public Linear(VectorInt aCurrent, VectorInt aTarget, VectorDouble aStep, bool useBounce)
{
_Start = new VectorDouble(aCurrent.X, aCurrent.Y);
_Current = new VectorDouble(aCurrent.X, aCurrent.Y);
_Target = _Start.Add(aTarget.ToVectorDouble());
_Step = aStep;
_Bounce = useBounce;
}
public VectorDouble GetPhysFromLogical(VectorInt i)
{
var v = grid.Children[0] as Image;
var s = new VectorDouble(grid.ColumnDefinitions.First().ActualWidth,
grid.RowDefinitions.First().ActualHeight);
return new VectorDouble(i.X, i.Y).Multiply(s).Add( s.Divide(new VectorDouble(2,2))) ;
}
public VectorInt getNext()
{
_Current = _Current.Add(_Step);
if (_Bounce)
{
if (_Current.X >= _Target.X) _Step.X *= -1;
if (_Current.X <= _Start.X) _Step.X *= -1;
if (_Current.Y >= _Target.Y) _Step.Y *= -1;
if (_Current.Y <= _Start.Y) _Step.Y *= -1;
return _Current.ToVectorInt();
}
else
{
if (_Current == _Target) return null;
return _Current.ToVectorInt();
}
}
public void Step()
{
if (elements == null) return;
foreach (var e in elements)
{
var p = new VectorDouble(Canvas.GetLeft(e.Target), Canvas.GetTop(e.Target));
if (p.X + e.Speed.X > container.ActualWidth - e.Size.X) e.Speed.X *= -1;
if (p.X + e.Speed.X < 0) e.Speed.X *= -1;
if (p.Y + e.Speed.Y > container.ActualHeight - e.Size.Y) e.Speed.Y *= -1;
if (p.Y + e.Speed.Y < 0) e.Speed.Y *= -1;
Canvas.SetLeft(e.Target, p.X + e.Speed.X);
Canvas.SetTop(e.Target, p.Y + e.Speed.Y);
e.Spin += e.SpinSpeed;
e.Target.RenderTransform = new RotateTransform(e.Spin);
}
}
public VectorDouble Divide(VectorDouble value)
{
return new VectorDouble(x / value.X, y / value.Y);
}
public VectorDouble Add(VectorDouble value)
{
return new VectorDouble(x + value.X, y + value.Y);
}
public VectorDouble(VectorDouble copy)
{
this.x = copy.x;
this.y = copy.y;
}
public VectorDouble Subtract(VectorDouble value)
{
return new VectorDouble(x - value.X, y - value.Y);
}
public VectorDouble Multiply(VectorDouble value)
{
return new VectorDouble(x * value.X, y * value.Y);
}