whackamole

var b = require('bonescript');

//x
b.pinMode("P8_7",b.OUTPUT);
b.pinMode("P8_8",b.OUTPUT);
b.pinMode("P8_9",b.OUTPUT);
b.pinMode("P8_10",b.OUTPUT);

//y input
b.pinMode("P8_11",b.INPUT);
b.pinMode("P8_12",b.INPUT);
b.pinMode("P8_13",b.INPUT);
b.pinMode("P8_14",b.INPUT);

//y output
b.pinMode("P8_15",b.OUTPUT);
b.pinMode("P8_16",b.OUTPUT);
b.pinMode("P8_17",b.OUTPUT);
b.pinMode("P8_18",b.OUTPUT);

setInterval(Cycle,100);

var cstep = 0;
var cstate = b.Low;

function Cycle(){
    b.digitalWrite("USR" + cstep,cstate);
    cstep++;
    if(cstep > 3){
        cstep = 0;
        if(cstate == b.HIGH){
            cstate = b.LOW;
        }
        else{
            cstate = b.HIGH;
        }
    }
}

//setInterval(Update,250);

var x = 0;
var y = 0;

function Update(){
    b.digitalWrite("P8_" + (7+x),b.LOW);
    b.digitalWrite("P8_1" + (5+y),b.LOW);

    if(Math.random() > 0.5){
        x++;
        if(x > 3){
            x = 0;
        }
    }
    else{
        y++;
        if(y > 3){
            y = 0;
        }
    }

    b.digitalWrite("P8_" + (7+x),b.HIGH);
    b.digitalWrite("P8_1" + (5+y),b.HIGH);
}