cn-sensei-guides/03-orange/03-ninja-race.js

//***********************Scene Object - Initialize When Scene Starts Event****************//
if($this. scene. state () == "PLAY" ) {
    // place both the road images
    road1.x(0);
    roadl.y(0);
    road2.x(0);
    road2.y(-1200);
}

//**********************road Object - Update Every Frame Event***************************//
// move the road down
$this.moveY();
// check to see if the road is off the screen
if ($this.y() > 1200) {
// move it back to the top of the screen
$this.y(-1200);
}

//**********************cycleRed Object - Update Every Frame Event***********************//
// move the cycle left
if (isKeyPressed(Keys.a)) {
    $this.moveX(-100);
}
    // move the cycle right
    if (isKeyPressed(Keys.d)) {
    $this.moveX(l00);
}
    // if the cycle touches the boost
    // move the cycle up
    if ($this.isTouching(boost)) {
    $this.moveY (-50);
}
    // if the cycle touches the mud
    // move the cycle down
    if ($this.isTouching(mud)) {
    $this.moveY(50);
}

//************************cycleBlue Object - Update Every Frame Event*********************//
// move the cycle left
if (isKeyPressed(Keys.leftArrow)) {
    $this.moveX(-100);
}
// move the cycle right
if (isKeyPressed (Keys.rightArrow)) {
    $this.moveX(l00);
}
// if the cycle touches the boost
// move the cycle up
if ($this.isTouching (boost)) {
    $this.moveY(-50);
}
// if the cycle touches the mud
// move the cycle down
if ($this.isTouching (mud)) {
    $this.moveY(50);
}

//**************************mud and boost Objects - Update Every Frame Event***************//
// move it down
$this.moveY();

// if the it moves off the bottom of the screen
if ($this.y() >= 600) {
    // pick a random x within the screen
    $this.x(random(l00, 700));
    // pick a random y above the screen
    $this.y(random(-200 , -600));
}

//**************************message Object - Update Every Frame Event***********************//
// store they values
var redY = cycleRed.y();
var blueY = cycleBlue.y();

// determine a winner or who is in the lead
if (redY <= 50) {
    message.text("Red wins!");
} else if (blueY <= 50) {
    message.text("Blue wins!");
} else if (redY < blueY) {
    message.text("Red is in the lead!");
} else if (blueY < redY) {
    message.text("Blue is in the lead!");
} else {
    message.text("Tied!");
}