/// <summary>
/// Checks whether the point has changes relative to the specified other point.
/// </summary>
/// <param name="other">The point to compare against.</param>
/// <returns>True if the point has changes, false otherwise.</returns>
internal bool IsChanged(TPoint other)
{
return(this.X != other.X || this.Y != other.Y);
}
/// <summary>
/// Converts the parameters for a circle to a rectangle containing the circle.
/// </summary>
/// <param name="center">The center of the circle.</param>
/// <param name="radius">The radius of the circle.</param>
/// <returns>The containing rectangle.</returns>
public static Rectangle CircleToRectangle(TPoint center, int radius)
{
return(new Rectangle(center.X - radius, center.Y - radius, radius * 2, radius * 2));
}
/// <summary>
/// Translates a point according the circular definition of a distance.
/// </summary>
/// <param name="start">The point to translate.</param>
/// <param name="distance">The distance to translate the point.</param>
/// <param name="angle">The angle to translate the point at.</param>
/// <returns>The translated point.</returns>
public static TPoint CircularTranslate(this TPoint start, int distance, float angle)
{
return(new TPoint(start.X + distance * Cos(angle), start.Y + distance * Sin(angle)));
}
/// <summary>
/// Converts the parameters for a circle to a rectangle containing the circle.
/// </summary>
/// <param name="center">The center of the circle.</param>
/// <param name="radius">The radius of the circle.</param>
/// <returns>The containing rectangle.</returns>
public static Rectangle CircleToRectangle(TPoint center, int radius)
{
return new Rectangle(center.X - radius, center.Y - radius, radius * 2, radius * 2);
}