public void Contains(ref Vector3 point, out ContainmentType result)
{
if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.top) > 0.0)
{
result = ContainmentType.Disjoint;
}
else if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.bottom) > 0.0)
{
result = ContainmentType.Disjoint;
}
else if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.left) > 0.0)
{
result = ContainmentType.Disjoint;
}
else if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.right) > 0.0)
{
result = ContainmentType.Disjoint;
}
else if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.near) > 0.0)
{
result = ContainmentType.Disjoint;
}
else if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.far) > 0.0)
{
result = ContainmentType.Disjoint;
}
else
{
result = ContainmentType.Contains;
}
}
public void Contains(ref Vector3 point, out ContainmentType result)
{
float val;
// If a point is on the POSITIVE side of the plane, then the point is not contained within the frustum
// Check the top
val = PlaneHelper.ClassifyPoint(ref point, ref this.top);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// Check the bottom
val = PlaneHelper.ClassifyPoint(ref point, ref this.bottom);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// Check the left
val = PlaneHelper.ClassifyPoint(ref point, ref this.left);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// Check the right
val = PlaneHelper.ClassifyPoint(ref point, ref this.right);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// Check the near
val = PlaneHelper.ClassifyPoint(ref point, ref this.near);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// Check the far
val = PlaneHelper.ClassifyPoint(ref point, ref this.far);
if (val > 0)
{
result = ContainmentType.Disjoint;
return;
}
// If we get here, it means that the point was on the correct side of each plane to be
// contained. Therefore this point is contained
result = ContainmentType.Contains;
}
public void Contains(ref Vector3 point, out ContainmentType result)
{
for (int index = 0; index < 6; ++index)
{
if ((double)PlaneHelper.ClassifyPoint(ref point, ref this.planes[index]) > 0.0)
{
result = ContainmentType.Disjoint;
return;
}
}
result = ContainmentType.Contains;
}
/// <summary>
/// Containment test between this <see cref="BoundingFrustum"/> and specified <see cref="Vector3"/>.
/// </summary>
/// <param name="point">A <see cref="Vector3"/> for testing.</param>
/// <param name="result">Result of testing for containment between this <see cref="BoundingFrustum"/> and specified <see cref="Vector3"/> as an output parameter.</param>
public void Contains(ref Vector3 point, out ContainmentType result)
{
for (var i = 0; i < PlaneCount; ++i)
{
// TODO: we might want to inline this for performance reasons
if (PlaneHelper.ClassifyPoint(ref point, ref this._planes[i]) > 0)
{
result = ContainmentType.Disjoint;
return;
}
}
result = ContainmentType.Contains;
}
