public static ArrayMesh AddNoiseToMesh(PlaneMesh plane, float[,] noiseMap, int chunkSize, int heightMultiplier, Curve heightCurve) { SurfaceTool st = new SurfaceTool(); st.CreateFrom(plane, 0); ArrayMesh mesh = new ArrayMesh(); MeshDataTool dt = new MeshDataTool(); mesh = st.Commit(); dt.CreateFromSurface(mesh, 0); for (int y = 0; y < chunkSize; y++) { for (int x = 0; x < chunkSize; x++) { int z = y; int vertexIndex = z * chunkSize + x; Vector3 vertex = dt.GetVertex(vertexIndex); vertex.y = heightCurve.Interpolate(noiseMap[chunkSize - x - 1, chunkSize - z - 1]) * heightMultiplier; dt.SetVertex(vertexIndex, vertex); } } for (int surface = 0; surface < mesh.GetSurfaceCount(); surface++) { mesh.SurfaceRemove(surface); } dt.CommitToSurface(mesh); st.Begin(Mesh.PrimitiveType.Triangles); st.CreateFrom(mesh, 0); st.Index(); st.GenerateNormals(); return(st.Commit()); }
public void Generate() { planeMesh = new PlaneMesh(); planeMesh.Size = new Vector2(chunkSize, chunkSize); planeMesh.SubdivideDepth = Mathf.RoundToInt(chunkSize * 0.5f); planeMesh.SubdivideWidth = Mathf.RoundToInt(chunkSize * 0.5f); surfaceTool = new SurfaceTool(); meshDataTool = new MeshDataTool(); surfaceTool.CreateFrom(planeMesh, 0); arrayPlane = surfaceTool.Commit(); meshDataTool.CreateFromSurface(arrayPlane, 0); for (int i = 0; i < meshDataTool.GetVertexCount(); i++) { Vector3 vertex = meshDataTool.GetVertex(i); vertex.y = noise.GetNoise3d( vertex.x + position.x, vertex.y, vertex.z + position.z) * References.steepness; meshDataTool.SetVertex(i, vertex); avgHeight += vertex.y; } avgHeight /= meshDataTool.GetVertexCount(); for (int i = 0; i < arrayPlane.GetSurfaceCount(); i++) { arrayPlane.SurfaceRemove(i); } for (int i = 0; i < meshDataTool.GetFaceCount(); i++) { Vector3 A = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 0)); Vector3 B = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 1)); Vector3 C = meshDataTool.GetVertex(meshDataTool.GetFaceVertex(i, 2)); Vector3 face = (A + B + C) / 3 + position; Vector3 normal = meshDataTool.GetFaceNormal(i); slope += Maths.Angle(Vector3.Up, normal); } slope /= meshDataTool.GetFaceCount(); meshDataTool.CommitToSurface(arrayPlane); surfaceTool.Begin(Mesh.PrimitiveType.Triangles); surfaceTool.CreateFrom(arrayPlane, 0); surfaceTool.GenerateNormals(); meshInstance = new MeshInstance(); meshInstance.Mesh = surfaceTool.Commit(); meshInstance.SetSurfaceMaterial(0, (Material)ResourceLoader.Load("res://Assets/Shader/Terrain.material")); meshInstance.CreateTrimeshCollision(); meshInstance.CastShadow = GeometryInstance.ShadowCastingSetting.On; AddChild(meshInstance); }
private void Deform() { var sn = new OpenSimplexNoise(); sn.Period = Period; sn.Octaves = Octaves; sn.Seed = Seed; sn.Persistence = Persistence; sn.Lacunarity = Lacunarity; var mesh = sphere.Mesh; var st = new SurfaceTool(); st.CreateFrom(mesh, 0); var array = st.Commit(); var dt = new MeshDataTool(); dt.CreateFromSurface(array, 0); var count = dt.GetVertexCount(); var origin = Vector3.Zero; for (int i = 0; i < count; i++) { var vertex = dt.GetVertex(i); var n = -vertex.DirectionTo(origin); var noise = sn.GetNoise3d(vertex.x, vertex.y, vertex.z); noise = Mathf.Clamp(noise, -1f, 1f); vertex += n * noise * MoveFactor; dt.SetVertex(i, vertex); } var surfCount = array.GetSurfaceCount(); for (int i = 0; i < surfCount; i++) { array.SurfaceRemove(i); } dt.CommitToSurface(array); st.Begin(Mesh.PrimitiveType.Triangles); st.CreateFrom(array, 0); st.GenerateNormals(); sphere.Mesh = st.Commit(); UpdateMaterial(); }
// Called when the node enters the scene tree for the first time. public override void _Ready() { global = GetNode <Global>("/root/Global"); OnStartTimerTimeout(); CharacterContainer = GetNode <Spatial>("/root/Spatial/CharacterContainer"); SurfaceTool surfaceTool = new SurfaceTool(); planeMesh = new PlaneMesh(); planeMesh.Material = (Material)ResourceLoader.Load("mesh_material.tres"); planeMesh.SubdivideWidth = width - 2; //Subtract two bc there's already two vertices before we start subdividing planeMesh.SubdivideDepth = height - 2; planeMesh.Size = new Vector2(42.4f, 24f); //42.47f (42.4f, 24f) surfaceTool.CreateFrom(planeMesh, 0); arrayPlane = surfaceTool.Commit(); meshInstance = new MeshInstance(); meshInstance.Mesh = arrayPlane; NewDetectedBody(); AddChild(meshInstance); AddChild(detectBody); UpdateShapes(); }
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(); }
public void Generate() { verts = new List <Vector3>(); indices = new List <int>(); index = 0; faces = new List <TriangleIndices>(); middlePointIndexCache = new System.Collections.Generic.Dictionary <long, int>(); CreateIcosphere(); SurfaceTool st = new SurfaceTool(); var am = CreateTheMesh(); st.CreateFrom(am, 0); st.GenerateNormals(); Mesh = st.Commit(); }
public override void _Ready() { var mesh = new PlaneMesh(); mesh.Size = new Vector2(size, size); mesh.SubdivideDepth = 3; mesh.SubdivideWidth = (int)position.x == 0 ? (int)size : 3; var surface_tool = new SurfaceTool(); surface_tool.CreateFrom(mesh, 0); var mesh_tool = new MeshDataTool(); mesh_tool.CreateFromSurface(surface_tool.Commit(), 0); var biome = GetBiome(/*hydro_noise.GetNoise2dv(position / size), */ heat_noise.GetNoise2d(position.x / size / 10.0f, position.y)); for (int i = 0; i < mesh_tool.GetVertexCount(); ++i) { var vertex = mesh_tool.GetVertex(i); var vertex_global_pos = position + new Vector2(vertex.x, vertex.z); var height_noise_val = height_noise.GetNoise2dv(vertex_global_pos); vertex.y = height_noise_val * 20; var color_factor = (height_noise_val + 1) / 2.0f; var hydro_val = (int)Math.Round(hydro_noise.GetNoise2dv(vertex_global_pos)); if ((int)vertex.x == 0 && (int)position.x == 0) { mesh_tool.SetVertexColor(i, new Color(color_factor, color_factor / 2, 0.0f)); } else if (hydro_val == -1) { mesh_tool.SetVertexColor(i, biome.dry_color * color_factor); } else if (hydro_val == 1) { mesh_tool.SetVertexColor(i, biome.humid_color * color_factor); } else { mesh_tool.SetVertexColor(i, biome.ground_color * color_factor); } mesh_tool.SetVertex(i, vertex); } /*if (base_tree_mesh == null && ResourceLoader.Exists("res://assets/tree.obj")) * { * base_tree_mesh = ResourceLoader.Load<Mesh>("res://assets/tree.obj"); * } * if (base_tree_material == null && ResourceLoader.Exists("res://assets/tree.tres")) * { * Console.WriteLine("OK"); * base_tree_material = ResourceLoader.Load<SpatialMaterial>("res://assets/tree.tres"); * } * * MultiMesh trees = new MultiMesh(); * trees.Mesh = base_tree_mesh; * trees.TransformFormat = MultiMesh.TransformFormatEnum.Transform3d; * * if ((int)position.x == 0) * { * var points1 = Utility.UniformPoissonDiskSampler.SampleRectangle(-new Vector2(size, size) / 2, new Vector2(-5, size / 2.0f), biome.tree_spacing); * var points2 = Utility.UniformPoissonDiskSampler.SampleRectangle(new Vector2(5, 0), new Vector2(size, size) / 2, biome.tree_spacing); * trees.InstanceCount = points1.Count + points2.Count; * * int i = 0; * foreach (var p in points1) * { * trees.SetInstanceTransform(i, Transform.Identity.Scaled(new Vector3(1, biome.tree_size, 1)).Translated(new Vector3(p.x, height_noise.GetNoise2dv(position + p) * 20, p.y))); ++i; * } * * foreach (var p in points2) * { * trees.SetInstanceTransform(i, Transform.Identity.Scaled(new Vector3(1, biome.tree_size, 1)).Translated(new Vector3(p.x, height_noise.GetNoise2dv(position + p) * 20, p.y))); ++i; * } * } * else * { * var points = Utility.UniformPoissonDiskSampler.SampleRectangle(-new Vector2(size, size) / 2, new Vector2(size, size) / 2, biome.tree_spacing); * trees.InstanceCount = points.Count; * int i = 0; * foreach (var p in points) * { * trees.SetInstanceTransform(i, Transform.Identity.Scaled(new Vector3(1, biome.tree_size, 1)).Translated(new Vector3(p.x, height_noise.GetNoise2dv(position + p) * 20, p.y))); ++i; * } * } * * MultiMeshInstance child = new MultiMeshInstance(); * child.Multimesh = trees; * child.MaterialOverride = base_tree_material; * AddChild(child);*/ var array = new ArrayMesh(); mesh_tool.CommitToSurface(array); Mesh = array; if (base_shader == null && ResourceLoader.Exists("res://assets/chunk_shader.tres")) { base_shader = ResourceLoader.Load <ShaderMaterial>("res://assets/chunk_shader.tres"); } var shader = base_shader; MaterialOverride = shader; }