public static bool IsPointInRectangle(Point point, Point pointLeftBottom, Point pointRightTop) { bool isBetweenTopAndBottom = (point.X >= pointLeftBottom.X) && (point.X <= pointRightTop.X); bool isBetweenLeftAndRight = (point.Y >= pointLeftBottom.Y) && (point.Y <= pointRightTop.Y); return isBetweenLeftAndRight && isBetweenTopAndBottom; }
public static Point TransformCoordinates(Point pointForm, IFiniteElement elementFrom, IFiniteElement elementTo) { Point res = new Point(); res.X = elementTo[0].Point.X + ((pointForm.X - elementFrom[0].Point.X) * (elementTo[2].Point.X - elementTo[0].Point.X)) / (elementFrom[2].Point.X - elementFrom[0].Point.X); res.Y = elementTo[0].Point.Y + ((pointForm.Y - elementFrom[0].Point.Y) * (elementTo[2].Point.Y - elementTo[0].Point.Y)) / (elementFrom[2].Point.Y - elementFrom[0].Point.Y); return res; }