void OnSelectionChanged()
{
if (EditorTools.EditorTools.IsActiveTool(this))
{
polyUtility.StopEditing();
}
var collider = target as Collider2D;
if (EditorTools.EditorTools.IsActiveTool(this) && IsAvailable() && collider != null)
{
polyUtility.StartEditing(collider);
}
}
void OnActiveToolChanging()
{
if (EditorTools.EditorTools.IsActiveTool(this))
{
m_PolyUtility.StopEditing();
}
}
void TryEndEditing()
{
if (EditorTools.EditorTools.IsActiveTool(this))
{
m_PolyUtility.StopEditing();
m_AdjacentEdgeUtility.StopEditing();
}
}
// Copy collider from sprite if it is drag&dropped to the inspector
private void HandleDragAndDrop(Rect targetRect)
{
if (Event.current.type != EventType.DragPerform && Event.current.type != EventType.DragUpdated)
{
return;
}
// Check we're dropping onto the polygon collider editor.
if (!targetRect.Contains(Event.current.mousePosition))
{
return;
}
foreach (var obj in DragAndDrop.objectReferences.Where(obj => obj is Sprite || obj is Texture2D))
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (Event.current.type == EventType.DragPerform)
{
var sprite = obj is Sprite ? obj as Sprite : SpriteUtility.TextureToSprite(obj as Texture2D);
// Copy collider to all selected components
foreach (var collider in targets.Select(target => target as PolygonCollider2D))
{
Vector2[][] paths;
UnityEditor.Sprites.SpriteUtility.GenerateOutlineFromSprite(sprite, 0.25f, 200, true, out paths);
collider.pathCount = paths.Length;
for (int i = 0; i < paths.Length; ++i)
{
collider.SetPath(i, paths[i]);
}
// Stop editing
m_PolyUtility.StopEditing();
DragAndDrop.AcceptDrag();
}
}
return;
}
DragAndDrop.visualMode = DragAndDropVisualMode.Rejected;
}
protected override void OnEditEnd()
{
m_PolyUtility.StopEditing();
}