From 3200205b1744a5e55d625fff4bcb54873e91d23b Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Mon, 9 Apr 2018 16:17:02 -0700
Subject: [PATCH] Added abbreviations for UP+RIGHT, UP+LEFT, DOWN+RIGHT,
 DOWN+LEFT

---
 constants.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/constants.py b/constants.py
index af068348..8950d90b 100644
--- a/constants.py
+++ b/constants.py
@@ -67,6 +67,12 @@ X_AXIS = np.array((1., 0., 0.))
 Y_AXIS = np.array((0., 1., 0.))
 Z_AXIS = np.array((0., 0., 1.))
 
+# Useful abbreviations for diagonals
+UL = UP + LEFT
+UR = UP + RIGHT
+DL = DOWN + LEFT
+DR = DOWN + RIGHT
+
 TOP = FRAME_Y_RADIUS * UP
 BOTTOM = FRAME_Y_RADIUS * DOWN
 LEFT_SIDE = FRAME_X_RADIUS * LEFT