Simplify normalize_mirror

2019-05-20 21:04:31 -07:00 · 2019-05-20 21:04:31 -07:00 · 2c9af3f63f
commit 2c9af3f63f
parent 0ab5674fb9
1 changed files with 2 additions and 9 deletions
--- a/masque/utils.py
+++ b/masque/utils.py
@ -59,15 +59,8 @@ def rotation_matrix_2d(theta: float) -> numpy.ndarray:

 def normalize_mirror(mirrored: Tuple[bool, bool]) -> Tuple[bool, float]:
    mirrored_x, mirrored_y = mirrored
-    if mirrored_x and mirrored_y:
-        angle = numpy.pi
-        mirror_x = False
-    elif mirrored_x:
-        angle = 0
-        mirror_x = True
-    elif mirror_y:
-        angle = numpy.pi
-        mirror_x = True
+    mirror_x = (mirrored_x != mirrored_y) #XOR
+    angle = numpy.pi if mirrored_y else 0
    return mirror_x, angle