poll workers for non-threaded support, emscripten main loop, remove twn_model.c

apps/templates/c/game.c

@@ -17,6 +17,15 @@ void game_tick(void) {
 
     struct state *state = ctx.udata;
     ++state->counter;
+
+    m_sprite("nothing!",
+            (Rect) {
+                .x = 0,
+                .y = 0,
+                .w = 32,
+                .h = 32,
+            }
+    );
 }