void ApplyMesh(Mesh mesh, IList <Quad> quads, IList <Vector3> vertsShared,
IList <Vector2> uvs, IList <Vector3> normsShared = null, bool indep = false)
{
var verts = indep ? Quad.ToVertsIndep(quads, vertsShared) : ListTool.IListToArray(vertsShared);
var indices = Quad.ToIndices(quads, indep);
mesh.vertices = verts;
mesh.uv = Quad.ToUVsIndep(quads);
mesh.SetIndices(indices, MeshTopology.Triangles, 0);
if (normsShared != null)
{
mesh.normals = Quad.ToNormals(quads, normsShared, indep);
}
if (recalculateNormals)
{
mesh.RecalculateNormals();
}
if (recalculateTangents)
{
mesh.RecalculateTangents();
}
}
// 距离权重刷一波
public static List <BoneWeights> AutoRigDist(Transform rig, Mesh mesh, Transform[] bones)
{
var boneWgts = new List <BoneWeights>();
var verts = mesh.vertices;
var bwCount = Mathf.Min(I.maxBoneCount, bones.Length);
var closests = new List <ClosestInfo>();
//mesh.vertexCount diff to vertices.Length???
for (int i = 0; i < mesh.vertexCount; i++)
{
ListTool.ConstructList(ref closests, bwCount);
// verts[i] = transform.TransformPoint(verts[i]);
for (int b = 0; b < bones.Length; b++)
{
for (int w = 0; w < bwCount; w++) //最大骨骼数量，先保存这个数量的最近的骨骼
{
var info = closests[w];
var dist = Vector3.Distance(bones[b].position, verts[i]);
if (dist < info.dist) // 假如有四个骨骼，距离少于任意一个骨骼都
{
info.bone = bones[b];
info.dist = dist;
//sort
closests.Sort(ClosestInfo.Compare);
break;
}
}
}
var bi = new BoneWeights();
boneWgts.Add(bi);
//var distTotal = Mathf.Pow(DistTotal(), 2);
var distTotal = DistTotal(closests);
float n;
for (int j = 0; j < closests.Count; j++)
{
Weight bw = new Weight();
bi.wgts.Add(bw);
bw.t = closests[j].bone;
//bw.weight = Mathf.Pow(closests[j].dist, 2) / distTotal;
//if(closests[j].dist ==0) bw.weight
// else bw.weight = closests[j].dist / distTotal;
if (closests[j].dist == 0)
{
n = 0;
}
else
{
n = closests[j].dist / distTotal;
}
bw.weight = 1 - n;
bw.weight = Mathf.Pow(bw.weight, I.powValue);
if (float.IsNaN(bw.weight))
{
Debug.Log("Nan");
}
bw.delta = bw.t.InverseTransformPoint(verts[i]);// 顶点相对于骨骼的本地坐标
}
BoneWeights.NormalizeWeight(bi);
foreach (var w in bi.wgts)
{
w.weight = I.curveWeight.Evaluate(w.weight);
}
BoneWeights.NormalizeWeight(bi);
foreach (var w in bi.wgts)
{
if (float.IsNaN(w.weight))
{
Debug.Log("Nan After Curve And Normalize");
}
}
}
//print("boneWgts.Count:" + boneWgts.Count + Environment.NewLine + " " +
// MeshTool.ToString(mesh) + Environment.NewLine);
rig.Rotate(Vector3.right, -90);
rig.ApplyTransform();
//RigCurveModifier
return(boneWgts);
}