ejemplo de código de ruido de Unity 3D Perlin

Ejemplo 1: unidad de ruido perlin

// HOW TO IMPLEMENT A PERLIN NOISE FONCTION TO GET A TERRAIN HEIGHT IN UNITY
using UnityEngine;

public static class NoiseCreator
{  
  /// scale : The scale of the "perlin noise" view
  /// heightMultiplier : The maximum height of the terrain
  /// octaves : Number of iterations (the more there is, the more detailed the terrain will be)
  /// persistance : The higher it is, the rougher the terrain will be (this value should be between 0 and 1 excluded)
  /// lacunarity : The higher it is, the more "feature" the terrain will have (should be strictly positive)
  public static float GetNoiseAt(int x, int z, float scale, float heightMultiplier, int octaves, float persistance, float lacunarity)
  {
      float PerlinValue = 0f;
      float amplitude = 1f;
      float frequency = 1f;

      for(int i = 0; i < octaves; i++)
      {
      	 // Get the perlin value at that octave and add it to the sum
		 PerlinValue += Mathf.PerlinNoise(x * frequency, z * frequency) * amplitude;
         
         // Decrease the amplitude and the frequency
         amplitude *= persistance;
         frequency *= lacunarity;
      }
      
      // Return the noise value
      return PerlinValue * heightMultiplier;
  }
}

Ejemplo 2: unidad de ruido perlin

Mathf.PerlinNoise(x, y); //Return value is between 0.0 and 1.0

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