+static void simulation_start(void)
+{
+ vg_success( "Starting simulation!\n" );
+
+ sfx_set_playrnd( &audio_rolls, &audio_system_balls_rolling, 0, 1 );
+
+ world.num_fishes = 0;
+ world.sim_frame = 0;
+ world.sim_run = 0;
+
+ world.sim_delta_speed = 2.5f;
+ world.sim_delta_ref = vg_time;
+ world.sim_internal_ref = 0.0f;
+ world.pause_offset_target = 0.0f;
+
+ world.sim_target = 0;
+
+ for( int i = 0; i < world.w*world.h; i ++ )
+ world.data[ i ].state &= ~FLAG_FLIP_FLOP;
+
+ io_reset();
+}
+