private void OnDrawGizmos()
{
// snapping to cone
if (!Application.isPlaying)
{
if (transform.parent == null)
{
return;
}
Linkage3D linkage;
if (linkage = transform.parent.GetComponent <Linkage3D>())
{
float angleHere = Vector3.SignedAngle(
Vector3.right, new Vector3(transform.localPosition.x, 0,
transform.localPosition.z), Vector3.up);
float radiusHere = Mathf.Lerp(
linkage.coneRadius, 0, Mathf.InverseLerp(0, linkage.coneHeight, transform.localPosition.y));
Vector3 snappedPosition = Quaternion.Euler(0, angleHere, 0) * (Vector3.right * radiusHere)
+ Vector3.up * transform.localPosition.y;
transform.localPosition = snappedPosition;
transform.LookAt(linkage.transform.position + Vector3.up * linkage.coneHeight);
}
}
// display edges
foreach (Joint3D j in initialEdges)
{
Gizmos.DrawLine(transform.position, j.transform.position);
}
if (isAnchored)
{
//Gizmos.DrawWireSphere(transform.position, transform.lossyScale.x / 4f);
}
}
public void OnSceneGUI()
{
Linkage3D links = (Linkage3D)target;
if (Event.current.type == EventType.MouseDown && Event.current.button == 1)
{
Ray worldRay = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit hitInfo;
if (Physics.Raycast(worldRay, out hitInfo))
{
Joint3D selected;
if (selected = hitInfo.collider.GetComponentInParent <Joint3D>())
{
if (previousSelection == null) // first selection
{
previousSelection = selected;
}
else // second selection
{
if (previousSelection == selected) // selected again, undo selection
{
previousSelection = null;
}
else if (previousSelection.initialEdges.Contains(selected))
{
Undo.RecordObject(previousSelection, "Remove Edge");
previousSelection.initialEdges.Remove(selected);
PrefabUtility.RecordPrefabInstancePropertyModifications(previousSelection);
}
else if (selected.initialEdges.Contains(previousSelection))
{
Undo.RecordObject(selected, "Remove Edge");
selected.initialEdges.Remove(previousSelection);
PrefabUtility.RecordPrefabInstancePropertyModifications(selected);
}
else // didn't exist yet, add from previous to new
{
Undo.RecordObject(previousSelection, "Add Edge");
previousSelection.initialEdges.Add(selected);
PrefabUtility.RecordPrefabInstancePropertyModifications(previousSelection);
}
previousSelection = null;
}
Event.current.Use();
}
}
}
if (previousSelection)
{
Handles.DrawWireCube(previousSelection.transform.position, previousSelection.transform.lossyScale / 4f);
}
}
private void Start()
{
linkage = GetComponentInParent <Linkage3D>();
}
