// override and return true to get hover events
public virtual bool FindHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
hit = null;
if (Enabled == false)
{
return(false);
}
if (EnableHover == false)
{
return(false);
}
GameObjectRayHit hitg = null;
if (FindGORayIntersection(ray, out hitg))
{
if (hitg.hitGO != null)
{
hit = new UIRayHit(hitg, this);
return(true);
}
}
return(false);
}
public override bool BeginCapture(ITransformable target, Ray3f worldRay, UIRayHit hit)
{
// save local and world frames
rotateFrameL = target.GetLocalFrame(CoordSpace.ObjectCoords);
rotateFrameW = target.GetLocalFrame(CoordSpace.WorldCoords);
rotateAxisW = rotateFrameW.GetAxis(nRotationAxis);
// save angle of hitpos in 2D plane perp to rotateAxis, so we can find delta-angle later
Vector3f vWorldHitPos = hit.hitPos;
Vector3f dv = vWorldHitPos - rotateFrameW.Origin;
int iX = (nRotationAxis + 1) % 3;
int iY = (nRotationAxis + 2) % 3;
float fX = Vector3f.Dot(dv, rotateFrameW.GetAxis(iX));
float fY = Vector3f.Dot(dv, rotateFrameW.GetAxis(iY));
fRotateStartAngle = (float)Math.Atan2(fY, fX);
// construct plane we will ray-intersect with in UpdateCapture()
raycastFrame = new Frame3f(vWorldHitPos, rotateAxisW);
if (EnableSnapping)
{
enable_circle_indicator(true);
}
return(true);
}
public AnyRayHit(UIRayHit init)
{
hitPos = init.hitPos;
fHitDist = init.fHitDist;
hitGO = init.hitGO;
eType = HitType.SceneUIElementHit;
hitUI = init.hitUI;
}
public bool FindHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
if (is_interactive == false)
{
hit = null;
return(false);
}
return(HUDUtil.FindNearestHoverRayIntersection(Children, ray, out hit));
}
Vector3f vInitialHitPos; // initial hit position in frame
public override bool BeginCapture(ITransformable target, Ray3f worldRay, UIRayHit hit)
{
// save local and world frames
translateFrameL = target.GetLocalFrame(CoordSpace.ObjectCoords);
translateFrameW = target.GetLocalFrame(CoordSpace.WorldCoords);
// save initial hitpos in translation plane
vInitialHitPos = translateFrameW.RayPlaneIntersection(worldRay.Origin, worldRay.Direction, nTranslationPlaneNormal);
return(true);
}
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);
}
public override void UpdateHover(Ray3f ray, UIRayHit hit)
{
if (Enabled && HasGO(hit.hitGO))
{
buttonMesh.SetMaterial(HoverMaterial, true);
}
else
{
buttonMesh.SetMaterial(StandardMaterial, true);
}
}
public virtual void UpdateHover(Ray3f ray, UIRayHit hit)
{
if (hoverWidget != null)
{
EndHover(ray);
}
if (Widgets.ContainsKey(hit.hitGO))
{
hoverWidget = Widgets[hit.hitGO];
MaterialUtil.SetMaterial(hoverWidget.RootGameObject, hoverWidget.HoverMaterial);
}
}
// 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);
}
// see comment above
public bool Find2DCockpitUIHoverHit(Ray3f orthoEyeRay, out UIRayHit bestHit)
{
if (Use2DCockpit == false)
{
throw new Exception("FContext.Find2DUIHit: 2D UI layer is not enabled!");
}
bestHit = null;
if (options.EnableCockpit)
{
return(activeCockpit.FindUIHoverRayIntersection(orthoEyeRay, out bestHit));
}
return(false);
}
public virtual bool FindRayIntersection(UnityEngine.Ray ray, out UIRayHit hit)
{
hit = null;
GameObjectRayHit hitg = null;
if (FindGORayIntersection(ray, out hitg))
{
if (hitg.hitGO != null)
{
hit = new UIRayHit(hitg, this);
return(true);
}
}
return(false);
}
virtual public bool FindRayIntersection(Ray3f ray, out UIRayHit hit)
{
hit = null;
GameObjectRayHit hitg = null;
if (is_interactive && FindGORayIntersection(ray, out hitg))
{
if (hitg.hitGO != null)
{
hit = new UIRayHit(hitg, this);
return(true);
}
}
return(false);
}
public bool FindUIRayIntersection(Ray ray, out UIRayHit hit)
{
hit = null;
foreach (var ui in vUIElements)
{
UIRayHit uiHit;
if (ui.FindRayIntersection(ray, out uiHit))
{
if (hit == null || uiHit.fHitDist < hit.fHitDist)
{
hit = uiHit;
}
}
}
return(hit != null);
}
Vector3f vInitialHitPos; // initial hit position in frame
public override bool BeginCapture(ITransformable target, Ray3f worldRay, UIRayHit hit)
{
if (target.SupportsScaling == false)
{
return(false);
}
// save local and world frames
scaleFrameW = target.GetLocalFrame(CoordSpace.WorldCoords);
cameraFrameW = new Frame3f(scaleFrameW.Origin, activeCamera.transform.rotation);
startScale = target.GetLocalScale();
// save initial hitpos in plane
vInitialHitPos = cameraFrameW.RayPlaneIntersection(worldRay.Origin, worldRay.Direction, 2);
return(true);
}
public bool BeginCapture(Ray ray, UIRayHit hit)
{
activeWidget = null;
// if the hit gameobject has a widget attached to it, begin capture & transformation
// TODO maybe wrapper class should have Begin/Update/End capture functions, then we do not need BeginTransformation/EndTransformation ?
if (Widgets.ContainsKey(hit.hitGO))
{
Widget w = Widgets [hit.hitGO];
if (w.BeginCapture(targetWrapper, ray, hit))
{
targetWrapper.BeginTransformation();
activeWidget = w;
return(true);
}
}
return(false);
}
} // end Update
public bool FindUIHit(Ray eyeRay, out UIRayHit bestHit)
{
bestHit = new UIRayHit();
UIRayHit sceneHit = null, cockpitHit = null;
if (scene.FindUIRayIntersection(eyeRay, out sceneHit))
{
bestHit = sceneHit;
}
if (cockpit.FindUIRayIntersection(eyeRay, out cockpitHit))
{
if (cockpitHit.fHitDist < bestHit.fHitDist)
{
bestHit = cockpitHit;
}
}
return(bestHit.IsValid);
}
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);
}
float fTranslateStartT; // start T-value along translateAxisW
public bool BeginCapture(ITransformable target, Ray worldRay, UIRayHit hit)
{
// save local and world frames
translateFrameL = target.GetLocalFrame(CoordSpace.ObjectCoords);
translateFrameW = target.GetLocalFrame(CoordSpace.WorldCoords);
translateAxisW = translateFrameW.GetAxis(nTranslationAxis);
// save t-value of closest point on translation axis, so we can find delta-t
Vector3 vWorldHitPos = hit.hitPos;
fTranslateStartT = MathUtil.ClosestPointOnLineT(
translateFrameW.Origin, translateAxisW, vWorldHitPos);
// construct plane we will ray-intersect with in UpdateCapture()
Vector3 vForward = Vector3.Cross(Camera.main.transform.up, translateAxisW);
raycastFrame = new Frame3(vWorldHitPos, vForward);
return(true);
}
// see comment as above
public bool FindUIHoverHit(Ray eyeRay, out UIRayHit bestHit)
{
bestHit = new UIRayHit();
UIRayHit sceneHit = null, cockpitHit = null;
bool bCockpitOnly = (options.EnableCockpit && activeCockpit.GrabFocus);
if (bCockpitOnly == false && scene.FindUIHoverRayIntersection(eyeRay, out sceneHit))
{
bestHit = sceneHit;
}
if (Use2DCockpit == false && options.EnableCockpit &&
activeCockpit.FindUIHoverRayIntersection(eyeRay, out cockpitHit))
{
if (cockpitHit.fHitDist < bestHit.fHitDist)
{
bestHit = cockpitHit;
}
}
return(bestHit.IsValid);
}
float fTranslateStartT; // start T-value along translateAxisW
public override bool BeginCapture(ITransformable target, Ray3f worldRay, UIRayHit hit)
{
// save local and world frames
translateFrameL = target.GetLocalFrame(CoordSpace.ObjectCoords);
translateFrameW = target.GetLocalFrame(CoordSpace.WorldCoords);
translateAxisW = translateFrameW.GetAxis(nTranslationAxis);
// save t-value of closest point on translation axis, so we can find delta-t
Vector3f vWorldHitPos = hit.hitPos;
fTranslateStartT = Distance.ClosestPointOnLineT(
translateFrameW.Origin, translateAxisW, vWorldHitPos);
// construct plane we will ray-intersect with in UpdateCapture()
Vector3f makeUp = Vector3f.Cross(Camera.main.transform.forward, translateAxisW).Normalized;
Vector3f vPlaneNormal = Vector3f.Cross(makeUp, translateAxisW).Normalized;
raycastFrame = new Frame3f(vWorldHitPos, vPlaneNormal);
return(true);
}
// 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);
}
public bool FindHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
return(FindRayIntersection(ray, out hit));
}
public abstract bool BeginCapture(ITransformable target, Ray worldRay, UIRayHit hit);
public static bool FindNearestHoverRayIntersection(IEnumerable <SceneUIElement> vElements, Ray3f ray, out UIRayHit hit)
{
hit = null;
foreach (var ui in vElements)
{
UIRayHit uiHit;
if (ui.EnableHover && ui.FindHoverRayIntersection(ray, out uiHit))
{
if (hit == null || uiHit.fHitDist < hit.fHitDist)
{
hit = uiHit;
}
}
}
return(hit != null);
}
public virtual bool FindHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
hit = null; return(false);
}
override public void UpdateHover(Ray3f ray, UIRayHit hit)
{
hovering = true;
}
// [RMS] I don't think we ever actually call these functions, do we??
// hover is sent directly to child that is ray-hit via above, right?
public void UpdateHover(Ray3f ray, UIRayHit hit)
{
throw new InvalidOperationException("HUDCollection.UpdateHover: how is this being called?");
}
public bool FindUIHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
return(HUDUtil.FindNearestHoverRayIntersection(vUIElements, ray, out hit));
}
public virtual void UpdateHover(Ray3f ray, UIRayHit hit)
{
}
public bool FindHoverRayIntersection(Ray3f ray, out UIRayHit hit)
{
return(HUDUtil.FindNearestHoverRayIntersection(Children, ray, out hit));
}