/// <summary>
/// Reverses this entire spline.
/// </summary>
public void Reverse()
{
DraggablePoint oldStart = StartBulb;
DraggablePoint oldEnd = EndBulb;
// Remove connections
if (StartBulb)
{
StartBulb.RemoveSplineStart(this);
}
if (EndBulb)
{
EndBulb.RemoveSplineEnd(this);
}
// Reverse points and recreate everything
points.Reverse();
makeSegments();
createSpheres();
updateRenderPoints();
// Reconnect to bulbs, reversed
if (oldEnd)
{
spheres[1].AttachToBulb(oldEnd);
}
if (oldStart)
{
spheres[spheres.Count - 2].AttachToBulb(oldStart);
}
}
public void AttachToBulb(DraggablePoint bulb)
{
if (Type == PointType.Bulb)
{
return;
}
if (parentSpline.points.Count < 4)
{
return;
}
if (index == 1)
{
parentSpline.StartBulb = bulb;
splinesStart.Add(parentSpline);
}
else if (index == parentSpline.points.Count - 2)
{
parentSpline.EndBulb = bulb;
splinesEnd.Add(parentSpline);
}
else
{
return;
}
}
void createSpheres()
{
foreach (DraggablePoint p in spheres)
{
Destroy(p.gameObject);
}
spheres.Clear();
for (int i = 0; i < points.Count; i++)
{
GameObject obj = GameObject.CreatePrimitive(PrimitiveType.Sphere);
obj.name = "splineMarker" + i;
obj.transform.localScale = new Vector3(0.1f, 0.1f, 0.1f);
obj.transform.position = points[i];
obj.transform.parent = transform;
obj.AddComponent <SphereCollider>();
DraggablePoint draggable = obj.AddComponent <DraggablePoint>();
draggable.index = i;
draggable.parentSpline = this;
draggable.containingCanvas = containingCanvas;
draggable.Type = PointType.Spline;
spheres.Add(draggable);
}
if (spheres.Count >= 4)
{
spheres[0].gameObject.SetActive(false);
spheres[spheres.Count - 1].gameObject.SetActive(false);
}
}
public void FollowBulb(DraggablePoint bulb, Vector3 tangent)
{
float radius = bulb.radius;
Vector3 newPosition = bulb.transform.position + (radius * tangent);
Move(newPosition);
}
public void ReloadFromData(SplineCanvasData data)
{
// Clear everything
Reset();
bulbs.Clear();
foreach (BulbData bData in data.bulbs)
{
// Make bulbs at all the saved positions with the saved radii
DraggablePoint pt = AddBulb(bData.position.GetVector());
pt.SetSize(bData.radius);
pt.containingCanvas = this;
if (bData.type == PointType.Spline)
{
pt.SwitchBulbType(PointType.Bulb);
}
else
{
pt.SwitchBulbType(bData.type);
}
}
foreach (SplineData sData in data.splines)
{
// Convert the serialized vectors to Unity vectors
List <Vector3> posList = new List <Vector3>();
foreach (V3Serialize v3s in sData.points)
{
posList.Add(v3s.GetVector());
}
// Make a spline with the same control points
CatmullRomSpline spline = CatmullRomSpline.SplineOfPoints(posList);
AddExistingSpline(spline);
// Set the begin/end bulbs
if (sData.startBulb >= 0)
{
spline.StartBulb = bulbs[sData.startBulb];
}
if (sData.endBulb >= 0)
{
spline.EndBulb = bulbs[sData.endBulb];
}
}
}
/// <summary>
/// Add a new bulb to this canvas at the given location.
/// </summary>
/// <param name="pos">The position of the bulb.</param>
/// <returns></returns>
public DraggablePoint AddBulb(Vector3 pos)
{
GameObject bulbObj = GameObject.CreatePrimitive(PrimitiveType.Sphere);
bulbObj.transform.position = pos;
bulbObj.transform.parent = transform;
DraggablePoint point = bulbObj.AddComponent <DraggablePoint>();
point.Type = PointType.Bulb;
point.containingCanvas = this;
point.radius = 0.5f;
bulbs.Add(point);
bulbObj.name = "bulb" + bulbs.Count;
return(point);
}
// Update is called once per frame
void Update()
{
if (Input.GetButtonDown("ToggleMode"))
{
if (currentMode == DesignerMode.Shell)
{
currentMode = DesignerMode.Curve;
modeText.text = "Curve mode";
}
else if (currentMode == DesignerMode.Curve)
{
currentMode = DesignerMode.Curvature;
modeText.text = "Curvature mode";
}
else if (currentMode == DesignerMode.Curvature)
{
currentMode = DesignerMode.Shell;
modeText.text = "Shell mode";
}
}
RaycastHit hitInfo = new RaycastHit();
if (Input.GetMouseButtonDown(0) && RaycastShells(Input.mousePosition, out hitInfo))
{
TelescopeShell selection = hitInfo.collider.GetComponent <TelescopeShell>();
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (selection)
{
SelectShell(selection);
}
else if (draggablePt)
{
draggable = draggablePt;
selectedDepth = Camera.main.WorldToScreenPoint(draggablePt.transform.position).z;
}
}
else if (Input.GetKeyDown("r") && RaycastShells(Input.mousePosition, out hitInfo))
{
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (draggablePt && draggablePt.parentSpline)
{
Debug.Log("Reverse " + draggablePt.parentSpline.name);
draggablePt.parentSpline.Reverse();
}
}
else if (Input.GetKeyDown("j") && RaycastShells(Input.mousePosition, out hitInfo))
{
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (draggablePt)
{
if (draggablePt.Type == PointType.Bulb)
{
draggablePt.SwitchBulbType(PointType.EmptyJuncture);
}
else if (draggablePt.Type == PointType.EmptyJuncture)
{
draggablePt.SwitchBulbType(PointType.Bulb);
}
}
}
else if (Input.GetMouseButton(0) && draggable)
{
Vector3 clickPos = Input.mousePosition;
clickPos.z = selectedDepth;
Vector3 worldPos = Camera.main.ScreenToWorldPoint(clickPos);
DraggablePoint intersectedBulb = splineCanvas.IntersectedBulb(worldPos);
if (draggable.Type == PointType.Spline && draggable.IsEndPoint() && intersectedBulb)
{
draggable.AttachToBulb(intersectedBulb);
}
else
{
draggable.Move(worldPos);
}
}
else if (Input.GetMouseButtonDown(1) && RaycastShells(Input.mousePosition, out hitInfo))
{
Vector3 clickPos = Input.mousePosition;
DraggablePoint clicked = hitInfo.collider.GetComponent <DraggablePoint>();
if (clicked)
{
if (Input.GetKey("left ctrl"))
{
clicked.Delete();
}
else
{
clicked.Duplicate();
}
}
// Store the eye-space position of the click.
// Use eye space because we always want moving up/down to correspond
// to bigger or smaller, regardless of camera orientation.
lastMousePos = clickPos;
lastMousePos.z = selectedDepth;
lastMousePos = Camera.main.ScreenToViewportPoint(lastMousePos);
}
else if (Input.GetMouseButtonDown(2) && RaycastShells(Input.mousePosition, out hitInfo))
{
Vector3 clickPos = Input.mousePosition;
// Store the eye-space position of the click.
// Use eye space because we always want moving up/down to correspond
// to bigger or smaller, regardless of camera orientation.
lastMousePos = clickPos;
lastMousePos.z = selectedDepth;
lastMousePos = Camera.main.ScreenToViewportPoint(lastMousePos);
}
else if (Input.mouseScrollDelta.y != 0 && RaycastShells(Input.mousePosition, out hitInfo))
{
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (draggablePt)
{
float change = Input.mouseScrollDelta.y * 0.05f;
draggablePt.Resize(change);
}
}
else if (Input.GetKeyDown("delete") && RaycastShells(Input.mousePosition, out hitInfo))
{
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (draggablePt)
{
draggablePt.Delete();
}
}
else if (Input.GetKeyDown("b") && RaycastShells(Input.mousePosition, out hitInfo))
{
DraggablePoint draggablePt = hitInfo.collider.GetComponent <DraggablePoint>();
if (draggablePt)
{
draggablePt.ReplaceWithBulb();
}
}
else if (Input.GetMouseButtonUp(0) || Input.GetMouseButtonUp(2))
{
draggable = null;
}
else if (Input.GetButtonDown("Cancel"))
{
Deselect();
}
else if (Input.GetButtonDown("Submit"))
{
Debug.Log("submit");
}
shootTime += Time.deltaTime;
if (shootTime > shootDelay && Input.GetKey("z"))
{
ShootSphere();
}
}
public void InitFromPoint(DraggablePoint p)
{
transform.parent = p.transform.parent;
InitFromValues(p.transform.position, p.radius);
}
public void ReplaceWithBulb(int index)
{
// Do nothing if this is an endpoint -- we can only insert
// a bulb at an interior point.
if (index <= 1)
{
return;
}
if (index >= points.Count - 2)
{
return;
}
List <Vector3> beforePoints = new List <Vector3>();
List <Vector3> afterPoints = new List <Vector3>();
// We want to copy all of the points up to the split position,
// and make a new spline out of that.
for (int i = 0; i < index; i++)
{
beforePoints.Add(points[i]);
}
// Add the split position as the last point
beforePoints.Add(points[index]);
// Add the last tangent handle as a point farther down the spline
Vector3 middleBefore = sample(index + 0.5f);
beforePoints.Add(middleBefore);
// We also want to make a new spline of all the points
// starting after the split position.
// Add first tangent handle as coming before the split
Vector3 middleAfter = sample(index - 0.5f);
afterPoints.Add(middleAfter);
// Add the split position as the first point
afterPoints.Add(points[index]);
for (int i = index + 1; i < points.Count; i++)
{
afterPoints.Add(points[i]);
}
// Make the splines
CatmullRomSpline before = SplineOfPoints(beforePoints);
containingCanvas.AddExistingSpline(before);
CatmullRomSpline after = SplineOfPoints(afterPoints);
containingCanvas.AddExistingSpline(after);
// Connect splines to the bulb we just added
DraggablePoint bulb = containingCanvas.AddBulb(points[index]);
before.StartBulb = StartBulb;
before.EndBulb = bulb;
after.StartBulb = bulb;
after.EndBulb = EndBulb;
bulb.SetSize(0.1f);
// Delete the current spline that was split
containingCanvas.DeleteSpline(this);
Destroy(gameObject);
}
public BulbData(DraggablePoint bulb)
{
position = new V3Serialize(bulb.transform.position);
radius = bulb.radius;
type = bulb.Type;
}
/// <summary>
/// Remove the given bulb from this canvas.
/// </summary>
/// <param name="bulb"></param>
public void DeleteBulb(DraggablePoint bulb)
{
bulbs.Remove(bulb);
}
void DepthFirstSearch(int initial)
{
GetCanvas();
bool[] visited = new bool[heMesh.Vertices.Length];
int numVisited = 0;
foreach (bool b in visited)
{
if (b)
{
numVisited++;
}
}
Debug.Log("Initial " + numVisited + " / " + visited.Length);
Stack <IntPair> dfsStack = new Stack <IntPair>();
dfsStack.Push(new IntPair(initial, initial));
// Keep track of the current chain of points
List <int> currentPoints = null;
Dictionary <int, DraggablePoint> bulbDict = new Dictionary <int, DraggablePoint>();
DraggablePoint bulbAtStart = null;
while (dfsStack.Count > 0)
{
IntPair nextPair = dfsStack.Pop();
int next = nextPair.num;
if (visited[next])
{
continue;
}
HashSet <int> equivClass = uf.Find(next).MergedPoints;
// Mark this point and all points merged with it as visited
foreach (int p in equivClass)
{
visited[p] = true;
}
// Add all neighbors of this point to the list
// if they haven't been visited already
HashSet <int> neighbors = adjacency[next];
foreach (int neighbor in neighbors)
{
if (!visited[neighbor])
{
dfsStack.Push(new IntPair(neighbor, next));
}
}
// If this is the first point, start a new line segment.
if (currentPoints == null)
{
Vector3 pos = transform.rotation * mesh.vertices[next] + transform.position;
bulbAtStart = outputCanvas.AddBulb(pos);
//bulbAtStart.SetSize(FitSphere(mesh.vertices[next]));
bulbAtStart.SetSize(0.1f);
bulbDict.Add(next, bulbAtStart);
currentPoints = new List <int>();
currentPoints.Add(next);
}
// If this point has degree 2 (i.e. is a part of a straight line segment)
// then just continue the current segment.
else if (neighbors.Count == 2)
{
currentPoints.Add(next);
}
// If this point has degree 1, then we just end the current segment.
else if (neighbors.Count == 1)
{
currentPoints.Add(next);
// Can filter out single dead-ends to try to remove noise
//if (currentPoints.Count > 2)
CatmullRomSpline spline = AddLine(currentPoints);
spline.StartBulb = bulbAtStart;
// Start a new segment at the predecessor of the most recent branch point.
currentPoints = new List <int>();
if (dfsStack.Count > 0)
{
currentPoints.Add(dfsStack.Peek().predecessor);
DraggablePoint bulb;
if (bulbDict.TryGetValue(dfsStack.Peek().predecessor, out bulb))
{
bulbAtStart = bulb;
}
else
{
bulbAtStart = null;
}
}
}
// If the point has degree greater than 2, then it is a branch, and we
// start a new segment at the current point.
else
{
Vector3 pos = transform.rotation * mesh.vertices[next] + transform.position;
DraggablePoint bulb = outputCanvas.AddBulb(pos);
//bulb.SetSize(FitSphere(mesh.vertices[next]));
bulb.SetSize(0.1f);
bulbDict.Add(next, bulb);
currentPoints.Add(next);
CatmullRomSpline spline = AddLine(currentPoints);
spline.EndBulb = bulb;
spline.StartBulb = bulbAtStart;
// New segments should start at the bulb we just inserted.
bulbAtStart = bulb;
currentPoints = new List <int>();
currentPoints.Add(next);
}
}
numVisited = 0;
foreach (bool b in visited)
{
if (b)
{
numVisited++;
}
}
Debug.Log("Visited " + numVisited + " / " + visited.Length);
}