/// <summary>
/// 高级编辑模式
/// </summary>
private void SecondaryHandle()
{
if (_secondaryHandle)
{
#region 顶点模式
if (_currentEditMode == EditMode.Vertex && _currentCheckedVertex != null)
{
switch (_secondaryHandleMode)
{
case SecondaryHandleMode.Delete:
_meshMaker.Vertexs.Remove(_currentCheckedVertex);
_meshMaker.Vertexs.RefreshID();
_meshMaker.Triangles.RemoveByVertex(_currentCheckedVertex);
_meshMaker.Triangles.RefreshID();
_meshMaker.GenerateMesh();
_currentCheckedVertex = null;
StopSecondaryHandle();
break;
case SecondaryHandleMode.Welding:
Vector3 wv = _meshMaker.ScreenToWorldPointInScene(_sceneCamera, Event.current.mousePosition, _currentCheckedVertex.Vertex);
Handles.DrawDottedLine(_currentCheckedVertex.Vertex, wv, 0.2f);
Handles.Label(wv, " 请选择焊接目标");
if (Event.current.button == 1 && Event.current.isMouse && Event.current.type == EventType.MouseDown)
{
RaycastHit hit;
if (Physics.Raycast(HandleUtility.GUIPointToWorldRay(Event.current.mousePosition), out hit))
{
if (hit.triangleIndex >= 0 && hit.triangleIndex < _meshMaker.Triangles.Count)
{
MeshMakerVertex mmv = _meshMaker.Triangles[hit.triangleIndex].GetVertexByClick(hit.point);
if (mmv != _currentCheckedVertex)
{
_meshMaker.Vertexs.Remove(_currentCheckedVertex);
_meshMaker.Vertexs.RefreshID();
_meshMaker.Triangles.RemoveByVertexs(_currentCheckedVertex, mmv);
_meshMaker.Triangles.ReplaceVertex(_currentCheckedVertex, mmv);
_meshMaker.Triangles.RefreshID();
_meshMaker.GenerateMesh();
_currentCheckedVertex = null;
}
}
}
StopSecondaryHandle();
}
break;
case SecondaryHandleMode.Clone:
Vector3 cv = _meshMaker.ScreenToWorldPointInScene(_sceneCamera, Event.current.mousePosition, _currentCheckedVertex.Vertex);
Handles.DrawDottedLine(_currentCheckedVertex.Vertex, cv, 0.2f);
Handles.Label(cv, " 请选择参照目标");
if (Event.current.button == 1 && Event.current.isMouse && Event.current.type == EventType.MouseDown)
{
RaycastHit hit;
if (Physics.Raycast(HandleUtility.GUIPointToWorldRay(Event.current.mousePosition), out hit))
{
if (hit.triangleIndex >= 0 && hit.triangleIndex < _meshMaker.Triangles.Count)
{
MeshMakerVertex mmv = _meshMaker.Triangles[hit.triangleIndex].GetVertexByClick(hit.point);
if (mmv != _currentCheckedVertex && _meshMaker.Triangles.IsConnected(_currentCheckedVertex, mmv))
{
Vector3 vertex = Vector3.Lerp(_currentCheckedVertex.Vertex, mmv.Vertex, 0.5f);
Vector2 uv = Vector2.Lerp(_currentCheckedVertex.UV, mmv.UV, 0.5f);
MeshMakerVertex newMmv = new MeshMakerVertex(0, vertex, uv, _currentCheckedVertex.Normal, new List <int>());
_meshMaker.Vertexs.Add(newMmv);
_meshMaker.Vertexs.RefreshID();
_meshMaker.Triangles.SegmentationTriangle(mmv, _currentCheckedVertex, newMmv);
_meshMaker.Triangles.RefreshID();
_meshMaker.GenerateMesh();
_currentCheckedVertex = null;
}
}
}
StopSecondaryHandle();
}
break;
}
}
#endregion
}
}
