public void PreRender(Vector3f cameraPosition)
{
FScene scene = so.GetScene();
// update world-space segment that we need for ray-intersections
Frame3f frameW = scene.ToWorldFrame(center);
segmentW.Center = frameW.Origin;
segmentW.Direction = frameW.Z;
segmentW.Extent = scene.ToWorldDimension(extent);
//lineGO.GetComponent<LineRenderer>().SetPosition(0, segmentW.P0);
fLineWidthW = VRUtil.GetVRRadiusForVisualAngle(segmentW.Center, cameraPosition,
SceneGraphConfig.DefaultSnapCurveVisualDegrees);
// [RMS] not sure this makes sense...eg what if we have multiple parents? they could
// have different scalings, no? ParentScale seems to be inherited from scene scaling,
// somehow, but it is unclear...
float fParentScale = lineGO.transform.parent.localScale[0];
float fSceneScale = scene.GetSceneScale();
fLineWidthW = fLineWidthW / fParentScale / fSceneScale;
LineRenderer ren = lineGO.GetComponent <LineRenderer>();
ren.startWidth = ren.endWidth = fLineWidthW;
}
// called on per-frame Update()
override public void PreRender()
{
gizmo.Show();
foreach (var v in Widgets)
{
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
v.Key.GetPosition(),
parentScene.ActiveCamera.GetPosition(),
SceneGraphConfig.DefaultPivotVisualDegrees);
fScaling /= parentScene.GetSceneScale();
v.Key.SetLocalScale(new Vector3f(fScaling, fScaling, fScaling));
}
}
public void UpdateSetWorldScale(Ray3f left, Ray3f right)
{
Vector3f hit1 = hitFrame.RayPlaneIntersection(left.Origin, left.Direction, 2);
Vector3f hit2 = hitFrame.RayPlaneIntersection(right.Origin, right.Direction, 2);
Vector3f avg = (hit1 + hit2) * 0.5f;
float r0 = (hit1 - (Vector3f)go.transform.position).Length;
float r1 = (hit2 - (Vector3f)go.transform.position).Length;
float r = (r0 + r1) * 0.5f;
float min_r = VRUtil.GetVRRadiusForVisualAngle(avg, camState.camPosition, 2.0f);
r = (float)Math.Max(r, min_r);
go.transform.localScale = r * Vector3f.One;
go.GetComponent <Renderer>().material =
(r > deadzone_r) ? mYes : mNo;
}
public void UpdateMeasurePoint(Vector3d point, CoordSpace eSpace, int nPointNum, bool isFixedPoint = true)
{
if (eSpace == CoordSpace.ObjectCoords)
{
throw new NotSupportedException("TwoPointMeasureTool.UpdateMeasurePoint");
}
Vector3d pointS = (eSpace == CoordSpace.SceneCoords) ? point : scene.ToSceneP(point);
int i = MathUtil.Clamp(nPointNum, 0, 1);
setPointsS[i] = pointS;
snappedPointsS[i] = setPointsS[i];
point_initialized[i] = true;
if (isFixedPoint)
{
return;
}
// snap
List <SceneObject> targets = (SpecificTargets != null) ? SpecificTargets : new List <SceneObject>(scene.SceneObjects);
float fAvgSnapDist = 0;
int avgcount = 0;
foreach (var so in targets)
{
fAvgSnapDist += VRUtil.GetVRRadiusForVisualAngle(so.GetLocalFrame(CoordSpace.WorldCoords).Origin,
scene.ActiveCamera.GetPosition(), snapThresholdAngle);
avgcount++;
}
if (avgcount == 0)
{
return;
}
fAvgSnapDist /= avgcount;
SORayHit nearestW;
Vector3d pointW = (eSpace == CoordSpace.WorldCoords) ? point : scene.ToWorldP(point);
if (SceneUtil.FindNearestPoint(targets, pointW, fAvgSnapDist, out nearestW, CoordSpace.WorldCoords))
{
snappedPointsS[i] = scene.ToSceneP(nearestW.hitPos);
}
}
public void PreRender(Vector3f cameraPosition)
{
// since we are supporting case where so is moving (ie bimanual grab), we need to
// update position here. And SetGameObjectFrame() does not support SceneCoords.
// So map scene to world
Frame3f FrameW = SceneTransforms.TransformTo(FrameS, so, CoordSpace.SceneCoords, CoordSpace.WorldCoords);
UnityUtil.SetGameObjectFrame(primGO, FrameW, CoordSpace.WorldCoords);
float fScaling = VRUtil.GetVRRadiusForVisualAngle(
primGO.transform.position, cameraPosition,
SceneGraphConfig.DefaultPivotVisualDegrees * 0.98f);
// [RMS] not sure this makes sense...eg what if we have multiple parents? they could
// have different scalings, no? ParentScale seems to be inherited from scene scaling,
// somehow, but it is unclear...
float fParentScale = primGO.transform.parent.localScale[0];
float fSceneScale = so.GetScene().GetSceneScale();
fScaling = fScaling / fParentScale / fSceneScale;
primGO.transform.localScale = new Vector3f(fScaling, fScaling, fScaling);
}
public override Capture BeginCapture(InputState input, CaptureSide eSide)
{
HandInfo hi = new HandInfo();
hi.eMode = ActionMode.TransformCamera;
Frame3f camFrame = cockpit.ActiveCamera.GetWorldFrame();
// if both rays hit scene and are within a few visual degrees, then we
// we pull out a sphere and use it to re-scale the world.
// Otherwise do normal hand-transform actions
AnyRayHit hit1, hit2;
bool bHit1 = cockpit.Scene.FindSceneRayIntersection(input.vLeftSpatialWorldRay, out hit1);
bool bHit2 = cockpit.Scene.FindSceneRayIntersection(input.vRightSpatialWorldRay, out hit2);
if (bHit1 && bHit2)
{
Vector3 avg = (hit1.hitPos + hit2.hitPos) * 0.5f;
float d = VRUtil.GetVRRadiusForVisualAngle(avg, camFrame.Origin, 2.0f);
if ((hit1.hitPos - hit2.hitPos).Length < d)
{
hi.eMode = ActionMode.SetWorldScale;
Frame3f centerF = cockpit.Scene.SceneFrame;
centerF.Origin = avg;
Frame3f planeF = new Frame3f(centerF.Origin, camFrame.Z);
hi.BeginSetWorldScale(centerF, planeF, 2 * d);
hi.UpdateSetWorldScale(input.vLeftSpatialWorldRay, input.vRightSpatialWorldRay);
}
}
hi.leftStartF = input.LeftHandFrame;
hi.rightStartF = input.RightHandFrame;
hi.camState = cockpit.ActiveCamera.Manipulator().GetCurrentState(cockpit.Scene);
hi.camRight = camFrame.X;
hi.camForward = camFrame.Z;
cockpit.ActiveCamera.SetTargetVisible(true);
return(Capture.Begin(this, CaptureSide.Both, hi));
}
// returns snapped world-frame, or input frame if no snap
public Frame3f UpdateSnapW(Frame3f fSourceFrameW, SnapSet Snaps)
{
FScene scene = targetSO.GetScene();
float fSnapRadiusW = VRUtil.GetVRRadiusForVisualAngle(fSourceFrameW.Origin,
scene.ActiveCamera.GetPosition(), SnapThreshVisualAngleDeg);
float fSnapRadiusS = fSnapRadiusW / scene.GetSceneScale();
// fSourceFrameW in Scene coordinates
Frame3f fSourceS = scene.ToSceneFrame(fSourceFrameW);
SnapResult best_snap = null;
float fNearest = float.MaxValue;
Frame3f fBestSourceL = Frame3f.Identity;
// snapframes are stored in local coords relative to object
foreach (Frame3f fPointFrameL in snapFramesL)
{
// convert local-coord snap frame into scene coords
Frame3f fPointFrameS = fSourceS.FromFrame(fPointFrameL);
SnapResult snap = Snaps.FindNearestSnapPointS(fPointFrameS, fSnapRadiusS);
if (snap != null)
{
float d = ((Vector3f)snap.FrameS.Origin - fPointFrameS.Origin).Length;
if (d < fNearest)
{
fNearest = d;
fBestSourceL = fPointFrameL;
best_snap = snap;
}
}
}
snapState.UpdateState(best_snap, fBestSourceL);
if (snapState.IsSnapped)
{
SnapResult useSnap = snapState.ActiveSnapTarget;
Frame3f useSourceL = (Frame3f)snapState.ActiveSnapData;
if (SnapOrientation)
{
// compute min-rotation frame, then align origins
Frame3f fAlignedSourceS =
Frame3f.SolveMinRotation(fSourceS, useSnap.FrameS);
Frame3f fPointFrameS = fAlignedSourceS.FromFrame(useSourceL);
Vector3f deltaS = (Vector3f)useSnap.FrameS.Origin - fPointFrameS.Origin;
snapFrameS = fAlignedSourceS.Translated(deltaS);
//// this is tricky...we have an object-space frame useSourceL, which
//// we want to snap to a scene-space frame usePoint.FrameS. So we need
//// to shift origin of that frame by -useSourceL_in_FrameS!
//snapFrameS = usePoint.FrameS.Translated(
// -usePoint.FrameS.FromFrameV(useSourceL.Origin));
}
else
{
// translation-only snap - find shift in scene space, apply to input source frame
Frame3f fPointFrameS = fSourceS.FromFrame(useSourceL);
Vector3f deltaS = (Vector3f)useSnap.FrameS.Origin - fPointFrameS.Origin;
snapFrameS = fSourceS.Translated(deltaS);
}
// now convert to world frame for return
return(scene.ToWorldFrame(snapFrameS));
}
return(fSourceFrameW);
}
public override Capture BeginCapture(InputState input, CaptureSide eSide)
{
if (input.LeftCaptureActive || input.RightCaptureActive || popup != null)
{
DebugUtil.Warning("SceneRightClickBehavior.BeginCapture - we should not be here...");
return(Capture.Ignore);
}
Ray3f useRay = new Ray3f(Vector3f.Zero, Vector3f.AxisY);
if (input.IsForDevice(InputDevice.Mouse) || input.IsForDevice(InputDevice.Gamepad))
{
useRay = (input.bRightMousePressed) ? input.vMouseWorldRay : input.vGamepadWorldRay;
}
else if (input.IsForDevice(InputDevice.AnySpatialDevice))
{
useRay = (eSide == CaptureSide.Left) ? input.vLeftSpatialWorldRay : input.vRightSpatialWorldRay;
}
// raycast into scene to find hit object/position for menu. We try Pivots first,
// because they are special and have priority (?? always ??). Then we cast into general scene.
SORayHit pivotHit;
bool bHitPivot = cockpit.Scene.FindSORayIntersection(useRay, out pivotHit, (x) => { return(x is PivotSO); });
AnyRayHit rayHit;
if (bHitPivot)
{
rayHit = new AnyRayHit(pivotHit);
}
else
{
if (cockpit.Scene.FindSceneRayIntersection(useRay, out rayHit) == false)
{
return(Capture.Ignore);
}
}
// find center of menu in space
Vector3f vHUDCenter = cockpit.RootGameObject.GetPosition();
Vector3f menuLocation = rayHit.hitPos;
if (Placement == PlacementMode.OnHUDSphere)
{
float fRayT;
bool bHit = RayIntersection.Sphere(useRay.Origin, useRay.Direction,
vHUDCenter, HUDRadius, out fRayT);
Debug.Assert(bHit);
menuLocation = useRay.Origin + fRayT * useRay.Direction;
}
// compute extents
float fDiameter = VRUtil.GetVRRadiusForVisualAngle(
menuLocation, cockpit.ActiveCamera.GetPosition(), VisualDiameter);
if (rayHit.eType == HitType.SceneObjectHit && rayHit.hitSO is PivotSO)
{
popup = GeneratePivotRadialMenu(fDiameter, rayHit.hitSO as PivotSO);
}
else if (rayHit.eType == HitType.SceneObjectHit)
{
popup = GenerateSceneObjectRadialMenu(fDiameter, rayHit);
}
else
{
popup = GenerateDefaultRadialMenu(fDiameter, rayHit);
}
popup.Create();
popup.Name = "popup_menu";
if (Placement == PlacementMode.InScene)
{
HUDUtil.PlaceInScene(popup, vHUDCenter, menuLocation);
}
else
{
HUDUtil.PlaceInSphere(popup, HUDRadius, vHUDCenter, menuLocation);
}
// this is a bit of a hack...radial menu lives in-scene, if we attach it to
// cockpit then it will move with cockpit, which is wrong. So we want to
// stick it in the scene. But, at least for now, we still want it to be
// drawn in the cockpit layer, so we add to cockpit first, them remove and
// re-add to the scene
cockpit.AddUIElement(popup, false);
cockpit.RemoveUIElement(popup, false);
cockpit.Scene.AddUIElement(popup, false);
HUDUtil.AnimatedShow(popup, 0.2f);
return(Capture.Begin(this, eSide));
}