wave mesh modifier.Start.cs

private void Start()
  {
		var mesh = new Mesh();

		_heightMap1 = new float[Width,Height];
		_heightMap2 = new float[Width,Height];
		_buffer2 = _heightMap1;
		_buffer1 = _heightMap2;

		NumberOfVertices = Width*Height;
		var vertices = new Vector3[NumberOfVertices];
		var uvs = new Vector2[vertices.Length];
		for (var y = 0; y < Height; y++)
		{
			for (var x = 0; x < Width; x++)
			{
				_heightMap1[x, y] = 0;
				_heightMap2[x, y] = 0;

				var p = new Vector3(Mathf.Lerp(-.5f, .5f, (float) x/Width),
				                    Mathf.Lerp(-.5f, .5f, (float) y/Height),
				                    0);

				vertices[y*Width + x] = p;
				uvs[y*Width + x] = new Vector2(p.x, p.y);
			}
		}

		mesh.vertices = vertices;
		mesh.uv = uvs;


		var triangles = new List<int>();

		var i = Width;
		for (var y = 1; y < Height; y++)
		{
			for (var x = 0; x < Width - 1; x++)
			{
				triangles.Add(i + x);
				triangles.Add(i + x - Width + 1);
				triangles.Add(i + x - Width);

				triangles.Add(i + x);
				triangles.Add(i + x + 1);
				triangles.Add(i + x + 1 - Width);
			}
			i += Width;
		}

		mesh.triangles = triangles.ToArray();

		_buffer1[Width/2, Height/2] = 1;

		var filter = GetComponent<MeshFilter>();
		filter.mesh = mesh;
	}