public bool CheckIntersectWithCircle(RXCircle circle)
{
Vector2 delta = circle.center - this.center;
float radiusSumSquared = (circle.radius + this.radius) * (circle.radius + this.radius);
return(delta.sqrMagnitude <= radiusSumSquared);
}
// NOTE: Rect MUST be axis-aligned for this check
public static bool CheckIntersectWithCircle(this Rect rect, RXCircle circle)
{
// Find the closest point to the circle center that's within the rectangle
Vector2 closest = GetClosestInteriorPoint(rect, circle.center);
// Calculate the distance between the circle's center and this closest point
Vector2 deltaToClosest = circle.center - closest;
// If the distance is less than the circle's radius, an intersection occurs
bool intersection = (deltaToClosest.sqrMagnitude <= circle.radiusSquared);
return(intersection);
}
