bool Intersects(Box other)
{
float test, test2;
test = this.Center.X - (this.Size.X / 2.0f);
test2 = other.Center.X - (other.Size.X / 2.0f);
if ((test+Size.X < test2) || (test > test2+other.Size.X))
return false;
test = this.Center.Y - (this.Size.Y / 2.0f);
test2 = other.Center.Y - (other.Size.Y / 2.0f);
if ((test+Size.Y < test2) || (test > test2+other.Size.Y))
return false;
test = this.Center.Z - (this.Size.Z / 2.0f);
test2 = other.Center.Z - (other.Size.Z / 2.0f);
if ((test+Size.Z < test2) || (test > test2+other.Size.Z))
return false;
return true;
}
public Box(Box other)
{
_center = other._center;
_size = other._size;
_rotation = other._rotation;
}
public bool IsAtTarget(Vector3 target, float tolerance)
{
Box shell = this.GetBoundingBox(false);
Vector3 size = shell.Size;
size.X += tolerance;
size.Y += tolerance;
size.Z += tolerance;
shell = new Box(shell.Center, size);
return shell.ContainsPoint(target);
}
private Box CalculateBoundingBox()
{
// This method always recalcs the BB. To use the cached version, call BoundingBox.
Box returnBox;
List<Box> boundingBoxes = new List<Box>();
// lock m_parts and then _bbLock (leaf) when needed
lock (m_parts)
{
PhysicsActor physActor = m_rootPart.PhysActor;
if ((physActor != null) && (physActor.IsPhysical))
{
// For physical objects, save the pos/rot used for BB calc.
_bbPos = physActor.Position;
_bbRot = physActor.Rotation;
}
foreach (SceneObjectPart part in m_parts.Values)
{
boundingBoxes.Add(part.BoundingBox);
}
lock (_bbLock)
{
// update _calculatedBoundingBox inside the lock
_calculatedBoundingBox = Box.CalculateBoundingBox(boundingBoxes);
returnBox = _calculatedBoundingBox;
}
}
return returnBox;
}
public void ClearBoundingBoxCache()
{
lock (_bbLock)
{
_calculatedBoundingBox = null;
}
}
private Box CalculateBoundingBox()
{
// This method always recalcs the BB. To use the cached version, call BoundingBox.
Box returnBox;
List<Box> boundingBoxes = new List<Box>();
PhysicsActor physActor = m_rootPart.PhysActor;
if ((physActor != null) && (physActor.IsPhysical))
{
// For physical objects, save the pos/rot used for BB calc.
_bbPos = physActor.Position;
_bbRot = physActor.Rotation;
}
m_childParts.ForEachPart((SceneObjectPart part) => {
boundingBoxes.Add(part.BoundingBox);
});
lock (_bbLock)
{
// update _calculatedBoundingBox inside the lock
_calculatedBoundingBox = Box.CalculateBoundingBox(boundingBoxes);
returnBox = _calculatedBoundingBox;
}
return returnBox;
}
