/// <summary>
/// Restore the color of the touchable object that just leaves the picker.
/// </summary>
/// <param name="touchable">Touchable object whose color will be restored.</param>
private void RestoreTouchableObjectColorUponExit(ITouchable touchable)
{
// Equals is overridden by MonoBehaviour, so can be used to check if the game object
// has been destroyed.
if (touchable == null || touchable.Equals(null))
{
return;
}
Transform touchableTransform = touchable.BindedGameObject.transform;
Renderer renderer = touchableTransform.GetComponent <Renderer>();
if (renderer != null && _rendererToRefCountDict.ContainsKey(renderer))
{
RestoreRendererColor(renderer);
}
// Restore color for the renderers of the touchable and its children.
foreach (Transform child in touchableTransform)
{
renderer = child.GetComponent <Renderer>();
if (renderer == null)
{
continue;
}
if (!_rendererToRefCountDict.ContainsKey(renderer))
{
continue;
}
RestoreRendererColor(renderer);
}
}
/// <summary>
/// Change the color of the touchable object that first comes into contact with
/// the picker.
/// </summary>
/// <param name="touchable">The touchable that first comes into contact.</param>
private void ChangeTouchableObjectColorUponEnter(ITouchable touchable)
{
if (touchable == null || touchable.Equals(null))
{
// Touchable may have been destroyed
return;
}
Transform touchableTransform = touchable.BindedGameObject.transform;
Renderer renderer = touchableTransform.GetComponent <Renderer>();
// Change color for all renderers of the object and its children.
if (renderer != null)
{
ChangeRendererColor(renderer, touchable.IndicatedColorOnTouching);
}
foreach (Transform child in touchableTransform)
{
renderer = child.GetComponent <Renderer>();
if (renderer == null)
{
continue;
}
ChangeRendererColor(renderer, touchable.IndicatedColorOnTouching);
}
}
