Refactor

src/page/background/vec3.ts

@@ -1,23 +0,0 @@
-import { Vec2 } from './vec2';
-
-export class Vec3 {
-  public static readonly Zero = new Vec3(0, 0, 0);
-
-  public static from(vec2: Vec2, z: number): Vec3 {
-    return new Vec3(vec2.x, vec2.y, z);
-  }
-
-  public constructor(
-    public readonly x: number,
-    public readonly y: number,
-    public readonly z: number
-  ) {}
-
-  public add(other: Vec3): Vec3 {
-    return new Vec3(this.x + other.x, this.y + other.y, this.z + other.z);
-  }
-
-  public multiply(other: Vec3): Vec3 {
-    return new Vec3(this.x * other.x, this.y * other.y, this.z * other.z);
-  }
-}