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);
}
public override UnifiedObject Mirror()
{
StaticObject clone = (StaticObject)this.Clone();
ArrayMesh originalMesh = (ArrayMesh)this.m_meshInstance.Mesh;
int originalSurfaceCount = originalMesh.GetSurfaceCount();
ArrayMesh newMesh = new ArrayMesh();
for (int i = 0; i < originalSurfaceCount; i++)
{
MeshDataTool mdt = new MeshDataTool();
mdt.CreateFromSurface(originalMesh, i);
for (int j = 0; j < mdt.GetVertexCount(); j++)
{
Vector3 vert = mdt.GetVertex(j);
vert.x *= -1;
mdt.SetVertex(j, vert);
}
mdt.CommitToSurface(newMesh);
}
clone.ObjectMeshInstance.Mesh = newMesh;
return(clone);
}
/// <summary>
/// 4th attempt: set color by most linked, not by color
/// </summary>
/// <param name="mdt"></param>
public static void _SetVertexColorToBarycentric(MeshDataTool mdt)
{
//store info about our verticies into an array
var vertStorage = new VertexInfo[mdt.GetVertexCount()];
for (var vertIdx = 0; vertIdx < vertStorage.Length; vertIdx++)
{
vertStorage[vertIdx] = new VertexInfo(vertIdx, mdt, vertStorage);
//set vert color to alphaBlack
mdt.SetVertexColor(vertIdx, Colors.Transparent);
}
//sort verticies by degree (number of edges). defaults to highest first
var sortedVerts = new List <VertexInfo>(vertStorage);
sortedVerts.Sort();
//color channels used for verticies. 3 is ideal, but aprox 10% of verts wont be colored.
var colorChoices = new Color[] {
//encode 5 channels as 20% red each.
new Color(0.2f, 0, 0, 0),
new Color(0.4f, 0, 0, 0),
new Color(0.6f, 0, 0, 0),
new Color(0.8f, 0, 0, 0),
new Color(1f, 0, 0, 0)
};
////////////// various algorithm choices. best is _WELSH_POWELL_ADJUSTED
//_GREEDY_FACE(sortedVerts, colorChoices, mdt);
//_GREEDY_BASIC(sortedVerts, colorChoices, mdt);
//_CYBERREALITY(sortedVerts, colorChoices, mdt);
//_CYBERREALITY_EDIT(sortedVerts, colorChoices, mdt);
_WELSH_POWELL_ADJUSTED(sortedVerts, colorChoices, mdt);
}
/// <summary>
/// experimental greedy mesh technique.
/// </summary>
/// <param name="sortedVerts"></param>
/// <param name="colorChoices"></param>
/// <param name="mdt"></param>
private static void _GREEDY_FACE(List <VertexInfo> sortedVerts, Color[] colorChoices, MeshDataTool mdt)
{
List <VertexInfo> noColor = new List <VertexInfo>();
for (int i = sortedVerts.Count - 1; i >= 0; i--)
{
var removed = false;
var vertInfo = sortedVerts[i];
for (var h = 0; h < colorChoices.Length; h++)
{
var color = colorChoices[h];
if (vertInfo.TrySetAvailableColor(color))
{
sortedVerts.RemoveAt(i);
removed = true;
foreach (var adj0Vert in vertInfo.GetAdjacentVertInfo())
{
if (h < colorChoices.Length - 2 && adj0Vert.adjacentVerticies.Length >= 3 //vertInfo.adjacentVerticies.Length
)
{
if (adj0Vert.TrySetAvailableColor(colorChoices[h + 1]))
{
;
}
}
if (h < colorChoices.Length - 3 && adj0Vert.adjacentVerticies.Length >= 3 //vertInfo.adjacentVerticies.Length
)
{
adj0Vert.TrySetAvailableColor(colorChoices[h + 2]);
}
foreach (var adj1Vert in adj0Vert.GetAdjacentVertInfo())
{
if (adj1Vert.adjacentVerticies.Length >= 3) //vertInfo.adjacentVerticies.Length)
//if (adj1Vert.adjacentVerticies.Length >= vertInfo.adjacentVerticies.Length)
{
adj1Vert.TrySetAvailableColor(color);
}
}
}
break;
}
}
if (removed == false)
{
noColor.Add(vertInfo);
//var alphaBlack = new Color(0, 0, 0, 0);
vertInfo.TrySetAvailableColor(Colors.White, true);
sortedVerts.RemoveAt(i);
}
}
GD.Print($"_GREEDY_FACE uncolored count={noColor.Count} / {mdt.GetVertexCount()}");
}
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();
}
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();
}
/// <summary>
/// 3rd attempt: after researching a bit I realized this is a "graph coloring" problem: https://en.wikipedia.org/wiki/Graph_coloring
/// nice overview of some here: https://github.com/Ajaypal91/Graph_Coloring_Algorithms_Implementation
/// here we implement welsh-powell algorithm: https://www.youtube.com/watch?v=CQIW2mLfG04
/// </summary>
/// <param name="mdt"></param>
private static void _SetVertexColorToBarycentric_WP(MeshDataTool mdt)
{
//store info about our verticies into an array
var vertStorage = new VertexInfo[mdt.GetVertexCount()];
for (var vertIdx = 0; vertIdx < vertStorage.Length; vertIdx++)
{
vertStorage[vertIdx] = new VertexInfo(vertIdx, mdt, vertStorage);
//set vert color to black
mdt.SetVertexColor(vertIdx, Colors.Transparent);
}
//sort verticies by degree (number of edges). defaults to highest first
var sortedVerts = new List <VertexInfo>(vertStorage);
sortedVerts.Sort();
//verts.CopyTo(sortedVerts,0);
//Array.Sort(sortedVerts);
var colorChoices = new Color[] { Colors.Red, Colors.Green, Colors.Blue };
foreach (var color in colorChoices)
{
//enumerate in reverse so we inspect our verticies with highest degree first (most edges)
//and also lets us remove from the list directly
for (int i = sortedVerts.Count - 1; i >= 0; i--)
{
var vertInfo = sortedVerts[i];
if (vertInfo.TrySetAvailableColor(color))
{
sortedVerts.RemoveAt(i);
}
}
}
//any remaining verts are uncolored! bad.
GD.Print($"Done building mesh. Verticies uncolored count={sortedVerts.Count} / {mdt.GetVertexCount()}");
//for any remaining verticies color alpha
var alphaBlack = new Color(0, 0, 0, 0);
for (int i = sortedVerts.Count - 1; i >= 0; i--)
{
var vertInfo = sortedVerts[i];
mdt.SetVertexColor(vertInfo.vertIdx, alphaBlack);
}
}
// Declare member variables here. Examples:
// private int a = 2;
// private string b = "text";
// Called when the node enters the scene tree for the first time.
public override void _Ready()
{
var orig = GetNode <MeshInstance>("orig");
var tights = GetNode <MeshInstance>("tights");
var result = GetNode <MeshInstance>("result");
var tmpMesh = new ArrayMesh();
var surfaceTool = new SurfaceTool();
surfaceTool.Begin(Mesh.PrimitiveType.Triangles);
var tool = new MeshDataTool();
tool.CreateFromSurface((ArrayMesh)tights.Mesh, 0);
var tool2 = new MeshDataTool();
tool2.CreateFromSurface((ArrayMesh)orig.Mesh, 0);
List <Vector3> vertices = new List <Vector3>();
for (int v = 0; v < tool2.GetVertexCount(); v++)
{
vertices.Add(tool2.GetVertex(v));
}
for (int v = 0; v < tool.GetVertexCount(); v++)
{
// surfaceTool.AddNormal(tool.GetVertexNormal(v));
// surfaceTool.AddColor(tool.GetVertexColor(v));
// surfaceTool.AddUv(tool.GetVertexUv(v));
// surfaceTool.AddUv2(tool.GetVertexUv2(v));
// surfaceTool.AddTangent(tool.GetVertexTangent(v));
var newVer = tool.GetVertex(v);
var replace = vertices.OrderBy(df => newVer.DistanceTo(df)).FirstOrDefault();
if (replace != null && replace != Vector3.Zero && replace.DistanceTo(newVer) > 0.03f)
{
GD.Print("replace" + newVer + " by dist " + replace.DistanceTo(newVer));
surfaceTool.AddVertex(replace);
}
else
{
surfaceTool.AddVertex(newVer);
}
}
for (int fc = 0; fc < tool.GetFaceCount(); fc++)
{
for (var i = 0; i <= 2; i++)
{
var ind = tool.GetFaceVertex(fc, i);
surfaceTool.AddIndex(ind);
}
}
surfaceTool.Commit(tmpMesh);
result.Mesh = tmpMesh;
}
private Godot.Collections.Array createSurfaceByBones(ArrayMesh mesh, int surface, Skin newSkin, List <UMAReciepeBindPose> origBindPoses)
{
var mdt = new MeshDataTool();
mdt.CreateFromSurface(mesh, surface);
var st = new SurfaceTool();
st.Begin(Mesh.PrimitiveType.Triangles);
var newBindPoses = new List <UMAReciepeBindPose>();
if (newSkin != null)
{
for (int i = 0; i < newSkin.GetBindCount(); i++)
{
newBindPoses.Add(new UMAReciepeBindPose
{
boneName = newSkin.GetBindName(i),
transform = newSkin.GetBindPose(i),
boneIndex = newSkin.GetBindBone(i)
});
}
}
var boneAmount = 0;
for (int i = 0; i < mdt.GetVertexCount(); i++)
{
var oldVer = mdt.GetVertex(i);
var oldNorm = mdt.GetVertexNormal(i);
var newVer = new Vector3();
var newNorm = new Vector3();
var indexes = mdt.GetVertexBones(i);
// st.AddTangent(mdt.GetVertexTangent(i));
st.AddBones(mdt.GetVertexBones(i));
st.AddWeights(mdt.GetVertexWeights(i));
int boneId = 0;
foreach (var weight in mdt.GetVertexWeights(i))
{
if (newBindPoses.Count >= indexes[boneId] && origBindPoses.Count >= indexes[boneId])
{
var restBoneNew = newBindPoses[indexes[boneId]];
var restBoneTemplate = origBindPoses[indexes[boneId]];
var dataup = restBoneNew.transform.Xform(Vector3.Up);
var dataright = restBoneNew.transform.Xform(Vector3.Right);
var templateup = restBoneTemplate.transform.Xform(Vector3.Up);
var templateright = restBoneTemplate.transform.Xform(Vector3.Right);
if (Mathf.Abs(dataup.AngleTo(templateup)) > 1 || Mathf.Abs(dataright.AngleTo(templateright)) > 1)
{
Transform convertMatrix = restBoneTemplate.transform.Inverse() * restBoneNew.transform;
newVer += convertMatrix.Xform(oldVer) * weight;
newNorm += convertMatrix.basis.Xform(oldNorm) * weight;
}
else
{
newVer += oldVer * weight;
newNorm += oldNorm * weight;
}
}
else
{
newVer += oldVer * weight;
newNorm += oldNorm * weight;
}
boneId++;
}
st.AddUv(mdt.GetVertexUv(i));
if (mdt.GetVertexColor(i) != null)
{
st.AddColor(mdt.GetVertexColor(i));
}
if (mdt.GetVertexUv2(i) != null)
{
st.AddUv2(mdt.GetVertexUv2(i));
}
st.AddNormal(newNorm);
st.AddVertex(newVer);
boneAmount += mdt.GetVertexBones(i).Length;
}
//creating indexes
for (int face = 0; face < mdt.GetFaceCount(); face++)
{
for (int faceI = 0; faceI < 3; faceI++)
{
var ind = mdt.GetFaceVertex(face, faceI);
st.AddIndex(ind);
}
}
st.GenerateTangents();
return(st.CommitToArrays());
}
/// <summary>
/// experimental greedy mesh technique.
/// </summary>
/// <param name="sortedVerts"></param>
/// <param name="colorChoices"></param>
/// <param name="mdt"></param>
private static void _GREEDY_BASIC(List <VertexInfo> sortedVerts, Color[] colorChoices, MeshDataTool mdt)
{
bool TrySetAdjAdj(VertexInfo _current, Color c, List <VertexInfo> _store)
{
if (_store.Contains(_current) == false)
{
return(true);
}
if (_current.TrySetAvailableColor(c))
{
_store.Remove(_current);
foreach (var adj0Vert in _current.GetAdjacentVertInfo())
{
foreach (var adj1Vert in adj0Vert.GetAdjacentVertInfo())
{
TrySetAdjAdj(adj1Vert, c, _store);
}
}
return(true);
}
return(false);
}
List <VertexInfo> problems = new List <VertexInfo>();
while (sortedVerts.Count > 0)
{
var vertInfo = sortedVerts[sortedVerts.Count - 1];
//sortedVerts.RemoveAt(sortedVerts.Count - 1);
for (var h = 0; h < colorChoices.Length; h++)
{
var color = colorChoices[h];
//TrySetAdjAdj(vertInfo, color, sortedVerts);
if (vertInfo.TrySetAvailableColor(color))
{
sortedVerts.Remove(vertInfo);
//preemptively try to set adjacent and adjadj with related colors
foreach (var adj0Vert in vertInfo.GetAdjacentVertInfo())
{
if (h < colorChoices.Length - 2 // && adj0Vert.adjacentVerticies.Length >= vertInfo.adjacentVerticies.Length
)
{
if (adj0Vert.TrySetAvailableColor(colorChoices[h + 1]))
{
;
}
}
if (h < colorChoices.Length - 3 //&& adj0Vert.adjacentVerticies.Length >= vertInfo.adjacentVerticies.Length
)
{
adj0Vert.TrySetAvailableColor(colorChoices[h + 2]);
}
foreach (var adj1Vert in adj0Vert.GetAdjacentVertInfo())
{
//if (adj1Vert.adjacentVerticies.Length >= vertInfo.adjacentVerticies.Length)
{
adj1Vert.TrySetAvailableColor(color);
}
}
}
break;
}
}
if (sortedVerts.Contains(vertInfo))
{
problems.Add(vertInfo);
vertInfo.TrySetAvailableColor(Colors.White, true);
sortedVerts.Remove(vertInfo);
}
}
GD.Print($"_GREEDY_BASIC uncolored count={problems.Count} / {mdt.GetVertexCount()}");
}
/// <summary>
///
/// </summary>
/// <param name="sortedVerts"></param>
/// <param name="colorChoices"></param>
/// <param name="mdt"></param>
private static void _WELSH_POWELL_ADJUSTED(List <VertexInfo> sortedVerts, Color[] colorChoices, MeshDataTool mdt)
{
for (var h = 0; h < colorChoices.Length; h++)
{
var color = colorChoices[h];
//enumerate in reverse so we inspect our verticies with highest degree first (most edges)
//and also lets us remove from the list directly
for (int i = sortedVerts.Count - 1; i >= 0; i--)
{
//if we remove too many, reset our index. this means we might invoke this loop on an element more than once.
//but that's ok as it doesn't have negative consiquences.
if (i >= sortedVerts.Count)
{
i = sortedVerts.Count - 1;
}
var vertInfo = sortedVerts[i];
if (vertInfo.TrySetAvailableColor(color))
{
sortedVerts.RemoveAt(i);
//preemptively try to set adjacent and adjadj with related colors
foreach (var adj0Vert in vertInfo.GetAdjacentVertInfo())
{
//JASON OPTIMIZATION: reduces non-colored by aprox 8% on sibnek 100k vert mesh.
foreach (var adj1Vert in adj0Vert.GetAdjacentVertInfo())
{
if (adj1Vert.adjacentVerticies.Length > vertInfo.adjacentVerticies.Length * 0.75)
{
adj1Vert.TrySetAvailableColor(color);
}
}
}
}
}
}
//any remaining verts are uncolored! bad.
GD.Print($"Done building mesh. Verticies uncolored count={sortedVerts.Count} / {mdt.GetVertexCount()}");
//loop through all faces, finding the vertex for the longest edge,
//and encode that into green channel = 0.1;
//may be used by the shader to remove interrior edges
var faceCount = mdt.GetFaceCount();
for (var faceIdx = 0; faceIdx < faceCount; faceIdx++)
{
var vertIdx0 = mdt.GetFaceVertex(faceIdx, 0);
var vertIdx1 = mdt.GetFaceVertex(faceIdx, 1);
var vertIdx2 = mdt.GetFaceVertex(faceIdx, 2);
var vert0 = mdt.GetVertex(vertIdx0);
var vert1 = mdt.GetVertex(vertIdx1);
var vert2 = mdt.GetVertex(vertIdx2);
var edgeLen1 = vert0.DistanceTo(vert1);
var edgeLen2 = vert0.DistanceTo(vert2);
var edgeLen3 = vert1.DistanceTo(vert2);
int longestEdgeVertIdx = -1;
if (edgeLen1 > edgeLen2 && edgeLen1 > edgeLen3)
{
longestEdgeVertIdx = vertIdx2;
}
if (edgeLen2 > edgeLen1 && edgeLen2 > edgeLen3)
{
longestEdgeVertIdx = vertIdx1;
}
if (edgeLen3 > edgeLen1 && edgeLen3 > edgeLen2)
{
longestEdgeVertIdx = vertIdx0;
}
if (longestEdgeVertIdx != -1)
{
var curCol = mdt.GetVertexColor(longestEdgeVertIdx);
//encode that this vertext has longest edge (used in shader code)
curCol.g += 0.1f;
mdt.SetVertexColor(longestEdgeVertIdx, curCol);
}
}
////for any remaining verticies color alpha
//var alphaBlack = new Color(0, 0, 0, 0);
//for (int i = sortedVerts.Count - 1; i >= 0; i--)
//{
// var vertInfo = sortedVerts[i];
// mdt.SetVertexColor(vertInfo.vertIdx, alphaBlack);
// //vertInfo.TrySetAvailableColor(Colors.White, true);
//}
}
public async void UpdateShapes()
{
// await System.Threading.Thread.SpinWait(1000);
await System.Threading.Tasks.Task.Delay(100);
try
{
using (var frames = pipe.WaitForFrames())
using (var depth = frames.DepthFrame)
using (var points = pc.Process(depth).As <Points>())
{
// CopyVertices is extensible, any of these will do:
float[] vertices;
vertices = new float[points.Count * 3];
points.CopyVertices(vertices);
Points = vertices;
}
// Remove all children from the detectbody
foreach (Node child in detectBody.GetChildren())
{
child.QueueFree();
}
if (detectBody.GetShapeOwners().Count > 0)
{
GD.Print(detectBody.GetShapeOwners().Count);
for (int l = 0; l < detectBody.GetShapeOwners().Count; l++)
{
detectBody.ShapeOwnerClearShapes((uint)l);
}
}
}
catch
{
}
detectedPoints.Clear();
sortedPoints.Clear();
Vector3 currentGroundPoint = new Vector3();
// allPoints = new Vector3[101760];
for (int i = 0; i < meshDataTool.GetVertexCount(); i++) // 101760
{
Vector3 vertex = meshDataTool.GetVertex(i);
int indexOfX = i * 3;
int indexOfY = i * 3 + 1;
int indexOfZ = i * 3 + 2;
float x = Points[indexOfX];
float y = Points[indexOfY];
float z = Points[indexOfZ];
bool shapeFoundForPoint = false;
// GD.Print(x);
if (z > distanceToGround || z == 0.0f || z < 0 || x < syncPointTL.x || y > syncPointTL.y || x > syncPointBR.x || y < syncPointBR.y)
{
z = 0;
}
else
{
z = (distanceToGround - z) * 2;
if (vertex.y > 0)
{
currentGroundPoint = vertex;
currentGroundPoint.y = 0;
//------------------------------------------------- For each point test --------------------------------------------------
if (detectedPoints.Count == 0)
{
// make a vector on the ground for the detection shape to get a height
List <Vector3> shapePoints = new List <Vector3> {
currentGroundPoint, vertex
};
detectedPoints.Add(shapePoints); // Add the vectors to a list with shapes
}
else
{
for (int j = 0; j < detectedPoints.Count; j++) // Run thrugh all the shapes
{
int lengthOfShape = detectedPoints[j].Count; // number of points in shape
// find the shape with a last added start point...
if (detectedPoints[j][lengthOfShape - 2].DistanceTo(currentGroundPoint) < 1) //4 distanceBetweenPoints
{
detectedPoints[j].Add(currentGroundPoint);
detectedPoints[j].Add(vertex);
shapeFoundForPoint = true;
break;
}
}
if (shapeFoundForPoint == false)
{
//... create a new shape and add the points
List <Vector3> shapePoints = new List <Vector3> {
currentGroundPoint, vertex
};
detectedPoints.Add(shapePoints);
}
}
shapeFoundForPoint = false;
//------------------------------------------------------------------------------------------------------------------------
}
}
vertex.y = z;
meshDataTool.SetVertex(i, vertex); // Draw shape
}
Vector3 prevPoint = new Vector3(10, 10, 10);
Vector3 prevprevPoint = new Vector3(10, 10, 10);
// ---------------------------- Add points to shapes --------------------------
for (int i = 0; i < detectedPoints.Count; i++)
{
// Point (000) removal
detectedPoints[i].RemoveAll(item => item == pointZero);
for (int j = 0; j < detectedPoints[i].Count; j++)
{
if (detectedPoints[i][j].z != prevprevPoint.z)
{
prevprevPoint = prevPoint;
prevPoint = detectedPoints[i][j];
}
else if (detectedPoints[i][j].z == prevprevPoint.z)
{
prevprevPoint = prevPoint;
prevPoint = detectedPoints[i][j];
detectedPoints[i].Remove(prevprevPoint);
}
}
int pointSets = 100000;
var sortOut = detectedPoints[i].Where((x, n) => n % pointSets == 0 || n - 1 % pointSets == 0);
Vector3[] convertedArr = sortOut.ToArray();
// -------------------------- Must be turned on ----------------------
convexPolygonShape = new ConvexPolygonShape();
convexPolygonShape.Points = convertedArr;
var areaShape = new Area();
areaShape.AddToGroup("cameraDetections");
DetectionCollisionShape = new CollisionShape();
DetectionCollisionShape.Shape = convexPolygonShape;
DetectionCollisionShape.Shape.Margin = 1;
areaShape.AddChild(DetectionCollisionShape);
detectBody.AddChild(areaShape);
// ----------------------------------------------------------------
}
detectedPoints.Clear();
sortedPoints.Clear();
// ---------------------------- Remove surface --------------------------
for (int j = 0; j < arrayPlane.GetSurfaceCount(); j++)
{
arrayPlane.SurfaceRemove(j); // Removes the drawing
}
meshDataTool.CommitToSurface(arrayPlane); // Resets the surface
UpdateShapes(); // Rerun function
}
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;
}
