| public abstract GetPointerRadius ( float &enterRadius, float &exitRadius ) : void | ||
| enterRadius | float | |
| exitRadius | float | |
| return | void | |
public void GetPointerRadius(out float innerRadius, out float outerRadius)
{
GazePointer.GetPointerRadius(out innerRadius, out outerRadius);
}
private void HandleGaze()
{
// Retrieve GazePointer radius.
float innerRadius = 0.0f;
float outerRadius = 0.0f;
if (pointer != null)
{
pointer.GetPointerRadius(out innerRadius, out outerRadius);
}
// Find what object the user is looking at.
Vector3 intersectPosition;
IGvrGazeResponder target = null;
Ray intersectionRay;
GameObject targetObject = FindGazeTarget(innerRadius, out target, out intersectPosition, out intersectionRay);
// Found a target?
if (targetObject != null)
{
lastIntersectPosition = intersectPosition;
lastIntersectionRay = intersectionRay;
// Is the object new?
if (targetObject != currentGazeObject)
{
if (pointer != null)
{
pointer.OnPointerExit(currentGazeObject);
}
if (currentTarget != null)
{
// Replace with current object.
currentTarget.OnGazeExit();
}
// Save new object.
currentTarget = target;
currentGazeObject = targetObject;
// Inform pointer and target of gaze.
if (pointer != null)
{
pointer.OnPointerEnter(currentGazeObject, intersectPosition,
intersectionRay, currentTarget != null);
}
if (currentTarget != null)
{
currentTarget.OnGazeEnter();
}
}
else
{
// Same object, inform pointer of new intersection.
if (pointer != null)
{
pointer.OnPointerHover(currentGazeObject, intersectPosition,
intersectionRay, currentTarget != null);
}
}
}
else
{
// Failed to find an object by inner radius.
if (currentGazeObject != null)
{
// Already gazing an object? Check against outer radius.
if (IsGazeNearObject(outerRadius, currentGazeObject, out intersectPosition))
{
// Still gazing.
if (pointer != null)
{
pointer.OnPointerHover(currentGazeObject, intersectPosition,
intersectionRay, currentTarget != null);
}
}
else
{
// No longer gazing any object.
if (pointer != null)
{
pointer.OnPointerExit(currentGazeObject);
}
if (currentTarget != null)
{
currentTarget.OnGazeExit();
}
currentTarget = null;
currentGazeObject = null;
}
}
}
}