/// <summary>
/// Set the current spotlight animation transition.
/// Make sure when calling this that it is in an appropriate context and will not cause a jarring reset on animated transition change.
/// </summary>
/// <param name="transition">Enumerated value denoting what transition to perform.</param>
public static void ExecuteViewMotionTransition(SpotlightMotionTransition transition, Vector2 modification)
{
currentSpotlightAnimatedTransition = transition;
// Perform Conditional Transition Setup
switch (transition)
{
case SpotlightMotionTransition.WorldViewToPlayer:
offset = modification;
zoom = minZoom;
EnforceZoomLimits();
EnforceStageBoundaries();
// redundancy protection
SavedDataIsValid = false;
ViewMotionTransitionZoomingIn = false;
if (currentFocusTarget != null)
ViewMotionInformationVector = currentFocusTarget.Position();
break;
case SpotlightMotionTransition.FlickToScroll:
modification.Normalize();
modification *= (400 / zoom);
ViewMotionInformationVector = offset - modification;
break;
case SpotlightMotionTransition.FullZoomAroundPoint:
ViewMotionTransitionZoomingIn = (zoom > (minZoom + maxZoom) / 2);
int numSteps = (int)((ViewMotionTransitionZoomingIn) ? (zoom - maxZoom) / ZoomStep : (minZoom - zoom) / ZoomStep);
Vector2 center = offset + new Vector2(halfScreenWidth, halfScreenHeight);
ViewMotionInformationVector = (TranslateScreenVectorToWorldVector(modification) - center) / numSteps;
break;
default:
break;
}
}
public static void TemporaryZoomOnObject(WorldObject newFocus, Vector2 fingerLocation)
{
if (zoom < 1.3f)
{
savedZoom = zoom;
minZoom = 1.3f;
zoom = 1.3f;
savedFocusTarget = currentFocusTarget;
currentFocusTarget = newFocus;
Point bounds = newFocus.Center();
offset = new Vector2(bounds.X - (fingerLocation.X/zoom), bounds.Y - (fingerLocation.Y/zoom));
currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
}
else
{
if (fingerLocation.X < 50)
{
offset.X -= 15;
}
if (fingerLocation.X > 750)
{
offset.X += 15;
}
if (fingerLocation.Y < 50)
{
offset.Y -= 15;
}
if (fingerLocation.Y > 430)
{
offset.Y += 15;
}
EnforceStageBoundaries();
}
}
/// <summary>
/// Update the SpotlightMotionTransition if one is active
/// </summary>
private static void UpdateSpotlightMotionTransition()
{
switch (currentSpotlightAnimatedTransition)
{
case SpotlightMotionTransition.None:
return;
case SpotlightMotionTransition.WorldViewToPlayer:
miniAdjustStageZoomLevel(!ViewMotionTransitionZoomingIn);
offset = Vector2.Lerp(offset, ViewMotionInformationVector, 0.5f);
if (zoom <= maxZoom) ViewMotionTransitionZoomingIn = true;
if (zoom >= minZoom) currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
break;
case SpotlightMotionTransition.FlickToScroll:
offset = Vector2.Lerp(offset, ViewMotionInformationVector, 0.1f);
if (Vector2.Distance(offset, ViewMotionInformationVector) < 5.0f)
currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
break;
case SpotlightMotionTransition.FullZoomAroundPoint:
AdjustStageZoomLevel(ViewMotionTransitionZoomingIn);
offset += ViewMotionInformationVector;
if (zoom == maxZoom || zoom == minZoom) currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
break;
default:
break;
}
}
/// <summary>
/// Process a gesture sample.
/// </summary>
/// <param name="gesture"></param>
public static void ProcessTouch(GestureSample gesture)
{
switch (gesture.GestureType)
{
case GestureType.Pinch:
float deltaSpace = Vector2.Distance(gesture.Position, gesture.Position2);
if (lastDeltaSpace != 0)
{
if (lastDeltaSpace == deltaSpace) return;
AdjustStageZoomLevel(lastDeltaSpace > deltaSpace);
}
lastDeltaSpace = deltaSpace;
break;
case GestureType.FreeDrag:
offset -= gesture.Delta;
EnforceStageBoundaries();
currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
break;
case GestureType.Tap:
currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
break;
case GestureType.Flick:
ExecuteViewMotionTransition(SpotlightMotionTransition.FlickToScroll, gesture.Delta);
break;
case GestureType.DoubleTap:
ExecuteViewMotionTransition(SpotlightMotionTransition.FullZoomAroundPoint, gesture.Position);
break;
default:
break;
}
}
