//Сделал неочевидную передачу параметра, чтобы не пересчитывать центр масс
private bool UpdateSelectedViewInfo(CenterOfMass centerOfMass)
{
bool selectedItemExist = manipulator.SelectedItem != null;
if (selectedItemExist)
{
int currentAngle = 0;
int currentLength = 0;
int currentInternalX = 0;
int currentInternalY = 0;
float currentWeight = manipulator.SelectedItem.Weight;
if (manipulator.SelectedItem.ElementType == ManipulatorElement.elementTypes.LINK)
{
Link selectedLink = (Link)manipulator.SelectedItem;
currentAngle = (int)(selectedLink.Angle * 180 / Math.PI);
currentLength = (int)selectedLink.Length;
currentInternalX = (int)selectedLink.InternalCoordinates.X;
currentInternalY = (int)-selectedLink.InternalCoordinates.Y;
}
textBoxTestAngle.Text = currentAngle.ToString();
textBoxTestLength.Text = currentLength.ToString();
textBoxInternalX.Text = currentInternalX.ToString();
textBoxInternalY.Text = currentInternalY.ToString();
textBoxWeight.Text = currentWeight.ToString();
}
return(selectedItemExist);
}
//Если не будет привязки придется дергать её1
public void ReRenderCanvas(ref Canvas canvas)
{
if (manipulator != null)
{
CenterOfMass centerOfMass = manipulator.GetCenterOfMass();
bool selectedItemExist = UpdateSelectedViewInfo(centerOfMass);
int centOfMassXVal = (int)((centerOfMass.BeginPosition.X - manipulator.elements[0].BeginPosition.X));
int centOfMassYVal = (int)((-centerOfMass.BeginPosition.Y + manipulator.elements[0].BeginPosition.Y));
textBoxCenterOfMassX.Text = centOfMassXVal.ToString();
textBoxCenterOfMassY.Text = centOfMassYVal.ToString();
double beginX = canvasMain.ActualWidth / 2 * ManipulatorElement.scaleCoefficient;
double beginY = canvasMain.ActualHeight / 2 * ManipulatorElement.scaleCoefficient;
if (manipulator.IsThereAnyIntersections())
{
foreach (var element in manipulator.elements)
{
element.Stroke = System.Windows.Media.Brushes.Red;
}
}
else
{
foreach (var element in manipulator.elements)
{
element.Stroke = System.Windows.Media.Brushes.Blue;
}
}
manipulator.CenterFirstElement(new Point(beginX, beginY));
if (manipulator.IsShapesOutOfCanvas(canvasMain.ActualHeight * ManipulatorElement.scaleCoefficient, canvasMain.ActualWidth * ManipulatorElement.scaleCoefficient))
{
if (selectedItemExist)
{
manipulator.SelectedItem.Stroke = System.Windows.Media.Brushes.Red;
}
ManipulatorElement.scaleCoefficient += (float)0.5;
}
else
{
if (selectedItemExist)
{
manipulator.SelectedItem.Stroke = System.Windows.Media.Brushes.Black;
}
}
canvasMain.Children.Clear();
for (int i = 0; i < manipulator.elements.Count; i++)
{
canvasMain.Children.Add(manipulator.elements[i]);
}
if (manipulator.SelectedItem != null && manipulator.SelectedItem.ElementType == ManipulatorElement.elementTypes.LINK)
{
Link selectedLink = (Link)manipulator.SelectedItem;
canvasMain.Children.Add(selectedLink.InternalCoordinates);
}
canvasMain.Children.Add(centerOfMass);
}
}