Ballboy

How to run this game

Make sure the environment is using Java 11 or above, and run gradle run at the root directory of this project.

JSON format

• _comment
• ballboy
• _ballboySizeComment
• level
  • levelHeight
  • levelWidth
  • gravity
  • floorAppearance
  • skyAppearance
  • floorHeight
  • ballboyPos
    • x
    • y
  • _ballboyPosComment
  • finish
    • x
    • y
  • _finishComment
  • platform [{x,y}]
  • _platformComment
  • enemy [ {type, color, width, height, xVel, yVel, x, y} ]
  • clouds [ {x, y, xVel, yVel} ]
  • _cloudComment

Example JSON configuration

Config.json at the root directory is the example JSON configuration.

Config.json will

• set the size the ballboy as large.
• set the start position of ballboy at this level at (20.0, 30.0).
• set the height of this level as 400.0.
• set the width of this level as 1000.0.
• apply gravity with value 9.8n/s to ballboy and enemy.
• set the color of the floor as green.
• set the color of the sky as light blue.
• set the floor height as 50.0.
• set the finish object at (700.0, 300.0).
• render three platform object at (300.0, 200.0), (200.0, 200.0), (100.0, 200.0) respectively.
• Render a red goRight enemy with 0.0 x velocity and 0.0 y velocity at (100.0,300.0), whose height is 20.0 and width is 30.0.
• Spawn three constantly moving clouds with 0.03 x velocity and 0.0 y velocity at (40.0,130.0), (120.0, 200.0), (300.0, 300.0) respectively.

Factory method pattern and the involved files and classes

ballboy.factory.EntityFactory is the Creator.

ballboy.factory.EntityFactory.create() is the creator methods.

ballboy.model.Entity is the product interface.

ballboy.model.Ballboy , ballboy.model.Cloud , ballboy.model.Enemy , ballboy.model.Finish , ballboy.model.Platform are the Concrete Product.

Strategy pattern and the involved files and classes

ballboy.model.Strategy.Strategy is the strategy interface.

ballboy.model.Strategy.HoldStillStrategy, ballboy.model.Strategy.GoRightStrategy and ballboy.model.Strategy.GoLeftStrategy are the concrete strategy.

ballboy.model.Enemy is the context.

ballboy.model.LevelImpl.tick() and ballboy.model.JSONInterpreter.createEnemy is the client.