R = Renderer(1000, 500)
K = Keyboard()
NG = NewGround()
ground_display = 500 / R.scale
WF = Wheel(NG, 128, -800) # front wheel
WB = Wheel(NG, 0, -800) # back wheel
C = Car(WB, WF)
run = True
# main loop
while run:
R.delay(20)
# event handle
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
K.check(C)
# engine update
WF.update(1)
WB.update(1)
R.lookAt(WF.x, WF.y)
c = WB.distance(WF)
