private void Update()
{
// First case handles when the map is selected and being dragged and/or zoomed.
var isPanning = _pointer != null;
if (isPanning &&
CoreServices.InputSystem.FocusProvider.TryGetFocusDetails(_pointer, out FocusDetails focusDetails))
{
// Now we can raycast an imaginary plane orignating from the updated _targetPointInLocalSpace.
var rayPositionInMapLocalSpace = _mapRenderer.transform.InverseTransformPoint(_pointer.Position);
var rayDirectionInMapLocalSpace = _mapRenderer.transform.InverseTransformDirection(_pointer.Rotation * Vector3.forward).normalized;
var rayInMapLocalSpace = new Ray(rayPositionInMapLocalSpace, rayDirectionInMapLocalSpace.normalized);
var hitPlaneInMapLocalSpace = new Plane(Vector3.up, _targetPointInLocalSpace);
if (hitPlaneInMapLocalSpace.Raycast(rayInMapLocalSpace, out float enter))
{
// This point will be used to determine how much to translate the map.
// Decaying the resulting position applies some smoothing to the input.
var panSmoothness = Mathf.Lerp(0.0f, 0.5f, _panSmoothness);
_currentPointInLocalSpace =
DynamicExpDecay(_currentPointInLocalSpace, rayInMapLocalSpace.GetPoint(enter), panSmoothness);
}
// Reconstruct ray from pointer position to focus details.
var rayTargetPoint = _mapRenderer.transform.TransformPoint(_currentPointInLocalSpace);
var ray = new Ray(_pointer.Position, (rayTargetPoint - _pointer.Position).normalized);
var zoomToApply = ComputeZoomToApply();
_mapInteractionController.PanAndZoom(ray, _targetPointInMercator, _startingAltitudeInMeters, zoomToApply);
// Update starting point so that the focus point tracks with this point.
_targetPointInLocalSpace =
_mapRenderer.TransformMercatorWithAltitudeToLocalPoint(_targetPointInMercator, _startingAltitudeInMeters);
// Also override the FocusDetails so that the pointer ray tracks the target coordinate.
focusDetails.Point = _mapRenderer.transform.TransformPoint(_targetPointInLocalSpace);
focusDetails.PointLocalSpace = _targetPointInLocalSpace;
CoreServices.InputSystem.FocusProvider.TryOverrideFocusDetails(_pointer, focusDetails);
}
else if (_zoomPointer != null && _isFocused) // This case handles when the map is just focused, not selected, and being zoomed.
{
var zoomToApply = ComputeZoomToApply();
if (zoomToApply != 0)
{
var pointerRayPosition = _zoomPointer.Position;
var pointerRayDirection = (_zoomPointer.Rotation * Vector3.forward).normalized;
_mapInteractionController.Zoom(zoomToApply, new Ray(pointerRayPosition, pointerRayDirection));
}
}
}
private void Update()
{
// First case handles when the map is selected and being dragged and/or zoomed.
if (_isInteracting &&
_pointer != null &&
CoreServices.InputSystem.FocusProvider.TryGetFocusDetails(_pointer, out var focusDetails) &&
focusDetails.Object == gameObject)
{
// The current point the ray is targeting has been calculated in OnPointerDragged. Smooth it here.
var panSmoothness = Mathf.Lerp(0.0f, 0.5f, _panSmoothness);
_smoothedPointInLocalSpace = DynamicExpDecay(_smoothedPointInLocalSpace, _currentPointInLocalSpace, panSmoothness);
// Reconstruct ray from pointer position to focus details.
var rayTargetPoint = MapRenderer.transform.TransformPoint(_smoothedPointInLocalSpace);
var ray = new Ray(_pointer.Position, (rayTargetPoint - _pointer.Position).normalized);
MapInteractionController.PanAndZoom(ray, _targetPointInMercator, _targetAltitudeInMeters, ComputeZoomToApply());
// Update starting point so that the focus point tracks with this point.
_targetPointInLocalSpace =
MapRenderer.TransformMercatorWithAltitudeToLocalPoint(_targetPointInMercator, _targetAltitudeInMeters);
// Also override the FocusDetails so that the pointer ray tracks the target coordinate.
focusDetails.Point = MapRenderer.transform.TransformPoint(_targetPointInLocalSpace);
focusDetails.PointLocalSpace = _targetPointInLocalSpace;
CoreServices.InputSystem.FocusProvider.TryOverrideFocusDetails(_pointer, focusDetails);
// Reset timings used for tap-and-hold and double tap.
_lastPointerDownTime = float.MaxValue;
_lastClickTime = float.MinValue;
}
else if (_zoomPointer != null && _isFocused) // This case handles when the map is just focused, not selected, and being zoomed.
{
var zoomToApply = ComputeZoomToApply();
if (zoomToApply != 0)
{
if (!_isInteracting)
{
_isInteracting = true;
MapInteractionController.OnInteractionStarted?.Invoke();
}
var pointerRayPosition = _zoomPointer.Position;
var pointerRayDirection = (_zoomPointer.Rotation * Vector3.forward).normalized;
MapInteractionController.Zoom(zoomToApply, new Ray(pointerRayPosition, pointerRayDirection));
// Reset timings used for tap-and-hold and double tap.
_lastPointerDownTime = float.MaxValue;
_lastClickTime = float.MinValue;
}
else
{
if (_zoomPointer != null && _isInteracting)
{
// We were zooming last frame. End the interaction.
MapInteractionController.OnInteractionEnded?.Invoke();
_isInteracting = false;
_zoomPointer = null;
}
}
}
else
{
if (_isInteracting)
{
// Last frame there was interaction happening. This is the first frame where the interaction has ended.
MapInteractionController.OnInteractionEnded?.Invoke();
_isInteracting = false;
}
}
// Check for a tap and hold.
if (_pointer != null && (Time.time - _lastPointerDownTime) > TapAndHoldThresholdInSeconds)
{
MapInteractionController.OnTapAndHold?.Invoke(new LatLonAlt(_targetPointInMercator.ToLatLon(), _targetAltitudeInMeters));
// Reset timings used for tap-and-hold and double tap.
_lastPointerDownTime = float.MaxValue;
_lastClickTime = float.MinValue;
}
}
