public bool Intersects(BoundingSphere sphere)
{
float val = Vector3Extensions.Distance(sphere.Center, Center);
if (val > sphere.Radius + Radius)
{
return(false);
}
return(true);
}
public static BoundingSphere CreateFromBoundingBox(BoundingBox box)
{
// Find the center of the box.
Vector3 center = new Vector3((box.Min.X + box.Max.X) / 2.0f,
(box.Min.Y + box.Max.Y) / 2.0f,
(box.Min.Z + box.Max.Z) / 2.0f);
// Find the distance between the center and one of the corners of the box.
float radius = Vector3Extensions.Distance(center, box.Max);
return(new BoundingSphere(center, radius));
}
public ContainmentType Contains(Vector3 point)
{
float distance = Vector3Extensions.Distance(point, Center);
if (distance > this.Radius)
{
return(ContainmentType.Disjoint);
}
else if (distance < this.Radius)
{
return(ContainmentType.Contains);
}
return(ContainmentType.Intersects);
}
public ContainmentType Contains(BoundingSphere sphere)
{
float val = Vector3Extensions.Distance(sphere.Center, Center);
if (val > sphere.Radius + Radius)
{
return(ContainmentType.Disjoint);
}
else if (val <= Radius - sphere.Radius)
{
return(ContainmentType.Contains);
}
else
{
return(ContainmentType.Intersects);
}
}