
noise += (float)simplex.Evaluate(x, y);
//noise = Mathf.PerlinNoise(x, y);
///Noise may only range from 0 to 1.
///Todo: limit it :P
///for now just divide back and stuff
return(noise);
}
//Experiment with this Koko! :P
public float HeightMap2(Tile tile)
{
int x = (int)tile.coords.x;
int y = (int)tile.coords.y;
double noise = 0;
noise += simplex.Evaluate(x / 5f, y / 5f) / 20;
noise += simplex.Evaluate(x / 25f, y / 25f) / 6;
noise += simplex.Evaluate(x / 50f, y / 50f);
noise += simplex.Evaluate(x / 100f, y / 100f);
//noise += simplex.Evaluate(x / 750f, y / 750f)*1;
noise = noise / 2;
noise = noise - 0.5;
if (noise >= -0.5)
{
noise = (noise * 1.75) + 0.38; //increases height above -0.5, set it to * 10 to see where it is
}
if (noise >= 0.1)
{
noise = (noise * 1.75) - 0.07;
}
if (noise * 50f <= waterThreshold)
{
noise = waterThreshold / 50f + (noise / 5) + 0.16;
}
if (flatWorld)
{
noise = 0f;
}
return((float)noise * 50f);
}
public float GetElevation(Vector3 point)
{
float elevation = 0;
float frequency = settings.baseRoughness;
float amplitude = 1;
for (int i = 0; i < settings.nbOctaves; i++)
{
float v = simplex.Evaluate(point * frequency + settings.centre);
elevation += (v + 1) * .5f * amplitude;
frequency *= settings.roughness;
amplitude *= settings.persistence;
}
elevation = Mathf.Max(0, elevation - settings.minValue);
return(elevation * settings.strength);
}
public float GetElevation(Vector3 point)
{
float noiseValue = 0;
float frequency = settings.baseRoughness;
float amplitude = 1;
float weight = 1;
for (int i = 0; i < settings.nbOctaves; i++)
{
float v = 1 - Mathf.Abs(simplex.Evaluate(point * frequency + settings.centre));
v *= v;
v *= weight;
weight = Mathf.Clamp01(v * settings.weightMultiplier);
noiseValue += v * amplitude;
frequency *= settings.roughness;
amplitude *= settings.persistence;
}
noiseValue = Mathf.Max(0, noiseValue - settings.minValue);
return(noiseValue * settings.strength);
}