protected override void OnHandleDragging(HandleEventData eventData)
{
var rayOrigin = eventData.rayOrigin;
var lastPosition = m_LastPositions[rayOrigin];
var worldPosition = lastPosition;
float distance;
var ray = eventData.GetRay();
if (m_Plane.Raycast(ray, out distance))
{
worldPosition = ray.GetPoint(Mathf.Min(Mathf.Abs(distance), k_MaxDragDistance * this.GetViewerScale()));
}
var deltaPosition = worldPosition - lastPosition;
m_LastPositions[rayOrigin] = worldPosition;
deltaPosition = transform.InverseTransformVector(deltaPosition);
deltaPosition.z = 0;
deltaPosition = transform.TransformVector(deltaPosition);
eventData.deltaPosition = deltaPosition;
base.OnHandleDragging(eventData);
}
protected override void OnHandleDragging(HandleEventData eventData)
{
var rayOrigin = eventData.rayOrigin;
var lastPosition = m_LastPositions[rayOrigin];
var lastDragForward = m_LastRayDirection[rayOrigin];
var worldPosition = lastPosition;
float distance;
var ray = eventData.GetRay();
if (m_Plane.Raycast(ray, out distance))
{
worldPosition = ray.GetPoint(Mathf.Abs(distance));
}
var thisTransform = transform;
var up = thisTransform.up;
var dragTangent = Vector3.Cross(up, (startDragPositions[rayOrigin] - thisTransform.position).normalized);
var angle = m_TurnSpeed * Vector3.Angle(ray.direction, lastDragForward) *
Vector3.Dot((worldPosition - lastPosition).normalized, dragTangent);
eventData.deltaRotation = Quaternion.AngleAxis(angle, up);
m_LastPositions[rayOrigin] = worldPosition;
m_LastRayDirection[rayOrigin] = ray.direction;
base.OnHandleDragging(eventData);
}
Vector3 GetRayPoint(HandleEventData eventData)
{
return(eventData.GetRay().GetPoint(m_CurrentRadius));
}
