public float lakePressure(RTGWorld rtgWorld, int x, int y, float border)
{
if (noLakes)
{
return(1f);
}
SimplexOctave.Disk jitter = new SimplexOctave.Disk();
rtgWorld.simplex.riverJitter().evaluateNoise((float)x / 240.0, (float)y / 240.0, jitter);
double pX = x + jitter.deltax() * largeBendSize;
double pY = y + jitter.deltay() * largeBendSize;
rtgWorld.simplex.mountain().evaluateNoise((float)x / 80.0, (float)y / 80.0, jitter);
pX += jitter.deltax() * mediumBendSize;
pY += jitter.deltay() * mediumBendSize;
rtgWorld.simplex.octave(4).evaluateNoise((float)x / 30.0, (float)y / 30.0, jitter);
pX += jitter.deltax() * smallBendSize;
pY += jitter.deltay() * smallBendSize;
//double results =simplexCell.river().noise(pX / lakeInterval, pY / lakeInterval,1.0);
double[] lakeResults = rtgWorld.cell.river().eval((float)pX / lakeInterval, (float)pY / lakeInterval);
float results = 1f - (float)((lakeResults[1] - lakeResults[0]) / lakeResults[1]);
if (results > 1.01)
{
throw new Exception("" + lakeResults[0] + " , " + lakeResults[1]);
}
if (results < -.01)
{
throw new Exception("" + lakeResults[0] + " , " + lakeResults[1]);
}
//return simplexCell.river().noise((float)x/ lakeInterval, (float)y/ lakeInterval,1.0);
return(results);
}
override public float getRiverStrength(int x, int z)
{
//New river curve function. No longer creates worldwide curve correlations along cardinal axes.
SimplexOctave.Disk jitter = new SimplexOctave.Disk();
simplex.riverJitter().evaluateNoise((float)x / 240.0, (float)z / 240.0, jitter);
double pX = x + jitter.deltax() * largeBendSize;
double pZ = z + jitter.deltay() * largeBendSize;
simplex.octave(2).evaluateNoise((float)x / 80.0, (float)z / 80.0, jitter);
pX += jitter.deltax() * smallBendSize;
pZ += jitter.deltay() * smallBendSize;
double xRiver = pX / riverSeparation;
double zRiver = pZ / riverSeparation;
//New cellular noise.
//TODO move the initialization of the results in a way that's more efficient but still thread safe.
//double[] results = cell.river().eval(xRiver,zRiver );
//return (float) cellBorder(results, riverValleyLevel, 1.0);
return(river.octave(0).border2(xRiver, zRiver, riverValleyLevel, 1f));
}