Variable Geometry

<script> /*Inspired by David Reinfurt's work - Multi*/ let moving_size = 50; let static_size = 20;

function setup() {

 createCanvas(windowWidth, windowHeight);
 frameRate(15);

}

function draw() {

 //background
 background(random(230, 240));
 //left
 noStroke()
 fill(0);
 rect(97, 169, 79, 12);

 //right
 rect(365, 184, 20, 15);
 fill(20, 20, 120);

 beginShape();
 vertex(365, 199);
 vertex(385, 199);
 vertex(372, 216);
 vertex(358, 216);
 endShape(CLOSE);

 //bottom
 noFill();
 stroke(130);
 strokeWeight(2);
 ellipse(255, 350, static_size, static_size);

 //mouse interactions
 stroke(180);
 ellipse(mouseX, mouseY, moving_size, moving_size);

 if (mouseIsPressed) {
   static_size = floor(random(5, 20));
}

} </script>