diff --git a/src/js/ball.js b/src/js/ball.js
index eeac0fb..e1c20e7 100644
--- a/src/js/ball.js
+++ b/src/js/ball.js
@@ -94,7 +94,6 @@ class Ball extends PIXI.Graphics {
                 }
             }
     }
-
     bounce(ball) {
         const m = scale(add(this.position, ball.position), 0.5)
         const n1 = normalize(sub(this.position, ball.position), this.r)
@@ -167,4 +166,4 @@ function setupBalls(numBalls, maskProb, vaccineProb, fatalityProb) {
     }
 }
 
-export { balls, setupBalls }
+export { balls, setupBalls }
\ No newline at end of file
diff --git a/src/js/vector.js b/src/js/vector.js
index b64ebfb..b3c7cf3 100644
--- a/src/js/vector.js
+++ b/src/js/vector.js
@@ -3,13 +3,11 @@ function add(point1, point2) {
     newPoint.set(point1.x + point2.x, point1.y + point2.y)
     return newPoint
 }
-
 function sub(point1, point2) {
     const newPoint = point1.clone()
     newPoint.set(point1.x - point2.x, point1.y - point2.y)
     return newPoint
 }
-
 function scale(point, k) {
     const newPoint = point.clone()
     newPoint.set(k * point.x, k * point.y)