public static ILocationF GetNudgeLocation(this SpacialElement el, IRectangularF desiredLocation = null, float optimalAngle = 0, int?z = null)
{
desiredLocation = desiredLocation ?? el.EffectiveBounds();
var obstacles = el.GetObstacles(z: z);
if (obstacles.Where(o => o.Touches(desiredLocation)).Any() || SpaceTime.CurrentSpaceTime.Bounds.Contains(desiredLocation) == false)
{
foreach (var angle in Enumerate360Angles(optimalAngle))
{
for (var d = .1f; d < 15f; d += .1f)
{
var effectiveAngle = angle % 360;
var testLoc = desiredLocation.MoveTowards(effectiveAngle, d);
var testArea = RectangularF.Create(testLoc.Left, testLoc.Top, desiredLocation.Width, desiredLocation.Height);
if (obstacles.Where(o => o.Touches(testArea)).None() && SpaceTime.CurrentSpaceTime.Bounds.Contains(testArea))
{
return(testLoc.TopLeft());
}
}
}
return(null);
}
else
{
return(el.TopLeft());
}
}
public static NudgeEvent NudgeFree(this SpacialElement el, IRectangularF desiredLocation = null, float optimalAngle = 0, int?z = null)
{
var loc = GetNudgeLocation(el, desiredLocation, optimalAngle, z);
if (loc != null)
{
if (el is IHaveMassBounds == false)
{
el.MoveTo(loc.Left, loc.Top, z);
}
else
{
var elBounds = el.EffectiveBounds();
var dx = el.Left - elBounds.Left;
var dy = el.Top - elBounds.Top;
el.MoveTo(loc.Left + dx, loc.Top + dy, z);
}
var ev = new NudgeEvent()
{
Element = el, Success = true
};
OnNudge.Fire(ev);
return(ev);
}
else
{
var ev = new NudgeEvent()
{
Element = el, Success = false
};
OnNudge.Fire(ev);
return(ev);
}
}
public static ILocationF GetNudgeLocation(this SpacialElement el, IRectangularF desiredLocation = null, float initialAngle = 0)
{
desiredLocation = desiredLocation ?? el.EffectiveBounds();
var obstacles = el.GetObstacles();
if (obstacles.Where(o => o.Touches(desiredLocation)).Any())
{
for (var d = 1f; d < 15; d++)
{
for (var angle = initialAngle; angle < initialAngle + 360; angle += 20)
{
var effectiveAngle = angle % 360;
var testLoc = desiredLocation.MoveTowards(effectiveAngle, d);
var testArea = RectangularF.Create(testLoc.Left, testLoc.Top, desiredLocation.Width, desiredLocation.Height);
if (obstacles.Where(o => o.Touches(testArea)).None() && SpaceTime.CurrentSpaceTime.Bounds.Contains(testArea))
{
return(testLoc.TopLeft());
}
}
}
}
return(null);
}