def ifelse_fn(g: Plotter):
car = g.entity(
components=[
Position,
Speed,
Velocity,
]
)
env = g.entity(components=[Clock])
if env[Clock].tick_ms > 2000:
car[Position].x += g.min(car[Speed].max_x, 2 * car[Velocity].x)
car[Position].y = car[Position].x + 2
elif env[Clock].tick_ms > 5000:
car[Position].x += g.min(car[Speed].max_x, 5 * car[Velocity].x)
car[Position].y = car[Position].x + 10
else:
car[Position].x = g.min(car[Speed].max_x, 1 * car[Velocity].x)
car[Position].y = car[Position].x - 5
def control_sys(g: Plotter):
controls = g.entity(components=[Keyboard])
car = g.entity(components=[Movement, Velocity, Position, Meta])
acceleration, max_speed, steer_rate = 5.0, 18.0, 10.0
# steer car
if controls[Keyboard].left:
car[Movement].rotation -= steer_rate
controls[Keyboard].left = False
elif controls[Keyboard].right:
car[Movement].rotation += steer_rate
controls[Keyboard].right = False
# accelerate/slow down car
if controls[Keyboard].up:
car[Movement].speed = g.min(car[Movement].speed + acceleration,
max_speed)
controls[Keyboard].up = False
elif controls[Keyboard].down:
car[Movement].speed = g.max(car[Movement].speed - acceleration,
0.0)
controls[Keyboard].down = False