BUG: Fixes #12. Vector.random_2d() returns negative values.

p5py · Sep 21, 2017 · e78c4a8 · e78c4a8
1 parent c76c162
commit e78c4a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/p5/pmath/vector.py b/p5/pmath/vector.py
@@ -408,7 +408,7 @@ def from_angle(cls, angle):
     def random_2D(cls):
         """Return a random 2D unit vector.
         """
-        x, y = np.random.random(2)
+        x, y = 2 * (np.random.random(2) - 0.5)
         vec = cls(x, y)
         vec.normalize()
         return vec