internal MainloopThread(IEnumerable <NotuiElement> workset, NotuiContext ctx, bool async = true)
{
Context = ctx;
Workset = workset;
if (async)
{
Task = Task.Factory.StartNew(HierarchicalExecution);
}
}
/// <summary></summary>
/// <param name="element">The hosting element</param>
/// <param name="options">The creation option</param>
public SubContext(NotuiElement element, SubContextOptions options)
{
AttachedElement = element;
Options = options.Copy();
element.OnMainLoopEnd += AttachedElementMainloopListener;
Context = new NotuiContext
{
UpdateOnlyChangeFlagged = Options.UpdateOnlyChangeFlagged
};
}
/// <inheritdoc />
public Touch(int id, NotuiContext context) : base(id)
{
OnMainLoopEnd += (sender, args) =>
{
if (Pressed)
{
FramesSincePressed++;
}
else
{
FramesSincePressed = 0;
}
};
CustomAttachedObject = HittingElements;
Context = context;
}
/// <summary>
/// Get the previous world position of a touch
/// </summary>
/// <param name="touch">Touch in question</param>
/// <param name="context">Context of the touch</param>
/// <param name="popos">Previous world position</param>
/// <param name="pdir">Previous ray direction</param>
public static void GetPreviousWorldPosition(this TouchContainer touch, NotuiContext context, out Vector3 popos, out Vector3 pdir)
{
var prevpoint = touch.Point - touch.Velocity;
Coordinates.GetPointWorldPosDir(prevpoint, context.ProjectionWithAspectRatioInverse, context.ViewInverse, out popos, out pdir);
}
/// <summary>
/// Get the planar velocity of a touch and its current and previous intersection-point in the selected plane's space
/// </summary>
/// <param name="touch"></param>
/// <param name="plane">Arbitrary matrix of the XY plane to do the intersection with</param>
/// <param name="context">Notui context to provide screen space/alignment information</param>
/// <param name="currpos">Current intersection point in the space of the plane</param>
/// <param name="prevpos">Previous intersection point in the space of the plane</param>
/// <returns>Velocity of the touch relative to the space of the plane</returns>
public static Vector3 GetPlanarVelocity(this TouchContainer touch, Matrix4x4 plane, NotuiContext context, out Vector3 currpos, out Vector3 prevpos)
{
// get planar coords for current touch position
var hit = Intersections.PlaneRay(touch.WorldPosition, touch.ViewDir, plane, out var capos, out var crpos);
currpos = crpos;
// get planar coords for the previous touch position
touch.GetPreviousWorldPosition(context, out var popos, out var pdir);
var phit = Intersections.PlaneRay(popos, pdir, plane, out var papos, out var prpos);
prevpos = prpos;
return(crpos - prpos);
}
/// <summary>
/// Create a NotuiElement instance out of this prototype
/// </summary>
/// <param name="context">The context to instantiate into</param>
/// <param name="parent">An optional parent</param>
/// <returns></returns>
public NotuiElement Instantiate(NotuiContext context, NotuiElement parent = null)
{
var res = (NotuiElement)GetElementConstructor().Invoke(new object[] { this, context, parent });
return(res);
}
