/// <summary>
/// Is this edge collinear with the other edge? Two edges are considered collinear if they
/// lie on a single straight line through space (gaps between them make no difference).
/// </summary>
/// <param name="other">Other edge that may be collinear.</param>
/// <returns><c>true</c> if both edges are collinear; otherwise, <c>false</c>.</returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown when <paramref name="other"/> is null.
/// </exception>
public bool Collinear(Edge other)
{
#if SABRE_CSG_DEBUG
if (other == null)
{
throw new ArgumentNullException("other");
}
#endif
return(EdgeUtility.EdgeMatches(this, other));
}
void OnToolbarGUI(int windowID)
{
GUILayout.Label("Vertex", SabreGUILayout.GetTitleStyle());
// Button should only be enabled if there are any vertices selected
GUI.enabled = selectedVertices.Count > 0;
if (GUILayout.Button("Connect", EditorStyles.miniButton))
{
if (selectedVertices != null)
{
// Cache selection
Dictionary <Brush, List <Vertex> > refinedSelections = new Dictionary <Brush, List <Vertex> >();
foreach (PrimitiveBrush brush in targetBrushes)
{
refinedSelections.Add(brush, SelectedVerticesOfBrush(brush));
}
ClearSelection();
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Connect Vertices");
Undo.RecordObject(brush, "Connect Vertices");
List <Edge> newEdges;
// Polygon[] newPolygons = VertexUtility.ConnectVertices(brush.GetPolygons(), refinedSelections[brush], out newEdge);
Polygon[] newPolygons = VertexUtility.ConnectVertices(brush.GetPolygons(), refinedSelections[brush], out newEdges);
if (newPolygons != null)
{
brush.SetPolygons(newPolygons);
for (int i = 0; i < newEdges.Count; i++)
{
SelectEdges(brush, newPolygons, newEdges[i]);
}
}
}
}
}
if (GUILayout.Button("Weld Selection To Mid-Point", EditorStyles.miniButton))
{
if (selectedVertices != null)
{
Dictionary <Brush, List <Vertex> > refinedSelections = new Dictionary <Brush, List <Vertex> >();
foreach (PrimitiveBrush brush in targetBrushes)
{
refinedSelections.Add(brush, SelectedVerticesOfBrush(brush));
}
ClearSelection();
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Weld Vertices");
Undo.RecordObject(brush, "Weld Vertices");
Polygon[] newPolygons = VertexUtility.WeldVerticesToCenter(brush.GetPolygons(), refinedSelections[brush]);
if (newPolygons != null)
{
brush.SetPolygons(newPolygons);
}
SelectVertices(brush, newPolygons, refinedSelections[brush]);
}
}
}
EditorGUILayout.BeginHorizontal();
weldTolerance = EditorGUILayout.FloatField(weldTolerance);
if (GUILayout.Button("Weld with Tolerance", EditorStyles.miniButton))
{
if (selectedVertices != null)
{
Dictionary <Brush, List <Vertex> > refinedSelections = new Dictionary <Brush, List <Vertex> >();
foreach (PrimitiveBrush brush in targetBrushes)
{
refinedSelections.Add(brush, SelectedVerticesOfBrush(brush));
}
ClearSelection();
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Weld Vertices");
Undo.RecordObject(brush, "Weld Vertices");
Polygon[] newPolygons = VertexUtility.WeldNearbyVertices(weldTolerance, brush.GetPolygons(), refinedSelections[brush]);
if (newPolygons != null)
{
brush.SetPolygons(newPolygons);
}
SelectVertices(brush, newPolygons, refinedSelections[brush]);
}
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Global Snap", EditorStyles.miniButton))
{
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Snap Vertices");
Undo.RecordObject(brush, "Snap Vertices");
}
SnapSelectedVertices(true);
}
if (GUILayout.Button("Local Snap", EditorStyles.miniButton))
{
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Snap Vertices");
Undo.RecordObject(brush, "Snap Vertices");
}
SnapSelectedVertices(false);
}
EditorGUILayout.EndHorizontal();
GUILayout.Label("Edge", SabreGUILayout.GetTitleStyle());
GUI.enabled = selectedEdges.Count > 0;
if (GUILayout.Button("Connect Mid-Points", EditorStyles.miniButton))
{
if (selectedEdges != null)
{
List <Edge> selectedEdgesCopy = new List <Edge>(selectedEdges);
ClearSelection();
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Connect Mid-Points");
Undo.RecordObject(brush, "Connect Mid-Points");
Polygon[] newPolygons;
List <Edge> newEdges;
if (EdgeUtility.SplitPolygonsByEdges(brush.GetPolygons(), selectedEdgesCopy, out newPolygons, out newEdges))
{
brush.SetPolygons(newPolygons);
for (int i = 0; i < newEdges.Count; i++)
{
SelectEdges(brush, newPolygons, newEdges[i]);
}
}
}
}
}
if (GUILayout.Button("Split", EditorStyles.miniButton))
{
if (selectedEdges != null)
{
List <KeyValuePair <Vertex, Brush> > newSelectedVertices = new List <KeyValuePair <Vertex, Brush> >();
foreach (PrimitiveBrush brush in targetBrushes)
{
Undo.RecordObject(brush.transform, "Split Edge");
Undo.RecordObject(brush, "Split Edge");
Polygon[] polygons = brush.GetPolygons();
for (int j = 0; j < selectedEdges.Count; j++)
{
// First check if this edge actually belongs to the brush
Brush parentBrush = selectedVertices[selectedEdges[j].Vertex1];
if (parentBrush == brush)
{
for (int i = 0; i < polygons.Length; i++)
{
Vertex newVertex;
if (EdgeUtility.SplitPolygonAtEdge(polygons[i], selectedEdges[j], out newVertex))
{
newSelectedVertices.Add(new KeyValuePair <Vertex, Brush>(newVertex, brush));
}
}
}
}
brush.Invalidate(true);
}
ClearSelection();
for (int i = 0; i < newSelectedVertices.Count; i++)
{
Brush brush = newSelectedVertices[i].Value;
Vertex vertex = newSelectedVertices[i].Key;
SelectVertices(brush, brush.GetPolygons(), new List <Vertex>()
{
vertex
});
}
}
}
}