private void PlaceVectors(NumberVector start)
{
//float angleSpan = 137.507f;
float angleSpan = 360 / 72.0f;
for (int i = 2; i <= 72; i++)
{
var vector = NumberVector.CreateForNumber(i);
var distance = (vector - start).GetLength();
var position = new Vector2DF(1, 1);
position.Degree = angleSpan * i;
position.Length = distance * DistanceUnit;
position += new Vector2DF(320, 320);
var obj = new TextObject2D()
{
Text = i.ToString(),
Font = font,
Position = position,
Color = vector.IsPrime() ? Helper.AccentColor1 : Helper.PlaneColor,
DrawingPriority = 2,
};
var size = font.CalcTextureSize(i.ToString(), WritingDirection.Horizontal);
obj.CenterPosition = size.To2DF() / 2;
layer.AddObject(obj);
}
}
public void Draw(int baseNumber)
{
var start = NumberVector.CreateForNumber(baseNumber);
PlaceVectors(start);
DrawCircle(start);
}
private void DrawCircle(NumberVector start)
{
// Draw circle.
var primeRadius = Math.Sqrt(Math.Pow(start.GetLength(), 2) + 1);
for (int i = 1; i < 12; i++)
{
var radius = (float)Math.Sqrt(i);
var isPrime = Math.Abs(primeRadius - radius) < 0.1f;
var diameter = radius * DistanceUnit * 2;
var circle = new GeometryObject2D()
{
Position = new Vector2DF(320, 320),
Shape = new CircleShape()
{
Position = new Vector2DF(0, 0),
InnerDiameter = diameter - 1.5f,
OuterDiameter = diameter
},
Color = isPrime ? Helper.AccentColor2 : Helper.PaleColor
};
layer.AddObject(circle);
}
}