arrayindex.java

用JAVA做的小游戏"贪吃蛇"

public class ArrayIndex {
	private int x;
	private int y;
	ArrayIndex(int x,int y){
		this.x=x;
		this.y=y;
	}
	int getX(){
		return x;
	} 
	int getY(){
		return y;
	}
	void setX(int x){
		this.x=x;
	}
	void setY(int y){
		this.y=y;
	}
	public boolean equalOrRev(ArrayIndex e){
		return ((e.getX()==getX())&&(e.getY()==getY()))
		||((e.getX()==getX())&&(e.getY()==-1*getY()))	
		||((e.getX()==-1*getX())&&(e.getY()==getY()));

	}
	public boolean equals(ArrayIndex e){
		return(e.getX()==getX())&&(e.getY()==getY());
	}
	
	public boolean reverse(ArrayIndex e){
		return ((e.getX()==getX())&&(e.getY()==-1*getY()))	
		||((e.getX()==-1*getX())&&(e.getY()==getY()));
	}	
}