*misc

1 files changed, 10 insertions, 1 deletions

diff --git a/src/math/vec4.c b/src/math/vec4.c
index b79adca..202aabd 100644
--- a/src/math/vec4.c
+++ b/src/math/vec4.c
@@ -6,6 +6,8 @@
 
 Vec4 vec4zero = { 0, 0, 0,0 };
 
+static Vec4 sharedmat4;
+
 void vec4_dividew(Vec4* v, Vec3* out) {
 	ssr_assert(out && v);
 	float w = 1.f / v->w;
@@ -28,4 +30,11 @@ void vec4_lerp(Vec4* a, Vec4* b, float t, Vec4* out) {
 	out->y = lerp(a->y, b->y, t);
 	out->z = lerp(a->z, b->z, t);
 	out->w = lerp(a->w, b->w, t);
-}
\ No newline at end of file
+}
+
+void vec4_scale(Vec4* v, float t, Vec4* out) {
+	out->x = v->x * t;
+	out->y = v->y * t;
+	out->z = v->z * t;
+	out->w = v->w * t;
+}