public static bool GenerateSphere(ref BrushMesh brushMesh, ref ChiselSphereDefinition definition)
{
definition.Validate();
var transform = float4x4.TRS(Vector3.zero, quaternion.AxisAngle(new Vector3(0, 1, 0), definition.rotation), Vector3.one);
return(BrushMeshFactory.GenerateSphere(ref brushMesh, definition.diameterXYZ, definition.offsetY, definition.generateFromCenter, transform, definition.horizontalSegments, definition.verticalSegments, definition.surfaceDefinition));
}
private static bool UpdateBrushMesh(Int32 brushMeshIndex,
BrushMesh brushMesh)
{
if (brushMeshIndex == 0 ||
brushMesh.vertices == null ||
brushMesh.halfEdges == null ||
brushMesh.polygons == null)
{
return(false);
}
var edgeCount = brushMesh.halfEdges.Length;
if (edgeCount < 12)
{
return(false);
}
var polygonCount = brushMesh.polygons.Length;
if (polygonCount < 4)
{
return(false);
}
var vertexCount = brushMesh.vertices.Length;
var result = UpdateBrushMesh(brushMeshIndex,
brushMesh.vertices,
brushMesh.halfEdges,
brushMesh.polygons);
return(result);
}
public BrushMesh(BrushMesh other)
{
version = other.version;
if (other.vertices != null)
{
vertices = new float3[other.vertices.Length];
Array.Copy(other.vertices, this.vertices, other.vertices.Length);
}
if (other.halfEdges != null)
{
halfEdges = new HalfEdge[other.halfEdges.Length];
Array.Copy(other.halfEdges, this.halfEdges, other.halfEdges.Length);
}
if (other.halfEdgePolygonIndices != null)
{
halfEdgePolygonIndices = new int[other.halfEdgePolygonIndices.Length];
Array.Copy(other.halfEdgePolygonIndices, this.halfEdgePolygonIndices, other.halfEdgePolygonIndices.Length);
}
if (other.polygons != null)
{
polygons = new Polygon[other.polygons.Length];
Array.Copy(other.polygons, this.polygons, other.polygons.Length);
}
if (other.planes != null)
{
planes = new float4[other.planes.Length];
Array.Copy(other.planes, this.planes, other.planes.Length);
}
}
public static bool UpdateBrushMesh(Int32 brushMeshInstanceID,
Vector3[] vertices,
BrushMesh.HalfEdge[] halfEdges,
BrushMesh.Polygon[] polygons)
{
if (vertices == null || halfEdges == null || polygons == null)
{
return(false);
}
if (!AssertBrushMeshIDValid(brushMeshInstanceID))
{
return(false);
}
BrushMesh brushMesh = GetBrushMesh(brushMeshInstanceID);
if (brushMesh == null)
{
Debug.LogWarning("Brush has no BrushMeshInstance set");
return(false);
}
if (!brushMesh.Set(vertices, halfEdges, polygons))
{
Debug.LogWarning("GenerateMesh failed");
return(false);
}
CSGManager.NotifyBrushMeshModified(brushMeshInstanceID);
return(true);
}
public static bool GenerateCapsule(ref BrushMesh brushMesh, ref ChiselCapsuleDefinition definition)
{
Vector3[] vertices = null;
if (!BrushMeshFactory.GenerateCapsuleVertices(ref definition, ref vertices))
{
brushMesh.Clear();
return(false);
}
// TODO: share this with GenerateCapsuleVertices
var bottomCap = !definition.haveRoundedBottom;
var topCap = !definition.haveRoundedTop;
var sides = definition.sides;
var segments = definition.segments;
var bottomVertex = definition.bottomVertex;
var topVertex = definition.topVertex;
if (!BrushMeshFactory.GenerateSegmentedSubMesh(ref brushMesh,
sides, segments,
vertices,
topCap, bottomCap,
topVertex, bottomVertex,
definition.surfaceDefinition))
{
brushMesh.Clear();
return(false);
}
return(true);
}
public static bool GenerateHemisphere(ref BrushMesh brushMesh, ref ChiselHemisphereDefinition definition)
{
definition.Validate();
var transform = Matrix4x4.TRS(Vector3.zero, Quaternion.AngleAxis(definition.rotation, Vector3.up), Vector3.one);
return(GenerateHemisphereSubMesh(ref brushMesh, definition.diameterXYZ, transform, definition.horizontalSegments, definition.verticalSegments, definition.surfaceDefinition));
}
public bool EnsureSize(int expectedSize)
{
if ((brushMeshes != null && expectedSize == brushMeshes.Length) ||
(brushMeshes == null && expectedSize == 0))
{
return(false);
}
if (expectedSize == 0)
{
brushMeshes = null;
return(true);
}
var newBrushMeshes = new BrushMesh[expectedSize];
var prevLength = (brushMeshes == null) ? 0 : brushMeshes.Length;
if (prevLength > 0)
{
Array.Copy(brushMeshes, newBrushMeshes, Mathf.Min(newBrushMeshes.Length, prevLength));
}
for (int i = prevLength; i < newBrushMeshes.Length; i++)
{
newBrushMeshes[i] = new BrushMesh();
}
brushMeshes = newBrushMeshes;
operations = new CSGOperationType[expectedSize];
return(true);
}
public BrushMesh(BrushMesh other)
{
version = other.version;
if (other.vertices != null)
{
vertices = new Vector3[other.vertices.Length];
Array.Copy(other.vertices, this.vertices, other.vertices.Length);
}
if (other.halfEdges != null)
{
halfEdges = new HalfEdge[other.halfEdges.Length];
Array.Copy(other.halfEdges, this.halfEdges, other.halfEdges.Length);
}
if (other.halfEdgePolygonIndices != null)
{
halfEdgePolygonIndices = new int[other.halfEdgePolygonIndices.Length];
Array.Copy(other.halfEdgePolygonIndices, this.halfEdgePolygonIndices, other.halfEdgePolygonIndices.Length);
}
if (other.polygons != null)
{
polygons = new Polygon[other.polygons.Length];
Array.Copy(other.polygons, this.polygons, other.polygons.Length);
}
if (other.surfaces != null)
{
surfaces = new Surface[other.surfaces.Length];
Array.Copy(other.surfaces, this.surfaces, other.surfaces.Length);
}
}
public void Reset()
{
brushOutline = null;
if (surfaceDefinition != null)
{
surfaceDefinition.Reset();
}
}
// TODO: batch & jobify this somehow
public unsafe static BlobAssetReference <BrushMeshBlob> Build(BrushMesh brushMesh, Allocator allocator = Allocator.Persistent)
{
if (brushMesh == null ||
brushMesh.vertices == null ||
brushMesh.polygons == null ||
brushMesh.halfEdges == null ||
brushMesh.vertices.Length < 4 ||
brushMesh.polygons.Length < 4 ||
brushMesh.halfEdges.Length < 12)
{
return(BlobAssetReference <BrushMeshBlob> .Null);
}
ref var srcVertices = ref brushMesh.vertices;
// temporary solution to be able to see a brush wireframe
static BrushOutline CreateOutline(BrushMesh brushMesh)
{
var brushOutline = new BrushOutline();
brushOutline.Reset();
if (brushMesh == null)
{
return(brushOutline);
}
brushOutline.surfaceOutlines = new Outline[brushMesh.surfaces.Length];
brushOutline.vertices = brushMesh.vertices.ToArray();
var surfaceOutlines = brushOutline.surfaceOutlines;
for (int p = 0; p < brushMesh.polygons.Length; p++)
{
surfaceOutlines[p] = new Outline();
surfaceOutlines[p].Reset();
}
var brushVisibleOuterLines = new List <int>();
var surfaceVisibleOuterLines = new List <int>();
for (int p = 0; p < brushMesh.polygons.Length; p++)
{
var surfaceOutline = surfaceOutlines[p];
surfaceVisibleOuterLines.Clear();
var firstEdge = brushMesh.polygons[p].firstEdge;
var edgeCount = brushMesh.polygons[p].edgeCount;
var lastEdge = firstEdge + edgeCount;
var vertexIndex0 = brushMesh.halfEdges[lastEdge - 1].vertexIndex;
var vertexIndex1 = 0;
for (int h = firstEdge; h < lastEdge; vertexIndex0 = vertexIndex1, h++)
{
vertexIndex1 = brushMesh.halfEdges[h].vertexIndex;
if (vertexIndex0 > vertexIndex1) // avoid duplicate edges
{
brushVisibleOuterLines.Add(vertexIndex0);
brushVisibleOuterLines.Add(vertexIndex1);
}
surfaceVisibleOuterLines.Add(vertexIndex0);
surfaceVisibleOuterLines.Add(vertexIndex1);
}
surfaceOutline.visibleOuterLines = surfaceVisibleOuterLines.ToArray();
}
brushOutline.brushOutline.visibleOuterLines = brushVisibleOuterLines.ToArray();
return(brushOutline);
}
public bool Generate(ref ChiselBrushContainer brushContainer)
{
Profiler.BeginSample("GenerateBrush");
try
{
if (!IsValid)
{
return(false);
}
Profiler.BeginSample("EnsureSize");
brushContainer.EnsureSize(1);
Profiler.EndSample();
Profiler.BeginSample("new BrushMesh");
BrushMesh brushMesh;
if (brushContainer.brushMeshes[0] == null)
{
brushMesh = new BrushMesh(brushOutline);
brushContainer.brushMeshes[0] = brushMesh;
}
else
{
brushContainer.brushMeshes[0].CopyFrom(brushOutline);
brushMesh = brushContainer.brushMeshes[0];
}
Profiler.EndSample();
Profiler.BeginSample("Definition.Validate");
Validate();
Profiler.EndSample();
Profiler.BeginSample("Assign Materials");
for (int p = 0; p < brushMesh.polygons.Length; p++)
{
brushMesh.polygons[p].surface = surfaceDefinition.surfaces[p];
}
Profiler.EndSample();
Profiler.BeginSample("BrushMesh.Validate");
var valid = brushMesh.Validate();
Profiler.EndSample();
return(valid);
}
finally
{
Profiler.EndSample();
}
}
static bool GenerateBox(ref BrushMesh brushMesh, ref ChiselBoxDefinition definition)
{
definition.Validate();
var min = definition.min;
var max = definition.max;
if (!BoundsExtensions.IsValid(min, max))
{
brushMesh.Clear();
return(false);
}
return(GenerateBox(ref brushMesh, definition.min, definition.max, definition.surfaceDefinition));
}
private static Int32 CreateBrushMesh(int userID, BrushMesh brushMesh)
{
if (brushMesh == null ||
brushMesh.vertices == null ||
brushMesh.halfEdges == null ||
brushMesh.polygons == null)
{
return(0);
}
var edgeCount = brushMesh.halfEdges.Length;
if (edgeCount < 12)
{
return(0);
}
var polygonCount = brushMesh.polygons.Length;
if (polygonCount < 4)
{
return(0);
}
var vertexCount = brushMesh.vertices.Length;
if (vertexCount < 4)
{
return(0);
}
#if USE_MANAGED_CSG_IMPLEMENTATION
var result = CreateBrushMesh(userID,
brushMesh.vertices,
brushMesh.halfEdges,
brushMesh.polygons);
#else
var result = CreateBrushMesh(userID,
vertexCount, brushMesh.vertices,
edgeCount, brushMesh.halfEdges,
polygonCount, brushMesh.polygons);
#endif
if (result <= 0)
{
result = 0;
}
return(result);
}
public static bool UpdateBrushMesh(Int32 brushMeshInstanceID,
float3[] vertices,
BrushMesh.HalfEdge[] halfEdges,
BrushMesh.Polygon[] polygons)
{
if (vertices == null || halfEdges == null || polygons == null)
{
return(false);
}
if (!AssertBrushMeshIDValid(brushMeshInstanceID))
{
return(false);
}
BrushMesh brushMesh = GetBrushMesh(brushMeshInstanceID);
if (brushMesh == null)
{
Debug.LogWarning("Brush has no BrushMeshInstance set");
return(false);
}
if (!brushMesh.Set(vertices, halfEdges, polygons))
{
Debug.LogWarning("GenerateMesh failed");
return(false);
}
var brushMeshIndex = brushMeshInstanceID - 1;
if (ChiselMeshLookup.Value.brushMeshBlobs.TryGetValue(brushMeshIndex, out BlobAssetReference <BrushMeshBlob> item))
{
ChiselMeshLookup.Value.brushMeshBlobs.Remove(brushMeshIndex);
if (item.IsCreated)
{
item.Dispose();
}
}
ChiselMeshLookup.Value.brushMeshBlobs[brushMeshIndex] = BrushMeshBlob.Build(brushMesh);
Profiler.BeginSample("BrushMeshBlob.Build");
CSGManager.NotifyBrushMeshModified(brushMeshInstanceID);
Profiler.EndSample();
return(true);
}
public BrushMesh(BrushMesh other)
{
if (other.vertices != null)
{
vertices = new Vector3[other.vertices.Length];
Array.Copy(other.vertices, this.vertices, other.vertices.Length);
}
if (other.halfEdges != null)
{
halfEdges = new HalfEdge[other.halfEdges.Length];
Array.Copy(other.halfEdges, this.halfEdges, other.halfEdges.Length);
}
if (other.polygons != null)
{
polygons = new Polygon[other.polygons.Length];
Array.Copy(other.polygons, this.polygons, other.polygons.Length);
}
}
private static Int32 CreateBrushMesh(int userID, BrushMesh brushMesh)
{
if (brushMesh == null ||
brushMesh.vertices == null ||
brushMesh.halfEdges == null ||
brushMesh.polygons == null)
{
return(0);
}
var edgeCount = brushMesh.halfEdges.Length;
if (edgeCount < 12)
{
return(0);
}
var polygonCount = brushMesh.polygons.Length;
if (polygonCount < 4)
{
return(0);
}
var vertexCount = brushMesh.vertices.Length;
if (vertexCount < 4)
{
return(0);
}
var result = CreateBrushMesh(userID,
brushMesh.vertices,
brushMesh.halfEdges,
brushMesh.polygons);
if (result <= 0)
{
result = 0;
}
return(result);
}
public static bool GenerateStadium(ref BrushMesh brushMesh, ref ChiselStadiumDefinition definition)
{
definition.Validate();
Vector3[] vertices = null;
if (!GenerateStadiumVertices(definition, ref vertices))
{
brushMesh.Clear();
return(false);
}
var surfaceIndices = new int[vertices.Length + 2];
if (!BrushMeshFactory.CreateExtrudedSubMesh(ref brushMesh, definition.sides, surfaceIndices, 0, 1, vertices, definition.surfaceDefinition))
{
brushMesh.Clear();
return(false);
}
return(true);
}
public static Int32 CreateBrushMesh(Int32 userID,
float3[] vertices,
BrushMesh.HalfEdge[] halfEdges,
BrushMesh.Polygon[] polygons)
{
int brushMeshID = CreateBrushMeshID(userID);
BrushMesh brushMesh = GetBrushMesh(brushMeshID);
if (brushMesh == null)
{
Debug.LogWarning("brushMesh == nullptr");
DestroyBrushMesh(brushMeshID);
return(BrushMeshInstance.InvalidInstanceID);
}
if (!brushMesh.Set(vertices, halfEdges, polygons))
{
Debug.LogWarning("GenerateMesh failed");
DestroyBrushMesh(brushMeshID);
return(BrushMeshInstance.InvalidInstanceID);
}
var brushMeshIndex = brushMeshID - 1;
if (ChiselMeshLookup.Value.brushMeshBlobs.TryGetValue(brushMeshIndex, out BlobAssetReference <BrushMeshBlob> item))
{
ChiselMeshLookup.Value.brushMeshBlobs.Remove(brushMeshIndex);
if (item.IsCreated)
{
item.Dispose();
}
}
ChiselMeshLookup.Value.brushMeshUpdateList.Add(brushMeshIndex);
/*
* Profiler.BeginSample("BrushMeshBlob.Build");
* ChiselMeshLookup.Value.brushMeshBlobs[brushMeshIndex] = BrushMeshBlob.Build(brushMesh);
* Profiler.EndSample();*/
return(brushMeshID);
}
private static bool UpdateBrushMesh(Int32 brushMeshIndex,
BrushMesh brushMesh)
{
if (brushMeshIndex == 0 ||
brushMesh.vertices == null ||
brushMesh.halfEdges == null ||
brushMesh.polygons == null)
{
return(false);
}
var edgeCount = brushMesh.halfEdges.Length;
if (edgeCount < 12)
{
return(false);
}
var polygonCount = brushMesh.polygons.Length;
if (polygonCount < 5)
{
return(false);
}
var vertexCount = brushMesh.vertices.Length;
#if USE_MANAGED_CSG_IMPLEMENTATION
var result = UpdateBrushMesh(brushMeshIndex,
brushMesh.vertices,
brushMesh.halfEdges,
brushMesh.polygons);
#else
var result = UpdateBrushMesh(brushMeshIndex,
vertexCount, brushMesh.vertices,
edgeCount, brushMesh.halfEdges,
polygonCount, brushMesh.polygons);
#endif
return(result);
}
private static bool UpdateBrushMesh(Int32 brushMeshID,
BrushMesh brushMesh,
bool notifyBrushMeshModified = true)
{
if (brushMeshID == 0 ||
brushMesh.vertices == null ||
brushMesh.halfEdges == null ||
brushMesh.polygons == null)
{
return(false);
}
var edgeCount = brushMesh.halfEdges.Length;
if (edgeCount < 12)
{
return(false);
}
var polygonCount = brushMesh.polygons.Length;
if (polygonCount < 4)
{
return(false);
}
var result = UpdateBrushMesh(brushMeshID,
brushMesh.vertices,
brushMesh.halfEdges,
brushMesh.polygons);
if (notifyBrushMeshModified)
{
Profiler.BeginSample("CSGManager.NotifyBrushMeshModified");
CSGManager.NotifyBrushMeshModified(brushMeshID);
Profiler.EndSample();
}
return(result);
}
public static Int32 CreateBrushMesh(Int32 userID,
Vector3[] vertices,
BrushMesh.HalfEdge[] halfEdges,
BrushMesh.Polygon[] polygons)
{
int brushMeshID = CreateBrushMeshID(userID);
BrushMesh brushMesh = GetBrushMesh(brushMeshID);
if (brushMesh == null)
{
Debug.LogWarning("brushMesh == nullptr");
DestroyBrushMesh(brushMeshID);
return(BrushMeshInstance.InvalidInstanceID);
}
if (!brushMesh.Set(vertices, halfEdges, polygons))
{
Debug.LogWarning("GenerateMesh failed");
DestroyBrushMesh(brushMeshID);
return(BrushMeshInstance.InvalidInstanceID);
}
return(brushMeshID);
}
public unsafe static BlobAssetReference <BrushMeshBlob> Build(BrushMesh brushMesh)
{
if (brushMesh == null ||
brushMesh.vertices.Length < 4 ||
brushMesh.polygons.Length < 4 ||
brushMesh.halfEdges.Length < 12)
{
return(BlobAssetReference <BrushMeshBlob> .Null);
}
var srcVertices = brushMesh.vertices;
//var srcPlanes = brushMesh.planes;
var totalPolygonSize = 16 + (brushMesh.polygons.Length * UnsafeUtility.SizeOf <Polygon>());
var totalPlaneSize = 16 + (brushMesh.planes.Length * UnsafeUtility.SizeOf <float4>());
var totalPolygonIndicesSize = 16 + (brushMesh.halfEdgePolygonIndices.Length * UnsafeUtility.SizeOf <int>());
var totalHalfEdgeSize = 16 + (brushMesh.halfEdges.Length * UnsafeUtility.SizeOf <BrushMesh.HalfEdge>());
var totalVertexSize = 16 + (srcVertices.Length * UnsafeUtility.SizeOf <float3>());
var totalSize = totalPlaneSize + totalPolygonSize + totalPolygonIndicesSize + totalHalfEdgeSize + totalVertexSize;
var builder = new BlobBuilder(Allocator.Temp, totalSize);
ref var root = ref builder.ConstructRoot <BrushMeshBlob>();
public void Reset()
{
brushOutline = null;
}
public static bool GenerateHemisphereSubMesh(ref BrushMesh brushMesh, Vector3 diameterXYZ, Matrix4x4 transform, int horzSegments, int vertSegments, in ChiselSurfaceDefinition surfaceDefinition)
// TODO: clean up public static bool GenerateSegmentedSubMesh(ref BrushMesh brushMesh, int horzSegments, int vertSegments, Vector3[] segmentVertices, bool topCap, bool bottomCap, int topVertex, int bottomVertex, in ChiselSurfaceDefinition surfaceDefinition)
public static bool GenerateRevolvedShape(ref ChiselBrushContainer brushContainer, ref ChiselRevolvedShapeDefinition definition)
{
definition.Validate();
var shapeVertices = new List <Vector2>();
var shapeSegmentIndices = new List <int>();
BrushMeshFactory.GetPathVertices(definition.shape, definition.curveSegments, shapeVertices, shapeSegmentIndices);
Vector2[][] polygonVerticesArray;
int[][] polygonIndicesArray;
if (!Decomposition.ConvexPartition(shapeVertices, shapeSegmentIndices,
out polygonVerticesArray,
out polygonIndicesArray))
{
return(false);
}
// TODO: splitting it before we do the composition would be better
var polygonVerticesList = polygonVerticesArray.ToList();
for (int i = polygonVerticesList.Count - 1; i >= 0; i--)
{
SplitPolygon(polygonVerticesList, i);
}
var brushMeshesList = new List <BrushMesh>();
var horzSegments = definition.revolveSegments; //horizontalSegments;
var horzDegreePerSegment = definition.totalAngle / horzSegments;
// TODO: make this work when intersecting rotation axis
// 1. split polygons along rotation axis
// 2. if edge lies on rotation axis, make sure we don't create infinitely thin quad
// collapse this quad, or prevent this from happening
// TODO: share this code with torus generator
for (int p = 0; p < polygonVerticesList.Count; p++)
{
var polygonVertices = polygonVerticesList[p];
// var segmentIndices = polygonIndicesArray[p];
var shapeSegments = polygonVertices.Length;
var vertSegments = polygonVertices.Length;
var descriptionIndex = new int[2 + vertSegments];
descriptionIndex[0] = 0;
descriptionIndex[1] = 1;
for (int v = 0; v < vertSegments; v++)
{
descriptionIndex[v + 2] = 2;
}
var horzOffset = definition.startAngle;
for (int h = 1, pr = 0; h < horzSegments + 1; pr = h, h++)
{
var hDegree0 = (pr * horzDegreePerSegment) + horzOffset;
var hDegree1 = (h * horzDegreePerSegment) + horzOffset;
var rotation0 = quaternion.AxisAngle(Vector3.forward, hDegree0);
var rotation1 = quaternion.AxisAngle(Vector3.forward, hDegree1);
var subMeshVertices = new Vector3[vertSegments * 2];
for (int v = 0; v < vertSegments; v++)
{
subMeshVertices[v + vertSegments] = math.mul(rotation0, new Vector3(polygonVertices[v].x, 0, polygonVertices[v].y));
subMeshVertices[v] = math.mul(rotation1, new Vector3(polygonVertices[v].x, 0, polygonVertices[v].y));
}
var brushMesh = new BrushMesh();
if (!BrushMeshFactory.CreateExtrudedSubMesh(ref brushMesh, vertSegments, descriptionIndex, 0, 1, subMeshVertices, in definition.surfaceDefinition))
{
continue;
}
if (!brushMesh.Validate())
{
return(false);
}
brushMeshesList.Add(brushMesh);
}
}
brushContainer.CopyFrom(brushMeshesList);
return(true);
}
/// <summary>Update this <see cref="Chisel.Core.BrushMeshInstance"/> with the given <see cref="Chisel.Core.BrushMesh"/>.</summary>
/// <param name="brushMesh">The <see cref="Chisel.Core.BrushMesh"/> to update the <see cref="Chisel.Core.BrushMeshInstance"/> with</param>
/// <returns><b>true</b> on success, <b>false</b> on failure. In case of failure the brush will keep using the previously set <see cref="Chisel.Core.BrushMesh"/>.</returns>
public bool Set(BrushMesh brushMesh)
{
return(UpdateBrushMesh(brushMeshID, brushMesh));
}
/// <summary>Create a <see cref="Chisel.Core.BrushMeshInstance"/> from a given <see cref="Chisel.Core.BrushMesh"/></summary>
/// <param name="brushMesh">The <see cref="Chisel.Core.BrushMesh"/> to create an instance with</param>
/// <returns>A newly created <see cref="Chisel.Core.BrushMeshInstance"/> on success, or an invalid <see cref="Chisel.Core.BrushMeshInstance"/> on failure.</returns>
public static BrushMeshInstance Create(BrushMesh brushMesh, Int32 userID = 0)
{
return(new BrushMeshInstance {
brushMeshID = CreateBrushMesh(userID, brushMesh)
});
}
public static bool GenerateBox(ref BrushMesh brushMesh, UnityEngine.Vector3 min, UnityEngine.Vector3 max, in ChiselSurfaceDefinition surfaceDefinition)