/// <summary>
/// Convenience function for cloning PointerEventData
/// </summary>
/// <param name="from">Copy this value</param>
/// <param name="to">to this object</param>
protected void CopyFromTo(OSVRRayPointerEventData @from, OSVRRayPointerEventData @to)
{
@to.position = @from.position;
@to.delta = @from.delta;
@to.scrollDelta = @from.scrollDelta;
@to.pointerCurrentRaycast = @from.pointerCurrentRaycast;
@to.pointerEnter = @from.pointerEnter;
@to.worldSpaceRay = @from.worldSpaceRay;
}
/// <summary>
/// The purpose of this function is to allow us to switch between using the standard IsPointerMoving
/// method for mouse driven pointers, but to always return true when it's a ray based pointer.
/// All real-world ray-based input devices are always moving so for simplicity we just return true
/// for them.
///
/// If PointerEventData.IsPointerMoving was virtual we could just override that in
/// OSVRRayPointerEventData.
/// </summary>
/// <param name="pointerEvent"></param>
/// <returns></returns>
static bool IsPointerMoving(PointerEventData pointerEvent)
{
OSVRRayPointerEventData rayPointerEventData = pointerEvent as OSVRRayPointerEventData;
if (rayPointerEventData != null)
{
return(true);
}
else
{
return(pointerEvent.IsPointerMoving());
}
}
protected bool GetPointerData(int id, out OSVRRayPointerEventData data, bool create)
{
if (!m_VRRayPointerData.TryGetValue(id, out data) && create)
{
data = new OSVRRayPointerEventData(eventSystem)
{
pointerId = id,
};
m_VRRayPointerData.Add(id, data);
return(true);
}
return(false);
}
/// <summary>
/// Perform a raycast using the worldSpaceRay in eventData.
/// </summary>
/// <param name="eventData"></param>
/// <param name="resultAppendList"></param>
public override void Raycast(PointerEventData eventData, List <RaycastResult> resultAppendList)
{
// This function is closely based on PhysicsRaycaster.Raycast
if (eventCamera == null)
{
return;
}
OSVRRayPointerEventData rayPointerEventData = eventData as OSVRRayPointerEventData;
if (rayPointerEventData == null)
{
return;
}
var ray = rayPointerEventData.worldSpaceRay;
float dist = eventCamera.farClipPlane - eventCamera.nearClipPlane;
var hits = Physics.RaycastAll(ray, dist, finalEventMask);
if (hits.Length > 1)
{
System.Array.Sort(hits, (r1, r2) => r1.distance.CompareTo(r2.distance));
}
if (hits.Length != 0)
{
for (int b = 0, bmax = hits.Length; b < bmax; ++b)
{
var result = new RaycastResult
{
gameObject = hits[b].collider.gameObject,
module = this,
distance = hits[b].distance,
index = resultAppendList.Count,
worldPosition = hits[0].point,
worldNormal = hits[0].normal,
};
resultAppendList.Add(result);
}
}
}
