Trajection
This game is open source and its code is publicly-available at https://github.com/pappasbrent/trajection.
Features
- 5 levels of physics-altering fun!
- A level-editor for making your own set of levels.
Controls
Main game:
- Click the mouse to fire the ball.
- When the ball flies over a circle with an arrow, click the mouse again to change the direction of the ball's velocity to that of the arrow.
Editor:
- n: Place the cannon that will fire the ball when this level starts. A level can contain at most one cannon.
- c: Place a "turn circle" for redirecting the ball's gravity. A level can contain at most 16 turn circles.
- w: Place a wall that the ball cannot fly past. A level can contain at most 48 walls.
- f: Place a finish line square. If the ball touches one of these, then the game will go to the next level, or the win screen if there are no more levels.
- e: The cursor will turn into a pink square. Click the mouse when the pink square is inside something to delete it.
- 1: If you are placing a cannon or turn circle, change its direction to left.
- 2: If you are placing a cannon or turn circle, change its direction to right.
- 3: If you are placing a cannon or turn circle, change its direction to up.
- 4: If you are placing a cannon or turn circle, change its direction to down.
- Right arrow: Edit the next level in the currently-open set of levels (each level files contains a series of five levels).
- Left arrow: Edit the previous level in the currently-open set of levels.
Download
Install instructions
Simply download and unzip the zip file for your system, and run Trajection or its level editor by clicking on them in your file explorer, or by running them from the command line. Make sure to run trajection and its editor in the directory/folder that contains the "resources" folder, otherwise the sprites won't load!
Trajection's level editor accepts a single command-line argument that is the path to the file containing the list of levels you would like to edit. Each file contains exactly 5 levels. If the specified file does not exist, the level editor will create it; otherwise the editor will enable you to edit the levels that are already in the file.
The Trajection game itself also accepts a single optional command-line argument, which is the name of file containing the levels you would like to play. If you do not provide this command-line argument, then Trajection will load five default levels for you to start playing with right away.
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