Project 9: Portrait

//Patrick Fisher, Section B, wpf@andrew.cmu.edu Assignment -09-project
let img;
let drawState = 0; //variable to change the type of drawing that is happeing
let x2 = 5; //startin x variable for the bouncing drawing
let y2 = 5; //startin y variable for the bouncing drawing
let r2 = 5; //startin radius variable for the bouncing drawing
let dx2; //delta for x for bouncing drawing
let dy2; //delta for y for bouncing drawing
var ly1; //first end of the line for the line drawing
var ly2; //second end of the line for line drawing
var lx; //mid x point of the line for line drawing

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

function setup() {
    createCanvas(480, 480);
    img.resize(480,480); //fits image to canvas
    imageMode(CENTER);
    noStroke();
    background(255);
    img.loadPixels();
    dx2 = floor(random(1,10)); //sets delta x
    dy2 = floor(random(1,10)); //sets delta y
    while(dy2 == dx2){ //makes sure the deltas are not the same
        dy2 = floor(random(1,10));
    }
    ly1 = random(0,height); //sets the random line locations
    ly2 = random(0,height);
    lx = random(50,width-50); 
}
function draw() {
    if(drawState == 0){ //line drawings
        push();
        strokeWeight(4);
        let pix = img.get(lx,(ly1+ly2)/2);
        stroke(pix,128);
        line(lx-50,ly1,lx+50,ly2);
        ly1 = random(0,height);
        ly2 = random(0,height);
        lx = random(50,width-50);
        pop();
    }
    if(drawState == 1){ //bouncing drawing
        let pix = img.get(x2,y2);
        fill(pix,128);
        circle(x2,y2,2*r2);
        x2 += dx2;
        y2 += dy2;

        if(x2 >= width){
            dx2 = -dx2;
        }
        if(y2 >= height){
            dy2 = -dy2;
        }

        if(x2 <= 0){
            dx2 = -dx2;
        }
        if(y2 <= 0){
            dy2 = -dy2;
        }

    }
    if(drawState == 2){ //  square loop drawing
        var xy3 = mouseX/10;
        var rcnum = height/(xy3+1); //variable for the width of the square based on how many squares there are
        background(255);
        for(var col = 0; col <=xy3; col++){
            for(var row = 0; row <= xy3; row++){
                let pix = img.get((row*(rcnum))+(rcnum)/2,(col*(rcnum))+(rcnum)/2);
                fill(pix,128);
                square(row*(rcnum),col*(rcnum),(rcnum));
            }
        }
    }

}

function mousePressed (){ //changes the drawing with a press of the mouse
    if(drawState == 0) {
        background(255);
        drawState = 1;
    }
    else if(drawState == 1){
        background(255);
        drawState = 2;
    }
    else if(drawState == 2){
        background(255);
        drawState = 0;
    }
}