void OnSceneGUI()
{
List <Vector2> lis = new List <Vector2>(model.points);
for (int i = 0; i < model.points.Count; i++)
{
model.points[i] = model.transform.InverseTransformPoint(Handles.PositionHandle(
model.transform.TransformPoint(model.points[i]),
Quaternion.identity
));
}
model.UpdateMesh();
}
void OnSceneGUI()
{
// input
Event e = Event.current;
Vector2 pos = model.TfInvPnt(HandleUtility.GUIPointToWorldRay(e.mousePosition).origin);
// select index segment
int selIdx = -1, selSeg = -1;
for (int i = 0; i < model.points.Count; i++)
{
if (V3.Dis(model.points[i], pos) < 0.1f)
{
selIdx = i;
}
if (i == 0 && HandleUtility.DistancePointLine(pos, model.points[i], V2.X(model.points[i], 0)) < 0.1f)
{
selSeg = 0;
}
if (i >= 1 && HandleUtility.DistancePointLine(pos, model.points[i - 1], model.points[i]) < 0.1f)
{
selSeg = i;
}
}
// add point
if (e.type == EventType.MouseDown && e.button == 0 && e.shift)
{
model.points.Insert(selSeg >= 0 ? selSeg : model.points.Count, pos);
}
// delete point
if (e.type == EventType.MouseDown && e.button == 1 && selIdx >= 0)
{
model.points.RemoveAt(selIdx);
}
// draw
Handles.color = Col.red;
for (int i = 0; i < model.points.Count; i++)
{
model.points[i] = model.TfInvPnt(
Handles.FreeMoveHandle(
model.TfInvPnt(model.points[i]),
Q.O, 0.1f, V3.O, Handles.CylinderHandleCap
)
);
}
model.UpdateMesh();
}