private Vector2 CalculateCollisionEscapeOffset(OverlayEntity[] movers)
{
Vector2 escapeOffset = Vector2.zero;
for (int index = 0; index < movers.Length; index++)
{
OverlayEntity other = movers[index];
if (other != this && Overlaps(CornerArray, other.CornerArray))
{
if (Vector2.Distance(RectCenter, other.RectCenter) <= 0)
{
escapeOffset += GetRandomDirection();
}
else
{
escapeOffset += RectCenter - other.RectCenter;
}
if (_settings.RemainWithinBounds && DistanceFromParentCenter() < other.DistanceFromParentCenter())
{
escapeOffset += ParentCenter - RectCenter;
}
}
}
return(escapeOffset);
}
private void ApplyDistanceScaling(OverlayEntity entity)
{
if (Settings.UseDistanceScaling == false || entity.Target == null)
{
return;
}
var settings = Settings.DistanceScaleSettings;
if (settings.Furthest == settings.Closest)
{
return;
}
// Calculate the scale with a linear equation.
float x = Mathf.Clamp(entity.TargetDistanceFromCamera(), settings.Closest, settings.Furthest);
float k = (settings.FurthestScale - settings.ClosestScale) / (settings.Furthest - settings.Closest);
float m = settings.FurthestScale - k * settings.Furthest;
float scale = k * x + m;
entity.transform.localScale = Vector3.one * scale;
}
/// <summary>
/// Removes an entity from the system.
/// </summary>
public void UnsubscribeEntity(OverlayEntity entity)
{
_entities.Remove(entity);
}
/// <summary>
/// Adds the entity to the system.
/// </summary>
public void SubscribeEntity(OverlayEntity entity)
{
_entities.Add(entity);
entity.PrepareForPositionUpdate(_cornerArray, UsedCamera, _settings);
}