From 916af615ddef151f78c23d996caf01c18a57e9d8 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 10 Dec 2022 13:00:22 -0800 Subject: v2f: add v2f_invert() preparatory commit for inverting controls on adult maga mode --- src/v2f.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src') diff --git a/src/v2f.h b/src/v2f.h index db085b3..3f13b29 100644 --- a/src/v2f.h +++ b/src/v2f.h @@ -54,6 +54,13 @@ static inline float v2f_dot(v2f_t *a, v2f_t *b) } +static inline v2f_t v2f_invert(v2f_t *v) +{ + return (v2f_t){ .x = -v->x, .y = -v->y }; + +} + + static inline float v2f_length(v2f_t *v) { return sqrtf(v2f_dot(v, v)); -- cgit v1.2.3