private void GenerateGrid(Canvas canvas)
{
PointsArray = new SimplePoint[GridRows + 1, GridColumns + 1];
EdgesList = new List <Edge>();
TrianglesList = new List <Triangle>();
double widthStep = canvas.ActualWidth / (double)GridColumns;
double heightStep = canvas.ActualHeight / (double)GridRows;
double pointX = widthStep;
double pointY = 0d;
//frame
for (int i = 0; i < PointsArray.GetLength(0); i++)
{
PointsArray[i, 0] = new SimplePoint(0d, pointY, canvas, false);
PointsArray[i, PointsArray.GetLength(1) - 1] = new SimplePoint(canvas.ActualWidth, pointY, canvas, false);
pointY += heightStep;
}
for (int j = 1; j < PointsArray.GetLength(1) - 1; j++)
{
PointsArray[0, j] = new SimplePoint(pointX, 0d, canvas, false);
PointsArray[PointsArray.GetLength(0) - 1, j] = new SimplePoint(pointX, canvas.ActualHeight, canvas, false);
pointX += widthStep;
}
//middle
pointX = widthStep;
pointY = heightStep;
for (int i = 1; i < PointsArray.GetLength(0) - 1; i++)
{
for (int j = 1; j < PointsArray.GetLength(1) - 1; j++)
{
PointsArray[i, j] = new SimplePoint(pointX, pointY, canvas);
pointX += widthStep;
}
pointX = widthStep;
pointY += heightStep;
}
//edges and triangles
for (int i = 0; i < PointsArray.GetLength(0) - 1; i++)
{
for (int j = 0; j < PointsArray.GetLength(1) - 1; j++)
{
TrianglesList.Add(new Triangle(PointsArray[i, j], PointsArray[i + 1, j], PointsArray[i, j + 1], canvas, triangleFillingMode));
TrianglesList.Add(new Triangle(PointsArray[i + 1, j + 1], PointsArray[i, j + 1], PointsArray[i + 1, j], canvas, triangleFillingMode));
EdgesList.Add(new Edge(PointsArray[i, j], PointsArray[i, j + 1], canvas));
EdgesList.Add(new Edge(PointsArray[i, j], PointsArray[i + 1, j], canvas));
EdgesList.Add(new Edge(PointsArray[i + 1, j], PointsArray[i, j + 1], canvas));
}
}
//right and down of frame
for (int i = 0; i < PointsArray.GetLength(0) - 1; i++)
{
EdgesList.Add(new Edge(PointsArray[i, PointsArray.GetLength(1) - 1], PointsArray[i + 1, PointsArray.GetLength(1) - 1], canvas));
}
for (int j = 0; j < PointsArray.GetLength(1) - 1; j++)
{
EdgesList.Add(new Edge(PointsArray[PointsArray.GetLength(0) - 1, j], PointsArray[PointsArray.GetLength(0) - 1, j + 1], canvas));
}
}
public Edge(SimplePoint first, SimplePoint second, Canvas canvas)
{
First = first;
Second = second;
this.canvas = canvas;
Draw();
First.PropertyChanged += MoveWithPoints;
Second.PropertyChanged += MoveWithPoints;
}
public Triangle(SimplePoint p1, SimplePoint p2, SimplePoint p3, Canvas canvas, TriangleFillingMode fillingMode)
{
this.p1 = p1;
this.p2 = p2;
this.p3 = p3;
p1.PropertyChanged += RedrawTriangleEventResponder;
p2.PropertyChanged += RedrawTriangleEventResponder;
p3.PropertyChanged += RedrawTriangleEventResponder;
this.canvas = canvas;
this.fillingMode = fillingMode;
RenewRand();
}
public IntPoint(SimplePoint p)
{
X = (int)Math.Round(p.X);
Y = (int)Math.Round(p.Y);
}