export class Vec3 { constructor(values = { x: 0, y: 0, z: 0 }) { this.x = values.x; this.y = values.y; this.z = values.z; } add(vector) { this.x += vector.x; this.y += vector.y; this.z += vector.z; } multiply(vector) { this.x *= vector.x; this.y *= vector.y; this.z *= vector.z; } clone() { return new Vec3({ x: this.x, y: this.y, z: this.z }); } }