sketch.js

var bullet, wall;
var speed, weight, thickness;

function setup() {
  createCanvas(1600,400);
  bullet = createSprite(50, 200, 60, 10);
  bullet.shapeColor = color("white")
  wall = createSprite(1200, 200, thickness, height / 2);
  wall.shapeColor = color("gray");

  speed = random(223, 321);
  weight = random(30, 52);
  thickness = random(22, 83);

  bullet.velocityX = speed;
}

function draw() {
  background("black");  

  if (hasCollided(bullet, wall)){
    bullet.velocityX = 0;
    var damage = 0.5 * weight * speed * speed / (thickness * thickness * thickness);

    if (damage > 10){
      wall.shapeColor = color(255, 0, 0);
    }

    if (damage < 10){
      wall.shapeColor = color(0, 255, 0);
    }
  }

  drawSprites();

}

function hasCollided(lbullet, lwall){
  bulletRightEdge = lbullet.x + lbullet.width;
  wallLeftEdge = lwall.x;

  if (bulletRightEdge >= wallLeftEdge){
    return true;
  } else {
    return false;
  }
}