/// <summary>
/// https://docs.unity3d.com/ScriptReference/Physics.OverlapCapsuleNonAlloc.html
/// </summary>
/// <param name="chd"></param>
/// <param name="point0"></param>
/// <param name="point1"></param>
/// <param name="radius"></param>
/// <returns>True, if cast hits something</returns>
public static bool OverlapCapsule
(ColliderHitData chd,
Vector3 point0,
Vector3 point1,
float radius)
{
CheckCHDInit(chd);
for (; ;)
{
chd.numHits = Physics.OverlapCapsuleNonAlloc
(point0,
point1,
radius,
chd.collResults,
chd.layerMask,
chd.triggerInteraction);
if (CheckCastResultsCHD(chd))
{
break;
}
}
return(chd.numHits > 0);
}
/// <summary>
/// https://docs.unity3d.com/ScriptReference/Physics.OverlapBoxNonAlloc.html
/// </summary>
/// <param name="chd"></param>
/// <param name="center"></param>
/// <param name="halfExtends"></param>
/// <param name="orientation"></param>
/// <returns>True, if cast hits something</returns>
public static bool OverlapBox
(ColliderHitData chd,
Vector3 center,
Vector3 halfExtends,
Quaternion orientation)
{
CheckCHDInit(chd);
for (; ;)
{
chd.numHits = Physics.OverlapBoxNonAlloc
(center,
halfExtends,
chd.collResults,
orientation,
chd.layerMask,
chd.triggerInteraction);
if (CheckCastResultsCHD(chd))
{
break;
}
}
return(chd.numHits > 0);
}
/// <summary>
/// Check data for basic initialization
/// </summary>
/// <param name="chd"></param>
static void CheckCHDInit(ColliderHitData chd)
{
if (chd.collResults == null ||
chd.collResults.Length == 0 ||
chd.collResults[0] == null)
{
chd.Init(chd.sizeAtInit);
}
}
/// <summary>
/// Function will cannot be called with a null 'results'
/// parameter to determine how many results are REALLY
/// available. So, if the number of hits is exactly
/// the length of the array I resize the array and
/// call again to be sure.
/// </summary>
/// <param name="chd"></param>
/// <returns>True if Cast needs to be called again</returns>
static bool CheckCastResultsCHD(ColliderHitData chd)
{
if (chd.autoResize &&
chd.numHits == chd.collResults.Length)
{
System.Array.Resize <Collider>(ref chd.collResults, chd.collResults.Length * 2);
return(false);
}
return(true);
}
