1 files changed, 4 insertions, 0 deletions
diff --git a/src/vec4ops/vec4ops.h b/src/vec4ops/vec4ops.h
index d1c3ac8..f48dcff 100644
--- a/src/vec4ops/vec4ops.h
+++ b/src/vec4ops/vec4ops.h
@@ -32,6 +32,10 @@ public:
     static glm::vec4 dot4(glm::vec4 u, glm::vec4 v);
 
     static glm::mat4 getViewMatrix4(glm::vec4 fromPoint, glm::vec4 toPoint, glm::vec4 upVector, glm::vec4 lookVector);
+
+    static glm::vec4 transformDir4(glm::vec4 dir4, glm::mat4 transformDirectionMatrix);
+
+    glm::vec4 inverseTransformDir4(glm::vec4 dir4, glm::mat4 inverseTransformDirectionMatrix);
 };
 
 #endif //PROJECTS_RAY_VEC4OPS_H