def animate(dt):
# update car rotation & speed
r = car.rotation
r += (keyboard[key.RIGHT] - keyboard[key.LEFT]) * 200 * dt
if r < 0:
r += 360
elif r > 360:
r -= 360
car.rotation = r
car.speed = (keyboard[key.UP] - keyboard[key.DOWN]) * 200 * dt
# ... and the rest
spryte.update_kinematics(car, dt)
# handle balls
for i, s in enumerate(balls):
# update positions
s.x += s.dx * dt
s.y += s.dy * dt
if s.right > win.width and s.dx > 0:
s.dx *= -1
s.right = win.width
elif s.left < 0 and s.dx < 0:
s.dx *= -1
s.left = 0
if s.top > win.height and s.dy > 0:
s.dy *= -1
s.top = win.height
elif s.bottom < 0 and s.dy < 0:
s.dy *= -1
s.bottom = 0
# handle collisions
if not s.intersects(car):
continue
if s.scale > 2:
# pop!
explosion = EffectSprite(explosion_animation,
0,
0,
batch=explosions)
explosion.center = s.center
explosion.push_handlers
s.delete()
spryte.Sprite(ball,
win.width * random.random(),
win.height * random.random(),
batch=balls,
dx=-50 + 100 * random.random(),
dy=-50 + 100 * random.random())
else:
s.scale += .1
n = min(1, max(0, 2 - s.scale))
s.color = (1, 1, 1, .5 + n / 2)
def animate(dt):
# update car rotation & speed
r = car.rotation
r += (keyboard[key.RIGHT] - keyboard[key.LEFT]) * 200 * dt
if r < 0:
r += 360
elif r > 360:
r -= 360
car.rotation = r
car.speed = (keyboard[key.UP] - keyboard[key.DOWN]) * 200 * dt
# ... and the rest
spryte.update_kinematics(car, dt)
# handle balls
for i, s in enumerate(balls):
# update positions
s.x += s.dx * dt
s.y += s.dy * dt
if s.right > win.width and s.dx > 0:
s.dx *= -1
s.right = win.width
elif s.left < 0 and s.dx < 0:
s.dx *= -1
s.left = 0
if s.top > win.height and s.dy > 0:
s.dy *= -1
s.top = win.height
elif s.bottom < 0 and s.dy < 0:
s.dy *= -1
s.bottom = 0
# handle collisions
if not s.intersects(car):
continue
if s.scale > 2:
# pop!
explosion = EffectSprite(explosion_animation, 0, 0,
batch=explosions)
explosion.center = s.center
explosion.push_handlers
s.delete()
spryte.Sprite(ball,
win.width * random.random(),
win.height * random.random(),
batch=balls,
dx=-50 + 100 * random.random(),
dy=-50 + 100 * random.random())
else:
s.scale += .1
n = min(1, max(0, 2 - s.scale))
s.color = (1, 1, 1, .5 + n / 2)
def animate(dt):
# update car rotation & speed
r = car.rotation
r += (keyboard[key.RIGHT] - keyboard[key.LEFT]) * 200 * dt
if r < 0: r += 360
elif r > 360: r -= 360
car.rotation = r
car.speed = (keyboard[key.UP] - keyboard[key.DOWN]) * 300 * dt
# ... and the rest
spryte.update_kinematics(car, dt)
v.focus = car.position
def animate(dt):
# update car rotation & speed
r = car.rotation
r += (keyboard[key.RIGHT] - keyboard[key.LEFT]) * 200 * dt
if r < 0: r += 360
elif r > 360: r -= 360
car.rotation = r
car.speed = (keyboard[key.UP] - keyboard[key.DOWN]) * 300 * dt
# ... and the rest
spryte.update_kinematics(car, dt)
v.focus = car.position