1 files changed, 5 insertions, 0 deletions
diff --git a/camera.c b/camera.c
index 6335d0e..0e90e61 100644
--- a/camera.c
+++ b/camera.c
@@ -11,6 +11,7 @@
 
 #define PITCH_LIMIT (PI * 0.99)
 
+// camera_clamp: clamp camera pitch and normalize yaw
 void camera_clamp(struct camera *cam)
 {
 	assert(cam != NULL);
@@ -21,6 +22,8 @@ void camera_clamp(struct camera *cam)
 	else if (cam->pitch < -PITCH_LIMIT / 2)
 		cam->pitch = -PITCH_LIMIT / 2;
 }
+
+// camera_dir: get the camera facing vector
 void camera_dir(vec3 out, struct camera *cam)
 {
 	assert(out != NULL);
@@ -30,6 +33,8 @@ void camera_dir(vec3 out, struct camera *cam)
 	out[1] = sinf(cam->pitch);
 	out[2] = cosf(cam->pitch) * sinf(cam->yaw);
 }
+
+// camera_lookat: get the camera view matrix
 void camera_lookat(mat4x4 out, struct camera *cam)
 {
 	vec3 at, dir;