private void OnPointerMoved(EnginePointerMovedEventArgs args)
{
if (!ColliderTypes.HasFlag(ColliderType.Pointer))
{
return;
}
var mousePoint = args.Arguments.GetCurrentPoint(args.Sender as UIElement).Position.ToVector2();
var point = Entity.GetBehavior <TransformBehavior>().Position.XZ();
var collides = false;
switch (Shape)
{
case SimpleGeometry.Circle:
collides = (point - mousePoint).Length() <= Size.Width / 2;
break;
case SimpleGeometry.Square:
var minX = point.X - (Size.Width / 2);
var maxX = point.X + (Size.Width / 2);
var minY = point.Y - (Size.Height / 2);
var maxY = point.Y - (Size.Height / 2);
collides = mousePoint.X >= minX && mousePoint.X <= maxX && mousePoint.Y >= minY &&
mousePoint.Y <= maxY;
break;
}
if (collides)
{
_collisionEventSubject.OnNext(new CollisionEventArgs(Engine.Current, ColliderType.Pointer, mousePoint));
}
}
private void StorePointerPosition(EnginePointerMovedEventArgs args)
{
var coordinateSystem = Engine.CurrentLevel.RootEntity.GetImplementation <ICoordinateSystem>(); // TODO this might be better positioned inside the engine?!
var mousePosition = coordinateSystem.TransformToWorld3D(args.Arguments.GetCurrentPoint(args.Sender).Position.ToVector2());
_lastMousePosition = mousePosition;
}
private void OnPointerMoved(EnginePointerMovedEventArgs args)
{
LastMouseScreenPosition = args.Arguments.GetCurrentPoint(args.Sender).RawPosition.ToVector2();
}
private static MouseMoveOverEngineEventArgs CreateMouseMoveOverEventArgs(Entity entity, MouseInteractionFeature feature, EnginePointerMovedEventArgs args)
{
return(new MouseMoveOverEngineEventArgs(Engine.Current, feature._lastMousePosition));
}
private static bool IsMousePointerMovingOverEntity(Entity entity, MouseInteractionFeature feature, EnginePointerMovedEventArgs args)
{
var wasOver = feature._lastEntityStates[entity] == MousePointerOverEntityState.Over;
return(IsLastMousePositionOverEntity(feature, entity) && wasOver);
}
