public MeshMakerTriangle(int id, ref MeshMakerVertex vertex1, ref MeshMakerVertex vertex2, ref MeshMakerVertex vertex3)
{
ID = id;
Vertex1 = vertex1;
Vertex2 = vertex2;
Vertex3 = vertex3;
RefreshEdge();
}
/// <summary>
/// 为所有面执行移除操作，条件是该面包含顶点vertex
/// </summary>
public static void RemoveByVertex(this List <MeshMakerTriangle> triangles, MeshMakerVertex vertex)
{
for (int i = 0; i < triangles.Count; i++)
{
if (triangles[i].Vertex1 == vertex || triangles[i].Vertex2 == vertex || triangles[i].Vertex3 == vertex)
{
triangles.RemoveAt(i);
i--;
}
}
}
/// <summary>
/// 判断vertex1和vertex2是否相连，也就是判断是否存在于同一面中
/// </summary>
public static bool IsConnected(this List <MeshMakerTriangle> triangles, MeshMakerVertex vertex1, MeshMakerVertex vertex2)
{
for (int i = 0; i < triangles.Count; i++)
{
if ((triangles[i].Vertex1 == vertex1 || triangles[i].Vertex2 == vertex1 || triangles[i].Vertex3 == vertex1) &&
(triangles[i].Vertex1 == vertex2 || triangles[i].Vertex2 == vertex2 || triangles[i].Vertex3 == vertex2))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 清空鼠标当前选中的目标
/// </summary>
private void ClearCheckedTarget()
{
if (_currentCheckedTriangle != null)
{
_currentCheckedTriangle = null;
}
if (_currentCheckedEdge != null)
{
_currentCheckedEdge = null;
}
if (_currentCheckedVertex != null)
{
_currentCheckedVertex = null;
}
}
/// <summary>
/// 截获鼠标当前选中的目标
/// </summary>
private void CaptureCheckedTarget()
{
if (!_secondaryHandle && 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)
{
_currentCheckedTriangle = _meshMaker.Triangles[hit.triangleIndex];
}
else
{
ClearCheckedTarget();
}
}
else
{
ClearCheckedTarget();
}
if (_currentCheckedTriangle != null)
{
switch (_currentEditMode)
{
case EditMode.Vertex:
_currentCheckedVertex = _currentCheckedTriangle.GetVertexByClick(hit.point);
break;
case EditMode.Edge:
_currentCheckedEdge = _currentCheckedTriangle.GetEdgeByClick(hit.point);
SetEditEdge();
break;
case EditMode.Face:
SetEditTriangle();
break;
}
}
}
Selection.activeObject = _meshMaker.gameObject;
ShowCheckedTarget();
}
/// <summary>
/// 为所有面执行替换操作，将旧的顶点oldVertex替换为新的顶点newVertex
/// </summary>
public static void ReplaceVertex(this List <MeshMakerTriangle> triangles, MeshMakerVertex oldVertex, MeshMakerVertex newVertex)
{
for (int i = 0; i < triangles.Count; i++)
{
if (triangles[i].Vertex1 == oldVertex)
{
triangles[i].Vertex1 = newVertex;
triangles[i].RefreshEdge();
}
else if (triangles[i].Vertex2 == oldVertex)
{
triangles[i].Vertex2 = newVertex;
triangles[i].RefreshEdge();
}
else if (triangles[i].Vertex3 == oldVertex)
{
triangles[i].Vertex3 = newVertex;
triangles[i].RefreshEdge();
}
}
}
public MeshMakerEdge(ref MeshMakerVertex vertex1, ref MeshMakerVertex vertex2)
{
Vertex1 = vertex1;
Vertex2 = vertex2;
}
/// <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
}
}
private void Init()
{
_meshMaker = target as MeshMaker;
if (_meshMaker == null || EditorApplication.isPlaying)
{
return;
}
TransformChange(_meshMaker);
_currentHoverTriangle = null;
_currentCheckedTriangle = null;
_currentCheckedVertex = null;
_currentCheckedEdge = null;
_currentHandleTool = HandleTool.None;
_currentEditMode = EditMode.Vertex;
_currentEditTriangle = new GameObject("Triangle");
_currentEditTriangle.transform.SetParent(_meshMaker.Target.transform);
_currentEditTriangle.hideFlags = HideFlags.HideInHierarchy;
_currentEditTriangleVertex1 = new GameObject("Vertex1");
_currentEditTriangleVertex1.transform.SetParent(_currentEditTriangle.transform);
_currentEditTriangleVertex1.hideFlags = HideFlags.HideInHierarchy;
_currentEditTriangleVertex2 = new GameObject("Vertex2");
_currentEditTriangleVertex2.transform.SetParent(_currentEditTriangle.transform);
_currentEditTriangleVertex2.hideFlags = HideFlags.HideInHierarchy;
_currentEditTriangleVertex3 = new GameObject("Vertex3");
_currentEditTriangleVertex3.transform.SetParent(_currentEditTriangle.transform);
_currentEditTriangleVertex3.hideFlags = HideFlags.HideInHierarchy;
_currentEditEdge = new GameObject("Edge");
_currentEditEdge.transform.SetParent(_meshMaker.Target.transform);
_currentEditEdge.hideFlags = HideFlags.HideInHierarchy;
_currentEditEdgeVertex1 = new GameObject("Vertex1");
_currentEditEdgeVertex1.transform.SetParent(_currentEditEdge.transform);
_currentEditEdgeVertex1.hideFlags = HideFlags.HideInHierarchy;
_currentEditEdgeVertex2 = new GameObject("Vertex2");
_currentEditEdgeVertex2.transform.SetParent(_currentEditEdge.transform);
_currentEditEdgeVertex2.hideFlags = HideFlags.HideInHierarchy;
if (_vertexButtonContent == null)
{
Texture2D t2d = AssetDatabase.LoadAssetAtPath("Assets/ComDevelop/MeshEditor/MeshMaker/Editor/Texture/Vertex.png", typeof(Texture2D)) as Texture2D;
_vertexButtonContent = new GUIContent("", t2d, "Vertex Edit Mode");
}
if (_edgeButtonContent == null)
{
Texture2D t2d = AssetDatabase.LoadAssetAtPath("Assets/ComDevelop/MeshEditor/MeshMaker/Editor/Texture/Edge.png", typeof(Texture2D)) as Texture2D;
_edgeButtonContent = new GUIContent("", t2d, "Edge Edit Mode");
}
if (_faceButtonContent == null)
{
Texture2D t2d = AssetDatabase.LoadAssetAtPath("Assets/ComDevelop/MeshEditor/MeshMaker/Editor/Texture/Face.png", typeof(Texture2D)) as Texture2D;
_faceButtonContent = new GUIContent("", t2d, "Face Edit Mode");
}
if (_noneButtonContent == null)
{
Texture2D t2d = AssetDatabase.LoadAssetAtPath("Assets/ComDevelop/MeshEditor/MeshMaker/Editor/Texture/None.png", typeof(Texture2D)) as Texture2D;
_noneButtonContent = new GUIContent("", t2d, "None Edit Mode");
}
_secondaryHandle = false;
_secondaryHandleMode = SecondaryHandleMode.None;
_sceneCamera = SceneView.lastActiveSceneView.camera;
Undo.undoRedoPerformed += OnRecord;
}
/// <summary>
/// 为所有面执行分割操作，条件是该面包含顶点vertex1和vertex2，并以新的顶点newVertex作为分割之后的顶点
/// </summary>
public static void SegmentationTriangle(this List <MeshMakerTriangle> triangles, MeshMakerVertex vertex1, MeshMakerVertex vertex2, MeshMakerVertex newVertex)
{
List <MeshMakerTriangle> newTriangles = new List <MeshMakerTriangle>();
for (int i = 0; i < triangles.Count; i++)
{
if ((triangles[i].Vertex1 == vertex1 || triangles[i].Vertex1 == vertex2) && (triangles[i].Vertex2 == vertex1 || triangles[i].Vertex2 == vertex2))
{
MeshMakerTriangle mmt1 = new MeshMakerTriangle(0, ref triangles[i].Vertex1, ref newVertex, ref triangles[i].Vertex3);
MeshMakerTriangle mmt2 = new MeshMakerTriangle(0, ref newVertex, ref triangles[i].Vertex2, ref triangles[i].Vertex3);
triangles.RemoveAt(i);
newTriangles.Add(mmt1);
newTriangles.Add(mmt2);
i--;
}
else if ((triangles[i].Vertex2 == vertex1 || triangles[i].Vertex2 == vertex2) && (triangles[i].Vertex3 == vertex1 || triangles[i].Vertex3 == vertex2))
{
MeshMakerTriangle mmt1 = new MeshMakerTriangle(0, ref triangles[i].Vertex1, ref triangles[i].Vertex2, ref newVertex);
MeshMakerTriangle mmt2 = new MeshMakerTriangle(0, ref triangles[i].Vertex1, ref newVertex, ref triangles[i].Vertex3);
triangles.RemoveAt(i);
newTriangles.Add(mmt1);
newTriangles.Add(mmt2);
i--;
}
else if ((triangles[i].Vertex1 == vertex1 || triangles[i].Vertex1 == vertex2) && (triangles[i].Vertex3 == vertex1 || triangles[i].Vertex3 == vertex2))
{
MeshMakerTriangle mmt1 = new MeshMakerTriangle(0, ref triangles[i].Vertex1, ref triangles[i].Vertex2, ref newVertex);
MeshMakerTriangle mmt2 = new MeshMakerTriangle(0, ref newVertex, ref triangles[i].Vertex2, ref triangles[i].Vertex3);
triangles.RemoveAt(i);
newTriangles.Add(mmt1);
newTriangles.Add(mmt2);
i--;
}
}
triangles.AddRange(newTriangles);
}