protected virtual void OnSceneGUI()
{
NearInteractionTouchable t = (NearInteractionTouchable)target;
if (Event.current.type == EventType.Repaint)
{
UnityEditor.Handles.color = handleColor;
Vector3 center = t.transform.TransformPoint(t.localCenter);
float arrowSize = UnityEditor.HandleUtility.GetHandleSize(center) * 0.75f;
UnityEditor.Handles.ArrowHandleCap(0, center, Quaternion.LookRotation(t.transform.rotation * t.localForward), arrowSize, EventType.Repaint);
Vector3 rightDelta = t.transform.localToWorldMatrix.MultiplyVector(t.LocalRight * t.bounds.x / 2);
Vector3 upDelta = t.transform.localToWorldMatrix.MultiplyVector(t.localUp * t.bounds.y / 2);
Vector3[] points = new Vector3[4];
points[0] = center + rightDelta + upDelta;
points[1] = center - rightDelta + upDelta;
points[2] = center - rightDelta - upDelta;
points[3] = center + rightDelta - upDelta;
UnityEditor.Handles.DrawSolidRectangleWithOutline(points, fillColor, handleColor);
}
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
NearInteractionTouchable t = (NearInteractionTouchable)target;
RectTransform rt = t.GetComponent <RectTransform>();
if (rt != null)
{
// Resize Helper
if (rt.sizeDelta != t.bounds)
{
UnityEditor.EditorGUILayout.HelpBox("Bounds do not match the RectTransform size", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Bounds"))
{
UnityEditor.Undo.RecordObject(t, "Fix Bounds");
t.bounds = rt.sizeDelta;
}
}
if (t.GetComponentInParent <Canvas>() != null && t.localForward != new Vector3(0, 0, -1))
{
UnityEditor.EditorGUILayout.HelpBox("Unity UI generally has forward facing away from the front. The LocalForward direction specified does not match the expected forward direction.", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Forward Direction"))
{
UnityEditor.Undo.RecordObject(t, "Fix Forward Direction");
t.localForward = new Vector3(0, 0, -1);
}
}
}
}
public override void OnPreSceneQuery()
{
if (Rays == null)
{
Rays = new RayStep[1];
}
// Check proximity
NearInteractionTouchable newClosestTouchable = null;
{
closestDistance = distFront; // NOTE: Start at distFront for cutoff
foreach (var prox in NearInteractionTouchable.Instances)
{
if (prox.ColliderEnabled)
{
float dist = prox.DistanceToSurface(Position);
if (dist < closestDistance)
{
closestDistance = dist;
newClosestTouchable = prox;
}
}
}
}
// Determine ray direction
Vector3 rayDirection = Rotation * Vector3.forward;
if (newClosestTouchable != null)
{
rayDirection = -newClosestTouchable.Forward;
}
// Build ray (poke from in front to the back of the pointer position)
Vector3 start = Position - distBack * rayDirection;
Vector3 end = Position + distFront * rayDirection;
Rays[0].UpdateRayStep(ref start, ref end);
// Check if the currently touched object is still part of the new touchable.
if (currentTouchableObjectDown != null)
{
if (!IsObjectPartOfTouchable(currentTouchableObjectDown, newClosestTouchable))
{
TryRaisePokeUp(Result.CurrentPointerTarget, Position);
}
}
line.SetPosition(0, Position);
line.SetPosition(1, end);
// Set new touchable only now: If we have to raise a poke-up event for the previous touchable object,
// we need to to so using the previous touchable in TryRaisePokeUp().
closestProximityTouchable = newClosestTouchable;
IsActive = IsNearObject;
visuals.SetActive(IsNearObject);
}
private static bool IsObjectPartOfTouchable(GameObject targetObject, NearInteractionTouchable touchable)
{
return(targetObject != null && touchable != null &&
(targetObject == touchable.gameObject ||
// Descendant game objects are touchable as well. In particular, this is needed to be able to send
// touch events to Unity UI control elements.
(targetObject.transform != null && touchable.gameObject.transform != null &&
targetObject.transform.IsChildOf(touchable.gameObject.transform))));
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
NearInteractionTouchable t = (NearInteractionTouchable)target;
BoxCollider bc = t.GetComponent <BoxCollider>();
RectTransform rt = t.GetComponent <RectTransform>();
if (bc != null)
{
// project size to local coordinate system
Vector2 adjustedSize = new Vector2(
Math.Abs(Vector3.Dot(bc.size, t.LocalRight)),
Math.Abs(Vector3.Dot(bc.size, t.LocalUp)));
// Resize helper
if (adjustedSize != t.Bounds)
{
UnityEditor.EditorGUILayout.HelpBox("Bounds do not match the BoxCollider size", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Bounds"))
{
UnityEditor.Undo.RecordObject(t, "Fix Bounds");
t.Bounds = adjustedSize;
}
}
// Recentre helper
if (t.LocalCenter != bc.center + Vector3.Scale(bc.size / 2.0f, t.LocalForward))
{
UnityEditor.EditorGUILayout.HelpBox("Center does not match the BoxCollider center", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Center"))
{
UnityEditor.Undo.RecordObject(t, "Fix Center");
t.LocalCenter = bc.center + Vector3.Scale(bc.size / 2.0f, t.LocalForward);
}
}
}
else if (rt != null)
{
// Resize Helper
if (rt.sizeDelta != t.Bounds)
{
UnityEditor.EditorGUILayout.HelpBox("Bounds do not match the RectTransform size", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Bounds"))
{
UnityEditor.Undo.RecordObject(t, "Fix Bounds");
t.Bounds = rt.sizeDelta;
}
}
if (t.GetComponentInParent <Canvas>() != null && t.LocalForward != new Vector3(0, 0, -1))
{
UnityEditor.EditorGUILayout.HelpBox("Unity UI generally has forward facing away from the front. The LocalForward direction specified does not match the expected forward direction.", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Forward Direction"))
{
UnityEditor.Undo.RecordObject(t, "Fix Forward Direction");
t.SetLocalForward(new Vector3(0, 0, -1));
}
}
}
// Perpendicular forward/up vectors helpers
if (!t.AreLocalVectorsOrthogonal)
{
UnityEditor.EditorGUILayout.HelpBox("Local Forward and Local Up are not perpendicular.", UnityEditor.MessageType.Warning);
if (GUILayout.Button("Fix Local Up"))
{
UnityEditor.Undo.RecordObject(t, "Fix Local Up");
t.SetLocalForward(t.LocalForward);
}
if (GUILayout.Button("Fix Local Forward"))
{
UnityEditor.Undo.RecordObject(t, "Fix Local Forward");
t.SetLocalUp(t.LocalUp);
}
}
}
