public override void DrawSceneGUI()
{
MegaFFD ffd = (MegaFFD)target;
bool snapshot = false;
if (ffd.DisplayGizmo)
{
MegaModifiers context = ffd.GetComponent <MegaModifiers>();
if (context && context.DrawGizmos)
{
Vector3 size = ffd.lsize;
Vector3 osize = ffd.lsize;
osize.x = 1.0f / size.x;
osize.y = 1.0f / size.y;
osize.z = 1.0f / size.z;
Matrix4x4 tm1 = Matrix4x4.identity;
Quaternion rot = Quaternion.Euler(ffd.gizmoRot);
tm1.SetTRS(-(ffd.gizmoPos + ffd.Offset), rot, Vector3.one);
Matrix4x4 tm = Matrix4x4.identity;
Handles.matrix = Matrix4x4.identity;
if (context != null && context.sourceObj != null)
{
tm = context.sourceObj.transform.localToWorldMatrix * tm1;
}
else
{
tm = ffd.transform.localToWorldMatrix * tm1;
}
DrawGizmos(ffd, tm); //Handles.matrix);
Handles.color = Color.yellow;
#if false
int pc = ffd.GridSize();
pc = pc * pc * pc;
for (int i = 0; i < pc; i++)
{
Vector3 p = ffd.GetPoint(i); // + ffd.bcenter;
//pm = Handles.PositionHandle(p, Quaternion.identity);
pm = Handles.FreeMoveHandle(p, Quaternion.identity, ffd.KnotSize * 0.1f, Vector3.zero, Handles.CircleCap);
pm -= ffd.bcenter;
p = Vector3.Scale(pm, osize);
p.x += 0.5f;
p.y += 0.5f;
p.z += 0.5f;
ffd.pt[i] = p;
}
#endif
int gs = ffd.GridSize();
//int i = 0;
Vector3 ttp = Vector3.zero;
for (int z = 0; z < gs; z++)
{
for (int y = 0; y < gs; y++)
{
for (int x = 0; x < gs; x++)
{
int index = ffd.GridIndex(x, y, z);
//Vector3 p = ffd.GetPoint(i); // + ffd.bcenter;
Vector3 lp = ffd.GetPoint(index);
Vector3 p = lp; //tm.MultiplyPoint(lp); //ffdi); // + ffd.bcenter;
Vector3 tp = tm.MultiplyPoint(p);
if (handles)
{
ttp = Handles.PositionHandle(tp, Quaternion.identity);
//pm = tm.inverse.MultiplyPoint(Handles.PositionHandle(tm.MultiplyPoint(p), Quaternion.identity));
//pm = PositionHandle(p, Quaternion.identity, handleSize, ffd.gizCol1.a);
}
else
{
ttp = Handles.FreeMoveHandle(tp, Quaternion.identity, ffd.KnotSize * 0.1f, Vector3.zero, Handles.CircleCap);
}
if (ttp != tp)
{
if (!snapshot)
{
MegaUndo.SetSnapshotTarget(ffd, "FFD Lattice Move");
snapshot = true;
}
}
pm = tm.inverse.MultiplyPoint(ttp);
Vector3 delta = pm - p;
//pm = lp + delta;
//ffd.SetPoint(x, y, z, pm);
pm -= ffd.bcenter;
p = Vector3.Scale(pm, osize);
p.x += 0.5f;
p.y += 0.5f;
p.z += 0.5f;
ffd.pt[index] = p;
if (mirrorX)
{
int y1 = y - (gs - 1);
if (y1 < 0)
{
y1 = -y1;
}
if (y != y1)
{
Vector3 p1 = ffd.GetPoint(ffd.GridIndex(x, y1, z)); // + ffd.bcenter;
delta.y = -delta.y;
p1 += delta;
p1 -= ffd.bcenter;
p = Vector3.Scale(p1, osize);
p.x += 0.5f;
p.y += 0.5f;
p.z += 0.5f;
ffd.pt[ffd.GridIndex(x, y1, z)] = p;
}
}
if (mirrorY)
{
int z1 = z - (gs - 1);
if (z1 < 0)
{
z1 = -z1;
}
if (z != z1)
{
Vector3 p1 = ffd.GetPoint(ffd.GridIndex(x, y, z1)); // + ffd.bcenter;
delta.z = -delta.z;
p1 += delta;
p1 -= ffd.bcenter;
p = Vector3.Scale(p1, osize);
p.x += 0.5f;
p.y += 0.5f;
p.z += 0.5f;
ffd.pt[ffd.GridIndex(x, y, z1)] = p;
}
}
if (mirrorZ)
{
int x1 = x - (gs - 1);
if (x1 < 0)
{
x1 = -x1;
}
if (x != x1)
{
Vector3 p1 = ffd.GetPoint(ffd.GridIndex(x1, y, z)); // + ffd.bcenter;
delta.x = -delta.x;
p1 += delta;
p1 -= ffd.bcenter;
p = Vector3.Scale(p1, osize);
p.x += 0.5f;
p.y += 0.5f;
p.z += 0.5f;
ffd.pt[ffd.GridIndex(x1, y, z)] = p;
}
}
}
}
}
Handles.matrix = Matrix4x4.identity;
if (GUI.changed && snapshot)
{
MegaUndo.CreateSnapshot();
MegaUndo.RegisterSnapshot();
}
MegaUndo.ClearSnapshotTarget();
}
}
}
