Jumping with ground check using ray casting, Box2D-WASM, Melon.js, and JavaScript

- Live demo: https://8observer8.github.io/webgl10-js/can-jump-with-ray-casting-box2dwasm-melonjs-js/

- GitHub repository: https://github.com/8Observer8/can-jump-with-ray-casting-box2dwasm-melonjs-js

Playgrounds/Sandboxes:

- Replit: https://replit.com/@8Observer8/Can-jump-with-ray-casting-Box2D-WASM-MelonJS-JS

- Plunker: https://plnkr.co/edit/QV6HFlqWkMRgmglM?preview

- Glitch: https://glitch.com/edit/#!/sleet-buttery-rainforest