From 62d637969d1e63c99200ad43b756bf8f2d3b0852 Mon Sep 17 00:00:00 2001
From: KikooDX <kikoodx@protonmail.com>
Date: Wed, 16 Sep 2020 11:20:48 +0200
Subject: [PATCH] [vec.c] Linear interpolation properly implemented

---
 src/vec.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/vec.c b/src/vec.c
index a5a555c..1134c37 100644
--- a/src/vec.c
+++ b/src/vec.c
@@ -32,9 +32,13 @@ void vec_div(Vec *vector, float scale)
 
 void vec_lerp(Vec *from, Vec to, float scale)
 {
-	Vec temp = {};
+	/* from * (1 - scale) + temp * scale */
+	Vec temp;
 	vec_cpy(&temp, to);
-	vec_sub(&temp, *from);
+	/* from * (1 - scale) */
+	vec_mul(from, 1 - scale);
+	/* temp * scale */
 	vec_mul(&temp, scale);
+	/* add */
 	vec_add(from, temp);
 }