public float getDistanceBoneToVertex(IPEBone bone, IPEVertex vertex)
{
if (bone.To != -1 && bone.To != 0)
{
V3 from = (V3)bone.Position;
V3 to = (V3)this.PMD.Bone[bone.To].Position;
V3 v = (V3)vertex.Position;
float d1, d2, d3;
d1 = (v - from).Length();
d2 = (v - to).Length();
V3 line = to - from;
V3 dif = v - from;
if (line.Length() > 0.00001f)
{
d3 = (Cross(line, dif)).Length() / line.Length();
}
else
{
d3 = 100000f;
}
if (line.Length() > 0)
{
float difDot = Dot(line, dif) / line.Length();
//垂線の足がボーン上
if (difDot > 0 && difDot < line.Length())
{
return(Math.Min(d1, Math.Min(d2, d3)));
}
}
return(Math.Min(d1, d2));
}
else
{
V3 dif = (V3)((V3)vertex.Position - (V3)bone.Position);
return(dif.Length());
}
}
public float getDistanceBoneToVertex(IPEBone bone, IPEVertex vertex)
{
if (bone.To != -1 && bone.To != 0)
{
V3 from = (V3)bone.Position;
V3 to = (V3)this.PMD.Bone[bone.To].Position;
V3 v = (V3)vertex.Position;
float d1, d2, d3;
d1 = (v - from).Length();
d2 = (v - to).Length();
V3 line = to - from;
V3 dif = v - from;
if (line.Length() > 0.00001f)
{
d3 = (Cross(line, dif)).Length() / line.Length();
}
else
{
d3 = 100000f;
}
if (line.Length() > 0)
{
float difDot = Dot(line, dif) / line.Length();
//垂線の足がボーン上
if (difDot > 0 && difDot < line.Length())
{
return Math.Min(d1, Math.Min(d2, d3) );
}
}
return Math.Min(d1, d2);
}
else
{
V3 dif = (V3)((V3)vertex.Position - (V3)bone.Position);
return dif.Length();
}
}
// エントリポイント
public override void Run(IPERunArgs args)
{
try
{
//PMD/PMXファイルを操作するためにおまじない。
this.host = args.Host;
this.builder = this.host.Builder;
this.bd = this.host.Builder.SC;
this.connect = this.host.Connector;
this.pex = this.connect.Pmd.GetCurrentStateEx();
this.PMD = this.connect.Pmd.GetCurrentState();
this.PMX = this.connect.Pmx.GetCurrentState();
this.Form = this.connect.Form;
this.PMDView = this.connect.View.PMDView;
//-----------------------------------------------------------ここから-----------------------------------------------------------
//ここから処理開始
//-----------------------------------------------------------ここから-----------------------------------------------------------
if (this.connect.Form.PmxFormActivate)
{
for (int i = 0; i < this.PMX.Vertex.Count; i++)
{
IPXVertex vertex = this.PMX.Vertex[i];
V3 vp = (V3)vertex.Position;
int ind1, ind2;
ind1 = ind2 = -1;
float dis1, dis2;
dis1 = dis2 = 10000000;
for (int j = 0; j < this.PMX.Bone.Count; j++)
{
IPXBone bone = this.PMX.Bone[j];
V3 bp = (V3)bone.Position;
float dis;
if (bone.ToBone == null)
{
continue;
}
else
{
dis = getDistanceBoneToVertex(bone, vertex);
}
if (dis < dis1)
{
dis2 = dis1;
ind2 = ind1;
ind1 = j;
dis1 = dis;
}
else if (dis < dis2)
{
dis2 = dis;
ind2 = j;
}
}
if (ind1 >= 0)
{
vertex.Bone1 = this.PMX.Bone[ind1];
vertex.Weight1 = 1.0f;
}
if (ind2 >= 0)
{
vertex.Bone2 = this.PMX.Bone[ind2];
#if MODE_EXCLUSIVE
vertex.Weight2 = 0f;
#else
vertex.Weight2 = (1f * dis1 / (dis1 + dis2));
vertex.Weight1 = 1.0f - vertex.Weight2;
#endif
}
}
}
else
{
for (int i = 0; i < this.PMD.Vertex.Count; i++)
{
IPEVertex vertex = this.PMD.Vertex[i];
V3 vp = (V3)vertex.Position;
int ind1, ind2;
ind1 = ind2 = -1;
float dis1, dis2;
dis1 = dis2 = 10000000;
for (int j = 0; j < this.PMD.Bone.Count; j++)
{
IPEBone bone = this.PMD.Bone[j];
V3 bp = (V3)bone.Position;
float dis;
if (bone.To == -1 || bone.To == 0)
{
continue;
}
else
{
dis = getDistanceBoneToVertex(bone, vertex);
}
// float dis = (bp - vp).Length();
if (dis < dis1)
{
dis2 = dis1;
ind2 = ind1;
ind1 = j;
dis1 = dis;
}
else if (dis < dis2)
{
dis2 = dis;
ind2 = j;
}
}
if (ind1 >= 0)
{
vertex.Bone1 = ind1;
}
if (ind2 >= 0)
{
vertex.Bone2 = ind2;
#if MODE_EXCLUSIVE
vertex.Weight = 100;
#else
vertex.Weight = (int)(100f * dis2 / (dis1 + dis2));
#endif
}
}
}
//-----------------------------------------------------------ここまで-----------------------------------------------------------
//処理ここまで
//-----------------------------------------------------------ここまで-----------------------------------------------------------
//モデル・画面を更新します。
this.Update();
#if MODE_EXCLUSIVE
MessageBox.Show(this.PMD.Vertex.Count.ToString() + "個の頂点のウェイトを最短排他形式で設定しました。",
"ウェイト自動設定(排他的)", MessageBoxButtons.OK, MessageBoxIcon.Information);
#else
MessageBox.Show(this.PMX.Vertex.Count.ToString() + "個の頂点のウェイトを中間補完形式で設定しました。",
"ウェイト自動設定(補完的)", MessageBoxButtons.OK, MessageBoxIcon.Information);
#endif
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "エラー", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}