oopsie woopsie

xen.ts

@@ -55,15 +55,15 @@ class Vec3 {
     }
 
     mul(multiplicand: number): Vec3 {
-        return new Vec3(this.x * multiplicand, this.y * multiplicand, this.y * multiplicand);
+        return new Vec3(this.x * multiplicand, this.y * multiplicand, this.z * multiplicand);
     }
 
     div(divisor: number): Vec3 {
-        return new Vec3(this.x / divisor, this.y / divisor, this.y / divisor);
+        return new Vec3(this.x / divisor, this.y / divisor, this.z / divisor);
     }
 
     dot(v: Vec3): number {
-        return this.x * v.x + this.y * v.y;
+        return this.x * v.x + this.y * v.y + this.z * v.z;
     }
 
     length(): number {