private void RotateToTarget()
{
var vectorToArrowPosition = arrow.transform.position;
var rotH = Quaternion.AngleAxis(hAngle, Vector3.up);
var vectorToAttentionPoint = rotH * new Vector3(-1, 0, 0); // Vector3.forward;
var horAngleBeteenArrowAndTargetPoint = Vector2.SignedAngle(new Vector2(vectorToAttentionPoint.x, vectorToAttentionPoint.z), new Vector2(vectorToArrowPosition.x, vectorToArrowPosition.z));
if (horAngleBeteenArrowAndTargetPoint > 90 || horAngleBeteenArrowAndTargetPoint < -90)
{
// the target is on the other side - need to point left/right to assure arrow does't point over the top/bottom of sphere based on nearest bearing
if (horAngleBeteenArrowAndTargetPoint > 0)
{
arrow.transform.localRotation = Quaternion.Euler(new Vector3(90, 0, -90));
}
else
{
arrow.transform.localRotation = Quaternion.Euler(new Vector3(-90, 0, -90));
}
}
else
{
// target is on this side of the sphere - make the arrow point to the correct bearing
var longLatsForArrowPosition = AngleHelperMethods.PositionToLonLat(vectorToArrowPosition); // GetLatLongForEyePosition(vectorToEyePosition);
//Debug.LogError(longLatsForEyePosition);
var longLatsForAttentionPosition = new Vector2(hAngle, vAngle);
var bearingToTarget = GetBearingForLongLats(horAngleBeteenArrowAndTargetPoint, longLatsForArrowPosition, longLatsForAttentionPosition);
arrow.transform.localRotation = Quaternion.Euler(new Vector3(bearingToTarget, 0, -90));
}
}
// From https://github.com/Mouledoux/ConnectedHome/blob/master/Assets/Scripts/TargetIndicator.cs
private void UpdatePositionWithinFov()
{
var newPos = GetScreenPointOfAttentionTarget(target);
var leftEyeCam = leftEyeCamera.GetComponent <Camera>();
var clampedPos = new Vector2();
clampedPos.x = Mathf.Clamp(newPos.x, m_edgeBufferWidth, leftEyeCam.scaledPixelWidth - m_edgeBufferWidth); // (val, min, max)
clampedPos.y = Mathf.Clamp(newPos.y, m_edgeBufferHeight, leftEyeCam.scaledPixelHeight - m_edgeBufferHeight);
if (clampedPos.x != newPos.x || clampedPos.y != newPos.y)
{
// the target doesn't fall inside the viewport, so we should place flicker on bearing to target on sphere
var vectorToAttentionPoint = target.transform.position;
var vectorToHeadPosition = leftEyeCamera.transform.forward;
var horAngleBeteenHeadAndTargetPoint = Vector2.SignedAngle(new Vector2(vectorToAttentionPoint.x, vectorToAttentionPoint.z), new Vector2(vectorToHeadPosition.x, vectorToHeadPosition.z));
//Debug.LogError(horAngleBeteenHeadAndTargetPoint);
if (horAngleBeteenHeadAndTargetPoint > 90 || horAngleBeteenHeadAndTargetPoint < -90)
{
// the target is on the other side - need to point left/right to assure arrow does't point over the top/bottom of sphere based on nearest bearing
if (horAngleBeteenHeadAndTargetPoint > 0)
{
tangentRotate.transform.localRotation = Quaternion.Euler(new Vector3(0, 90f, 0f));
}
else
{
tangentRotate.transform.localRotation = Quaternion.Euler(new Vector3(180f, 90f, 0f));
}
}
else
{
var longLatForHead = AngleHelperMethods.PositionToLonLat(leftEyeCamera.transform.forward);
var longLatForTarget = AngleHelperMethods.PositionToLonLat(vectorToAttentionPoint);
var bearingToTarget = GetBearingForLongLats(horAngleBeteenHeadAndTargetPoint, longLatForHead, longLatForTarget);
// DEBUG: THIS DOESNT SEEM TO WORK QUITE RIGHT - but is it enough for a pilot study?
// Actually this totally does work - the issue seems to be later, when we clamp the value to the screen fov
var rollOfCamera = leftEyeCamera.transform.rotation.eulerAngles.z;
tangentRotate.transform.localRotation = Quaternion.Euler(bearingToTarget - 90f + rollOfCamera, 90f, 0f);
}
newPos = GetScreenPointInDirection(leftEyeCam, tangentRotate.transform.position, tangentPoint.transform.position);
clampedPos.x = Mathf.Clamp(newPos.x, m_edgeBufferWidth, leftEyeCam.scaledPixelWidth - m_edgeBufferWidth); // (val, min, max)
clampedPos.y = Mathf.Clamp(newPos.y, m_edgeBufferHeight, leftEyeCam.scaledPixelHeight - m_edgeBufferHeight);
}
Ray rayToSceneFlicker = leftEyeCam.ScreenPointToRay(clampedPos);
Debug.DrawRay(rayToSceneFlicker.origin, rayToSceneFlicker.direction, Color.green, 1f);
SetAnglesForFlicker(rayToSceneFlicker);
//m_icon.transform.position = newPos;
}
private void SetAnglesForFlicker(Ray rayToSceneFlicker)
{
// var rotation = Quaternion.FromToRotation(camera.transform.forward, rayToSceneFlicker.direction);
var oldLatLong = AngleHelperMethods.PositionToLonLat(transform.position);
var newLatLong = AngleHelperMethods.PositionToLonLat(rayToSceneFlicker.direction);
var longChange = oldLatLong.x - newLatLong.x;
var latChange = oldLatLong.y - newLatLong.y;
// Debug.LogError("long change: " + longChange);
// Debug.LogError("lat change: " + latChange);
var up = new Vector3(0, 1, 0);
transform.RotateAround(Vector3.zero, up, longChange * -1f);
transform.RotateAround(Vector3.zero, transform.forward, latChange);
}