private void Generate() { if (!_initialized) { return; } _surfaceTool.Clear(); _meshDataTool.Clear(); _surfaceTool.CreateFrom(_meshInstance.Mesh, 0); _meshDataTool.CreateFromSurface(_surfaceTool.Commit(), 0); int numVertices = _meshDataTool.GetVertexCount(); _data = new float[numVertices]; for (int i = 0; i < numVertices; i++) { Vector3 vertex = _meshDataTool.GetVertex(i); _data[i] = Amplitude * _noise.GetNoise2d(vertex.x, vertex.z); _meshDataTool.SetVertex(i, new Vector3(vertex.x, _data[i], vertex.z)); _meshDataTool.SetVertexNormal(i, Vector3.Up); } for (int i = 0; i < numVertices - _resX; i++) { Vector3 a = _meshDataTool.GetVertex(i); Vector3 b = _meshDataTool.GetVertex(i + 1); Vector3 c = _meshDataTool.GetVertex(i + _resX); Vector3 normal = (c - a).Cross(b - a); for (int j = i; j < i + 3; j++) { _meshDataTool.SetVertexNormal(j, _meshDataTool.GetVertexNormal(j) + normal); } } for (int i = 0; i < numVertices; i++) { _meshDataTool.SetVertexNormal(i, _meshDataTool.GetVertexNormal(i).Normalized()); } ArrayMesh newMesh = new ArrayMesh(); _meshDataTool.CommitToSurface(newMesh); _meshInstance.Mesh = newMesh; _meshInstance.RemoveChild(_meshInstance.GetChild(0)); _meshInstance.CreateTrimeshCollision(); }