hs

commit 9ecab260f9a8122ce76aafffb02319d1f207e3be
parent 5173bff7ee7379b30d8ae33ca26246c566f85672
Author: Samdal <samdal@protonmail.com>
Date:   Tue,  5 Oct 2021 23:31:34 +0200

added to math

Diffstat:
M
hs_math.h
 | 
13
+++++++++++++

1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/hs_math.h b/hs_math.h
@@ -105,6 +105,13 @@ vec2_add(const vec2 v1, const vec2 v2)
         return (vec2){v1.x + v2.x, v1.y + v2.y};
 }
 
+inline static void
+vec2_add_in_place(vec2* v1, const vec2 v2)
+{
+        v1->x += v2.x;
+        v1->y += v2.y;
+}
+
 inline static vec2
 vec2_sub(const vec2 v1, const vec2 v2)
 {
@@ -148,6 +155,12 @@ vec2_norm(const vec2 vector)
         return len == 0.0f ? vector : vec2_scale(vector, 1.0f / len);
 }
 
+inline static uint32_t
+vec2_null(const vec2 vector)
+{
+        return (vector.x == 0 && vector.y == 0);
+}
+
 inline static vec2i
 vec2i_div(const vec2i vector, const int32_t divisor)
 {