编辑代码

//定义行和列
let rows=9
let cols=5
//定义干扰项数量
let distractorMount=3
//定义上下两个图行数组
var ivl:Array<String>=[]
var iv2:Array<String>=[]
//定义上下相同的干扰数组
var cords:Array<(Int,Int)>=[]
//定义上下不同项的数组
var errorCords:Array<(Int,Int)>=[]
//干扰项和不同项只能是B,^,v,>,<
let images:Array<String>=["B","^","v",">","<"]


//函数1：初始化图形
func initGame() {
    iv1.removeAll()
    iv2.removeAll()
    for _ in 0..<rows {
        for _ in 0..<cols {
            iv1.append("a")
            iv2.append("a")
        }
    }
}



//函数2：显示
func display(){
    print("up image begin-----")
    for i in 0..<rows {
        for j in 0..<cols {
            print(iv1[i*cols+j],separator: " ", terminator: " ")
        }
        print()
    }
    print("up image end------")
    print("down image begin----")
    for i in 0..<rows {
        for j in 0..<cols {
            print(iv2[i*cols+j],separator: " ", terminator: " ")
        }
        print()
    }
    print("down image end ----")
}



//函数3：生成干扰项随机位置和随机内容
func distractorCerte(mount:Int){
    for _ in o..mount {
        let col = Int(arc4random()) % cols
        let row = Int(arc4random()) % rows
        cords.append(row,col)
        iv1[cols*row + col] = images[index]
        iv2[cols*row + col] = images[index]
    }
}



//函数4：生成不同项的随机位置和随机内容
func differenceCreate(mount:Int) {
    for _ in 0..<mount {
        let col = Int(arc4random()) % cols
        let row = Int(arc4random()) % rows

        errorCords.append((row,col))
        let index = Int(arc4random()) % images.count
        let which = Int(arc4random()) % 2
        if which == 0 {
            iv1[cols*row + col] = images[index]
        }
        eles {
            iv2[cols*row + col] = images[index]
        }
    }
}