// 仮想メッシュ頂点ごと
public void Execute(int vindex)
{
// 計算フラグ頂点のみ
var vflag = virtualVertexFlagList[vindex];
if (vflag == 0)
{
return;
}
//uint info = virtualVertexInfoList[vindex];
// 使用頂点のみ
//if ((info & 0xffff) == 0)
if (virtualVertexUseList[vindex] == 0)
{
return;
}
// このメッシュの使用をチェック
//int mindex = DataUtility.Unpack16Hi(info);
int mindex = virtualVertexMeshIndexList[vindex];
var m_minfo = virtualMeshInfoList[mindex - 1]; // (-1)するので注意！
if (m_minfo.IsUse() == false)
{
return;
}
var s_minfo = sharedVirtualMeshInfoList[m_minfo.sharedVirtualMeshIndex];
int s_vstart = s_minfo.vertexChunk.startIndex;
int i = vindex - m_minfo.vertexChunk.startIndex;
int m_tstart = m_minfo.triangleChunk.startIndex;
uint pack = sharedVirtualVertexToTriangleInfoList[s_vstart + i];
int s_tcnt = DataUtility.Unpack8_24Hi(pack);
int s_tstart = DataUtility.Unpack8_24Low(pack);
if (s_tcnt == 0)
{
return;
}
s_tstart += s_minfo.vertexToTriangleChunk.startIndex;
float3 nor = 0;
float3 tan = 0;
for (int j = 0; j < s_tcnt; j++)
{
int tindex = sharedVirtualVertexToTriangleIndexList[s_tstart + j] + m_tstart;
nor += virtualTriangleNormalList[tindex];
tan += virtualTriangleTangentList[tindex];
}
nor = math.normalize(nor);
tan = math.normalize(tan);
virtualRotList[vindex] = quaternion.LookRotation(nor, tan);
}