private Triangle CreateTriangle(Point position, Vector direction)
{
direction.Normalize();
direction *= vectorLength;
Point p1 = position + 1.7 / 3 * direction;
Point basePoint = position - 0.3333333 * direction;
var perpendicular = direction.Perpendicular();
perpendicular.Normalize();
perpendicular *= 0.166666666666;
Point p2 = basePoint + perpendicular;
Point p3 = basePoint - perpendicular;
Triangle triangle = trianglesPool.GetOrCreate();
triangle.Point1 = new Point3D(p1.X, p1.Y, 0);
triangle.Point2 = new Point3D(p2.X, p2.Y, 0);
triangle.Point3 = new Point3D(p3.X, p3.Y, 0);
return triangle;
}