/// <summary>
/// Calculate the border equations for faster computation when checking valid indices
/// </summary>
private void GetBorderEquations()
{
// Calculate border euqations
for (int i = 0; i < cornerPoints.Count; i++)
{
Point p1 = cornerPoints[i];
Point p2 = cornerPoints[(i + 1) % cornerPoints.Count];
borderEqs[i] = new lineEq(p1, p2);
}
}
/// <summary>
/// Constructor
/// </summary>
public ActionArea()
{
InitializeComponent();
borderEqs = new lineEq[4];
this.cornerPoints = new PointCollection();
this.cornerPoints.Add(cPoint(0, 0)); // top left
this.cornerPoints.Add(cPoint(0, 200)); // bot left
this.cornerPoints.Add(cPoint(140, 200)); // bot right
this.cornerPoints.Add(cPoint(140, 0)); // top right
for (int i = 0; i < this.cornerPoints.Count; i++)
{
Canvas.SetLeft(this.actionCanvas.Children[i + ellipseIndex], this.cornerPoints[i].X - ellipseWidth / 2);
Canvas.SetTop(this.actionCanvas.Children[i + ellipseIndex], this.cornerPoints[i].Y - ellipseWidth / 2);
}
this.DataContext = this;
}
/// <summary>
/// Calculate the border equations for faster computation when checking valid indices
/// </summary>
private void GetBorderEquations()
{
// Calculate border euqations
for (int i = 0; i < cornerPoints.Count; i++)
{
Point p1 = cornerPoints[i];
Point p2 = cornerPoints[(i + 1) % cornerPoints.Count];
borderEqs[i] = new lineEq(p1, p2);
}
}
/// <summary>
/// Loads the action area if there's one saved from previous definition
/// </summary>
/// <param name="topLeft"></param>
/// <param name="botLeft"></param>
/// <param name="botRight"></param>
/// <param name="topRight"></param>
public void LoadActionArea(Point topLeft, Point botLeft, Point botRight, Point topRight)
{
borderEqs = new lineEq[4];
this.cornerPoints = new PointCollection();
this.cornerPoints.Add(topLeft); // top left
this.cornerPoints.Add(botLeft); // bot left
this.cornerPoints.Add(botRight); // bot right
this.cornerPoints.Add(topRight); // top right
for (int i = 0; i < this.cornerPoints.Count; i++)
{
Canvas.SetLeft(this.actionCanvas.Children[i + ellipseIndex], this.cornerPoints[i].X - ellipseWidth / 2);
Canvas.SetTop(this.actionCanvas.Children[i + ellipseIndex], this.cornerPoints[i].Y - ellipseWidth / 2);
}
this.DataContext = this;
}