private bool IsHitsContainingCollider(BoxCastInfo info, Collider2D collider)
{
for (int i = 0; i < info.hits.Count; i++)
{
if (info.hits.Contains(collider))
{
return(true);
}
}
return(false);
}
private bool IsHitsContainingCollider(List <BoxCastInfo> infos, Collider2D collider)
{
for (int i = 0; i < infos.Count; i++)
{
BoxCastInfo info = infos[i];
if (IsHitsContainingCollider(info, collider))
{
return(true);
}
}
return(false);
}
private bool IsEvaluateHitsCollisionType(List <BoxCastInfo> infos, CollisionFilter filter)
{
for (int i = 0; i < infos.Count; i++)
{
BoxCastInfo info = infos[i];
if (IsEvaluateHitsCollisionType(info, filter))
{
return(true);
}
}
return(false);
}
private bool IsEvaluateHitsCollisionType(BoxCastInfo info, CollisionFilter filter)
{
for (int i = 0; i < info.hits.Count; i++)
{
Collider2D hit = info.hits[i];
if (!hit.isTrigger && filter == CollisionFilter.OnlyNonTrigger)
{
return(true);
}
else if (hit.isTrigger && filter == CollisionFilter.OnlyTrigger)
{
return(true);
}
else if (filter == CollisionFilter.Both)
{
return(info.hits.Count != 0);
}
}
return(false);
}
/// <summary>
/// Cast the boxes, it is recommended to only update the hits when Unity events like OnCollisionEnter2D happens.
/// </summary>
public void UpdateHits()
{
for (int i = 0; i < boxCastInfos.Count; i++)
{
BoxCastInfo info = boxCastInfos[i];
//info.hits.Clear();
switch (info.direction)
{
case Direction.Up:
info._origin = new Vector2(referenceCollider.bounds.center.x, referenceCollider.bounds.max.y) + info.offset;
info._size = new Vector2(referenceCollider.size.x * info.referenceSizeMultiplier, 1f * info.directionSizeMultiplier);
info._castDirection = Vector2.up;
break;
case Direction.Down:
info._origin = new Vector2(referenceCollider.bounds.center.x, referenceCollider.bounds.min.y) + info.offset;
info._size = new Vector2(referenceCollider.size.x * info.referenceSizeMultiplier, 1f * info.directionSizeMultiplier);
info._castDirection = Vector2.down;
break;
case Direction.Left:
info._origin = new Vector2(referenceCollider.bounds.min.x, referenceCollider.bounds.center.y) + info.offset;
info._size = new Vector2(1f * info.directionSizeMultiplier * info.referenceSizeMultiplier, referenceCollider.size.y);
info._castDirection = Vector2.left;
break;
case Direction.Right:
info._origin = new Vector2(referenceCollider.bounds.max.x, referenceCollider.bounds.center.y) + info.offset;
info._size = new Vector2(1f * info.directionSizeMultiplier * info.referenceSizeMultiplier, referenceCollider.size.y);
info._castDirection = Vector2.right;
break;
}
int hitCount = Physics2D.BoxCastNonAlloc(info.origin, info.size, 0f,
info.castDirection, _hitBuffer, info.distance,
layerMask);
for (int a = 0; a < hitCount; a++)
{
// Filter the hits here
if (boxCastMask.Contains(_hitBuffer[a].collider))
{
continue;
}
// Call hit callback
if (!info.hits.Contains(_hitBuffer[a].collider))
{
OnHit(info.direction, _hitBuffer[a], _hitBuffer[a].collider);
}
}
info.hits.Clear();
for (int a = 0; a < hitCount; a++)
{
// Filter the hits here
if (boxCastMask.Contains(_hitBuffer[a].collider))
{
continue;
}
// Add the hit to the buffer
info.hits.Add(_hitBuffer[a].collider);
}
}
}
