def fire_laser(self, x, y, rot):
"""Add a laser beam to the game"""
x_vel = sin(radians(rot))
y_vel = -cos(radians(rot))
self.laser_beams.append(
LaserBeam(self.SPACE, x, y, x_vel, y_vel)
)
def test_constructor():
# Test minimal required constructor args
a = LaserBeam(params['SPACE'], params['x'], params['y'], params['x_vel'],
params['y_vel'], params['lifespan'])
assert a.SPACE['w'] == 100 and \
a.SPACE['h'] == 200 and \
a.x_vel == params['x_vel'] * a.LASER_SPEED_FACTOR and \
a.y_vel == params['y_vel'] * a.LASER_SPEED_FACTOR and \
a.x == params['x'] + params['x_vel'] and \
a.y == params['y'] + params['y_vel'] and \
hasattr(a, "radius") and \
hasattr(a, "lifespan") and \
hasattr(a, "diam")