Project-09

var img;
var words = ['Beijing', 'Kunming', 'Pittsburgh','Alice']
var number = 1;

//preload image
function preload() {
    img = loadImage('https://i.imgur.com/QwF6omd.jpeg');
}

function setup() {
    createCanvas(400, 480);
    //resize image to fit canvas
    img.resize(width, height);
    frameRate(400);

    imageMode(CENTER);
    noStroke();
    background(255);
    img.loadPixels();
}

//draw image
function draw() {
    if(number==1) {
        drawWord();
    } else {
        drawPolygon(); 
    }
  
} 

function drawPolygon() {
    var x = floor(random(img.width));
    var y = floor(random(img.height));

    //picking color
    var pix = img.get(x, y);
    fill(pix, 128);

    //draw the random shape
    beginShape();
    vertex(x,y);
    vertex(x-(random(4,7)), y+(random(10, 25)));
    vertex(x-(random(4,7)), y+(random(25, 40)));
    vertex(x,y+(random(40, 60)));
    vertex(x+(random(4,7)), y+(random(25, 40)));
    vertex(x+(random(4,7)), y+(random(10, 25)));
    endShape();
    
}

function drawWord() {
    var x = floor(random(img.width));
    var y = floor(random(img.height));

    var pix = img.get(x, y);
    fill(pix, 128);
    textSize(random(3,15))

    //randomly pick words to draw
    text(words[int(random(0,4))], x, y)
}

function mousePressed() {
    //changing between two options
    number++;
    if(number > 2) {
      number = 1
    }
    background(255)
}