mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-05 20:40:25 -08:00
159 lines
4.2 KiB
Python
159 lines
4.2 KiB
Python
"""
|
|
ORBIT
|
|
|
|
Orbital mechanics simulation
|
|
|
|
Port by Dave LeCompte
|
|
"""
|
|
|
|
import math
|
|
import random
|
|
|
|
PAGE_WIDTH = 64
|
|
|
|
|
|
def print_centered(msg: str) -> None:
|
|
spaces = " " * ((PAGE_WIDTH - len(msg)) // 2)
|
|
print(spaces + msg)
|
|
|
|
|
|
def print_instructions() -> None:
|
|
print(
|
|
"""SOMEWHERE ABOVE YOUR PLANET IS A ROMULAN SHIP.
|
|
|
|
THE SHIP IS IN A CONSTANT POLAR ORBIT. ITS
|
|
DISTANCE FROM THE CENTER OF YOUR PLANET IS FROM
|
|
10,000 TO 30,000 MILES AND AT ITS PRESENT VELOCITY CAN
|
|
CIRCLE YOUR PLANET ONCE EVERY 12 TO 36 HOURS.
|
|
|
|
UNFORTUNATELY, THEY ARE USING A CLOAKING DEVICE SO
|
|
YOU ARE UNABLE TO SEE THEM, BUT WITH A SPECIAL
|
|
INSTRUMENT YOU CAN TELL HOW NEAR THEIR SHIP YOUR
|
|
PHOTON BOMB EXPLODED. YOU HAVE SEVEN HOURS UNTIL THEY
|
|
HAVE BUILT UP SUFFICIENT POWER IN ORDER TO ESCAPE
|
|
YOUR PLANET'S GRAVITY.
|
|
|
|
YOUR PLANET HAS ENOUGH POWER TO FIRE ONE BOMB AN HOUR.
|
|
|
|
AT THE BEGINNING OF EACH HOUR YOU WILL BE ASKED TO GIVE AN
|
|
ANGLE (BETWEEN 0 AND 360) AND A DISTANCE IN UNITS OF
|
|
100 MILES (BETWEEN 100 AND 300), AFTER WHICH YOUR BOMB'S
|
|
DISTANCE FROM THE ENEMY SHIP WILL BE GIVEN.
|
|
|
|
AN EXPLOSION WITHIN 5,000 MILES OF THE ROMULAN SHIP
|
|
WILL DESTROY IT.
|
|
|
|
BELOW IS A DIAGRAM TO HELP YOU VISUALIZE YOUR PLIGHT.
|
|
|
|
|
|
90
|
|
0000000000000
|
|
0000000000000000000
|
|
000000 000000
|
|
00000 00000
|
|
00000 XXXXXXXXXXX 00000
|
|
00000 XXXXXXXXXXXXX 00000
|
|
0000 XXXXXXXXXXXXXXX 0000
|
|
0000 XXXXXXXXXXXXXXXXX 0000
|
|
0000 XXXXXXXXXXXXXXXXXXX 0000
|
|
180<== 00000 XXXXXXXXXXXXXXXXXXX 00000 ==>0
|
|
0000 XXXXXXXXXXXXXXXXXXX 0000
|
|
0000 XXXXXXXXXXXXXXXXX 0000
|
|
0000 XXXXXXXXXXXXXXX 0000
|
|
00000 XXXXXXXXXXXXX 00000
|
|
00000 XXXXXXXXXXX 00000
|
|
00000 00000
|
|
000000 000000
|
|
0000000000000000000
|
|
0000000000000
|
|
270
|
|
|
|
X - YOUR PLANET
|
|
O - THE ORBIT OF THE ROMULAN SHIP
|
|
|
|
ON THE ABOVE DIAGRAM, THE ROMULAN SHIP IS CIRCLING
|
|
COUNTERCLOCKWISE AROUND YOUR PLANET. DON'T FORGET THAT
|
|
WITHOUT SUFFICIENT POWER THE ROMULAN SHIP'S ALTITUDE
|
|
AND ORBITAL RATE WILL REMAIN CONSTANT.
|
|
|
|
GOOD LUCK. THE FEDERATION IS COUNTING ON YOU.
|
|
"""
|
|
)
|
|
|
|
|
|
def get_yes_or_no() -> bool:
|
|
while True:
|
|
response = input().upper()
|
|
if response == "YES":
|
|
return True
|
|
elif response == "NO":
|
|
return False
|
|
else:
|
|
print("PLEASE TYPE 'YES' OR 'NO'")
|
|
|
|
|
|
def game_over(is_success: bool) -> bool:
|
|
if is_success:
|
|
print("YOU HAVE SUCCESSFULLY COMPLETED YOUR MISSION.")
|
|
else:
|
|
print("YOU HAVE ALLOWED THE ROMULANS TO ESCAPE.")
|
|
print("ANOTHER ROMULAN SHIP HAS GONE INTO ORBIT.")
|
|
print("DO YOU WISH TO TRY TO DESTROY IT?")
|
|
|
|
return get_yes_or_no()
|
|
|
|
|
|
def play_game() -> bool:
|
|
rom_angle = random.randint(0, 359)
|
|
rom_distance = random.randint(100, 300)
|
|
rom_angular_velocity = random.randint(10, 30)
|
|
for hour in range(1, 8):
|
|
print()
|
|
print()
|
|
print(f"THIS IS HOUR {hour}, AT WHAT ANGLE DO YOU WISH TO SEND")
|
|
print("YOUR PHOTON BOMB?")
|
|
|
|
bomb_angle = float(input())
|
|
print("HOW FAR OUT DO YOU WISH TO DETONATE IT?")
|
|
bomb_distance = float(input())
|
|
print()
|
|
print()
|
|
|
|
rom_angle = (rom_angle + rom_angular_velocity) % 360
|
|
angular_difference = rom_angle - bomb_angle
|
|
c = math.sqrt(
|
|
rom_distance**2
|
|
+ bomb_distance**2
|
|
- 2
|
|
* rom_distance
|
|
* bomb_distance
|
|
* math.cos(math.radians(angular_difference))
|
|
)
|
|
|
|
print(f"YOUR PHOTON BOMB EXPLODED {c:.4f}*10^2 MILES FROM THE")
|
|
print("ROMULAN SHIP.")
|
|
|
|
if c <= 50:
|
|
# Destroyed the Romulan
|
|
return True
|
|
|
|
# Ran out of time
|
|
return False
|
|
|
|
|
|
def main() -> None:
|
|
print_centered("ORBIT")
|
|
print_centered("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n\n\n")
|
|
|
|
print_instructions()
|
|
|
|
while True:
|
|
success = play_game()
|
|
again = game_over(success)
|
|
if not again:
|
|
return
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|