Modernise

src/helper/circle.ts

@@ -1,7 +1,10 @@
 import { vec2 } from 'gl-matrix';
 
 export class Circle {
-  constructor(public center: vec2, public radius: number) {}
+  constructor(
+    public center: vec2,
+    public radius: number
+  ) {}
 
   public distance(target: vec2): number {
     return vec2.distance(this.center, target) - this.radius;