Add Vec#fromPoint

src/main/java/net/minestom/server/coordinate/Vec.java

@@ -53,6 +53,19 @@ public final class Vec implements Point {
         this(value, value, value);
     }
 
+    /**
+     * Converts a {@link Point} into a {@link Vec}.
+     * Will cast if possible, or instantiate a new object.
+     *
+     * @param point the point to convert
+     * @return the converted vector
+     */
+    public static @NotNull Vec fromPoint(@NotNull Point point) {
+        if (point instanceof Vec)
+            return (Vec) point;
+        return new Vec(point.x(), point.y(), point.z());
+    }
+
     /**
      * Creates a new point with coordinated depending on {@code this}.
      *