Unity, Procedurally generated terrain

static int sideWidth = 30;

public static void CreateMesh(){
                Vector3[] vertices = new Vector3[sideWidth*sideWidth];
                System.Random r = new System.Random();
                int seed = r.Next(10000);

                for(int x = 0; x < sideWidth; x++){
                        for(int y = 0; y < sideWidth; y++){
                                float height;
                                height = Mathf.PerlinNoise(x * 0.1f + seed,y * 0.1f + seed);
                                vertices[y + x * sideWidth] = new Vector3(x, height, y);
                        }
                }

                int[] indices = new int[(sideWidth - 1) * (sideWidth - 1) * 6];

                for(int x = 0; x < sideWidth - 1; x++){
                        for(int y = 0; y < sideWidth - 1; y++){
                                int location = x * sideWidth + y;
                                int index = x * (sideWidth - 1) + y;
                                indices[index * 6] = location;
                                indices[index * 6 + 1] = location + 1;
                                indices[index * 6 + 2] = location + sideWidth + 1;

                                indices[index * 6 + 3] = location;
                                indices[index * 6 + 4] = location + sideWidth + 1;
                                indices[index * 6 + 5] = location + sideWidth;
                        }
                }

                Vector2[] uvs = new Vector2[sideWidth*sideWidth];

                for(int x = 0; x < sideWidth; x++){
                        for(int y = 0; y < sideWidth; y++){
                                uvs[y + x * sideWidth] = new Vector2(1 /(float)sideWidth * x, 1 / (float)sideWidth * y);
                        }
                }

                Mesh mesh = new Mesh();
                mesh.vertices = vertices;
                mesh.triangles = indices;
                mesh.uv = uvs;
                mesh.RecalculateNormals();
                GameObject.Find ("TerraformController").GetComponent<MeshFilter>().mesh = mesh;
        }