updated = False

kill_entity = False

ex = entity['x']

ey = entity['y']

x_vel = entity['x_vel']

x_vel += delta / 100

if abs(x_vel) > 1:

x_vel = x_vel / abs(x_vel)

dx = round(x_vel)

if (ex + dx - 1 not in map_.keys() or

ex + dx not in map_.keys() or

ex + dx + 1 not in map_.keys()):

kill_entity = True

else:

dx, dy = player.get_pos_delta(dx, ex, ey, map_)

ex, ey = ex + dx, ey + dy

if not terrain.is_solid(map_[ex][ey + 1]):

ey += 1

entity['x'] = ex

entity['y'] = ey

entity['x_vel'] = x_vel

updated = True

return updated, kill_entity