Fix access modifier

src/main/java/de/oshgnacknak/gruphi/Vector.java

@@ -2,18 +2,18 @@ package de.oshgnacknak.gruphi;
 
 public class Vector {
 
-    double x, y;
+    public double x, y;
 
     public Vector(double x, double y) {
         this.x = x;
         this.y = y;
     }
 
-    Vector copy() {
+    public Vector copy() {
         return new Vector(x, y);
     }
 
-    Vector add(Vector v) {
+    public Vector add(Vector v) {
         x += v.x;
         y += v.y;
         return this;
@@ -25,7 +25,7 @@ public class Vector {
         return this;
     }
 
-    Vector mul(double d) {
+    public Vector mul(double d) {
         x *= d;
         y *= d;
         return this;
@@ -35,11 +35,11 @@ public class Vector {
         return x*v.x + y*v.y;
     }
 
-    double mag() {
+    public double mag() {
         return Math.sqrt(dot(this));
     }
 
-    Vector norm() {
+    public Vector norm() {
         return mul(1 / mag());
     }
 
@@ -47,18 +47,18 @@ public class Vector {
         return mul(mag/this.mag());
     }
 
-    double dist(Vector v) {
+    public double dist(Vector v) {
         return dist(v.x, v.y);
     }
 
-    double dist(double x, double y) {
+    public double dist(double x, double y) {
         var dx = this.x - x;
         var dy = this.y - y;
         return Math.sqrt(dx*dx + dy*dy);
     }
 
 
-    double angle() {
+    public double angle() {
         return Math.atan2(y, x);
     }
 }