public class BuildingGen : MonoBehaviour
{public int[] Building;//存储要生成的地块代码public int[] Probability;//存储概率public double seed;public int width = 100;public int height = 100;public float noiseScale = 0.1f;  //噪声缩放倍数private int[,] frequencyMap;//存储柏林噪声生成的二维数组void Start(){frequencyMap = new int[width, height];GeneratePerlinNoise();//在这里根据需要补一个根据frequencyMap生成地块的代码}private void GeneratePerlinNoise(){for (int x = 0; x < width; x++){for (int y = 0; y < height; y++){float xCoord = (float)x / width * noiseScale;float yCoord = (float)y / height * noiseScale;float perlinValue = Mathf.PerlinNoise((float)xCoord + (float)seed, (float)yCoord + (float)seed);int buildingType = MapPerlinValueToBuildingType(perlinValue);frequencyMap[x, y] = buildingType;}}}private int MapPerlinValueToBuildingType(float perlinValue){float cumulativeProbability = 0;for (int i = 0; i < Probability.Length; i++){cumulativeProbability += (float)Probability[i] / 100.0f;if (perlinValue <= cumulativeProbability){return Building[i];}}return Building[Building.Length - 1];}
}

实机效果:通过修改seed以生成不同的地形

修改地块权重让绿色地块更多: