Austin Garcia – Project 10 – Group C

sketch

/*  Austin Garcia
		Section C
		aegarcia@andrew.cmu.edu
		Project 10
*/
//I decided to take some old code from a lab that I bugged out on accident
// and use it as a visually interesting way to generate random y VALS
// PLEASE CLICK ON CANVAS AND DRAG mouseX

var balls = [200]
var ball = {
  x: balls,
  y: 0,
  speed: 0,
  display: function() {
  fill(255); ellipse(this.x, this.y, 20, 20);
},
  move: function() {
    this.y = this.y + this.speed;
    this.speed = this.speed + gravity;
},
  bounce: function() {
    if (this.y > height - 11) {
      this.speed = this.speed * -1;
    }
  }
};

var xarray = []
var yarray = []
var size = 0;


var gravity = 0.1;



function setup() {
    // you can change the next 2 lines:
    createCanvas(400, 700);
    createDiv("p5.dom.js library is loaded.");
    //======== call the following to use sound =========
    useSound();
}


function soundSetup() { // setup for audio generation
    // you can replace any of this with your own audio code:
    osc = new p5.TriOsc();
    osc.freq(500);
    osc.amp(.1);
    osc.start();

    osc1 = new p5.TriOsc();
    osc1.freq(200);
    osc1.amp(.1);
    osc1.start();

    frameRate(10)
}


function draw() {
    // you can replace any of this with your own code:
    background(200);
    fill("yellow");
    size = 1

    //draw circle
    for (var i = 0; i < xarray.length; i += 1) {
        ellipse(xarray[i], yarray[i], size, size)
        size += 1
        if (size > 20) {
          size = 1
        }
        yarray.push(random(10, height - 10));
        osc1.freq(yarray[i])


    }

    if (xarray.length > 5 || yarray.length > 5) {
        xarray.shift();
        yarray.shift();
    }
    //draw line
    stroke("orange");
    strokeWeight(4);
    for (var i = 0; i <= xarray.length; i += 1) {
        //for (var n = 0; n <= yarray.length; n += 1){}     ADD THIS IN FOR A COOL EFFECT (DONT FORGET TO CHANGE Y VALS)
            line (xarray[i], yarray[i], xarray[i+1], yarray[i+1]);

        }

    ball.display();
    ball.move();
    ball.bounce();

    osc.freq(-ball.y);
    osc.amp();


}




function mouseDragged() {
    xarray.push(mouseX);
    yarray.push(mouseY);

}

function mousePressed() {
    xarray = []
    yarray = []


}

I lowered the frame rate to give the randomness less of an oppressive sound. I kept the gradual rise and fall of the sphere in the center as a constant element amidst the randomness.