关于一个python的小游戏作业有人能帮做一下吗

Problem 1: Disappearing spaceship

This is an exercise in close-reading of code and debugging. The fix for this problem is very simple (there are several ways to fix the problem, but it can be done by modifying a single line of code), but you're given no hints, so you will have to track down the issue yourself.

Problem 2: Stuck thruster

As in the case of the previous exercise, this issue can be resolved with a small modification to a single line of code. You'll need to look closely at the thruster display logic and the keyboard event logic in several classes to see where the issue is arising.

Problem 3: Endless laser beams

At the moment, the laser beams fired by the spaceship are staying in the scene forever. This clutters up the scene and isn't good for game play. We want the laser beams to be removed from the scene when their lifespan is exhausted (set this to occur after 100 frames).

There are two places you'll be expected to modify code, which are highlighed by the labels TODO: Problem 3, Part 1 and TODO: Problem 3, Part 2. For Part 1, you'll make whatever modifications are necessary in laserbeam.py to implement a lifespan of 100 frames and ensure that it maintains the laser beam's remaining lifespan with passing frames.

For Part 2, you'll modify game_controller.py to see to it that the game controller handles the laser beams appropriately based on their lifespan. Specifically, laser beams which have been in the scene for longer than their lifespan specifies (as measured in frames/draw cycles) should be removed from the scene.

Problem 4: Blowing up asteroids

Finally, our laser torpedoes are not currently having any effect on the asteroid. This is a big problem, because without blowing up asteroids, we can never win the game!

The code needed for this will all reside in the game controller class. It will be implemented in two parts:

• The intersection logic to determine whether an asteroid has intersected with a laser beam.
• Whatever code is necessary to blow up the asteroid when it has been hit by a laser beam.

The places where you'll need to add code are highlighted in the files by the TODOs. If you need to add any new instance variables or constants, you should put those in an appropriate place in the code. Read the code and the comments closely for further guidance on what needs to be done.

Laser beams that hit an asteroid should also be removed from the scene.

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