private RelativePoint CreateRelativePointFromWorldPoint(Vector2 world_point)
{
if (world_press_target != null)
{
return(world_press_target.gameObject.transform
.CreateRelativePointFromWorldPoint(world_point));
}
return(RelativePoint.FromPoint(world_point));
}
private void UpdatePositionInitial()
{
initial_press_position = current_press_position;
world_press_target =
Physics2DExtensions.OverlapCircleAll(initial_press_position, world_press_system.GetPressRadius(), world_press_system.GetTargetLayers())
.Narrow(c => c.HasComponentUpward <IWorldPressTarget>())
.Convert(c => c.gameObject)
.FindRolling(
new RollingCriteria <GameObject>(RollingCriteriaTarget.Larger, g => g.GetSortingLayer().IfNotNull(l => l.GetValue())),
new RollingCriteria <GameObject>(RollingCriteriaTarget.Smaller, g => g.GetPlanarSize().GetMinComponent())
)
.IfNotNull(z => z.GetComponentUpward <IWorldPressTarget>());
touch_point = CreateRelativePointFromWorldPoint(GetCurrentPressPosition());
world_press_target.IfNotNull(t => t.Touch(this));
timer.Restart();
}
private void UpdatePositionSubsequent()
{
if (world_press_target != null)
{
if (is_dragging)
{
world_press_target.Drag(this);
}
else
{
if (current_press_position.IsOutsideDistance(touch_point.GetWorldPoint(), world_press_system.GetDragThreshold()))
{
world_press_target.Grab(this);
drag_point = CreateRelativePointFromWorldPoint(GetCurrentPressPosition());
is_dragging = true;
}
}
}
}
static public RelativePoint CreateRelativePointFromWorldPoint(this Transform item, Vector3 world_point)
{
return(RelativePoint.FromWorldPoint(item, world_point));
}
static public RelativePoint CreateRelativePointFromLocalPoint(this Transform item, Vector3 local_point)
{
return(RelativePoint.FromLocalPoint(item, local_point));
}