我正在尝试设置一些简单的2D形状,可以使用鼠标在窗口周围拖动.我想让形状在我将其拖入另一个时记录碰撞.我有一个界面. @H_502_2@interface ICollidable { bool CollidedWith(Shape other); }

然后我有一个抽象类Shape实现上面的接口.

@H_502_2@abstract class Shape : ICollidable { protected bool IsPicked { private set; get; } protected Form1 Form { private set; get; } protected int X { set; get; } // Usually top left X,Y corner point protected int Y { set; get; } // Used for drawing using the Graphics object protected int CenterX { set; get; } // The center X point of the shape protected int CenterY { set; get; } // The center X point of the shape public Shape(Form1 f,int x,int y) { Form = f; X = x; Y = y; Form.MouseDown += new MouseEventHandler(form_MouseDown); Form.MouseMove += new MouseEventHandler(Form_MouseMove); Form.MouseUp += new MouseEventHandler(Form_MouseUp); } void Form_MouseMove(object sender,MouseEventArgs e) { if(IsPicked) Update(e.Location); } void Form_MouseUp(object sender,MouseEventArgs e) { IsPicked = false; } void form_MouseDown(object sender,MouseEventArgs e) { if (MouseInside(e.Location)) IsPicked = true; } protected abstract bool MouseInside(Point point); protected abstract void Update(Point point); public abstract void Draw(Graphics g); public abstract bool CollidedWith(Shape other); }

然后我有十个具体的类Circle,Square,Rectangle等,它们扩展了Shape类并实现了抽象方法.
我想做的是想出一些oop干净而优雅的方法来进行爆炸检测,而不是在CollidedWith方法中有一大块if语句,例如

@H_502_2@public bool CollidedWith(Shape other) { if(other is Square) { // Code to detect shape against a square } else if(other is Triangle) { // Code to detect shape against a triangle } else if(other is Circle) { // Code to detect shape against a circle } ... // Lots more if statements }

有没有人有任何想法.这是我以前想过的一个问题,但现在才开始实践.