public static void plot4points(
Point3D loc, Map map, int x, int y, CirclePoint start, CirclePoint end,
DoEffect_Callback effect, bool opposite
)
{
var pointA = new Point2D(loc.X - x, loc.Y - y);
var pointB = new Point2D(loc.X - y, loc.Y - x);
var quadrant = 2;
if (x == 0 && start.Quadrant == 3)
{
quadrant = 3;
}
if (WithinCircleBounds(quadrant == 3 ? pointB : pointA, quadrant, loc, start, end, opposite))
{
effect(new Point3D(loc.X + x, loc.Y + y, loc.Z), map);
}
quadrant = 3;
if (y == 0 && start.Quadrant == 0)
{
quadrant = 0;
}
if (x != 0 && WithinCircleBounds(quadrant == 0 ? pointA : pointB, quadrant, loc, start, end, opposite))
{
effect(new Point3D(loc.X - x, loc.Y + y, loc.Z), map);
}
if (y != 0 && WithinCircleBounds(pointB, 1, loc, start, end, opposite))
{
effect(new Point3D(loc.X + x, loc.Y - y, loc.Z), map);
}
if (x != 0 && y != 0 && WithinCircleBounds(pointA, 0, loc, start, end, opposite))
{
effect(new Point3D(loc.X - x, loc.Y - y, loc.Z), map);
}
}
public static void Circle2D(Point3D loc, Map map, int radius, DoEffect_Callback effect)
{
Circle2D(loc, map, radius, effect, 0, 360);
}