| private RotatePoint ( Point point, Point pivot, double radians ) : Point | ||
| point | Point | |
| pivot | Point | |
| radians | double | |
| 리턴 | Point | |
private Point RotatePoint(Point point, Point pivot, double radians)
{
var cosTheta = Math.Cos(radians);
var sinTheta = Math.Sin(radians);
var x = (int)(cosTheta * (point.X - pivot.X) - sinTheta * (point.Y - pivot.Y) + pivot.X);
var y = (int)(sinTheta * (point.X - pivot.X) + cosTheta * (point.Y - pivot.Y) + pivot.Y);
return new Point(x, y);
}
}