Available Functions:

• player.shoot(direction) - Fire a projectile
  direction: int - 0 (forward), 1 (left), 2 (right)
• player.set_thrusters(left_power, right_power) - Control movement
  left_power, right_power: float - Range: -1.0 to 1.0
• print(message) - Output to browser console

Context Object (passed to on_player_update):

• context["playerPosition"] - dict with "x" and "y"
• context["playerVelocity"] - dict with "x" and "y"
• context["playerRotation"] - float - Rotation angle in degrees
• context["deltaTime"] - float - Time since last frame (seconds)
• context["visibleMonsterCount"] - int - Number of visible monsters
• context["visibleMonsters"] - list - Array of monster objects

Monster Object Properties:

• monster["position"] - dict with "x" and "y"
• monster["size"] - float - Monster size/radius
• monster["health"] - float - Current health (0-100)
• monster["invincible"] - bool - Whether monster is invincible