def emitter_9():
"""Burst, emit from center, velocity in fixed angle and random speed"""
e = arcade.Emitter(
pos=CENTER_POS,
emit_controller=arcade.EmitBurst(BURST_PARTICLE_COUNT // 4),
particle_factory=lambda emitter: arcade.LifetimeParticle(
filename_or_texture=TEXTURE,
vel=arcade.rand_vec_magnitude(45, 1.0, 4.0),
lifetime=DEFAULT_PARTICLE_LIFETIME,
scale=DEFAULT_SCALE,
alpha=DEFAULT_ALPHA))
return emitter_9.__doc__, e
def emitter_23():
"""Interval, emit from center, velocity in fixed angle and random speed"""
e = arcade.Emitter(
pos=CENTER_POS,
emit_controller=arcade.EmitterIntervalWithTime(
DEFAULT_EMIT_INTERVAL * 8, DEFAULT_EMIT_DURATION),
particle_factory=lambda emitter: arcade.LifetimeParticle(
filename_or_texture=TEXTURE,
vel=arcade.rand_vec_magnitude(45, 1.0, 4.0),
lifetime=DEFAULT_PARTICLE_LIFETIME,
scale=DEFAULT_SCALE,
alpha=DEFAULT_ALPHA))
return emitter_23.__doc__, e
def test_rand_vec_magnitude():
"""Smoke test"""
arcade.rand_vec_magnitude(30.5, 3.3, 4.4)
