Processing in BlueJ

Installation

• Download the suitable libraries for your operating system: https://github.com/mikebarkmin/bluej-processing/releases
• Copy the extracted libraries into a +libs folder or copy them to the bluej userlibs folder (see How do I use custom class libraries)
• Copy BlueJPApplet into your project
• If you want to use additional processsing libraries copy them also into the +libs folder

Usage

• Every Processing Sketch should extend BlueJPApplet

Examples

• Download the examples folder

Cat

• Additional Processing Libraries: Scratch

Corresponding Scratch Project

• Open the cat example
• Run the runSketch method of CatSketch
• Inspect the CatSketch object and get the ScratchStage object
• Construct a new CatSprite named cat
• Call the addSprite method of the ScratchStage object with cat
• Call the changeTint method of cat
• Enjoy 😄

Halloween

• Additional Processing Libraries: Scratch, Audio

Corresponding Scratch Project

• Open the halloween example
• Run the runSketch method of HalloweenSketch
• Inspect the HalloweenSketch object and get the Ghost object
• Call the setAnimationInterval method of the Ghost object with 50
• Enjoy 🏃

Jumpy

• Additional Processing Libraries: Scratch

No corresponding Scratch project

• Jump on top of the monsters.
• How long can you survive?
• Control with right and left arrow keys.
• Restart with r.