void OnSceneGUI()
{
if (!plotter)
{
return;
}
plotter.InitEditing();
if (plotter.CurrentAction == HairyPlotterActions.None)
{
plotter.SetTriangleHover(HoverTriangle());
if (plotter.ToggleSelected(PickTriangle()))
{
Repaint();
}
if (plotter.HoveredTriangle != null)
{
SceneView.lastActiveSceneView.Repaint();
}
}
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 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();
}