internal NodeObject MakeNode(string label, Vector3 position, Color color)
{
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
sphere.transform.position = position;
sphere.transform.localScale = Vector3.one * (float)System.Math.Max(0.1, nodeScale) * this.modelScale;
MeshRenderer renderer = sphere.GetComponent <MeshRenderer>();
renderer.material.color = color;
Rigidbody body = sphere.AddComponent <Rigidbody>();
body.mass = 0.05F;
body.angularDrag = 0.05f;
body.useGravity = false; // turn off gravity
body.drag = 0.8f;
SphereCollider collider = sphere.GetComponent <SphereCollider>();
collider.material.bounciness = 1.0F;
sphere.AddComponent <NVRCollisionSoundObject>();
NVRInteractableItem interactable = sphere.AddComponent <NVRInteractableItem>();
interactable.CanAttach = true;
interactable.DisableKinematicOnAttach = true;
interactable.EnableKinematicOnDetach = false;
interactable.EnableGravityOnDetach = false;
NodeObject node = sphere.AddComponent <NodeObject>();
node.label = label;
return(node);
}
public Model(string name, float scale, List <LabelAction> labelActions, NodeObject[] nodeObjects, EdgeObject[] edgeObjects)
{
this.name = name;
this.scale = scale;
this.labels = new Label[labelActions.Count];
this.nodes = new Node[nodeObjects.Length];
this.edges = new Edge[edgeObjects.Length];
for (int i = 0; i < labels.Length; i++)
{
this.labels[i] = new Label(i, labelActions[i]);
this.knownLabels[labelActions[i].name] = this.labels[i];
}
for (int i = 0; i < nodes.Length; i++)
{
NodeObject obj = nodeObjects[i];
Label label = (obj.label != null && knownLabels.ContainsKey(obj.label)) ? knownLabels[obj.label] : null;
int labelId = (label == null) ? FindLabelIdByColor(labels, nodeObjects[i]) : label.labelId;
this.nodes[i] = new Node(i, labelId, nodeObjects[i]);
this.knownNodes[nodeObjects[i]] = this.nodes[i];
}
for (int i = 0; i < edges.Length; i++)
{
Node startNode = knownNodes[edgeObjects[i].startNode];
Node endNode = knownNodes[edgeObjects[i].endNode];
this.edges[i] = new Edge(startNode.nodeId, endNode.nodeId);
}
}
internal EdgeObject MakeConnection(NodeObject first, NodeObject second)
{
Debug.Log("Making connection from " + first + " to " + second);
GameObject connection = GameObject.CreatePrimitive(PrimitiveType.Cube);
DestroyColliders(connection);
MeshRenderer renderer = connection.GetComponent <MeshRenderer>();
renderer.material.color = Color.gray;
connection.transform.localScale = Vector3.one * edgeScale; // make very small at first
EdgeObject edge = connection.AddComponent <EdgeObject>();
edge.floatingSpheres = this;
edge.startNode = first;
edge.endNode = second;
edge.scale = edgeScale;
edge.UpdateConnection();
first.AddEdge(edge);
second.AddEdge(edge);
if (edges != null)
{
connection.transform.parent = edges.transform;
}
return(edge);
}
public void TriggerPressed(InteractorFacade hand)
{
if (this.createMode)
{
NodeObject grabbedNode = GrabbedNode(hand);
NodeObject otherGrabbedNode = OtherGrabbedNode(hand);
if (grabbedNode != null && otherGrabbedNode != null)
{
MakeConnection(grabbedNode, otherGrabbedNode);
}
else
{
NodeObject node = TriggerCreate(head.transform, WhichHand(hand).transform);
if (grabbedNode != null)
{
MakeConnection(grabbedNode, node);
}
if (otherGrabbedNode != null)
{
MakeConnection(otherGrabbedNode, node);
}
}
}
else if (hovering != null)
{
hovering.Detach();
Destroy(hovering.gameObject, 0.1f);
hovering = null;
}
}
private void PullNode(NodeObject sphere, float factor, NodeObject parent)
{
Rigidbody rigid = sphere.GetComponent <Rigidbody>();
if (rigid == null)
{
Debug.LogError("Sphere has no rigidbody, cannot pull it: " + sphere);
}
else
{
Vector3 move = (rightController.transform.position - sphere.transform.position) * factor;
Debug.Log("Pulling node by " + move);
rigid.velocity = rigid.velocity + move;
if (factor > 0.1)
{
foreach (NodeObject other in sphere.OtherNodes())
{
if (other != parent)
{
PullNode(other, factor / 2f, sphere);
}
}
}
}
}
private void NormalizeNode(NodeObject node)
{
if (node != null && previousColor != null)
{
MeshRenderer renderer = node.GetComponentInChildren <MeshRenderer>();
renderer.material.color = previousColor;
}
}
public virtual void PointerExited(TransformData destination)
{
if (hovering != null)
{
Debug.Log("Exiting hovering of node: " + hovering);
NormalizeNode(hovering);
hovering = null;
}
}
internal EdgeObject FindEdge(NodeObject other)
{
EdgeObject edge = FindEdge(other, this, incoming);
if (edge == null)
{
edge = FindEdge(this, other, outgoing);
}
return(edge);
}
private void HighlightNode(NodeObject node)
{
if (node != null)
{
MeshRenderer renderer = node.GetComponentInChildren <MeshRenderer>();
previousColor = renderer.material.color;
Color color = renderer.material.color;
color.a = 0.5f;
color.b = 1f;
color.g = 1f;
renderer.material.color = color;
}
}
private EdgeObject FindEdge(NodeObject first, NodeObject second, HashSet <EdgeObject> edges)
{
HashSet <EdgeObject> .Enumerator edge = edges.GetEnumerator();
while (edge.MoveNext())
{
EdgeObject current = edge.Current;
if (current.endNode == second && current.startNode == first)
{
return(current);
}
}
return(null);
}
private NodeObject GrabbedNode(InteractorFacade hand)
{
foreach (GameObject obj in hand.GrabbedObjects)
{
Debug.Log("Trigger pressed while object is grabbed: " + obj);
NodeObject grabbedNode = obj.GetComponent <NodeObject>();
if (grabbedNode != null)
{
return(grabbedNode);
}
}
return(null);
}
public virtual void PointerEntered(TransformData destination)
{
if (hovering != null)
{
PointerExited(destination);
}
Debug.Log("Searching for hovering sphere at: " + destination.Position);
hovering = FindNodeAt(destination);
if (hovering != null)
{
Debug.Log("Entering hovering of node: " + hovering);
HighlightNode(hovering);
}
}
public NodeObject MakeOne(float x, float y, float z)
{
NodeObject node = MakeNode("unknown", new Vector3(x, y, z), GetColor());
if (selectLabels != null)
{
LabelAction selectedLabel = selectLabels.GetSelectedLabelAction();
if (selectedLabel != null)
{
node.label = selectedLabel.name;
}
}
//DebugSphere(node, "Created");
return(node);
}
public virtual void Selected(TransformData destination)
{
DateTime now = System.DateTime.Now;
if (now - lastSelectionTime > TimeSpan.FromSeconds(0.2))
{
lastSelectionTime = now;
Debug.Log("Searching for selected sphere at: " + destination.Position);
pulling = null;
NodeObject node = FindNodeAt(destination);
if (node != null)
{
PullNode(node, 0.5f, null);
}
}
}
private int FindLabelIdByColor(Label[] labels, NodeObject nodeObject)
{
MeshRenderer renderer = nodeObject.GetComponent <MeshRenderer>();
Color color = renderer.material.color;
Debug.Log("Searching for label by color: " + color);
foreach (Label label in labels)
{
if (label.color.Equals(color))
{
Debug.Log("Found label: " + label);
return(label.labelId);
}
}
Debug.Log("Found no label matching color: " + color);
return(-1);
}
internal void ImportModel(string name)
{
Debug.Log("Importing model: " + name);
ClearModel();
string filename = ModelFileName(directory, name);
Debug.Log("Importing model from: " + filename);
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Model));
System.IO.FileStream file = System.IO.File.Open(filename, System.IO.FileMode.Open);
Model model = (Model)ser.ReadObject(file);
file.Close();
floatingSpheres.modelScale = model.scale;
Dictionary <Node, NodeObject> nodes = new Dictionary <Node, NodeObject>();
foreach (Label label in model.labels)
{
floatingSpheres.selectLabels.AddLabel(label.labelId, label.name, label.color);
}
foreach (Node node in model.nodes)
{
string labelName = null;
Color color = UnityEngine.Random.ColorHSV();
if (node.labelId >= 0 && node.labelId < model.labels.Length)
{
Label label = model.labels[node.labelId];
labelName = label.name;
color = label.color;
}
NodeObject nodeObject = floatingSpheres.MakeNode(labelName, node.position, color);
nodes[node] = nodeObject;
}
foreach (Edge edge in model.edges)
{
Node startNode = model.nodes[edge.startNode];
Node endNode = model.nodes[edge.endNode];
floatingSpheres.MakeConnection(nodes[startNode], nodes[endNode]);
}
}
private void UpdateNodePositions(NodeObject startNode, NodeObject endNode)
{
Vector3 startPoint = startNode.gameObject.transform.position;
Vector3 endPoint = endNode.gameObject.transform.position;
Vector3 offset = endPoint - startPoint;
float length = offset.magnitude;
if (length > maxLength)
{
//Debug.LogError("Node gap too large: " + length);
}
else
{
float shiftBy = (length - targetLength * floatingSpheres.modelScale) * 0.05f;
if (System.Math.Abs(shiftBy) > 0.001d)
{
Vector3 shift = new Vector3(offset.x * shiftBy, offset.y * shiftBy, offset.z * shiftBy);
startNode.gameObject.transform.position = startPoint + shift;
endNode.gameObject.transform.position = endPoint - shift;
}
}
}
internal NodeObject MakeNode(string label, Vector3 position, Color color)
{
Debug.Log("Making a sphere from the template: " + template);
GameObject sphere = Instantiate(template.gameObject);
sphere.transform.parent = this.spheres.transform;
sphere.name = "Node " + spheres.transform.childCount;
sphere.transform.position = position;
sphere.transform.localScale = Vector3.one * (float)System.Math.Max(0.1, nodeScale) * this.modelScale;
MeshRenderer renderer = sphere.GetComponentInChildren <MeshRenderer>();
renderer.material.color = color;
Rigidbody body = sphere.GetComponentInChildren <Rigidbody>();
body.mass = 0.05F;
body.angularDrag = 0.05f;
body.useGravity = false; // turn off gravity
body.drag = 0.8f;
SphereCollider collider = sphere.GetComponentInChildren <SphereCollider>();
collider.material.bounciness = 1.0F;
sphere.AddComponent <NVRCollisionSoundObject>();
/*
* NVRInteractableItem interactable = sphere.AddComponent<NVRInteractableItem>();
* interactable.CanAttach = true;
* interactable.DisableKinematicOnAttach = true;
* interactable.EnableKinematicOnDetach = false;
* interactable.EnableGravityOnDetach = false;
*/
NodeObject node = sphere.AddComponent <NodeObject>();
node.label = label;
sphere.SetActive(true);
return(node);
}
internal void DeleteObjectAt(NVRHand hand)
{
Debug.Log("Deleting object interacting with " + hand);
if (hand.IsInteracting)
{
//DebugSphere(hand.CurrentlyInteracting, "Interacting with");
NodeObject sphere = hand.CurrentlyInteracting.GetComponent <NodeObject>();
if (sphere == null)
{
Debug.Log("Hand is interacting with something that is not a NodeObject: " + hand.CurrentlyInteracting);
}
else
{
Debug.Log("Deleting sphere " + sphere);
hand.EndInteraction(hand.CurrentlyInteracting);
sphere.Detach();
Destroy(sphere.gameObject, 0.1f);
}
}
else if (hand.IsHovering)
{
Debug.Log("No interacting object, but hand is hovering");
}
}
public Node(int nodeId, int labelId, NodeObject node)
{
this.nodeId = nodeId;
this.labelId = labelId;
this.position = node.transform.position;
}
public void FixedUpdate()
{
if (hand != null)
{
if (hand.Inputs[NVRButtons.ApplicationMenu].PressDown)
{
appMenuWasPressed = true;
}
if (hand.Inputs[NVRButtons.ApplicationMenu].PressUp)
{
if (appMenuWasPressed)
{
MenuPressed();
}
appMenuWasPressed = false;
}
if (hand.UseButtonDown)
{
//if(!floatingSpheres.canvasInput.OnCanvas)
{
triggerWasPressed = true;
}
}
if (hand.UseButtonUp)
{
if (triggerWasPressed)// && !floatingSpheres.canvasInput.OnCanvas)
{
TriggerPressed();
}
triggerWasPressed = false;
}
if (hand.IsInteracting)
{
this.twoHandInteraction = false;
if (otherHand != null)
{
if (otherHand.IsInteracting)
{
this.twoHandInteraction = true;
if (otherHand.CurrentlyInteracting == hand.CurrentlyInteracting)
{
// NewtonVR already filters this out, so we would need more changes to get to this point
Debug.Log("Two hands interacting with same object: " + hand.CurrentlyInteracting);
}
else
{
//FloatingSpheres.DebugSphere(hand.CurrentlyInteracting, "Interacting with");
NodeObject first = hand.CurrentlyInteracting.GetComponent <NodeObject>();
NodeObject second = otherHand.CurrentlyInteracting.GetComponent <NodeObject>();
if (first == null)
{
Debug.Log("Hand is interacting with something that is not a NodeObject: " + hand.CurrentlyInteracting);
}
else if (second == null)
{
Debug.Log("Other hand is interacting with something that is not a NodeObject: " + hand.CurrentlyInteracting);
}
else
{
EdgeObject edge = first.FindEdge(second);
if (edge == null)
{
Debug.Log("No edge exists - making one");
edge = floatingSpheres.MakeConnection(first, second);
}
}
}
}
}
}
}
else
{
Debug.LogError("No hand defined for " + this);
}
//Debug.Log("FixedUpdate: " + this);
}
