public static MeshData GenerateSphereChunkMesh(NoiseMapData noiseMap, SphereMeshSettings sphereSettings, int lod)
{
int vertexIncrement = sphereSettings.GetVertexIncrement(lod);
MarchingCubes mc = new MarchingCubes(sphereSettings.chunkSize / vertexIncrement + 1, sphereSettings.chunkSize / vertexIncrement + 1, sphereSettings.chunkSize / vertexIncrement + 1);
mc.init_all();
mc = computeSphereChunk(mc, noiseMap.noiseMap, sphereSettings.noiseHeightScale, sphereSettings.radius, noiseMap.offset, vertexIncrement, sphereSettings.chunkSize);
mc.run();
mc.clean_temps();
//TerrainChunk.stopwatch = new System.Diagnostics.Stopwatch();
//TerrainChunk.stopwatch.Start();
MeshData meshData = new MeshData();
meshData.vertices = VertexToVector3Vertices(mc.vertices, mc.nverts(), noiseMap.offset, vertexIncrement);
meshData.normals = VertexToVector3Normals(mc.vertices, mc.nverts());
//meshData.uv = NormalsToUVs(mesh.normals);
meshData.uv = VerticesToUVs(meshData.vertices);
meshData.triangles = TrianglesToInt(mc.triangles, mc.ntrigs());
meshData.lod = lod;
//TerrainChunk.stopwatch.Stop();
//Debug.Log("Created MeshData in " + TerrainChunk.stopwatch.ElapsedMilliseconds / 1000f + " seconds");
return(meshData);
}
public Branch(int nodesPerChild, Vector3Int trunkOrigin, SphereMeshSettings meshSettings)
{
this.nodesPerChild = nodesPerChild;
this.meshSettings = meshSettings;
origin = trunkOrigin;
//Debug.Log("Created trunk with origin: " + origin + "nodesPerChild: " + nodesPerChild);
int nodeDiameter = nodesPerChild * 2;
bounds = new Bounds(trunkOrigin * meshSettings.chunkSize + (Vector3.one * meshSettings.chunkSize * nodesPerChild), (Vector3.one * meshSettings.chunkSize * nodeDiameter));
GenerateChildren();
}
public Branch(Vector3Int nodeIndex, int nodesPerChild, Vector3Int parentOrigin, SphereMeshSettings meshSettings)
{
this.nodesPerChild = nodesPerChild;
this.meshSettings = meshSettings;
origin = parentOrigin + (nodeIndex * 2 * nodesPerChild);
//origin = parentOrigin + (nodeIndex * 2 * nodesPerChild * meshSettings.chunkSize);
//Debug.Log("Created branch " + nodeIndex + "with origin: " + origin + "nodesPerChild: " + nodesPerChild);
int nodeDiameter = nodesPerChild * 2;
bounds = new Bounds(origin * meshSettings.chunkSize + (Vector3.one * meshSettings.chunkSize * nodesPerChild), (Vector3.one * meshSettings.chunkSize * nodeDiameter));
GenerateChildren();
}
public Octree(SphereMeshSettings meshSettings)
{
rootNodeRadius = Mathf.CeilToInt((meshSettings.radius + meshSettings.noiseHeightScale * 1.5f) / meshSettings.chunkSize);
if (rootNodeRadius % 2 == 1)
{
rootNodeRadius++;
}
//origin = new Vector3Int(-rootNodeRadius * meshSettings.chunkSize, -rootNodeRadius * meshSettings.chunkSize, -rootNodeRadius * meshSettings.chunkSize);
origin = new Vector3Int(-rootNodeRadius, -rootNodeRadius, -rootNodeRadius);
trunk = new Branch(rootNodeRadius, origin, meshSettings);
}
public static MeshData GenerateSphereMesh(NoiseMapData mapData, SphereMeshSettings sphereSettings, int vertexIncrement)
{
int mcExpand = Mathf.Min(Mathf.CeilToInt(sphereSettings.noiseHeightScale * sphereSettings.radius * 3) * 2 + 2, 59);
int halfMCExpand = mcExpand / 2;
Vector3 addOffset = new Vector3(-halfMCExpand, -halfMCExpand, -halfMCExpand);
MarchingCubes mc = new MarchingCubes(sphereSettings.chunkSize / vertexIncrement + mcExpand, sphereSettings.chunkSize / vertexIncrement + mcExpand, sphereSettings.chunkSize / vertexIncrement + mcExpand);
mc.init_all();
mc = computeSphere(mc, mapData.noiseMap, sphereSettings.noiseHeightScale, sphereSettings.radius, mapData.offset, vertexIncrement, sphereSettings.chunkSize, halfMCExpand);
mc.run();
mc.clean_temps();
MeshData meshData = new MeshData();
meshData.vertices = VertexToVector3Vertices(mc.vertices, mc.nverts(), mapData.offset + addOffset, vertexIncrement);
meshData.normals = VertexToVector3Normals(mc.vertices, mc.nverts());
//meshData.uv = NormalsToUVs(mesh.normals);
meshData.uv = VerticesToUVs(meshData.vertices);
meshData.triangles = TrianglesToInt(mc.triangles, mc.ntrigs());
return(meshData);
}
public TerrainChunk(Vector3 offset, Transform parent, NoiseSettings noiseSettings, SphereMeshSettings meshSettings, Material material, Transform viewer)
{
Vector3 size = Vector3.one * meshSettings.chunkSize;
bounds = new Bounds(offset + size / 2, size);
gameObject = new GameObject("Chunk: " + bounds.min);
gameObject.transform.SetParent(parent);
this.viewer = viewer;
this.noiseSettings = noiseSettings;
this.meshSettings = meshSettings;
this.lodSettings = meshSettings.lodSettings;
gameObject.AddComponent <MeshRenderer>().sharedMaterial = material;
meshFilter = gameObject.AddComponent <MeshFilter>();
meshCollider = gameObject.AddComponent <MeshCollider>();
InitializeLOD();
hasRequestedNoiseMap = true;
UnityTaskManager.ScheduleTask(RequestNoiseMap, OnNoiseMapReceived);
}
