// Instantiates and places object at provided position and normal of a surface.
public bool objPlacement(GameObject objToPlace, Vector3 placementPosition, Vector3 surfaceNormal)
{
if (creationLock)
{
return(false);
}
if (spawnedObjects.Count > spawnLimit)
{
return(false);
}
GameObject newInstance = Instantiate(objToPlace, LeftCamera.transform.position, LeftCamera.transform.rotation);
spawnedObjects.Add(newInstance);
surfacePlacementManager.GetComponent <SurfacePlacementManager>().attachToSomeSurface(newInstance, placementPosition, surfaceNormal);
// Lock creation of new game objects for a short period
if (creationLockInterval > 0 && !creationLock)
{
StartCoroutine(InstanceCreationLock());
}
return(true);
}
// Handle menu spawning and attachment
// Attach the menu to the position the finger is plus an offset so that it doesnt spawn on the hand itself
// Make the menu face the normal direction of hand's palm instead of finger
bool handleMenuGesture(Hand hand)
{
Finger pointer = leapGestures.getFingerOfType(hand.Fingers, menuSign[0]);
Vector3 fingerPos = UnityVectorExtension.ToVector3(pointer.TipPosition);
Vector3 palmNormal = UnityVectorExtension.ToVector3(hand.PalmNormal);
float offset;
if (hand.IsLeft)
{
offset = .3f;
}
else
{
offset = -.3f;
}
Vector3 positionOffset = new Vector3(fingerPos.x + offset, fingerPos.y, fingerPos.z);
surfacePlacementManager.GetComponent <SurfacePlacementManager>().attachToSomeSurface(leapGestures.menuObject, positionOffset, palmNormal);
return(true);
}
// Start is called before the first frame update
void Start()
{
crosshair = GetComponent <Text>();
spm = FindObjectOfType(typeof(SurfacePlacementManager)) as SurfacePlacementManager;
spm = spm.GetComponent <SurfacePlacementManager>();
}
// Handle index finger pointing action
// First clear and draw a new pointer line
// Check if you're pointing at a portal. If you are pointing at a portal for long enough, handle moving the portal around.
// Check if you're pointing at a plane. If you are, create a blue/orange marker on that plane, depending on your right/left hand.
// Markers will timeout if the portal spawn gesture isnt done soon enough.
// Left hand = orange marker for orange portal, right = blue.
void handlePointMarker(Hand hand)
{
Finger pointer = leapGestures.getFingerOfType(hand.Fingers, indexPointingOnly[0]);
Vector3 fingerPos = UnityVectorExtension.ToVector3(pointer.TipPosition);
Vector3 fingerDir = UnityVectorExtension.ToVector3(pointer.Direction);
if (hand.IsLeft)
{
drawPointer(fingerPos, fingerDir, ref leftPointer);
}
else
{
drawPointer(fingerPos, fingerDir, ref rightPointer);
}
// Move portal instead of dealing with markers
if (portalMove)
{
movePortal(fingerPos, fingerDir);
return;
}
// Raycast in advance to see what we're pointing at
RaycastHit hit;
int castDistance = 20;
Physics.Raycast(fingerPos, fingerDir * castDistance, out hit);
if (hit.collider == null)
{
return;
}
// If pointing at a portal
if (hit.collider != null && hit.collider.gameObject.tag == portalTag)
{
pointingAtPortalTimeCurrent += Time.deltaTime;
if (pointingAtPortalTimeCurrent > pointingAtPortalTime)
{
moveablePortal = hit.collider.gameObject;
portalMove = true;
portalDistance = hit.distance;
pointingAtPortalTimeCurrent = 0f;
}
return;
}
// If pointing at a ZEDPlane, do marker placing.
if (!surfacePlacementManager.GetComponent <SurfacePlacementManager>().checkIfHitPlane(hit))
{
return;
}
if (leapGestures.planeMarkerRight != null && hand.IsRight)
{
// Disable any old timers that may be running
if (markerTimeoutRight != null)
{
StopCoroutine(markerTimeoutRight);
}
surfacePlacementManager.GetComponent <SurfacePlacementManager>().attachToPlaneFromWorldSpace(leapGestures.planeMarkerRight, hit);
markerTimeoutRight = markerTimeout(leapGestures.planeMarkerRight);
StartCoroutine(markerTimeoutRight);
}
else if (leapGestures.planeMarkerLeft != null && hand.IsLeft)
{
// Disable any old timers that may be running
if (markerTimeoutLeft != null)
{
StopCoroutine(markerTimeoutLeft);
}
surfacePlacementManager.GetComponent <SurfacePlacementManager>().attachToPlaneFromWorldSpace(leapGestures.planeMarkerLeft, hit);
markerTimeoutLeft = markerTimeout(leapGestures.planeMarkerLeft);
StartCoroutine(markerTimeoutLeft);
}
}