public TestingCompoundVertexInfo(Vector springForce, Vector repulsionForce, Vector gravityForce, Vector applicationForce)
{
SpringForce = springForce;
RepulsionForce = repulsionForce;
GravityForce = gravityForce;
ApplicationForce = applicationForce;
}
public static double AngleBetween(Vector vector1, Vector vector2)
{
var y = (vector1._x * vector2._y) - (vector2._x * vector1._y);
var x = (vector1._x * vector2._x) + (vector1._y * vector2._y);
return (Math.Atan2(y, x) * 57.295779513082323);
}
public static double CrossProduct(Vector vector1, Vector vector2)
{
return ((vector1._x * vector2._y) - (vector1._y * vector2._x));
}
public bool Equals(Vector value)
{
return Equals(this, value);
}
public static bool Equals(Vector vector1, Vector vector2)
{
return (vector1.X.Equals(vector2.X) && vector1.Y.Equals(vector2.Y));
}
public static Rect Offset(Rect rect, Vector offsetVector)
{
rect.Offset(offsetVector.X, offsetVector.Y);
return rect;
}
public void Offset(Vector offsetVector)
{
if (IsEmpty)
{
throw new InvalidOperationException("Rect_CannotCallMethod");
}
_x += offsetVector._x;
_y += offsetVector._y;
}
public Rect(Point point, Vector vector)
: this(point, point + vector)
{
}
public static bool IsSameDirection(Vector a, Vector b)
{
return Math.Sign(a.X) == Math.Sign(b.X) && Math.Sign(a.Y) == Math.Sign(b.Y);
}
private void OnMouseDown(PointerRoutedEventArgs e, bool isPreview)
{
if (ModifierMode != ZoomViewModifierMode.None)
return;
_startedAsAreaSelection = false;
switch (e.KeyModifiers)
{
case VirtualKeyModifiers.None:
if (!isPreview)
ModifierMode = ZoomViewModifierMode.Pan;
break;
case VirtualKeyModifiers.Windows | VirtualKeyModifiers.Control:
_startedAsAreaSelection = true;
ModifierMode = ZoomViewModifierMode.ZoomBox;
break;
case VirtualKeyModifiers.Windows:
ModifierMode = ZoomViewModifierMode.ZoomBox;
break;
case VirtualKeyModifiers.Control:
break;
case VirtualKeyModifiers.Shift:
ModifierMode = ZoomViewModifierMode.Pan;
break;
default:
return;
}
if (ModifierMode == ZoomViewModifierMode.None)
return;
_mouseDownPos = e.GetCurrentPoint(this).Position;
_startTranslate = new Vector(TranslateX, TranslateY);
CapturePointer(e.Pointer);
PointerMoved += ZoomControl_PreviewMouseMove;
}