public void snaps_begin_grab(SceneObject so)
{
if (EnableSnapping == false)
{
return;
}
Snaps.IgnoreSet.Add(so);
Snaps.AddToActive(cockpit.Scene.Selected);
Snaps.AddToActive(cockpit.Scene.Find((x) => x is PivotSO));
cockpit.Scene.AddUIElement(SnapHelper);
}
// update snaps
private void Scene_SelectionChangedEvent(object sender, EventArgs e)
{
// update active snap set based on new selection
var selected = scene.Selected;
Snaps.ClearActive();
foreach (SceneObject so in selected)
{
if (so is PivotSO || Snaps.IgnoreSet.Contains(so))
{
continue;
}
Snaps.AddToActive(so);
}
Snaps.AddToActive(scene.Find((x) => x is PivotSO));
}
override protected void OnUpdateCapture(Ray3f worldRay, Standard3DWidget w)
{
SceneObject hitSO = null;
SORayHit hit;
IEnumerable <SceneObject> targetSOs = this.targets;
if (parentScene.FindSORayIntersection(worldRay, out hit, (x) => ((x is PivotSO) == false) && (targetSOs.Contains(x) == false)))
{
hitSO = hit.hitSO;
}
if (hitSO != null && hitSO != curActiveSO)
{
Snaps.RemoveFromActive(curActiveSO);
Snaps.AddToActive(hitSO);
curActiveSO = hitSO;
}
}