protected override void OnSessionBegin()
{
Camera focusCamera = RTFocusCamera.Get.TargetCamera;
_adjustRotationForAbsSnap = false;
GizmoHoverInfo gizmoHoverInfo = RTGizmosEngine.Get.HoveredGizmo.HoverInfo;
if (gizmoHoverInfo.HandleDimension == GizmoDimension.Dim3D)
{
float t;
Ray ray = RTInputDevice.Get.Device.GetRay(focusCamera);
if (_rotationPlane.Raycast(ray, out t))
{
Vector3 intersectPoint = ray.GetPoint(t);
Vector3 toHoverPoint = (intersectPoint - _workData.RotationPlanePos);
Vector3 circleTangent3D = Vector3.Cross(_workData.Axis, toHoverPoint);
Vector2 screenTangentBegin = focusCamera.WorldToScreenPoint(intersectPoint);
Vector2 screenTangentEnd = focusCamera.WorldToScreenPoint(intersectPoint + circleTangent3D);
_screenDragCircleTangent = (screenTangentEnd - screenTangentBegin).normalized;
}
}
else
{
Vector2 inputDevicePos = RTInputDevice.Get.Device.GetPositionYAxisUp();
Vector2 screenPtOnPlane = focusCamera.WorldToScreenPoint(_workData.RotationPlanePos);
_screenDragCircleTangent = (inputDevicePos - screenPtOnPlane).GetNormal();
}
}
public void UpdateHandleHoverInfo_SystemCall(GizmoHoverInfo hoverInfo)
{
if (!IsEnabled || IsDragged)
{
return;
}
bool wasHovered = _hoverInfo.IsHovered;
int prevHoveredHandleId = _hoverInfo.HandleId;
_hoverInfo.Reset();
_hoveredHandle = null;
if (hoverInfo.IsHovered && hoverInfo.HandleId != GizmoHandleId.None)
{
_hoverInfo.IsHovered = true;
_hoverInfo.HandleId = hoverInfo.HandleId;
_hoverInfo.HoverPoint = hoverInfo.HoverPoint;
_hoveredHandle = _handles.GetHandleById(hoverInfo.HandleId);
_hoverInfo.HandleDimension = hoverInfo.HandleDimension;
}
if (wasHovered && !_hoverInfo.IsHovered)
{
if (PreHoverExit != null)
{
PreHoverExit(this, prevHoveredHandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoHoverExit(prevHoveredHandleId);
}
}
if (PostHoverExit != null)
{
PostHoverExit(this, prevHoveredHandleId);
}
}
else if (!wasHovered && _hoverInfo.IsHovered)
{
if (PreHoverEnter != null)
{
PreHoverEnter(this, _hoverInfo.HandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoHoverEnter(_hoverInfo.HandleId);
}
}
if (PostHoverEnter != null)
{
PostHoverEnter(this, _hoverInfo.HandleId);
}
}
else
if (wasHovered && _hoverInfo.IsHovered)
{
if (prevHoveredHandleId != _hoverInfo.HandleId)
{
if (PreHoverExit != null)
{
PreHoverExit(this, prevHoveredHandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoHoverExit(prevHoveredHandleId);
}
}
if (PostHoverExit != null)
{
PostHoverExit(this, prevHoveredHandleId);
}
}
if (PreHoverEnter != null)
{
PreHoverEnter(this, _hoverInfo.HandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoHoverEnter(_hoverInfo.HandleId);
}
}
if (PostHoverEnter != null)
{
PostHoverEnter(this, _hoverInfo.HandleId);
}
}
}
