From ac3a7c7668000c64284b4a271fff4608b9e233ac Mon Sep 17 00:00:00 2001
From: Sollace <sollacea@gmail.com>
Date: Wed, 5 Sep 2018 10:46:19 +0200
Subject: [PATCH] Document flipFace() behaviour

---
 .../com/minelittlepony/util/render/Quad.java  | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/main/java/com/minelittlepony/util/render/Quad.java b/src/main/java/com/minelittlepony/util/render/Quad.java
index ff57921e..217ac3ae 100644
--- a/src/main/java/com/minelittlepony/util/render/Quad.java
+++ b/src/main/java/com/minelittlepony/util/render/Quad.java
@@ -7,4 +7,31 @@ public class Quad extends TexturedQuad {
     Quad(Vertex[] vertices, int texcoordU1, int texcoordV1, int texcoordU2, int texcoordV2, float textureWidth, float textureHeight) {
         super(vertices, texcoordU1, texcoordV1, texcoordU2, texcoordV2, textureWidth, textureHeight);
     }
+
+    /**
+     * Reverses the order of the vertices belonging to this quad.
+     * Positions of the vertices stay the same but the order of rendering is reversed to go counter-clockwise.
+     *
+     * Reversal also affects the cross-product used to calculate texture orientation.
+     * <pre>
+     * Normal:
+     * 0-----1
+     * |\    |
+     * |  \  |
+     * |    \|
+     * 3-----2
+     *
+     * After flipFace:
+     *
+     * 3-----2
+     * |    /|
+     * |  /  |
+     * |/    |
+     * 0-----1
+     * </pre>
+     */
+    @Override
+    public void flipFace() {
+       super.flipFace();
+    }
 }
\ No newline at end of file