diff --git a/bind/v4k.lua b/bind/v4k.lua
index 8f1a310..fff0fd5 100644
--- a/bind/v4k.lua
+++ b/bind/v4k.lua
@@ -1461,11 +1461,11 @@ typedef struct skybox_t {
 typedef struct camera_t {
     mat44 view, proj;
     vec3 position, updir, lookdir;
-    float yaw, pitch;
+    float yaw, pitch, roll;
     float speed, fov;
     float move_friction, move_damping;
     float look_friction, look_damping;
-    vec2 last_look; vec3 last_move;
+    vec3 last_look; vec3 last_move;
     bool damping;
     bool orthographic;
     float distance;
@@ -1475,6 +1475,7 @@ typedef struct camera_t {
  void camera_moveby(camera_t *cam, vec3 inc);
  void camera_fov(camera_t *cam, float fov);
  void camera_fps(camera_t *cam, float yaw, float pitch);
+ void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
  void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
  void camera_lookat(camera_t *cam, vec3 target);
  void camera_enable(camera_t *cam);
diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index f429410..2aee142 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -17760,12 +17760,12 @@ API bool gizmo_hover();
 typedef struct camera_t {
     mat44 view, proj;
     vec3 position, updir, lookdir;
-    float yaw, pitch; // mirror of (x,y) lookdir in deg;
+    float yaw, pitch, roll; // mirror of (x,y) lookdir in deg;
     float speed, fov; // fov in deg(45)
 
     float move_friction, move_damping;
     float look_friction, look_damping;
-    vec2 last_look; vec3 last_move; // used for friction and damping
+    vec3 last_look; vec3 last_move; // used for friction and damping
     bool damping;
 
     bool orthographic; // 0 perspective, 1 orthographic; when ortho: dimetric[if pitch == -30º], isometric[if pitch == 35.264º]
@@ -17779,6 +17779,7 @@ API void camera_teleport(camera_t *cam, vec3 pos);
 API void camera_moveby(camera_t *cam, vec3 inc);
 API void camera_fov(camera_t *cam, float fov);
 API void camera_fps(camera_t *cam, float yaw, float pitch);
+API void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
 API void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
 API void camera_lookat(camera_t *cam, vec3 target);
 API void camera_enable(camera_t *cam);
@@ -374859,7 +374860,7 @@ camera_t camera() {
         cam.move_damping = 0.96f;
         cam.look_friction = 0.30f;
         cam.look_damping = 0.96f;
-        cam.last_look = vec2(0,0);
+        cam.last_look = vec3(0,0,0);
         cam.last_move = vec3(0,0,0);
 
         // update proj & view
@@ -374958,7 +374959,7 @@ void camera_fov(camera_t *cam, float fov) {
     }
 }
 
-void camera_fps(camera_t *cam, float yaw, float pitch) {
+void camera_fps2(camera_t *cam, float yaw, float pitch, float roll) {
     last_camera = cam;
 
     // camera damping
@@ -374966,23 +374967,43 @@ void camera_fps(camera_t *cam, float yaw, float pitch) {
         float fr = cam->look_friction; fr *= fr; fr *= fr; fr *= fr;
         float sm = clampf(cam->look_damping, 0, 0.999f); sm *= sm; sm *= sm;
 
-        cam->last_look = scale2(cam->last_look, 1 - fr);
+        cam->last_look = scale3(cam->last_look, 1 - fr);
         yaw = cam->last_look.y = yaw * (1 - sm) + cam->last_look.y * sm;
         pitch = cam->last_look.x = pitch * (1 - sm) + cam->last_look.x * sm;
+        roll = cam->last_look.z = roll * (1 - sm) + cam->last_look.z * sm;
     }
 
     cam->yaw += yaw;
     cam->yaw = fmod(cam->yaw, 360);
     cam->pitch += pitch;
     cam->pitch = cam->pitch > 89 ? 89 : cam->pitch < -89 ? -89 : cam->pitch;
+    cam->roll += roll;
+    cam->roll += fmod(cam->roll, 360);
 
-    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad;
+    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad, r = cam->roll * deg2rad;
     cam->lookdir = norm3(vec3(cos(y) * cos(p), sin(p), sin(y) * cos(p)));
+    vec3 up = vec3(0,1,0);
+    // calculate updir
+    {
+        float cosfa = cosf(r);
+        float sinfa = sinf(r);
+        vec3 right = cross3(cam->lookdir, up);
+        float th = dot3(cam->lookdir, up);
+
+        cam->updir.x = up.x * cosfa + right.x * sinfa + cam->lookdir.x * th * (1.0f - cosfa);
+        cam->updir.y = up.y * cosfa + right.y * sinfa + cam->lookdir.y * th * (1.0f - cosfa);
+        cam->updir.z = up.z * cosfa + right.z * sinfa + cam->lookdir.z * th * (1.0f - cosfa);
+    }
+
     lookat44(cam->view, cam->position, add3(cam->position, cam->lookdir), cam->updir); // eye,center,up
 
     camera_fov(cam, cam->fov);
 }
 
+void camera_fps(camera_t *cam, float yaw, float pitch) {
+    camera_fps2(cam, yaw, pitch, 0.0f);
+}
+
 void camera_orbit( camera_t *cam, float yaw, float pitch, float inc_distance ) {
     last_camera = cam;
 
diff --git a/engine/split/v4k_scene.c b/engine/split/v4k_scene.c
index 96a417c..c49c35c 100644
--- a/engine/split/v4k_scene.c
+++ b/engine/split/v4k_scene.c
@@ -20,7 +20,7 @@ camera_t camera() {
         cam.move_damping = 0.96f;
         cam.look_friction = 0.30f;
         cam.look_damping = 0.96f;
-        cam.last_look = vec2(0,0);
+        cam.last_look = vec3(0,0,0);
         cam.last_move = vec3(0,0,0);
 
         // update proj & view
@@ -119,7 +119,7 @@ void camera_fov(camera_t *cam, float fov) {
     }
 }
 
-void camera_fps(camera_t *cam, float yaw, float pitch) {
+void camera_fps2(camera_t *cam, float yaw, float pitch, float roll) {
     last_camera = cam;
 
     // camera damping
@@ -127,23 +127,43 @@ void camera_fps(camera_t *cam, float yaw, float pitch) {
         float fr = cam->look_friction; fr *= fr; fr *= fr; fr *= fr;
         float sm = clampf(cam->look_damping, 0, 0.999f); sm *= sm; sm *= sm;
 
-        cam->last_look = scale2(cam->last_look, 1 - fr);
+        cam->last_look = scale3(cam->last_look, 1 - fr);
         yaw = cam->last_look.y = yaw * (1 - sm) + cam->last_look.y * sm;
         pitch = cam->last_look.x = pitch * (1 - sm) + cam->last_look.x * sm;
+        roll = cam->last_look.z = roll * (1 - sm) + cam->last_look.z * sm;
     }
 
     cam->yaw += yaw;
     cam->yaw = fmod(cam->yaw, 360);
     cam->pitch += pitch;
     cam->pitch = cam->pitch > 89 ? 89 : cam->pitch < -89 ? -89 : cam->pitch;
+    cam->roll += roll;
+    cam->roll += fmod(cam->roll, 360);
 
-    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad;
+    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad, r = cam->roll * deg2rad;
     cam->lookdir = norm3(vec3(cos(y) * cos(p), sin(p), sin(y) * cos(p)));
+    vec3 up = vec3(0,1,0);
+    // calculate updir
+    {
+        float cosfa = cosf(r);
+        float sinfa = sinf(r);
+        vec3 right = cross3(cam->lookdir, up);
+        float th = dot3(cam->lookdir, up);
+
+        cam->updir.x = up.x * cosfa + right.x * sinfa + cam->lookdir.x * th * (1.0f - cosfa);
+        cam->updir.y = up.y * cosfa + right.y * sinfa + cam->lookdir.y * th * (1.0f - cosfa);
+        cam->updir.z = up.z * cosfa + right.z * sinfa + cam->lookdir.z * th * (1.0f - cosfa);
+    }
+
     lookat44(cam->view, cam->position, add3(cam->position, cam->lookdir), cam->updir); // eye,center,up
 
     camera_fov(cam, cam->fov);
 }
 
+void camera_fps(camera_t *cam, float yaw, float pitch) {
+    camera_fps2(cam, yaw, pitch, 0.0f);
+}
+
 void camera_orbit( camera_t *cam, float yaw, float pitch, float inc_distance ) {
     last_camera = cam;
 
diff --git a/engine/split/v4k_scene.h b/engine/split/v4k_scene.h
index 0052f93..e4fed0f 100644
--- a/engine/split/v4k_scene.h
+++ b/engine/split/v4k_scene.h
@@ -7,12 +7,12 @@
 typedef struct camera_t {
     mat44 view, proj;
     vec3 position, updir, lookdir;
-    float yaw, pitch; // mirror of (x,y) lookdir in deg;
+    float yaw, pitch, roll; // mirror of (x,y) lookdir in deg;
     float speed, fov; // fov in deg(45)
 
     float move_friction, move_damping;
     float look_friction, look_damping;
-    vec2 last_look; vec3 last_move; // used for friction and damping
+    vec3 last_look; vec3 last_move; // used for friction and damping
     bool damping;
 
     bool orthographic; // 0 perspective, 1 orthographic; when ortho: dimetric[if pitch == -30º], isometric[if pitch == 35.264º]
@@ -26,6 +26,7 @@ API void camera_teleport(camera_t *cam, vec3 pos);
 API void camera_moveby(camera_t *cam, vec3 inc);
 API void camera_fov(camera_t *cam, float fov);
 API void camera_fps(camera_t *cam, float yaw, float pitch);
+API void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
 API void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
 API void camera_lookat(camera_t *cam, vec3 target);
 API void camera_enable(camera_t *cam);
diff --git a/engine/v4k.c b/engine/v4k.c
index c1d3e4d..9371da1 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -21997,7 +21997,7 @@ camera_t camera() {
         cam.move_damping = 0.96f;
         cam.look_friction = 0.30f;
         cam.look_damping = 0.96f;
-        cam.last_look = vec2(0,0);
+        cam.last_look = vec3(0,0,0);
         cam.last_move = vec3(0,0,0);
 
         // update proj & view
@@ -22096,7 +22096,7 @@ void camera_fov(camera_t *cam, float fov) {
     }
 }
 
-void camera_fps(camera_t *cam, float yaw, float pitch) {
+void camera_fps2(camera_t *cam, float yaw, float pitch, float roll) {
     last_camera = cam;
 
     // camera damping
@@ -22104,23 +22104,43 @@ void camera_fps(camera_t *cam, float yaw, float pitch) {
         float fr = cam->look_friction; fr *= fr; fr *= fr; fr *= fr;
         float sm = clampf(cam->look_damping, 0, 0.999f); sm *= sm; sm *= sm;
 
-        cam->last_look = scale2(cam->last_look, 1 - fr);
+        cam->last_look = scale3(cam->last_look, 1 - fr);
         yaw = cam->last_look.y = yaw * (1 - sm) + cam->last_look.y * sm;
         pitch = cam->last_look.x = pitch * (1 - sm) + cam->last_look.x * sm;
+        roll = cam->last_look.z = roll * (1 - sm) + cam->last_look.z * sm;
     }
 
     cam->yaw += yaw;
     cam->yaw = fmod(cam->yaw, 360);
     cam->pitch += pitch;
     cam->pitch = cam->pitch > 89 ? 89 : cam->pitch < -89 ? -89 : cam->pitch;
+    cam->roll += roll;
+    cam->roll += fmod(cam->roll, 360);
 
-    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad;
+    const float deg2rad = 0.0174532f, y = cam->yaw * deg2rad, p = cam->pitch * deg2rad, r = cam->roll * deg2rad;
     cam->lookdir = norm3(vec3(cos(y) * cos(p), sin(p), sin(y) * cos(p)));
+    vec3 up = vec3(0,1,0);
+    // calculate updir
+    {
+        float cosfa = cosf(r);
+        float sinfa = sinf(r);
+        vec3 right = cross3(cam->lookdir, up);
+        float th = dot3(cam->lookdir, up);
+
+        cam->updir.x = up.x * cosfa + right.x * sinfa + cam->lookdir.x * th * (1.0f - cosfa);
+        cam->updir.y = up.y * cosfa + right.y * sinfa + cam->lookdir.y * th * (1.0f - cosfa);
+        cam->updir.z = up.z * cosfa + right.z * sinfa + cam->lookdir.z * th * (1.0f - cosfa);
+    }
+
     lookat44(cam->view, cam->position, add3(cam->position, cam->lookdir), cam->updir); // eye,center,up
 
     camera_fov(cam, cam->fov);
 }
 
+void camera_fps(camera_t *cam, float yaw, float pitch) {
+    camera_fps2(cam, yaw, pitch, 0.0f);
+}
+
 void camera_orbit( camera_t *cam, float yaw, float pitch, float inc_distance ) {
     last_camera = cam;
 
diff --git a/engine/v4k.h b/engine/v4k.h
index 4ac0a70..a3db514 100644
--- a/engine/v4k.h
+++ b/engine/v4k.h
@@ -3827,12 +3827,12 @@ API bool gizmo_hover();
 typedef struct camera_t {
     mat44 view, proj;
     vec3 position, updir, lookdir;
-    float yaw, pitch; // mirror of (x,y) lookdir in deg;
+    float yaw, pitch, roll; // mirror of (x,y) lookdir in deg;
     float speed, fov; // fov in deg(45)
 
     float move_friction, move_damping;
     float look_friction, look_damping;
-    vec2 last_look; vec3 last_move; // used for friction and damping
+    vec3 last_look; vec3 last_move; // used for friction and damping
     bool damping;
 
     bool orthographic; // 0 perspective, 1 orthographic; when ortho: dimetric[if pitch == -30º], isometric[if pitch == 35.264º]
@@ -3846,6 +3846,7 @@ API void camera_teleport(camera_t *cam, vec3 pos);
 API void camera_moveby(camera_t *cam, vec3 inc);
 API void camera_fov(camera_t *cam, float fov);
 API void camera_fps(camera_t *cam, float yaw, float pitch);
+API void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
 API void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
 API void camera_lookat(camera_t *cam, vec3 target);
 API void camera_enable(camera_t *cam);