# --- Physics defaults ---
DEFAULT_AIR_DENSITY = 1.243  # kg/m^3, Skåne

# --- Simulation defaults ---
DEFAULT_SEED = None
DEFAULT_ACQUISITION_TIME = 1.0

# --- Source defaults ---
DEFAULT_PATH_HEIGHT = 0.0
DEFAULT_SOURCE_HEIGHT = 0.0

# --- Segmented road defaults ---
DEFAULT_MIN_TURN_ANGLE = 30.
DEFAULT_MAX_TURN_ANGLE = 90.

DEFAULT_FRICTION_COEFF = 0.7      # dry asphalt
DEFAULT_GRAVITATIONAL_ACC = 9.81  # m/s^2
DEFAULT_ALPHA = 100.