public INoise GetLandFormFct()
{
//REM
//The various parameters value here are scaled for a gradient being feed by 0 to 1 input value.
//When this gradient is configured to recevied other value range then some parameters needs to be rescaled
//That's the reason for using this _groundGradientTyped.AdjustY value
//This way no matter the the Gradient Range, the values impacting it will be rescaled.
//Create the Lowland base fractal with range from 0 to 1 values
INoise river_shape_fractal = new FractalRidgedMulti(new Simplex(_seed), 1, 2, enuBaseNoiseRange.ZeroToOne);
//Rescale + offset the output result ==> Wil modify the Scope of output range value
INoise river_shape_scale = new ScaleOffset(river_shape_fractal, 0.30, 0.01);
//Remove Y value from impacting the result (Fixed to 0), the value output range will not be changed, but the influence of the Y will be removed
//Force the Fractal to be used as 2D Noise, I don't need to 3th dimension
INoise river_y_scale = new NoiseAccess(river_shape_fractal, NoiseAccess.enuDimUsage.Noise2D, true);
INoise turb = new ScaleOffset(river_y_scale, 0.03, 0);
INoise river_selected = new Select(0, turb, river_y_scale, 0.7); //Last param define the width of the river
//Offset the ground_gradient ( = create turbulance) to the Y scale of the gradient. input value
INoise _groundGradient_biased = new Bias(_groundGradient, 0.45);
INoise river = new Turbulence(_groundGradient_biased, 0, river_selected);
return(river);
}
public INoise GetLandFormFct()
{
//REM
//The various parameters value here are scaled for a gradient being feed by 0 to 1 input value.
//When this gradient is configured to recevied other value range then some parameters needs to be rescaled
//That's the reason for using this _groundGradientTyped.AdjustY value
//This way no matter the the Gradient Range, the values impacting it will be rescaled.
INoise shape1_fractal = new FractalRidgedMulti(new Perlin(_seed), 1, 1.2);
INoise shape1_base = new Select(0, shape1_fractal, shape1_fractal, 0.75, 0.0);
INoise shape2_fractal = new FractalRidgedMulti(new Perlin(_seed + 12345), 1, 1.3);
INoise shape2_base = new Select(0, shape2_fractal, shape2_fractal, 0.75, 0.0);
Combiner ShapeMult = new Combiner(Combiner.CombinerType.Add);
ShapeMult.Noises.Add(shape1_base);
ShapeMult.Noises.Add(shape2_base);
INoise CacheShapeMult = new Cache <INoise>(ShapeMult);
INoise rescaledShapeMult = new ScaleOffset(CacheShapeMult, 0.6, 0);
INoise clamping_base = new Select(0, rescaledShapeMult, CacheShapeMult, 0.14, 0.0);
INoise turbX_fractal = new FractalFbm(new Perlin(_seed + 1), 3, 3);
INoise turbY_fractal = new FractalFbm(new Perlin(_seed + 2), 3, 3);
INoise turbZ_fractal = new FractalFbm(new Perlin(_seed + 3), 3, 3);
INoise CaveTurb = new Turbulence(clamping_base, turbX_fractal, turbY_fractal, turbZ_fractal);
//INoise landscape = new Bias(_mainLandscape, 0.45);
Combiner underground_Attenuated = new Combiner(Combiner.CombinerType.Multiply);
underground_Attenuated.Noises.Add(CaveTurb);
underground_Attenuated.Noises.Add(_mainLandscape);
//Merge the Water landForm with the surface landForm
INoise world_select = new Select(0.0, underground_Attenuated, _islandCtrl, 0.01, 0.0); //Merge Plains with Midland
return(world_select);
}