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'''Enhanced Don't Crash Into Buildings !'''
this is a list of things we can do if we're done everything else, and looking for more
(Some or all of these features may be added to/replace features in the base game, depending on time constraints)
* Because it is important to be at the correct altitude to fly through the gaps/over them, we could have an altitude meter with different colours. The gaps in the buildings could be marked with those colours, and then you can match up those colours with the altitude meter to know that you're at the correct height to pass through the gaps
* Vertical movement should be between a set of discrete values, due to the difficulty in telling exact height from a top down perspective, even with an altitude meter
== Initial version ==
The initial version of the game will be on the command line, turn based, with positional accuracy to the character level. This will allow us to write the full grid-aligned bounding box based collision detection, a simplified version of the ship movement code, and the maze generation and path guaranteeing code.
Basic algorithms:
Collision detection: All of the buildings are aligned to a grid, so they have a maximum and minimum x position, and a maximum and minimum y position. To determine if we have collided with a building, we check (either for all nearby buildings or all buildings onscreen) out ship's collision co-ordinates to see if maxBuildingX < shipX < minBuildingX AND maxBuildingY < shipY < minBuildingY. If so, then we've collided with that building. We should be keeping track of the ship's position in the previous frame, so that after we collide with something we can reset the position to that of the previous frame.
Ship movement: Press arrows, ship position changes at a constant rate. In the console, we will simply change the ships position by one when an arrow key is pressed.
Maze generation: We will have a difficulty number, possibly from 0 to 100, that increases over time. For each building square, we create a random number from 0 to 100. If that number is less than the difficulty number, then we place a building in that square.
Path guaranteeing: