1 files changed, 10 insertions, 0 deletions
diff --git a/src/util/vector.h b/src/util/vector.h
index 6065343..a01689c 100644
--- a/src/util/vector.h
+++ b/src/util/vector.h
@@ -55,6 +55,7 @@ struct VEC3 {
   VEC3( const VEC2& v ) { x = v.x; y = v.y; z = 0.f; }
 
   bool operator==( const VEC3& v ) const { return ( x == v.x && y == v.y && z == v.z ); }
+  bool operator!=( const VEC3& v ) const { return !( x == v.x && y == v.y && z == v.z ); }
   VEC3& operator=( const VEC3& v ) { x = v.x; y = v.y; z = v.z; return *this; }
   F32& operator[]( I32 i ) { return ( (F32*)this )[i]; }
   F32 operator[]( I32 i ) const { return ( (F32*)this )[i]; }
@@ -119,6 +120,15 @@ struct VEC4 {
   VEC4 operator/( const F32& v ) { return VEC4( x / v, y / v, z / v, w / v ); }
 };
 
+static const VEC2 vec2_right   = { 1.f, 0.f };
+static const VEC2 vec2_forward = { 0.f, 1.f };
+static const VEC2 vec2_axis[]  = { vec2_right, vec2_forward };
+
+static const VEC3 vec3_up      = { 0.f, 0.f, 1.f };
+static const VEC3 vec3_right   = { 1.f, 0.f, 0.f };
+static const VEC3 vec3_forward = { 0.f, 1.f, 0.f };
+static const VEC3 vec3_axis[]  = { vec3_right, vec3_forward, vec3_up };
+
 inline U8 is_zero( VEC2 v ) { return v.x == 0.f && v.y == 0.f; }
 inline U8 is_zero( VEC3 v ) { return v.x == 0.f && v.y == 0.f && v.z == 0.f; }
 inline U8 is_zero( VEC4 v ) { return v.x == 0.f && v.y == 0.f && v.z == 0.f && v.w == 0.f; }