/// <summary>
/// Check if two circles are in collision
/// </summary>
/// <param name="circleA"></param>
/// <param name="circleB"></param>
/// <returns></returns>
public static bool Collide(YnCircle circleA, YnCircle circleB)
{
int r2 = (circleA.X - circleB.X) * (circleA.X - circleB.X) + (circleA.Y - circleB.Y) * (circleA.Y - circleB.Y);
return r2 > ((circleA.Radius + circleB.Radius) * (circleA.Radius + circleB.Radius));
}
/// <summary>
/// Check if two circles are in collision
/// </summary>
/// <param name="circleA"></param>
/// <param name="circleB"></param>
/// <returns></returns>
public static bool Collide(YnCircle circleA, YnCircle circleB)
{
int r2 = (circleA.X - circleB.X) * (circleA.X - circleB.X) + (circleA.Y - circleB.Y) * (circleA.Y - circleB.Y);
return(r2 > ((circleA.Radius + circleB.Radius) * (circleA.Radius + circleB.Radius)));
}
/// <summary>
/// Check if a point is in the circle
/// </summary>
/// <param name="x">X coordinate</param>
/// <param name="y">Y coordinate</param>
/// <param name="circle">A circle</param>
/// <returns>True if collide then false</returns>
public static bool Collide(int x, int y, YnCircle circle)
{
int r2 = (x - circle.X) * (x - circle.X) + (y - circle.Y) * (y - circle.Y);
return r2 > (circle.Radius * circle.Radius);
}
/// <summary>
/// Check if a point is in the circle
/// </summary>
/// <param name="x">X coordinate</param>
/// <param name="y">Y coordinate</param>
/// <param name="circle">A circle</param>
/// <returns>True if collide then false</returns>
public static bool Collide(int x, int y, YnCircle circle)
{
int r2 = (x - circle.X) * (x - circle.X) + (y - circle.Y) * (y - circle.Y);
return(r2 > (circle.Radius * circle.Radius));
}
