From 5c409f04470e319f0a57e8791bc96cd724ee601c Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <matthew.kosarek@vention.cc>
Date: Wed, 17 Feb 2021 21:06:20 -0500
Subject: Proper collisions happening in 2 dimensions

---
 frontend/_rigidbody/vec2.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'frontend/_rigidbody/vec2.js')

diff --git a/frontend/_rigidbody/vec2.js b/frontend/_rigidbody/vec2.js
index 3b24371..2db42e0 100644
--- a/frontend/_rigidbody/vec2.js
+++ b/frontend/_rigidbody/vec2.js
@@ -38,4 +38,18 @@ function normalize2(v) {
 
 function vec2str(v) {
     return `(${v.x.toFixed(2)}, ${v.y.toFixed(2)})`;
+}
+
+function getPerp2(v) {
+    return {
+        x: -v.y,
+        y: v.x
+    };
+}
+
+function negate2(v) {
+    return {
+        x: -v.x,
+        y: -v.y
+    };
 }
\ No newline at end of file
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