Portal On and Off

portal-on-and-off

var gemCon = 0
var swCon = 0

func portalCheck() {
    if gemCon == 0 {
        purplePortal.isActive = false
    } else if gemCon == 4 {
        purplePortal.isActive = true
    }
    if swCon == 1 {
        purplePortal.isActive = false
    }
}

while gemCon < 7 || swCon < 1 {
    moveForward()
    portalCheck()
    if isOnGem {
        collectGem()
        gemCon = gemCon + 1
    } else if isOnClosedSwitch {
        toggleSwitch()
        swCon = swCon + 1
    }
    if isBlocked {
        turnLeft()
        turnLeft()
    }
    
}