// tests SceneObjects and Bounds
public bool FindSceneRayIntersection(Ray3f ray, out AnyRayHit hit, bool bFindBoundsHits = true, Func <SceneObject, bool> sofilter = null)
{
hit = null;
SORayHit bestSOHit = null;
GameObjectRayHit bestBoundsHit = null;
bool bHitSO = FindSORayIntersection(ray, out bestSOHit, sofilter);
bool bHitBounds = bFindBoundsHits && FindWorldBoundsHit(ray, out bestBoundsHit);
if (bHitSO && bHitBounds)
{
if (bestSOHit.fHitDist < bestBoundsHit.fHitDist)
{
hit = new AnyRayHit(bestSOHit);
}
else
{
hit = new AnyRayHit(bestBoundsHit, HitType.BoundsObjectHit);
}
}
else if (bHitSO)
{
hit = new AnyRayHit(bestSOHit);
}
else if (bHitBounds)
{
hit = new AnyRayHit(bestBoundsHit, HitType.BoundsObjectHit);
}
return(hit != null);
}
public static InputEvent Gamepad(InputState input, AnyRayHit hit = null)
{
return(new InputEvent()
{
ray = input.vGamepadWorldRay, side = CaptureSide.Any, device = InputDevice.Gamepad, input = input, hit = hit
});
}
public AnyRayHit hit; // only set for WantsCapture / BeginCapture calls...
public static InputEvent Mouse(InputState input, AnyRayHit hit = null)
{
return(new InputEvent()
{
ray = input.vMouseWorldRay, side = CaptureSide.Any, device = InputDevice.Mouse, input = input, hit = hit
});
}
public static InputEvent Touch(InputState input, AnyRayHit hit = null)
{
return(new InputEvent()
{
ray = input.vTouchWorldRay, side = CaptureSide.Any, device = InputDevice.TabletFingers, input = input, hit = hit
});
}
public static InputEvent Spatial(CaptureSide which, InputState input, AnyRayHit hit = null)
{
return(new InputEvent()
{
ray = (which == CaptureSide.Left) ? input.vLeftSpatialWorldRay : input.vRightSpatialWorldRay,
side = which, device = InputDevice.AnySpatialDevice, input = input, hit = hit
});
}
public UIRayHit(AnyRayHit init)
{
Debug.Assert(init.eType == HitType.SceneUIElementHit);
hitPos = init.hitPos;
hitNormal = init.hitNormal;
fHitDist = init.fHitDist;
hitGO = init.hitGO;
hitUI = init.hitUI;
}
public SORayHit(AnyRayHit init)
{
Debug.Assert(init.eType == HitType.SceneObjectHit);
hitPos = init.hitPos;
hitNormal = init.hitNormal;
fHitDist = init.fHitDist;
hitGO = init.hitGO;
hitSO = init.hitSO;
}
public UIRayHit(AnyRayHit init)
{
Util.gDevAssert(init.eType == HitType.SceneUIElementHit);
hitPos = init.hitPos;
hitNormal = init.hitNormal;
hitIndex = init.hitIndex;
fHitDist = init.fHitDist;
hitGO = init.hitGO;
hitUI = init.hitUI;
}
public SORayHit(AnyRayHit init)
{
Util.gDevAssert(init.eType == HitType.SceneObjectHit);
hitPos = init.hitPos;
hitNormal = init.hitNormal;
hitIndex = init.hitIndex;
fHitDist = init.fHitDist;
hitGO = init.hitGO;
hitSO = init.hitSO;
}
public bool FindAnyRayIntersection(Ray3f ray, out AnyRayHit hit)
{
hit = null;
UIRayHit bestUIHit = null;
if (FindUIRayIntersection(ray, out bestUIHit))
{
hit = new AnyRayHit(bestUIHit);
}
return(hit != null);
}
// does not test bounds!
// [TODO] this is going to be weird... need to test bounds, I think
public bool FindAnyRayIntersection(Ray3f ray, out AnyRayHit hit)
{
hit = null;
UIRayHit bestUIHit = null;
SORayHit bestSOHit = null;
foreach (var ui in vUIElements)
{
UIRayHit uiHit;
if (ui.FindRayIntersection(ray, out uiHit))
{
if (bestUIHit == null || uiHit.fHitDist < bestUIHit.fHitDist)
{
bestUIHit = uiHit;
}
}
}
foreach (var so in VisibleSceneObjects)
{
if (!is_selectable(so))
{
continue;
}
SORayHit objHit;
if (so.FindRayIntersection(ray, out objHit))
{
if (bestSOHit == null || objHit.fHitDist < bestSOHit.fHitDist)
{
bestSOHit = objHit;
}
}
}
if (bestUIHit != null)
{
if (bestSOHit == null || bestSOHit.fHitDist > bestUIHit.fHitDist)
{
hit = new AnyRayHit(bestUIHit);
}
else
{
hit = new AnyRayHit(bestSOHit);
}
}
else if (bestSOHit != null)
{
hit = new AnyRayHit(bestSOHit);
}
return(hit != null);
}
public void BeginDraw_Ray(Ray3f ray, AnyRayHit rayHit, int nStep)
{
CreateNewPrimitive();
Vector3f hitPos = rayHit.hitPos;
Frame3f sceneW = scene.SceneFrame;
if (rayHit.hitSO == null)
{
primStartW = sceneW;
primStartW.Origin = hitPos;
}
else
{
if (scene.Context.TransformManager.ActiveFrameType == FrameType.WorldFrame)
{
primStartW = sceneW;
primStartW.Origin = hitPos;
}
else if (rayHit.hitSO is PivotSO)
{
primStartW = (rayHit.hitSO as PivotSO).GetLocalFrame(CoordSpace.WorldCoords);
primStartW.Origin = hitPos;
}
else if (rayHit.hitSO is PrimitiveSO)
{
// align with object frame as much as possible, given that we still want
// to use hit normal...
Frame3f objFrame = (rayHit.hitSO as PrimitiveSO).GetLocalFrame(CoordSpace.WorldCoords);
int nBestAxis = MathUtil.MostParallelAxis(objFrame, rayHit.hitNormal);
int nPerp = (nBestAxis + 1) % 3;
primStartW = new Frame3f(hitPos, rayHit.hitNormal, 1);
primStartW.ConstrainedAlignAxis(0, objFrame.GetAxis(nPerp), primStartW.Y);
}
else
{
primStartW = new Frame3f(hitPos, rayHit.hitNormal, 1);
primStartW.ConstrainedAlignAxis(1, sceneW.Y, primStartW.Y);
}
}
primitive.Frame = primStartW;
primStartS = scene.ToSceneFrame(primStartW);
}
void update_position(AnyRayHit hit)
{
int nNormalAxis = 1;
int nUpAxis = 2;
// as we drag object we will align Y with hit surface normal, but
// we also want to constrain rotation so it is stable. Hence, we are
// going to use world or local frame of target object to stabilize
// rotation around normal.
Frame3f hitF = TargetScene.SceneFrame;
Vector3 targetAxis = hitF.GetAxis(1);
if (hit.hitSO is SceneObject)
{
hitF = (hit.hitSO as SceneObject).GetLocalFrame(CoordSpace.WorldCoords);
}
bool bUseLocal =
(TargetScene.Context.TransformManager.ActiveFrameType == FrameType.LocalFrame);
if (bUseLocal && hit.hitSO is SceneObject)
{
hitF = (hit.hitSO as SceneObject).GetLocalFrame(CoordSpace.WorldCoords);
targetAxis = hitF.GetAxis(1);
}
// if normal is parallel to target, this would become unstable, so use another axis
if (Vector3.Dot(targetAxis, hit.hitNormal) > 0.99f)
{
targetAxis = hitF.GetAxis(0);
}
if (lastHitObject == null || hit.hitSO != lastHitObject)
{
lastHitF = new Frame3f(hit.hitPos, hit.hitNormal, nNormalAxis);
lastHitF.ConstrainedAlignAxis(nUpAxis, targetAxis, lastHitF.GetAxis(nNormalAxis));
}
else
{
lastHitF.Origin = hit.hitPos;
lastHitF.AlignAxis(nNormalAxis, hit.hitNormal);
lastHitF.ConstrainedAlignAxis(nUpAxis, targetAxis, lastHitF.GetAxis(nNormalAxis));
}
lastHitObject = hit.hitSO;
}
public bool FindAnyRayIntersection(Ray eyeRay, out AnyRayHit anyHit)
{
anyHit = new AnyRayHit();
AnyRayHit sceneHit = null;
UIRayHit cockpitHit = null;
if (scene.FindAnyRayIntersection(eyeRay, out sceneHit))
{
anyHit = sceneHit;
}
if (cockpit.FindUIRayIntersection(eyeRay, out cockpitHit))
{
if (cockpitHit.fHitDist < anyHit.fHitDist)
{
anyHit = new AnyRayHit(cockpitHit);
}
}
return(anyHit.IsValid);
}
// currently used to change cursor highlight in VR views. Perhaps the VR input Controllers
// should do this themselves!
public bool FindAnyRayIntersection(Ray eyeRay, out AnyRayHit anyHit)
{
anyHit = new AnyRayHit();
AnyRayHit sceneHit = null;
UIRayHit cockpitHit = null;
bool bCockpitOnly = (options.EnableCockpit && activeCockpit.GrabFocus);
if (bCockpitOnly == false && scene.FindAnyRayIntersection(eyeRay, out sceneHit))
{
anyHit = sceneHit;
}
if (Use2DCockpit == false && options.EnableCockpit &&
activeCockpit.FindUIRayIntersection(eyeRay, out cockpitHit))
{
if (cockpitHit.fHitDist < anyHit.fHitDist)
{
anyHit = new AnyRayHit(cockpitHit);
}
}
return(anyHit.IsValid);
}
// FixedUpdate is called before any Update
public void Update()
{
if (bFreezeCursor)
{
return;
}
// if we are in capture we freeze the cursor plane
if (context.InCaptureMouse == false)
{
Vector3 camPos = camera.gameObject.transform.position;
Vector3 forward = camera.gameObject.transform.forward;
// orient Y-up plane so that it is in front of eye, perp to camera direction
float fCursorDepth = 10.0f;
fCursorSpeedNormalization = 1.0f;
if (context.ActiveCockpit != null && context.ActiveCockpit.DefaultCursorDepth > 0)
{
fCursorDepth = context.ActiveCockpit.DefaultCursorDepth;
// cursor speed will change depending on cursor plane distance, unless we normalize
fCursorSpeedNormalization *= (fCursorDepth / 10.0f);
}
xformObject.transform.position = camPos + fCursorDepth * forward;
xformObject.transform.LookAt(camera.gameObject.transform);
xformObject.transform.RotateAround(xformObject.transform.position, xformObject.transform.right, 90);
// that plane is the plane the mouse cursor moves on
this.vCursorPlaneOrigin = xformObject.transform.position;
this.vCursorPlaneRight = xformObject.transform.right;
this.vCursorPlaneUp = xformObject.transform.forward; // because we rotated? weird...
this.vRaySourcePosition = camera.transform.position;
// if we were capturing, then plane was frozen and when we stop capturing, if
// head moved, the cursor will pop to a new position (because it is stored in
// local plane coords). So raycast through old cursor to hit new plane and figure
// out new local coords (fCurPlaneX, fCurPlaneY)
if (bWasInCaptureFreeze)
{
Frame3f newF = new Frame3f(vCursorPlaneOrigin, this.camera.transform.forward);
Vector3 vPlaneHit = newF.RayPlaneIntersection(this.vRaySourcePosition,
(vPlaneCursorPos - vRaySourcePosition).normalized, 2);
fCurPlaneX = Vector3.Dot((vPlaneHit - vCursorPlaneOrigin), vCursorPlaneRight);
fCurPlaneY = Vector3.Dot((vPlaneHit - vCursorPlaneOrigin), vCursorPlaneUp);
bWasInCaptureFreeze = false;
}
}
else
{
bWasInCaptureFreeze = true;
}
Vector2f mousePos = InputExtension.Get.Mouse.PositionDelta;
Vector2f leftStick = InputExtension.Get.GamepadLeftStick.Position;
float fX = mousePos.x + leftStick.x;
float fY = mousePos.y + leftStick.y;
// auto-hide cursor if it doesn't move for a while
if (fX == 0 && fY == 0 && SceneGraphConfig.MouseCursorHideTimeout > 0)
{
if ((FPlatform.RealTime() - lastMouseEventTime) > SceneGraphConfig.MouseCursorHideTimeout)
{
Cursor.SetVisible(false);
mouseInactiveState = true;
}
if (mouseInactiveState)
{
return;
}
}
else
{
lastMouseEventTime = FPlatform.RealTime();
if (mouseInactiveState)
{
Cursor.SetVisible(true);
}
mouseInactiveState = false;
}
// update cursor location
fCurPlaneX -= 0.3f * fX * fCursorSpeedNormalization;
fCurPlaneY -= 0.3f * fY * fCursorSpeedNormalization;
vPlaneCursorPos =
vCursorPlaneOrigin + fCurPlaneX * vCursorPlaneRight + fCurPlaneY * vCursorPlaneUp;
vSceneCursorPos = vPlaneCursorPos;
// if cursor gets outside of viewpoint it is almost impossible to get it back.
// So, if it goes too far out of view (45 deg here), we snap it back to the origin
if (context.InCameraManipulation == false && context.InCaptureMouse == false)
{
float fAngle = Vector3.Angle((vPlaneCursorPos - camera.transform.position).normalized, camera.transform.forward);
if (fAngle > 50.0f)
{
fCurPlaneX = fCurPlaneY = 0;
vPlaneCursorPos =
vCursorPlaneOrigin + fCurPlaneX * vCursorPlaneRight + fCurPlaneY * vCursorPlaneUp;
vSceneCursorPos = vPlaneCursorPos;
}
}
bool bHit = false;
// [RMS] boundsHit cursor orientation could be useful for things where you are picking a point
// on the ground plane (eg like drawing contours). Not sure how to toggle that though.
// Just disabling for now...
//bool bIsBoundsHit = false;
if (context != null)
{
Ray r = new Ray(camera.transform.position, (vPlaneCursorPos - camera.transform.position).normalized);
AnyRayHit hit = null;
if (context.FindAnyRayIntersection(r, out hit))
{
vSceneCursorPos = hit.hitPos;
bHit = true;
}
else
{
GameObjectRayHit ghit = null;
if (context.GetScene().FindWorldBoundsHit(r, out ghit))
{
vSceneCursorPos = ghit.hitPos;
//bIsBoundsHit = true;
}
}
}
this.CurrentCursorPosWorld = vPlaneCursorPos;
this.CurrentCursorRaySourceWorld = this.vRaySourcePosition;
Vector3 vEyeToPos = (vPlaneCursorPos - camera.transform.position).normalized;
//if (bIsBoundsHit) {
// Vector3 rotAxis = (vEyeToPos + camera.transform.right).normalized;
// Cursor.transform.localRotation = Quaternion.AngleAxis(180.0f-45.0f, rotAxis);
//} else {
Quaternion rotAlignUp = Quaternion.FromToRotation(Vector3.up, camera.transform.up);
Vector3 rotAxis = (vEyeToPos + camera.transform.right).normalized;
Cursor.transform.localRotation = Quaternion.AngleAxis(45.0f, rotAxis) * rotAlignUp;
//}
Cursor.transform.position = vSceneCursorPos;
if (context.InCaptureMouse)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorCapturingMaterial;
}
else if (bHit)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorHitMaterial;
}
else
{
Cursor.GetComponent <MeshRenderer> ().material = CursorDefaultMaterial;
}
Cursor.SetLayer(FPlatform.CursorLayer);
// maintain a consistent visual size for 3D cursor sphere
float fScaling = VRUtil.GetVRRadiusForVisualAngle(vSceneCursorPos, camera.transform.position, CursorVisualAngleInDegrees);
Cursor.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
// update cursor
Mesh useMesh = context.ToolManager.HasActiveTool(ToolSide.Right) ? activeToolCursorMesh : standardCursorMesh;
if (Cursor.GetSharedMesh() != useMesh)
{
Cursor.SetSharedMesh(useMesh);
}
}
public bool HandleShortcuts()
{
bool bShiftDown = Input.GetKey(KeyCode.LeftShift);
bool bCtrlDown = Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl);
// ESCAPE CLEARS ACTIVE TOOL OR SELECTION
if (Input.GetKeyUp(KeyCode.Escape))
{
if (context.ToolManager.HasActiveTool(0) || context.ToolManager.HasActiveTool(1))
{
context.ToolManager.DeactivateTool(0);
context.ToolManager.DeactivateTool(1);
}
else if (context.Scene.Selected.Count > 0)
{
context.Scene.ClearSelection();
}
return(true);
}
else if (Input.GetKeyUp(KeyCode.A))
{
if (PanelGroup != null)
{
PanelGroup.SelectModulo(PanelGroup.Selected + 1);
}
return(true);
}
else if (Input.GetKeyUp(KeyCode.S))
{
if (PanelGroup != null)
{
PanelGroup.SelectModulo(PanelGroup.Selected - 1);
}
return(true);
// CENTER TARGET (??)
}
else if (Input.GetKeyUp(KeyCode.C))
{
Ray3f cursorRay = context.MouseController.CurrentCursorWorldRay();
AnyRayHit hit = null;
if (context.Scene.FindSceneRayIntersection(cursorRay, out hit))
{
context.ActiveCamera.Manipulator().ScenePanFocus(context.Scene, context.ActiveCamera, hit.hitPos, true);
}
return(true);
// TOGGLE FRAME TYPE
}
else if (Input.GetKeyUp(KeyCode.F))
{
FrameType eCur = context.TransformManager.ActiveFrameType;
context.TransformManager.ActiveFrameType = (eCur == FrameType.WorldFrame)
? FrameType.LocalFrame : FrameType.WorldFrame;
return(true);
// DROP A COPY
}
else if (Input.GetKeyUp(KeyCode.D))
{
foreach (SceneObject so in context.Scene.Selected)
{
SceneObject copy = so.Duplicate();
if (copy != null)
{
// [TODO] could have a lighter record here because we can just re-run Duplicate() ?
context.Scene.History.PushChange(
new AddSOChange()
{
scene = context.Scene, so = copy
});
context.Scene.History.PushInteractionCheckpoint();
}
}
return(true);
// VISIBILITY (V HIDES, SHIFT+V SHOWS)
}
else if (Input.GetKeyUp(KeyCode.V))
{
// show/hide (should be abstracted somehow?? instead of directly accessing GOs?)
if (bShiftDown)
{
foreach (SceneObject so in context.Scene.SceneObjects)
{
so.RootGameObject.Show();
}
}
else
{
foreach (SceneObject so in context.Scene.Selected)
{
so.RootGameObject.Hide();
}
context.Scene.ClearSelection();
}
return(true);
// UNDO
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.Z))
{
context.Scene.History.InteractiveStepBack();
return(true);
// REDO
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.Y))
{
context.Scene.History.InteractiveStepForward();
return(true);
// FILE OPEN
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.O))
{
var cp = new FileOpenCockpit()
{
InitialPath = SceneGraphConfig.LastFileOpenPath
};
context.PushCockpit(cp);
return(true);
// FILE SAVE
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.S))
{
var cp = new FileSaveCockpit()
{
InitialPath = SceneGraphConfig.LastFileOpenPath
};
context.PushCockpit(cp);
return(true);
// FILE IMPORT
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.I))
{
var cp = new FileImportCockpit()
{
InitialPath = SceneGraphConfig.LastFileOpenPath
};
context.PushCockpit(cp);
return(true);
// FILE EXPORT
}
else if (bCtrlDown && Input.GetKeyUp(KeyCode.E))
{
var cp = new FileExportCockpit()
{
InitialPath = SceneGraphConfig.LastFileOpenPath
};
context.PushCockpit(cp);
return(true);
// APPLY CURRENT TOOL IF POSSIBLE
}
else if (Input.GetKeyUp(KeyCode.Return))
{
if (((context.ActiveInputDevice & InputDevice.Mouse) != 0) &&
context.ToolManager.HasActiveTool(ToolSide.Right) &&
context.ToolManager.ActiveRightTool.CanApply)
{
context.ToolManager.ActiveRightTool.Apply();
}
return(true);
}
else if (Input.GetKeyUp(KeyCode.Alpha1))
{
context.ToolManager.SetActiveToolType(SnapDrawPrimitivesTool.Identifier, 1);
context.ToolManager.ActivateTool(1);
return(true);
}
else if (Input.GetKeyUp(KeyCode.Alpha2))
{
context.ToolManager.SetActiveToolType(DrawTubeTool.Identifier, 1);
context.ToolManager.ActivateTool(1);
return(true);
}
else if (Input.GetKeyUp(KeyCode.Alpha3))
{
context.ToolManager.SetActiveToolType(DrawCurveTool.Identifier, 1);
context.ToolManager.ActivateTool(1);
return(true);
}
else if (Input.GetKeyUp(KeyCode.S))
{
return(true);
}
else if (Input.GetKeyUp(KeyCode.Equals))
{
if (Application.isEditor)
{
string sName = UniqueNames.GetNext("Screenshot");
sName = "C:\\scratch\\" + sName + ".png";
ScreenCapture.CaptureScreenshot(sName, 4);
Debug.Log("Wrote screenshot " + sName);
}
return(true);
}
else
{
return(false);
}
}
// FixedUpdate is called before any Update
public void Update()
{
if (CheckForSpatialInputActive() == false)
{
return;
}
Vector3 rootPos = spatialCamRig.transform.position;
SpatialDevice[] hands = { Left, Right };
for (int i = 0; i < 2; ++i)
{
SpatialDevice h = hands[i];
h.CursorActive = VRPlatform.IsSpatialDeviceTracked(i);
if (h.CursorActive)
{
h.Hand.Show();
h.Cursor.Show();
Vector3 handPos = VRPlatform.GetLocalControllerPosition(i);
Quaternion handRot = VRPlatform.GetLocalControllerRotation(i);
h.AbsoluteHandFrame = new Frame3f(rootPos + handPos, handRot);
float fPositionT = 0.2f;
float fRotationT = 0.2f;
//float fPositionT = 1.0f;
//float fRotationT = 1.0f;
if (h.SmoothedHandFrame.Origin != Vector3f.Zero)
{
Vector3 new_origin =
Vector3.Lerp(h.SmoothedHandFrame.Origin, h.AbsoluteHandFrame.Origin, fPositionT);
Quaternion new_rotation =
Quaternion.Slerp(h.SmoothedHandFrame.Rotation, h.AbsoluteHandFrame.Rotation, fRotationT);
h.SmoothedHandFrame = new Frame3f(new_origin, new_rotation);
}
else
{
h.SmoothedHandFrame = h.AbsoluteHandFrame;
}
h.Hand.transform.position = h.SmoothedHandFrame.Origin;
h.Hand.transform.rotation = h.SmoothedHandFrame.Rotation * (Quaternionf)handGeomRotation;
h.CursorRay = new Ray(h.SmoothedHandFrame.Origin,
(h.SmoothedHandFrame.Rotation * Vector3.forward).Normalized);
if (Mathf.Abs(h.CursorRay.direction.sqrMagnitude - 1.0f) > 0.001f)
{
DebugUtil.Log(2, "SpatialInputController.Update - invlaid cursor ray! rotation was {0}", h.SmoothedHandFrame.Rotation);
h.CursorRay = new Ray(h.SmoothedHandFrame.Origin, Vector3.up);
}
// raycast into scene to see if we hit object, UI, bounds, etc.
bool bHit = false;
if (context != null)
{
// want to hit-test active gizmo first, because that has hit-priority
if (context.TransformManager.HaveActiveGizmo)
{
UIRayHit uiHit = null;
if (context.TransformManager.ActiveGizmo.FindRayIntersection(h.CursorRay, out uiHit))
{
h.RayHitPos = uiHit.hitPos;
bHit = true;
}
}
// next we tested scene
if (bHit == false)
{
AnyRayHit hit = null;
if (context.FindAnyRayIntersection(h.CursorRay, out hit))
{
h.RayHitPos = hit.hitPos;
bHit = true;
}
}
// finally test worldbounds
if (bHit == false)
{
GameObjectRayHit ghit = null;
if (context.GetScene().FindWorldBoundsHit(h.CursorRay, out ghit))
{
h.RayHitPos = ghit.hitPos;
}
}
}
// if not, plane cursor on view-perp plane centered at last hit pos,
// otherwise it will be stuck/disappear
if (bHit == false)
{
Frame3f f = new Frame3f(h.RayHitPos, camera.transform.forward);
h.RayHitPos = f.RayPlaneIntersection(h.CursorRay.origin, h.CursorRay.direction, 2);
}
h.Cursor.transform.position = h.RayHitPos;
//if (scene.InCapture)
// MaterialUtil.SetMaterial(h.Cursor, h.CursorCapturingMaterial);
//else
if (bHit)
{
MaterialUtil.SetMaterial(h.Cursor, h.CursorHitMaterial);
}
else
{
MaterialUtil.SetMaterial(h.Cursor, h.CursorDefaultMaterial);
}
// maintain a consistent visual size for 3D cursor sphere
float fScaling = VRUtil.GetVRRadiusForVisualAngle(h.RayHitPos, camera.transform.position, CursorVisualAngleInDegrees);
h.Cursor.transform.localScale = fScaling * Vector3.one;
// orient cursor so it is tilted like a 2D cursor, but per-hand
Vector3 cursor_right = Vector3.Cross(camera.transform.up, h.CursorRay.direction);
Vector3 cursor_fw = Vector3.Cross(cursor_right, camera.transform.up);
float rotSign = (h == Right) ? 1.0f : -1.0f;
Vector3 pointDir = (camera.transform.up + cursor_fw - 0.5f * rotSign * cursor_right).normalized;
h.Cursor.transform.localRotation = Quaternion.FromToRotation(Vector3.up, pointDir);
// update laser line
if (h.Laser != null)
{
float hDist = (h.RayHitPos - h.CursorRay.origin).magnitude;
Vector3 p0 = h.RayHitPos - 0.9f * hDist * h.CursorRay.direction;
Vector3 p1 = h.RayHitPos + 100.0f * h.CursorRay.direction;
float r0 = VRUtil.GetVRRadiusForVisualAngle(p0, camera.transform.position, 0.5f);
h.LaserRen.SetPosition(0, p0);
h.LaserRen.SetPosition(1, p1);
h.LaserRen.startWidth = h.LaserRen.endWidth = r0;
}
// udpate cursor
Mesh useMesh = context.ToolManager.HasActiveTool(i) ? activeToolCursorMesh : standardCursorMesh;
if (h.Cursor.GetSharedMesh() != useMesh)
{
h.Cursor.SetSharedMesh(useMesh);
}
}
else
{
h.Hand.Hide();
h.Cursor.Hide();
}
}
}
override public bool UpdateCapture(InputEvent e)
{
if (eState == CaptureState.ClickType && FindHitGO(e.ray) != null)
{
return(true);
}
// otherwise we fall into drag state
eState = CaptureState.DragType;
if (newPrimitive == null)
{
newPrimitive = CreatePrimitive();
fPrimScale = 1.0f;
if (newPrimitive is PivotSO)
{
fPrimShift = 0.0f;
}
else
{
if (newPrimitive is PrimitiveSO)
{
if (SavedSettings.Restore("DropPrimButton_scale") != null)
{
fPrimScale = (float)SavedSettings.Restore("DropPrimButton_scale");
newPrimitive.SetLocalScale(fPrimScale * Vector3f.One);
}
}
fPrimShift = newPrimitive.GetLocalBoundingBox().Extents[1] * TargetScene.GetSceneScale();
}
// [RMS] this is kind of cheating - we are going to tell this SO
// it is part of the scene, but not actually put it in the scene.
// This is because sometimes the SO needs to query the scene/camera
// (eg for pivot resizing)
TargetScene.ReparentSceneObject(newPrimitive, false);
newPrimitive.SetScene(TargetScene);
lastHitF = UnityUtil.GetGameObjectFrame(TargetScene.RootGameObject, CoordSpace.WorldCoords);
newPrimitive.SetLocalFrame(lastHitF.Translated(fPrimShift, 1), CoordSpace.WorldCoords);
}
// [RMS] only Touch for this??
if (InputState.IsDevice(e.device, InputDevice.OculusTouch) && newPrimitive is PrimitiveSO)
{
Vector2f vStick = e.input.StickDelta2D((int)e.side);
if (vStick[1] != 0)
{
fPrimScale = fPrimScale * (1.0f + vStick[1] * 0.1f);
fPrimScale = MathUtil.Clamp(fPrimScale, 0.01f, 10.0f);
newPrimitive.SetLocalScale(fPrimScale * Vector3f.One);
fPrimShift = newPrimitive.GetLocalBoundingBox().Extents[1] * TargetScene.GetSceneScale();
}
}
AnyRayHit hit = null;
if (TargetScene.FindSceneRayIntersection(e.ray, out hit))
{
update_position(hit);
newPrimitive.SetLocalFrame(lastHitF.Translated(fPrimShift, 1), CoordSpace.WorldCoords);
}
// [RMS] have to do this because prim is not part of scene yet,
// and things like pivots need to be resized
if (newPrimitive != null)
{
newPrimitive.PreRender();
}
return(true);
}
public void BeginDraw_Spatial(Ray3f ray, AnyRayHit rayHit, Frame3f handFrame, int nStep)
{
BeginDraw_Ray(ray, rayHit, nStep);
}
// FixedUpdate is called before any Update
public void Update()
{
// if we are in capture we freeze the cursor plane
if (Scene.InCapture == false)
{
Vector3 camPos = camera.gameObject.transform.position;
Vector3 forward = camera.gameObject.transform.forward;
// orient Y-up plane so that it is in front of eye, perp to camera direction
xformObject.transform.position = camPos + 10 * forward;
xformObject.transform.LookAt(camera.gameObject.transform);
xformObject.transform.RotateAround(xformObject.transform.position, xformObject.transform.right, 90);
// that plane is the plane the mouse cursor moves on
this.vCursorPlaneOrigin = xformObject.transform.position;
this.vCursorPlaneRight = xformObject.transform.right;
this.vCursorPlaneForward = xformObject.transform.forward;
this.vRaySourcePosition = camera.transform.position;
}
Vector3 curPos = new Vector3(Input.GetAxis("Mouse X"), Input.GetAxis("Mouse Y"), 0);
dx -= 0.3f * curPos.x;
dy -= 0.3f * curPos.y;
vPlaneCursorPos =
vCursorPlaneOrigin + dx * vCursorPlaneRight + dy * vCursorPlaneForward;
vSceneCursorPos = vPlaneCursorPos;
bool bHit = false;
if (Scene != null)
{
Ray r = new Ray(camera.transform.position, (vPlaneCursorPos - camera.transform.position).normalized);
AnyRayHit hit = null;
if (Scene.FindAnyRayIntersection(r, out hit))
{
vSceneCursorPos = hit.hitPos;
bHit = true;
}
else
{
GameObjectRayHit ghit = null;
if (Scene.GetScene().FindWorldBoundsHit(r, out ghit))
{
vSceneCursorPos = ghit.hitPos;
}
}
}
this.CurrentCursorPosWorld = vPlaneCursorPos;
this.CurrentCursorRaySourceWorld = this.vRaySourcePosition;
Cursor.transform.position = vSceneCursorPos;
if (Scene.InCapture)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorCapturingMaterial;
}
else if (bHit)
{
Cursor.GetComponent <MeshRenderer> ().material = CursorHitMaterial;
}
else
{
Cursor.GetComponent <MeshRenderer> ().material = CursorDefaultMaterial;
}
Cursor.layer = (bHit || Scene.InCapture) ? LayerMask.NameToLayer(SceneGraphConfig.WidgetOverlayLayerName) : 0;
// maintain a consistent visual size for 3D cursor sphere
float fScaling = MathUtil.GetVRRadiusForVisualAngle(vSceneCursorPos, camera.transform.position, CursorVisualAngleInDegrees);
Cursor.transform.localScale = new Vector3(fScaling, fScaling, fScaling);
}
