//Return a LineBatch contain the lines that make up a filled circle of specified colour.
public static LineBatch FilledCircle(Vec2 position, int radius, Brush colour)
{
var lineBatch = new LineBatch();
lineBatch.SetColour(colour);
lineBatch.LineThickness = 1;
var increment = 360 / 45 / 4;
var a = 0f;
while (a < 360)
{
var heading = (a + increment) * (Math.PI / 180);
var newLightLine = new LightLine
{
X1 = position.X,
Y1 = position.Y,
X2 = Math.Cos(heading) * radius + position.X,
Y2 = Math.Sin(heading) * radius + position.Y
};
lineBatch.Add(newLightLine);
a += increment;
}
return(lineBatch);
}
//Return a line batch that contains lines that make up a box of specifed width, height, line thickness and colour.
public static LineBatch Border(double width, double height, double lineThickness, Brush colour)
{
var border = new LineBatch();
border.SetColour(Brushes.Black);
border.LineThickness = lineThickness;
border.SetColour(colour);
var newLightLine = new LightLine
{
X1 = 0,
Y1 = 0,
X2 = width,
Y2 = 0
};
var newLightLine2 = new LightLine
{
X1 = 0,
Y1 = 0,
X2 = 0,
Y2 = height
};
var newLightLine3 = new LightLine
{
X1 = width,
Y1 = 0,
X2 = width,
Y2 = height
};
var newLightLine4 = new LightLine
{
X1 = 0,
Y1 = height,
X2 = width,
Y2 = height
};
border.Add(newLightLine);
border.Add(newLightLine2);
border.Add(newLightLine3);
border.Add(newLightLine4);
return(border);
}
//Return a LineBatch contain the lines that make up a circle of a specified colour.
public static LineBatch Circle(Vec2 position, int radius, Brush colour)
{
var lineBatch = new LineBatch();
lineBatch.SetColour(colour);
int increment = 360 / 45 / 4;
for (var a = 0; a < 360; a += increment)
{
var heading1 = a * (Math.PI / 180);
var heading2 = (a + increment) * (Math.PI / 180);
var newLightLine = new LightLine
{
X1 = Math.Cos(heading1) * radius + position.X,
Y1 = Math.Sin(heading1) * radius + position.Y,
X2 = Math.Cos(heading2) * radius + position.X,
Y2 = Math.Sin(heading2) * radius + position.Y
};
lineBatch.Add(newLightLine);
}
return(lineBatch);
}
