package rtg.world.gen.terrain;
import rtg.api.world.RTGWorld;
/**
* @author Zeno410
*/
public class AdjustableSpikeEffect extends HeightEffect {
// not going to bother to set up a creator shell to make sure everything is set
// set defaults to absurd values to crash if they're not set
// a trio of parameters frequently used together
public float height = Integer.MAX_VALUE;
;
public float wavelength = 0;
public float minimumSimplex = Integer.MAX_VALUE;// normal range is -1 to 1;
//usually numbers above 0 are often preferred to avoid dead basins
public int octave;
public float power = 1.6f;// usually a range of 1 to 2
@Override
public final float added(RTGWorld rtgWorld, float x, float y) {
float noise = rtgWorld.simplex.octave(octave).noise2((float) x / wavelength, (float) y / wavelength);
if (noise < minimumSimplex) {
noise = minimumSimplex;
}
noise = 1f - (1f - noise) / (1f - minimumSimplex);
noise = TerrainBase.unsignedPower(noise, power);
return noise * height;
}
}