private static bool TestFor_AABB(TrackedObjectData item, Vector2 min, Vector2 max)
{
var itemMin = item.AABB.Min;
var itemMax = item.AABB.Max;
return(Geometry2D.IsOverlapping(itemMin, itemMax, min, max));
}
private bool Test_ByCircle(TrackedObjectData item, Vector2 center, float sqrRadius, Vector2 aabbMin,
Vector2 aabbMax, int layerMask, bool checkForLayers)
{
if (checkForLayers)
{
//--- Step 1: Run the LayerMask test. ---
if (!TestFor_Layer(item, layerMask))
{
return(false);
}
}
//--- Step 2: Run the AABB test. ---
if (!TestFor_AABB(item, aabbMin, aabbMax))
{
return(false);
}
//--- Step 3: Run the Distance test. ---
if (!TestFor_Distance(item, center, sqrRadius))
{
return(false);
}
//--- Finally: Return true (passed all tests). ---
return(true);
}
private bool Test_ByPoint(TrackedObjectData item, Vector2 point, int layerMask, bool checkForLayers)
{
if (checkForLayers)
{
//--- Step 1: Run the LayerMask test. ---
if (!TestFor_Layer(item, layerMask))
{
return(false);
}
}
//--- Step 2: Run the AABB test. ---
if (!TestFor_AABB(item, point, point))
{
return(false);
}
//--- Step 3: Run the PIP test. ---
if (!TestFor_PIP(item, point))
{
return(false);
}
//--- Finally: Return true (passed all tests). ---
return(true);
}
public static void Remove(TrackedObjectData data)
{
var gameObject = DataObjectDictionary[data];
AllTrackedObjects.Remove(data);
ObjectDataDictionary.Remove(gameObject);
DataObjectDictionary.Remove(data);
}
public void RegisterObject(GameObject toRegister, GameObject prefab)
{
var renderer = toRegister.GetComponent<SpriteRenderer>();
if (renderer)
{
IList<Vector2> localConvexHull = ConvexHullDatabase.Instance.GetLocalConvexHull(prefab);
var newData = new TrackedObjectData(toRegister, renderer, localConvexHull);
ObjectTrackerDatabase.Add(toRegister, newData);
}
}
private bool Test_ByBox(TrackedObjectData item, Vector2 min, Vector2 max, int layerMask, bool checkForLayers)
{
if (checkForLayers)
{
//--- Step 1: Run the LayerMask test. ---
if (!TestFor_Layer(item, layerMask))
{
return(false);
}
}
//--- Step 2: Run the AABB test. ---
if (!TestFor_AABB(item, min, max))
{
return(false);
}
//--- Finally: Return true (passed all tests). ---
return(true);
}
private static GameObject GetGameObjectOrNull(TrackedObjectData data)
{
return(data != null ? data.GameObject : null);
}
private static bool TestFor_Distance(TrackedObjectData item, Vector2 center, float sqrRadius)
{
var testCenter = item.AABB.Center;
return(testCenter.TestDistanceLowerThan(center, sqrRadius, false));
}
private static bool TestFor_PIP(TrackedObjectData item, Vector2 point)
{
IList <Vector2> hullPoints = item.WorldConvexHull;
return(point.IsInPoly(hullPoints));
}
private static bool TestFor_Layer(TrackedObjectData item, int layerMask)
{
var layerToTest = item.GameObject.layer;
return(layerMask.MaskIncludes(layerToTest));
}
public static void Add(GameObject gameObject, TrackedObjectData data)
{
AllTrackedObjects.Add(data);
ObjectDataDictionary.Add(gameObject, data);
DataObjectDictionary.Add(data, gameObject);
}
