/// <summary>
/// Computes an intersection of the ray and the circle
/// </summary>
public static bool RayCircle(Ray2D ray, Circle2 circle, out IntersectionRayCircle intersection)
{
return(RayCircle(ray.origin, ray.direction, circle.center, circle.radius, out intersection));
}
/// <summary>
/// Tests if the point is inside the circle
/// </summary>
public static bool PointCircle(Vector2 point, Circle2 circle)
{
return(PointCircle(point, circle.center, circle.radius));
}
/// <summary>
/// Computes an intersection of the line and the circle
/// </summary>
public static bool LineCircle(Line2 line, Circle2 circle, out IntersectionLineCircle intersection)
{
return(LineCircle(line.origin, line.direction, circle.center, circle.radius, out intersection));
}
/// <summary>
/// Computes an intersection of the segment and the circle
/// </summary>
public static bool SegmentCircle(Segment2 segment, Circle2 circle, out IntersectionSegmentCircle intersection)
{
return(SegmentCircle(segment.a, segment.b, circle.center, circle.radius, out intersection));
}
/// <summary>
/// Computes an intersection of the circles
/// </summary>
/// <returns>True if the circles intersect or one circle is contained within the other</returns>
public static bool CircleCircle(Circle2 circleA, Circle2 circleB, out IntersectionCircleCircle intersection)
{
return(CircleCircle(circleA.center, circleA.radius, circleB.center, circleB.radius, out intersection));
}
/// <summary>
/// Returns a random point inside a circle
/// </summary>
public static Vector2 PointInCircle2(Circle2 circle)
{
return(PointInCircle2(circle.center, circle.radius));
}
/// <summary>
/// Returns the distance between the closest points on the segment and the circle
/// </summary>
public static float SegmentCircle(Segment2 segment, Circle2 circle)
{
return(SegmentCircle(segment.a, segment.b, circle.center, circle.radius));
}
/// <summary>
/// Returns the distance between the closest points on the ray and the circle
/// </summary>
public static float RayCircle(Ray2D ray, Circle2 circle)
{
return(RayCircle(ray.origin, ray.direction, circle.center, circle.radius));
}
/// <summary>
/// Returns the distance between the closest points on the line and the circle
/// </summary>
public static float LineCircle(Line2 line, Circle2 circle)
{
return(LineCircle(line.origin, line.direction, circle.center, circle.radius));
}
/// <summary>
/// Returns the distance between the closest points on the circles
/// </summary>
/// <returns>
/// Positive value if the circles do not intersect, negative otherwise.
/// Negative value can be interpreted as depth of penetration.
/// </returns>
public static float CircleCircle(Circle2 circleA, Circle2 circleB)
{
return(CircleCircle(circleA.center, circleA.radius, circleB.center, circleB.radius));
}