1 files changed, 8 insertions, 6 deletions

diff --git a/src/extend/transform.h b/src/extend/transform.h
index cef4344..f9d650c 100644
--- a/src/extend/transform.h
+++ b/src/extend/transform.h
@@ -1,11 +1,11 @@
-#include "../math/math.h"
+#ifndef _SOFTSHADEROOM_TRANSFORM_H_
+#define _SOFTSHADEROOM_TRANSFORM_H_
 
+#include "../math/math.h"
 
 typedef struct Transform Transform;
-/*
-** TransformҪעÒâ°´ scale -> rotation -> position ˳Ðò¼ÆËã
-*/
-typedef struct Transform {
+
+struct Transform {
 	/*local*/
 	Vec3 localposition;
 	Vec3 localscale;
@@ -15,7 +15,7 @@ typedef struct Transform {
 	Vec3 cached_position;
 	Vec3 cached_scale;
 	Quat cached_rotation;
-} Transform;
+};
 
 void transform_translate(Transform* trans, Vec3* v);
 
@@ -30,3 +30,5 @@ void transform_setdirty(Transform* trans);
 void transform_getinvmatrixnoscale(Transform* transform, Mat4* worldToLocal); 
 
 void transform_localtoworlddir(Transform* trans, Vec3* dir, Vec3* out);
+
+#endif
\ No newline at end of file