collision for vavere

public void update() {
    // your other update stuff

    float oldX = x;
    float oldY = y;

    // everything that changes the position

    if(collides(x, y) || collides(x + playerWidth, y)) // check the feet
        x = oldX;
    if(collides(x, y) || collides(x, y + playerHeight)) // check the sides
        y = oldY;
}

/**
 * @return if this {@link Player} collides with the TiledMap environment at the given position
 * @param x the x position
 * @param y the y position
 */
public boolean collides(float x, float y) {
    return !layer.getCell((int) x, (int) y).getTile().getProperties().get("passable", Boolean.class);
}