/// <summary>Copies the contents of the generated mesh to a [UnityEngine.Mesh](https://docs.unity3d.com/ScriptReference/Mesh.html).</summary>
/// <param name="mesh">The mesh to copy the <see cref="Chisel.Core.GeneratedMeshContents"/> into</param>
/// <remarks><code>
/// MeshDescription meshDescription = ... ;
/// GeneratedMeshContents contents = tree.GetGeneratedMesh(meshDescription);
/// UnityEngine.Mesh unityMesh = new UnityEngine.Mesh();
/// contents.CopyTo(unityMesh);
/// </code>
/// See the [Create Unity Meshes](~/documentation/createUnityMesh.md) article for more information.
/// </remarks>
/// <exception cref="System.ArgumentNullException">Thrown when <paramref name="mesh"/> is null.</exception>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="mesh"/> is invalid. This can happen when the mesh has already been destroyed.</exception>
public void CopyTo(UnityEngine.Mesh mesh)
{
if (object.ReferenceEquals(mesh, null))
{
throw new ArgumentNullException("mesh");
}
if (!mesh)
{
throw new ArgumentException("mesh", "mesh is not valid, it might have already been destroyed");
}
if (description.vertexCount < 3 ||
description.indexCount < 3)
{
mesh.Clear();
return;
}
mesh.SetVertices(positions);
if (normals.IsCreated)
{
mesh.SetNormals(normals);
}
if (tangents.IsCreated)
{
mesh.SetTangents(tangents);
}
if (uv0.IsCreated)
{
mesh.SetUVs(0, uv0);
}
mesh.SetTriangles(indices.ToArray(), 0, false);
mesh.bounds = bounds;
}
/** 箱。作成。
*/
public static UnityEngine.Mesh CreateMesh(System.Collections.Generic.List <UnityEngine.Vector3> a_vertex_list, System.Collections.Generic.List <int> a_index_list, System.Collections.Generic.List <UnityEngine.Vector2> a_uv_list)
{
UnityEngine.Mesh t_mesh = new UnityEngine.Mesh();
{
t_mesh.SetVertices(a_vertex_list);
t_mesh.SetTriangles(a_index_list, 0);
t_mesh.SetUVs(0, a_uv_list);
t_mesh.RecalculateBounds();
t_mesh.RecalculateNormals();
t_mesh.RecalculateTangents();
}
return(t_mesh);
}
protected override void OnCreateManager()
{
base.OnCreateManager();
instanceMesh = new UnityEngine.Mesh();
instanceMesh.SetVertices(
new System.Collections.Generic.List <UnityEngine.Vector3>()
{
new UnityEngine.Vector3(-0.25f, 0f, 0f),
new UnityEngine.Vector3(-0.25f, 0.5f, 0f),
new UnityEngine.Vector3(0.25f, 0f, 0f),
new UnityEngine.Vector3(0.25f, 0.5f, 0f),
}
);
instanceMesh.SetUVs(
0,
new System.Collections.Generic.List <UnityEngine.Vector2>()
{
new UnityEngine.Vector3(0f, 0f),
new UnityEngine.Vector3(0f, 1f),
new UnityEngine.Vector3(1f, 0f),
new UnityEngine.Vector3(1f, 1f),
}
);
instanceMesh.SetTriangles(
new System.Collections.Generic.List <int>()
{
0, 1, 2, 3, 2, 1
},
0
);
instanceMesh.UploadMeshData(true);
instanceCount = 0;
InsObjSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(InsObj));
argsBuffer = new UnityEngine.ComputeBuffer(1, args.Length * sizeof(uint), UnityEngine.ComputeBufferType.IndirectArguments);
InsObjs = null;
InsObjsID = UnityEngine.Shader.PropertyToID("InsObjs");
}
protected override void OnCreateManager()
{
base.OnCreateManager();
materialPropertyBlock = new UnityEngine.MaterialPropertyBlock();
instanceMesh = new UnityEngine.Mesh();
instanceMesh.SetVertices(
new System.Collections.Generic.List <UnityEngine.Vector3>()
{
new UnityEngine.Vector3(-0.25f, 0f, 0f),
new UnityEngine.Vector3(-0.25f, 0.5f, 0f),
new UnityEngine.Vector3(0.25f, 0f, 0f),
new UnityEngine.Vector3(0.25f, 0.5f, 0f),
}
);
instanceMesh.SetUVs(
0,
new System.Collections.Generic.List <UnityEngine.Vector2>()
{
new UnityEngine.Vector3(0f, 0f),
new UnityEngine.Vector3(0f, 1f),
new UnityEngine.Vector3(1f, 0f),
new UnityEngine.Vector3(1f, 1f),
}
);
instanceMesh.SetTriangles(
new System.Collections.Generic.List <int>()
{
0, 1, 2, 3, 2, 1
},
0
);
instanceMesh.UploadMeshData(true);
TRSs = new UnityEngine.Matrix4x4[INSTANCE_MAX];
columnIndx = new float[INSTANCE_MAX];
rowIndx = new float[INSTANCE_MAX];
ColumnID = UnityEngine.Shader.PropertyToID("_ColumnIndx");
RowID = UnityEngine.Shader.PropertyToID("_RowIndx");
}
private void ApplyTextureCoordinates()
{
for (int channelId = 0; channelId < 4; ++channelId)
{
var textureCoordinates = GetTextureCoordinates(channelId);
if (textureCoordinates != null)
{
unityTextureCoordinates.Clear();
for (int i = 0; i < textureCoordinates.Length; ++i)
{
unityTextureCoordinates.Add(textureCoordinates[i]);
}
unityMesh.SetUVs(channelId, unityTextureCoordinates);
}
}
}
public UnityEngine.Mesh ToMesh()
{
return(ab);
var mesh = new UnityEngine.Mesh();
// mesh.uv=uv.ToArray();
// mesh.triangles = Faces.ToArray();
for (int i = 0; i < Vertices.Count; i++)
{
var v = Vertices[i];
v.x -= 30;
Vertices[i] = v;
// Vertices[i]=new UnityEngine.Vector3();
}
mesh.vertices = (Vertices).ToArray();
UnityEngine.Debug.Log("count" + uv.Count);
var wr = Faces.ToArray();
Array.Resize(ref wr, Vertices.Count);
mesh.SetIndices(wr, UnityEngine.MeshTopology.Triangles, 0);
var tw = uv.ToArray();
Array.Resize(ref tw, Vertices.Count);
// uv.ToArray();
//var sz= new UnityEngine.Vector3[] { normal };
// Array.Resize(ref sz, Vertices.Count);
// mesh.normals = sz;
mesh.SetUVs(0, tw.ToList());
// mesh.normals = new UnityEngine.Vector3[] { normal };
return(mesh);
}
public static UnityEngine.Mesh ToUnityMesh(File file)
{
if (file.FileType != File.Type.Model)
{
return(null);
}
Assimp.AssimpContext ctx = new Assimp.AssimpContext();
Assimp.Scene s = ctx.ImportFileFromStream(file.StreamData, Assimp.PostProcessSteps.Triangulate);
if (!s.HasMeshes)
{
return(null);
}
var mesh = s.Meshes[0];
var newMesh = new UnityEngine.Mesh();
newMesh.vertices = mesh.Vertices.ConvertAll(v => v.ToV3()).ToArray();
//int[] indicies = mesh.GetIndices();
List <int> indicies = new List <int>();
foreach (var face in mesh.Faces)
{
indicies.AddRange(face.Indices);
}
newMesh.triangles = indicies.ToArray();
for (int i = 0; i < mesh.TextureCoordinateChannelCount; ++i)
{
newMesh.SetUVs(i, mesh.TextureCoordinateChannels[i].ConvertAll(v => v.ToV2()));
}
return(newMesh);
}