计算几何--判断点是否在矩形里

/**
 * Created with IntelliJ IDEA.
 * @author: DongYang
 * Date: 13-7-3
 * Time: 下午1:57
 * Progress every day a little more.
 */
package test {
import flash.geom.Point;
import flash.geom.Rectangle;

public class Geometry {
    /**
     * 判断点是否在矩形里
     * @param p 需要判断的点
     * @param rect 矩形
     * @return Boolean  判断结果
     * */
    public static function pointInRectangle(p:Point,rect:Rectangle):Boolean{
        if(p==null&&rect==null){
            return false;
        }
        if(p.x>rect.x&&p.x<(rect.x+rect.width)&&p.y>rect.y&& p.y<(rect.y+rect.height)){
            return true;
        }
        return false;
    }
}
}