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;
}
