adding contribution Box2D For Processing from

Author: shiffman

contributions.yaml

@@ -5863,3 +5863,22 @@ contributions:
     https://github.com//nature-of-code/noc-2-processing-port/releases/latest/download/noc-2-processing-port.zip
   previousVersions:
   - '1'
+- id: 302
+  status: VALID
+  dateAdded: 2025-09-04T21:25:52+0000
+  type: library
+  source: 
+    https://github.com/shiffman/Box2D-for-Processing/releases/download/2.0.1/box2d_processing.txt
+  name: Box2D for Processing
+  authors: '[Daniel Shiffman](http://www.shiffman.net/)'
+  url: https://github.com/shiffman/Box2D-for-Processing
+  categories:
+  - Simulation
+  sentence: A library and set of examples for 2D physics simulation wrapping 
+    some aspects of [JBox2D](http://www.jbox2d.org/), a Java implementation of 
+    [Box2D](http://box2d.org/).
+  paragraph: ''
+  version: 4
+  prettyVersion: '0.4'
+  download: 
+    https://github.com/shiffman/Box2D-for-Processing/releases/download/2.0.1/box2d_processing.zip