cell_width=16
cell_height=16
w_cells=room_width div cell_width;
h_cells=room_height div cell_height;

global.mp_grid = mp_grid_create(0,0,h_cells,w_cells,cell_width*2,cell_height*2)
mp_grid_add_instances(global.mp_grid,o_Block,true);

mp_path=path_add()
if (mp_grid_path(global.mp_grid,mp_path,x,y,640,480,1))
{path_start(mp_path,6,0,0)}

Код
public void render() {
elapsed += Gdx.graphics.getDeltaTime();
float frames = 1.0f / 60f;
while (elapsed > frames) {
elapsed -= frames;
game.tick();
}

graphics.render(game);
}