void OnSceneGUI()
{
if (!plotter)
{
return;
}
plotter.InitEditing();
if (plotter.CurrentAction == HairyPlotterActions.None)
{
// don't hover triangle when moving vertices
if (allowMoveVerts)
{
plotter.SetTriangleHover(null);
}
else
{
plotter.SetTriangleHover(HoverTriangle());
}
if (plotter.ToggleSelected(PickTriangle()) && !allowMoveVerts)
{
Repaint();
}
if (plotter.HoveredTriangle != null)
{
SceneView.lastActiveSceneView.Repaint();
}
// detect if dragging a single vertex or selected vertices and update position/s according mouse position
if (Event.current.button == 0)
{
KeyCode _keyCode = Event.current.keyCode;
EventType _type = Event.current.type;
if (_type == EventType.MouseDown)
{
// pick selected vertices?
if (_keyCode == KeyCode.LeftShift || _keyCode == KeyCode.RightShift)
{
// use plotter.SelectedVertices
}
// or pick single vertex
else
{
hoveredVertex = PickVertex();
}
// set flag for allow moving vertices
allowMoveVerts = true;
}
// on mouse up finish the edition
else if (_type == EventType.MouseUp)
{
allowMoveVerts = false;
hoveredVertex = null;
}
// while dragging mouse update vertex position
else if (_type == EventType.MouseDrag && allowMoveVerts)
{
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
Transform t = plotter.transform; // this for position gizmo vertices and triangles according parent game object world coordinates
Vector2 p = t.InverseTransformPoint(r.origin); // use inverse trasnform because then we transform again for displaying
// moving selected vertices?
if (_keyCode == KeyCode.LeftShift || _keyCode == KeyCode.RightShift)
{
for (int i = 0, c = plotter.SelectedVertices.Count; i < c; ++i)
{
plotter.SelectedVertices[i].Position.x = p.x;
plotter.SelectedVertices[i].Position.y = p.y;
if (HairyPlotterEditor.KeepUVOnVertsMove)
{
plotter.SelectedVertices[i].Uv.x = 0.5f + p.x;
plotter.SelectedVertices[i].Uv.y = 0.5f + p.y;
}
}
}
// or single vertex?
else if (hoveredVertex != null)
{
hoveredVertex.Position.x = p.x;
hoveredVertex.Position.y = p.y;
if (HairyPlotterEditor.KeepUVOnVertsMove)
{
hoveredVertex.Uv.x = 0.5f + p.x;
hoveredVertex.Uv.y = 0.5f + p.y;
}
}
plotter.Dirty = true;
plotter.ResetSelectionPosition();
}
}
}
if (plotter.CurrentAction == HairyPlotterActions.TriangleSwitch)
{
HairyPlotterTriangle triangle = PickTriangle();
if (triangle != null)
{
List <HairyPlotterVertex> vertices = plotter.SelectedVertices;
if (vertices.Count == 2)
{
triangle.SwitchVertices(vertices[0], vertices[1]);
plotter.ClearVertexSelection();
}
else
{
Debug.LogWarning("Switch In Triangle requires exactly two selected vertices");
}
}
}
DrawTriangles();
}
void VertexSelectionToolbox()
{
if (plotter.VertexSelectionCount > 0)
{
GUI.color = VertexSelectionToolbarColor;
EditorGUILayout.LabelField("Vertex Selection", EditorStyles.boldLabel);
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Clear", EditorStyles.miniButton))
{
plotter.ClearVertexSelection();
SceneView.lastActiveSceneView.Repaint();
}
if (GUILayout.Button("Duplicate And Select", EditorStyles.miniButton))
{
// Copy current selection
HashSet <HairyPlotterVertex> prevSelection = new HashSet <HairyPlotterVertex>(plotter.SelectedVertices);
// Clear current selection
plotter.ClearVertexSelection();
// Duplicate each
foreach (HairyPlotterVertex v in prevSelection)
{
plotter.AddSelection(plotter.CreateVertex(v.Position, v.Uv));
}
}
GUI.color = plotter.CurrentAction == HairyPlotterActions.TriangleSwitch ? ActiveUvEditorColor : VertexSelectionToolbarColor;
if (GUILayout.Button("Switch In Triangle", EditorStyles.miniButton))
{
if (plotter.CurrentAction == HairyPlotterActions.TriangleSwitch)
{
plotter.CurrentAction = HairyPlotterActions.None;
}
else
{
if (plotter.SelectedVertices.Count == 2)
{
plotter.CurrentAction = HairyPlotterActions.TriangleSwitch;
}
else
{
Debug.LogWarning("Switch In Triangle requires exactly two selected vertices");
}
}
}
GUI.color = VertexSelectionToolbarColor;
if (plotter.CurrentAction == HairyPlotterActions.VertexDelete)
{
if (GUILayout.Button("Yes!", EditorStyles.miniButton))
{
plotter.CurrentAction = HairyPlotterActions.None;
foreach (HairyPlotterVertex vertex in plotter.SelectedVertices)
{
plotter.DestroyVertex(vertex);
}
}
if (GUILayout.Button("No!", EditorStyles.miniButton))
{
plotter.CurrentAction = HairyPlotterActions.None;
}
}
else
{
if (GUILayout.Button("Delete Selected", EditorStyles.miniButton))
{
plotter.CurrentAction = HairyPlotterActions.VertexDelete;
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
GUILayout.Label("All");
plotter.SelectionPosition = EditVector3(plotter.SelectionPosition);
EditorGUILayout.EndHorizontal();
if (plotter.SelectionPosition.x != float.MaxValue)
{
plotter.ToEachSelection(v => v.Position.x = plotter.SelectionPosition.x);
}
if (plotter.SelectionPosition.y != float.MaxValue)
{
plotter.ToEachSelection(v => v.Position.y = plotter.SelectionPosition.y);
}
if (plotter.SelectionPosition.z != float.MaxValue)
{
plotter.ToEachSelection(v => v.Position.z = plotter.SelectionPosition.z);
}
}
List <HairyPlotterVertex> selectedVertices = plotter.SelectedVertices;
foreach (HairyPlotterVertex vertex in selectedVertices)
{
EditorGUILayout.BeginHorizontal();
// Vertex index
GUILayout.Label("#" + vertex.Index);
// Lets us deselect a specific vertex
if (GUILayout.Button("Deselect", EditorStyles.miniButton))
{
plotter.RemoveSelection(vertex);
}
// Edit XYZ of vertex
Vector3 pos = EditVector3(vertex.Position);
// When editing UVs allow switching
if (selectedVertices.Count > 1 && plotter.CurrentAction == HairyPlotterActions.VertexUvEdit)
{
if (GUILayout.Button("Edit UVs"))
{
plotter.SetUvEditVertex(vertex);
}
}
EditorGUILayout.EndHorizontal();
// If position was updated
if (pos != vertex.Position)
{
vertex.Position = pos;
plotter.Dirty = true;
plotter.ResetSelectionPosition();
}
}
GUI.color = Color.white;
}
