Helicopter'

var MAX = 12;
var TERRAIN_WIDTH = 10;
var MIN_TERRAIN_HEIGHT = getHeight()/25;
var MAX_TERRAIN_HEIGHT = getHeight()/10;
var NUM_OBSTACLES = 4;

var DUST_Y_BUFFER = 10;

var OBSTACLE_WIDTH = 30;

var pressed;
var flying;
var plane;
var obstacles;

var score;
var scoreLabel;

var clickToStart;

var dust;

function start(){
	addMenu();

obstacles = [];
	dust = [];
	score = 0;
	flying = 0;
	pressed = false;

mouseDownMethod(mousePressed);
	mouseUpMethod(mouseUp);
	waitForClick();
	setTimer(game, 40);
	
	setBackgroundColor(Color.black);
	plane = new WebImage(ImageLibrary.Objects.helicopter);
	plane.setSize(50, 25);
	plane.setPosition(getWidth()/3, getHeight()/2);
	add(plane);	
	
	createTerrain();
	
	scoreLabel = new Text(score);
	scoreLabel.setPosition(10, 30);
	scoreLabel.setColor(Color.white);
	add(scoreLabel);
}

function addMenu() {
	clickToStart = new Text("Click to Start");
	clickToStart.setPosition(getWidth()/2 - clickToStart.getWidth()/2, getHeight()/3);
	clickToStart.setColor(Color.white);
	add(clickToStart);
}

function mousePressed(e) {
	pressed = true;
}

function mouseUp(e) {
	pressed = false;
}

function updateScore() {
	scoreLabel.setLabel(score);
}

function lose() {
	stopTimer(game);
	var lose = new Text("You Lose! Play Again?", "12pt Courier");
	lose.setColor(Color.red);
	lose.setPosition(getWidth()/2 - lose.getWidth()/2, getHeight()/3);
	add(lose);
	waitForClick();
	setTimer(playAgain, 100);
}

function playAgain() {
	stopTimer(playAgain);
	removeAll();
	start();
}

function outOfBounds(){
	var hit_bottom = plane.getY() > getHeight();
	var hit_top = plane.getY() < 0;
	return hit_bottom || hit_top;
}

function game() {
	score += 5;
	updateScore();

remove(clickToStart);
	
	collider = getCollision();
	if (collider != null && collider != plane && collider) {
		lose();
		return;
	}
	
	if(outOfBounds()){
		return lose();
	}
	
	if (pressed) {
		flying -= 1;
		if (flying < -1*MAX) {
			flying = -1*MAX;
		}
	} else {
		flying += 1;
		if (flying > MAX) {
			flying = MAX;
		}
	}

plane.move(0, flying);
	addDust();

moveObstacles();
}

function addDust() {
	var DUST_RADIUS = 3;
	var d = new Circle(DUST_RADIUS);
	d.setPosition(plane.getX() + DUST_RADIUS, plane.getY() + DUST_Y_BUFFER);
	d.setColor("#cccccc");
	dust.push(d);
	add(d);
}

for (var i = 0; i < dust.length; i++) {
		var d = dust[i];
		d.move(-5, 0);
		d.setRadius(d.getRadius()-0.1);
		if (d.getX() < -d.getWidth()) {
			remove(d);
			dust.splice(dust.indexOf(d), 1);
		}
	}
}

Helicopter

Share This Program