Project 4: String Art

var x = 250;
var y = 25;
var x2 = 300;
var y2 = 250;

function setup() {
    createCanvas(300,300);
    background('blue');
}

function draw() {
  
  //setting up colors and background to help lines stand out
    background(255,5);
    stroke(255);
    if (mouseIsPressed){
     var R = random(200,255);
     var B = random(200,255);
     strokeWeight(random(0,3));
     stroke(R,0,B,random(50,100));
    }else{
     strokeWeight(random(0,10));
     stroke(255);
     background(0,random(0,50),random(0,50));

    }
    line(x,250,100,y);
    line(250,height - y,width - x,100);
    line(width - x,300,50,height - y);
    line(250,y,x,0);

    // top left and bottom right corner curves
    line(100,y2,x,50);
    line(300,height - y2,width - x,300);

    //string animation
    x += 5;
    y += 1;
    x2 -= 5;
    y2 -= 1;

    //trying to set parameters for the line movements
    x = constrain(x,100,300);
    y = constrain(y,0,300);
    x2 = constrain(x2,50,300);
    y2 = constrain(y2,25,250);

    //loop and reset 
    if (x == 300 & y == 300 && x2 == 50 && y2 == 25) {
        x = x2;
        y = y2;
        y2 = 250;
    }
}