Project 10 Sonic Story

// tjchen 
// hand in 10 project 
// life of a balloon 


var vol = 0.75 // set global volume 

function preload() {
    // call loadImage() and loadSound() for all media files here
    deflate = loadSound("https://courses.ideate.cmu.edu/15-104/f2020/wp-content/uploads/2020/11/shortdeflate.wav");
    inflate = loadSound("https://courses.ideate.cmu.edu/15-104/f2020/wp-content/uploads/2020/11/inflate.wav");
    bpop = loadSound("https://courses.ideate.cmu.edu/15-104/f2020/wp-content/uploads/2020/11/pop.wav");
    slowDeflate = loadSound("https://courses.ideate.cmu.edu/15-104/f2020/wp-content/uploads/2020/11/longdeflate_2.wav");
}

function soundSetup() { // setup for audio generation
        deflate.setVolume(vol);
        inflate.setVolume(vol);
        bpop.setVolume(vol);
        slowDeflate.setVolume(vol);
}

// set up balloon movement 
function balloonStep(){
    this.dx = random(-20,20);
    this.dy = random(-20,20);

    //first inflate

    if (this.age > 0 & this.age <= 200){
        this.size += 1; 
    
    //slow deflate 

    } else if (this.age > 200 & this.age <= 400){
        this.y -= 1; 
        this.size -= 0.3

    // quick deflate and fly around 

    } else if (this.age > 400 & this.age <= 600){
        this.x += this.dx;
        this.y += this.dy;
        if (this.x > width) { // bounce off right wall
            this.x = width - (this.x - width);
            this.dx = -this.dx;
        } else if (this.x < 0) { // bounce off left wall
            this.x = -this.x;
            this.dx = -this.dx;
        }
        if (this.y > height) { // bounce off bottom
            this.y = height - (this.y - height);
            this.dy = -this.dy;
        } else if (this.y < 0) { // bounce off top
            this.y = -this.y;
            this.dy = -this.dy;
        }
        this.size -= 0.4;

    //inflate again 

    }else if (this.age > 600 & this.age <800){
        this.size += 2;
        if(this.size > width){

    // balloon pops

            rect(0,0,width,height);
        } 

    // resets 

    } else if (this.age>800) {
        this.age = 0;
        this.size = 20;
        this.x = width/2;
        this.y = height/2;
    }
    this.age ++; 
}

function balloonDraw(){
    noStroke();
    fill(255,0,0);
    circle(this.x,this.y,this.size);
}

function makeballoon(px,py,pdx,pdy){
    balloon = {x: px, y: py, dx: pdx, dy: pdy, size: 20, stepfunction: balloonStep, drawfunction: balloonDraw, age: 0}
    return balloon; 
}

function setup() {
    createCanvas(400, 400);
    useSound();
    var b = makeballoon(width/2, height/2, random(-10,10), random(-10,10));
}

function draw() {
    background(0);
    balloon.stepfunction();
    balloon.drawfunction();
    // pop! text graphic 
    if (balloon.size > width){
            push();
            textSize(150);
            textAlign(CENTER);
            fill(0);
            text('POP!',width/2,height/2+40);
            pop();
    }
    var bo = false;

    //check balloon age and toggle sound based on it's state 

    if (balloon.age >= 0 & balloon.age <= 1){
       bo = true 
       if (bo == true){
            inflate.play();
       }
    }
    if (balloon.age >= 200 & balloon.age <= 201){
       bo = true 
       if (bo == true){
            slowDeflate.play();
       }
    }
    if (balloon.age >= 400 & balloon.age <= 401){
       bo = true 
       if (bo == true){
            deflate.play();
       }
    }
    if (balloon.age >= 600 & balloon.age <= 601){
       bo = true 
       if (bo == true){
            inflate.play();
       }
    }
    if (balloon.age >= 750 & balloon.age <= 751){
       bo = true 
       if (bo == true){
            bpop.play();
       }
    }
}