public void Create()
{
for (int i = 0; i < transform.childCount; i++)
{
DestroyImmediate(transform.GetChild(i).gameObject);
}
chunks = new List <WorldChunk>();
List <Vector3> vertList = new List <Vector3>();
List <Triangle> faces = new List <Triangle>();
//create the initial 20-sided icosahedron
float t = (1f + Mathf.Sqrt(5f)) / 2f;
vertList.Add(new Vector3(-1f, t, 0f).normalized *radius);
vertList.Add(new Vector3(1f, t, 0f).normalized *radius);
vertList.Add(new Vector3(-1f, -t, 0f).normalized *radius);
vertList.Add(new Vector3(1f, -t, 0f).normalized *radius);
vertList.Add(new Vector3(0f, -1f, t).normalized *radius);
vertList.Add(new Vector3(0f, 1f, t).normalized *radius);
vertList.Add(new Vector3(0f, -1f, -t).normalized *radius);
vertList.Add(new Vector3(0f, 1f, -t).normalized *radius);
vertList.Add(new Vector3(t, 0f, -1f).normalized *radius);
vertList.Add(new Vector3(t, 0f, 1f).normalized *radius);
vertList.Add(new Vector3(-t, 0f, -1f).normalized *radius);
vertList.Add(new Vector3(-t, 0f, 1f).normalized *radius);
faces.Add(new Triangle(0, 1, 7));
faces.Add(new Triangle(0, 5, 1));
faces.Add(new Triangle(0, 7, 10));
faces.Add(new Triangle(0, 10, 11));
faces.Add(new Triangle(0, 11, 5));
faces.Add(new Triangle(1, 5, 9));
faces.Add(new Triangle(3, 9, 4));
faces.Add(new Triangle(3, 4, 2));
faces.Add(new Triangle(3, 2, 6));
faces.Add(new Triangle(3, 6, 8));
faces.Add(new Triangle(3, 8, 9));
faces.Add(new Triangle(5, 11, 4));
faces.Add(new Triangle(11, 10, 2));
faces.Add(new Triangle(10, 7, 6));
faces.Add(new Triangle(7, 1, 8));
faces.Add(new Triangle(4, 9, 5));
faces.Add(new Triangle(2, 4, 11));
faces.Add(new Triangle(6, 2, 10));
faces.Add(new Triangle(8, 6, 7));
faces.Add(new Triangle(9, 8, 1));
foreach (Triangle triangle in faces)
{
GameObject chunk = new GameObject("Chunk");
chunk.tag = "Planet";
chunk.transform.SetParent(this.transform);
chunk.transform.localPosition = new Vector3(0, 0, 0);
WorldChunk worldChunk = chunk.AddComponent <WorldChunk>();
worldChunk.SetComponents(this.GetComponent <MeshRenderer>().sharedMaterial, radius);
Vector3[] initialVertices = new Vector3[] {
vertList[triangle.p1],
vertList[triangle.p2],
vertList[triangle.p3]
};
worldChunk.Create(initialVertices, subdivideIterations);
float height = 0;
foreach (TerrainNoise3D noise in noiseComponents)
{
height += noise.heightMultiplier;
}
worldChunk.AddNoise(this.transform.position, noiseComponents, heightGradient, 0, height);
worldChunk.UpdateMesh();
chunks.Add(worldChunk);
}
}