From d636a4f2ee0b5020dc353fcf9c0fafdc86e2f5f4 Mon Sep 17 00:00:00 2001 From: Eryn Wells Date: Sun, 8 Sep 2013 15:18:48 -0700 Subject: [PATCH] Add comment about efficiency in vector_normalize --- src/basics.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/basics.c b/src/basics.c index d87c698..ac09bf3 100644 --- a/src/basics.c +++ b/src/basics.c @@ -115,6 +115,7 @@ vector_normalize(Vector3 v) return v; } + // Multiplying by the inverse of the length is more efficient than dividing by the length. float inverse_length = 1 / sqrt(length2); return vector_init(v.x * inverse_length, v.y * inverse_length, v.z * inverse_length); }