public void GenerateMesh(GameObject planet, PolySet terrianPolys, string name, Material material)
{
GameObject meshObject = new GameObject(name);
meshObject.transform.parent = planet.transform;
MeshRenderer surfaceRenderer = meshObject.AddComponent <MeshRenderer>();
surfaceRenderer.material = material;
Mesh terrainMesh = new Mesh();
int vertexCount = terrianPolys.Count * 3;
int[] indices = new int[vertexCount];
Vector3[] vertices = new Vector3[vertexCount];
Vector3[] normals = new Vector3[vertexCount];
Color32[] colors = new Color32[vertexCount];
Vector2[] uvs = new Vector2[vertexCount];
List <Polygon> polyList = terrianPolys.ToList();
for (int i = 0; i < polyList.Count; i++)
{
var poly = polyList[i];
indices[i * 3 + 0] = i * 3 + 0;
indices[i * 3 + 1] = i * 3 + 1;
indices[i * 3 + 2] = i * 3 + 2;
vertices[i * 3 + 0] = m_Vertices[poly.m_Vertices[0]];
vertices[i * 3 + 1] = m_Vertices[poly.m_Vertices[1]];
vertices[i * 3 + 2] = m_Vertices[poly.m_Vertices[2]];
uvs[i * 3 + 0] = poly.m_UVs[0];
uvs[i * 3 + 1] = poly.m_UVs[1];
uvs[i * 3 + 2] = poly.m_UVs[2];
colors[i * 3 + 0] = poly.m_Color;
colors[i * 3 + 1] = poly.m_Color;
colors[i * 3 + 2] = poly.m_Color;
if (poly.m_SmoothNormals)
{
normals[i * 3 + 0] = m_Vertices[poly.m_Vertices[0]].normalized;
normals[i * 3 + 1] = m_Vertices[poly.m_Vertices[1]].normalized;
normals[i * 3 + 2] = m_Vertices[poly.m_Vertices[2]].normalized;
}
else
{
Vector3 ab = m_Vertices[poly.m_Vertices[1]] - m_Vertices[poly.m_Vertices[0]];
Vector3 ac = m_Vertices[poly.m_Vertices[2]] - m_Vertices[poly.m_Vertices[0]];
Vector3 normal = Vector3.Cross(ab, ac).normalized;
normals[i * 3 + 0] = normal;
normals[i * 3 + 1] = normal;
normals[i * 3 + 2] = normal;
}
}
terrainMesh.vertices = vertices;
terrainMesh.normals = normals;
terrainMesh.colors32 = colors;
terrainMesh.uv = uvs;
terrainMesh.SetTriangles(indices, 0);
MeshFilter terrainFilter = meshObject.AddComponent <MeshFilter>();
terrainFilter.mesh = terrainMesh;
//string localPath = "Assets/" + "planet" + ".asset";
// Make sure the file name is unique, in case an existing Prefab has the same name.
//localPath = AssetDatabase.GenerateUniqueAssetPath(localPath);
//AssetDatabase.CreateAsset(terrainMesh, localPath);
//AssetDatabase.SaveAssets();
}