Collision Physics Javascript Patch

Basic Javascript Physics simulator…

A demonstration patch that has Javascript collision detection as its core.

Javascript starting code sourced from Isadora user @Marci and the following 2015 Isadora Forum thread:

https://community.troikatronix.com/topic/2238/basic-physics-engine-stage-edge-collision-with-rebound-gravity-and-friction?_=1632603478353

the following original code sources are referenced:

http://jzaefferer.github.io/flocking/bouncing.html

Vector math basics to animate a bouncing ball in JavaScript

the collision detection is just between the objects and the

bounds of “the world”.

Packaged as a demonstration patch, updated with additional gravity and world parameters by bonemap Sept 2021