Directional light

1 files changed, 1 insertions, 1 deletions

diff --git a/include/swgfx.h b/include/swgfx.h
index d527f02..f849ba5 100644
--- a/include/swgfx.h
+++ b/include/swgfx.h
@@ -31,7 +31,7 @@ typedef float R;
 typedef struct sgVec2i { int x, y; }       sgVec2i;
 typedef struct sgVec2  { R   x, y; }       sgVec2;
 typedef struct sgVec3 { union { struct { R r, g, b; };    struct { R x, y, z; };    }; } sgVec3;
-typedef struct sgVec4 { union { struct { R r, g, b, a; }; struct { R x, y, z, w; }; }; } sgVec4;
+typedef struct sgVec4 { union { struct { R r, g, b, a; }; struct { R x, y, z, w; }; struct { sgVec3 rgb; R _; }; }; } sgVec4;
 
 typedef sgVec3 sgNormal;