Using command gradle build and gradle run can run the program
The JSON file has a JSONArray outside, each JSONObject inside the JOSONArray store the each level inforamtion. It include sticmanSize (JSONObject), levelSize(JSONObject), mushroomPos (JSONObject), flagPos(JSONObject), slimePos(JSONAraay), footPos(JSONArray), levelFloorHeight (JsonObject), stickmanPos(JSONObject)
The json file name is call "default.json". it can located at the same directory with the src folder and build.gradle
If you want to change to load different level, you can go to GameEngineImp that located at the stickman/model/GameEngine. Go to line 22, change levels.get(currentLevelIndex) to levels.get(1), and restart the program. You are able to load differnt level.
However, don't change the number more than 1. In current stage, it only has 2 levels. It will due to IndexOutOfRange error and crash the program
when the stickman(hero) touch the mushroom, press space can shoot bullets.