assorted

[vg.git] / src / vg / vg_m.h

diff --git a/src/vg/vg_m.h b/src/vg/vg_m.h
index 0736752364113b85a711349926d3df5208e22f2a..8e49fe55e330f4adb99d2291ae552c56fbf55274 100644 (file)
--- a/src/vg/vg_m.h
+++ b/src/vg/vg_m.h
@@ -188,7 +188,14 @@ static inline void v2_lerp( v2f a, v2f b, float t, v2f d )
 
 static inline void v2_normalize( v2f a )
 {
-       v2_muls( a, 1.f / v2_length( a ), a );
+       v2_muls( a, 1.0f / v2_length( a ), a );
+}
+
+static void v2_normalize_clamp( v2f a )
+{
+   float l2 = v2_length2( a );
+   if( l2 > 1.0f )
+      v2_muls( a, 1.0f/sqrtf(l2), a );
 }
 
 static inline void v2_floor( v2f a, v2f b )