diff --git a/source/engine/2dphysics.c b/source/engine/2dphysics.c
index 29b2307..694da47 100644
--- a/source/engine/2dphysics.c
+++ b/source/engine/2dphysics.c
@@ -20,6 +20,7 @@ float phys2d_gravity = -50.f;
 
 static float dbg_color[3] = {0.836f, 1.f, 0.45f};
 static float trigger_color[3] = {0.278f, 0.953f, 1.f};
+static float disabled_color[3] = {0.58f, 0.58f, 0.58f};
 static struct color static_color = {56, 69, 255};
 
 void set_dbg_color(struct color color)
@@ -472,6 +473,16 @@ cpShape *id2shape(int id)
     return NULL;
 }
 
+void shape_enable(struct phys2d_shape *shape)
+{
+    cpSpaceAddShape(space, shape->shape);
+}
+
+void shape_disable(struct phys2d_shape *shape)
+{
+    cpSpaceRemoveShape(space, shape->shape);
+}
+
 void phys2d_reindex_body(cpBody *body) {
     cpSpaceReindexShapesForBody(space, body);
 }
diff --git a/source/engine/2dphysics.h b/source/engine/2dphysics.h
index f39198d..2460cf7 100644
--- a/source/engine/2dphysics.h
+++ b/source/engine/2dphysics.h
@@ -97,6 +97,9 @@ void phys2d_add_handler_type(int cmd, int go,  struct callee c);
 void register_collide(void *sym);
 void phys2d_set_gravity(cpVect v);
 
+void shape_enable(struct phys2d_shape *shape);
+void shape_disable(struct phys2d_shape *shape);
+
 cpShape *id2shape(int id);
 
 struct color {
diff --git a/source/engine/ffi.c b/source/engine/ffi.c
index 2f5beae..7ddc927 100644
--- a/source/engine/ffi.c
+++ b/source/engine/ffi.c
@@ -163,6 +163,20 @@ duk_ret_t duk_cmd(duk_context *duk) {
              duk_push_undefined(duk);
 
          return 1;
+
+       case 20:
+         sprite_enabled(duk_to_int(duk, 1), duk_to_boolean(duk, 2));
+         break;
+
+       case 21:
+         duk_push_boolean(duk, id2sprite(duk_to_int(duk, 1))->enabled);
+         return 1;
+
+       case 22:
+         return 0;
+
+       case 23:
+         return 0;
     }
 
     return 0;
@@ -418,6 +432,17 @@ duk_ret_t duk_make_box2d(duk_context *duk) {
 
   phys2d_applybox(box);
 
+  duk_push_pointer(duk, box);
+
+  return 1;
+}
+
+duk_ret_t duk_box2d_cmd(duk_context *duk) {
+  int cmd = duk_to_int(duk, 0);
+  struct phys2d_box *box = duk_to_pointer(duk, 1);
+
+  YughInfo("Issuing command %d with box %p.", cmd, box);
+
   return 0;
 }
 
@@ -492,6 +517,7 @@ void ffi_load()
     DUK_FUNC(make_sprite, 3);
     DUK_FUNC(make_anim2d, 4);
     DUK_FUNC(make_box2d, 3);
+    DUK_FUNC(box2d_cmd, DUK_VARARGS);
     DUK_FUNC(make_circle2d, 3);
     DUK_FUNC(cmd, DUK_VARARGS);
     DUK_FUNC(register, 3);
diff --git a/source/engine/sprite.c b/source/engine/sprite.c
index e2c0820..0cc14c7 100644
--- a/source/engine/sprite.c
+++ b/source/engine/sprite.c
@@ -26,7 +26,8 @@ int make_sprite(int go)
         .size = {1.f, 1.f},
         .tex = texture_loadfromfile("ph.png"),
         .go = go,
-        .next = -1  };
+        .next = -1,
+        .enabled = 1  };
 
     int ret;
 
@@ -51,6 +52,11 @@ void sprite_delete(int id)
     first = id;
 }
 
+void sprite_enabled(int id, int e)
+{
+    sprites[id].enabled = e;
+}
+
 struct sprite *id2sprite(int id) {
     return &sprites[id];
 }
@@ -78,9 +84,8 @@ void sprite_io(struct sprite *sprite, FILE *f, int read)
 
 void sprite_draw_all()
 {
-    //shader_use(spriteShader);
     for (int i = 0; i < arrlen(sprites); i++) {
-        if (sprites[i].go >= 0) sprite_draw(&sprites[i]);
+        if (sprites[i].go >= 0 && sprites[i].enabled) sprite_draw(&sprites[i]);
     }
 }
 
diff --git a/source/engine/sprite.h b/source/engine/sprite.h
index 23b0122..13660af 100644
--- a/source/engine/sprite.h
+++ b/source/engine/sprite.h
@@ -19,12 +19,14 @@ struct sprite {
     struct anim2d anim;
     struct Texture *tex;
     int next;
+    int enabled;
 };
 
 
 int make_sprite(int go);
 struct sprite *id2sprite(int id);
 void sprite_delete(int id);
+void sprite_enabled(int id, int e);
 void sprite_io(struct sprite *sprite, FILE *f, int read);
 void sprite_loadtex(struct sprite *sprite, const char *path);
 void sprite_settex(struct sprite *sprite, struct Texture *tex);