/// <summary>
/// Return appropriate behaviour based on the position of the HaptiQ within
/// this HapticRectangle
/// </summary>
/// <param name="haptiQ"></param>
/// <returns></returns>
protected override IBehaviour chooseBehaviour(HaptiQ haptiQ)
{
IBehaviour behaviour = null;
Point bottomLeft = new Point(x, y + height);
Point bottomRight = new Point(x + width, y + height);
Point topLeft = new Point(x, y);
Point topRight = new Point(x + width, y);
List<Tuple<Point, Point>> lines = new List<Tuple<Point, Point>>();
if (pointIsCloseToSegment(haptiQ.position, bottomLeft, bottomRight, CORNER_NEARNESS_TOLLERANCE) &&
pointIsCloseToSegment(haptiQ.position, bottomLeft, topLeft, CORNER_NEARNESS_TOLLERANCE)) // bottom-left corner
{
lines.Add(new Tuple<Point, Point>(bottomLeft, bottomRight));
lines.Add(new Tuple<Point, Point>(bottomLeft, topLeft));
}
else if (pointIsCloseToSegment(haptiQ.position, topLeft, topRight, CORNER_NEARNESS_TOLLERANCE) &&
pointIsCloseToSegment(haptiQ.position, topLeft, bottomLeft, CORNER_NEARNESS_TOLLERANCE)) // top-left corner
{
lines.Add(new Tuple<Point, Point>(topLeft, topRight));
lines.Add(new Tuple<Point, Point>(topLeft, bottomLeft));
}
else if (pointIsCloseToSegment(haptiQ.position, topRight, topLeft, CORNER_NEARNESS_TOLLERANCE) &&
pointIsCloseToSegment(haptiQ.position, topRight, bottomRight, CORNER_NEARNESS_TOLLERANCE)) // top-right corner
{
lines.Add(new Tuple<Point, Point>(topRight, topLeft));
lines.Add(new Tuple<Point, Point>(topRight, bottomRight));
}
else if (pointIsCloseToSegment(haptiQ.position, bottomRight, topRight, CORNER_NEARNESS_TOLLERANCE) &&
pointIsCloseToSegment(haptiQ.position, bottomRight, bottomLeft, CORNER_NEARNESS_TOLLERANCE)) // bottom-right corner
{
lines.Add(new Tuple<Point, Point>(bottomRight, topRight));
lines.Add(new Tuple<Point, Point>(bottomRight, bottomLeft));
}
else if (pointIsCloseToSegment(haptiQ.position, bottomLeft, bottomRight, NEARNESS_TOLLERANCE)) // horizontal
{
lines.Add(new Tuple<Point, Point>(bottomLeft, bottomRight));
}
else if (pointIsCloseToSegment(haptiQ.position, topLeft, topRight, NEARNESS_TOLLERANCE)) // horizontal
{
lines.Add(new Tuple<Point, Point>(topLeft, topRight));
}
else if (pointIsCloseToSegment(haptiQ.position, topLeft, bottomLeft, NEARNESS_TOLLERANCE)) // vertical
{
lines.Add(new Tuple<Point, Point>(topLeft, bottomLeft));
}
else if (pointIsCloseToSegment(haptiQ.position, topRight, bottomRight, NEARNESS_TOLLERANCE)) // vertical
{
lines.Add(new Tuple<Point, Point>(topRight, bottomRight));
}
else
{
behaviour = new BasicBehaviour(haptiQ, BasicBehaviour.TYPES.max);
}
if (behaviour == null)
{
behaviour = new EdgeCornerBehaviour(haptiQ, lines);
}
return behaviour;
}
/// <summary>
/// Handle behaviours on input
/// </summary>
/// <param name="haptiQ"></param>
/// <returns></returns>
public Tuple<BEHAVIOUR_RULES, IBehaviour, IBehaviour> handleInput(HaptiQ haptiQ)
{
if (this.Parent != null)
{
Tuple<STATE, IBehaviour> HaptiQState = _HaptiQBehaviours.ContainsKey(haptiQ.getID()) ? _HaptiQBehaviours[haptiQ.getID()] : null;
if (pointIsInside(haptiQ.position))
{
IBehaviour prevBehaviour = HaptiQState != null ? HaptiQState.Item2 : null;
IBehaviour currentBehaviour = chooseBehaviour(haptiQ);
currentBehaviour.updateNext(prevBehaviour);
BEHAVIOUR_RULES rule = BEHAVIOUR_RULES.SUBS;
if (currentBehaviour.Equals(prevBehaviour))
{
rule = BEHAVIOUR_RULES.NOPE;
}
_HaptiQBehaviours[haptiQ.getID()] = new Tuple<STATE, IBehaviour>(STATE.down, currentBehaviour);
return new Tuple<BEHAVIOUR_RULES, IBehaviour, IBehaviour>(rule, currentBehaviour, prevBehaviour);
}
else if (HaptiQState != null && HaptiQState.Item1 == STATE.down)
{
IBehaviour prevBehaviour = HaptiQState.Item2;
IBehaviour currentBehaviour = new BasicBehaviour(haptiQ, BasicBehaviour.TYPES.flat);
BEHAVIOUR_RULES rule = BEHAVIOUR_RULES.SUBS;
if (currentBehaviour.Equals(prevBehaviour))
{
rule = BEHAVIOUR_RULES.NOPE;
}
_HaptiQBehaviours[haptiQ.getID()] = new Tuple<STATE, IBehaviour>(STATE.up, currentBehaviour);
return new Tuple<BEHAVIOUR_RULES, IBehaviour, IBehaviour>(rule, currentBehaviour, prevBehaviour);
}
}
Tuple<BEHAVIOUR_RULES, IBehaviour, IBehaviour> retval =
new Tuple<BEHAVIOUR_RULES, IBehaviour, IBehaviour>(BEHAVIOUR_RULES.REMOVE,
_HaptiQBehaviours.ContainsKey(haptiQ.getID()) ? _HaptiQBehaviours[haptiQ.getID()].Item2 : null, null);
_HaptiQBehaviours[haptiQ.getID()] = new Tuple<STATE, IBehaviour>(STATE.up, null);
return retval;
}