private ICustomPoint[] InitStartCoordinates()
{
ICustomPoint[] coords = new ICustomPoint[3];
coords.SetValue(new CPoint(300, 0), 0);
coords.SetValue(new CPoint(0, 600), 1);
coords.SetValue(new CPoint(600, 600), 2);
return(coords);
}
private void Draw(ICustomPoint[] coordinates, int level)
{
if (level == 0)
{
DrawTriangle(coordinates);
return;
}
level--;
ICustomPoint[,] innerTrianglesCoords = CalculateInnerTrianglesCoordinates(coordinates, _scale);
for (var i = 0; i < 3; i++)
{
ICustomPoint[] innerTriangleCoords = new ICustomPoint[3];
for (var j = 0; j < 3; j++)
{
innerTriangleCoords.SetValue(innerTrianglesCoords[i, j], j);
}
Draw(innerTriangleCoords, level);
}
}
private ICustomPoint[,] CalculateInnerTrianglesCoordinates(ICustomPoint[] outerTriangleCoords, double scale)
{
ICustomPoint[,] newCoords = new ICustomPoint[outerTriangleCoords.Length, outerTriangleCoords.Length];
for (var i = 0; i < outerTriangleCoords.Length; i += 1)
{
ICustomPoint current = outerTriangleCoords[i];
ICustomPoint next = null;
ICustomPoint prev = null;
newCoords.SetValue(current, i, 0);
if (i == 0)
{
next = outerTriangleCoords[i + 1];
prev = outerTriangleCoords[i + 2];
}
else if (i == outerTriangleCoords.Length - 1)
{
next = outerTriangleCoords[i - 1];
prev = outerTriangleCoords[i - 2];
}
else
{
next = outerTriangleCoords[i + 1];
prev = outerTriangleCoords[i - 1];
}
ICustomPoint nextPointCoords = current.GetPointOnLine(next, scale);
ICustomPoint prevPointCoords = current.GetPointOnLine(prev, scale);
newCoords.SetValue(nextPointCoords, i, 1);
newCoords.SetValue(prevPointCoords, i, 2);
}
return(newCoords);
}
private void _calculateNewCoordinates()
{
var newPoints = new ICustomPoint[4];
for (int counter = 0; counter < _points.Length; counter++)
{
var currentPoint = _points[counter];
var nextPoint = counter == _points.Length - 1 ? _points[0] : _points[counter + 1];
var newPoint = currentPoint.GetPointOnLine(nextPoint, _scale);
newPoints.SetValue(newPoint, counter);
}
_points = newPoints;
}