private void SplitTriangle(int offset)
{
int i0 = offset % 3;
int i1 = (1 + offset) % 3;
int i2 = (2 + offset) % 3;
int indexHit0 = _mesh.AddLerpVertex(triIndicies[i0], triIndicies[i1], lineLerp[i0]);
int indexHit1 = _mesh.AddLerpVertex(triIndicies[i1], triIndicies[i2], lineLerp[i1]);
AddCapIndex(indexHit0);
AddCapIndex(indexHit1);
smallTri[0] = indexHit0;
smallTri[1] = triIndicies[i1];
smallTri[2] = indexHit1;
bigTri[0] = triIndicies[i0];
bigTri[1] = indexHit0;
bigTri[2] = indexHit1;
bigTri[3] = triIndicies[i0];
bigTri[4] = indexHit1;
bigTri[5] = triIndicies[i2];
if (_splitPlane.PointSide(_mesh.wsVerts[triIndicies[i1]]) > 0f)
{
_mesh.trisUp.Add(smallTri[0]);
_mesh.trisUp.Add(smallTri[1]);
_mesh.trisUp.Add(smallTri[2]);
_mesh.trisDown.Add(bigTri[0]);
_mesh.trisDown.Add(bigTri[1]);
_mesh.trisDown.Add(bigTri[2]);
_mesh.trisDown.Add(bigTri[3]);
_mesh.trisDown.Add(bigTri[4]);
_mesh.trisDown.Add(bigTri[5]);
}
else
{
_mesh.trisDown.Add(smallTri[0]);
_mesh.trisDown.Add(smallTri[1]);
_mesh.trisDown.Add(smallTri[2]);
_mesh.trisUp.Add(bigTri[0]);
_mesh.trisUp.Add(bigTri[1]);
_mesh.trisUp.Add(bigTri[2]);
_mesh.trisUp.Add(bigTri[3]);
_mesh.trisUp.Add(bigTri[4]);
_mesh.trisUp.Add(bigTri[5]);
#if UNITY_EDITOR
if (ShowDebug)
{
DrawDebugTri(smallTri, Color.magenta);
DrawDebugTriDouble(bigTri, Color.cyan);
}
#endif
}
}
