mahmed8003

/**
 * Converts nested arrays into one-dimensional flattening array (recursively)
 * @param {Array} arr Input nested arrays 
 * @param {Array} result Output one-dimensional flattening array
 * @return Output one-dimensional flattening array
 */
function flattenNestedArrays(arr, result = []) {
  const length = arr.length;
  for (let i = 0; i < length; i++) {

mahmed8003

// Credit goes to https://gist.github.com/cbranch/260224a7e4699552d2dc
// Gets a JSDraw instance which renders to a PIXI graphics object.
// graphics: an instance of PIXI.Graphics
// scale: the scaling factor to convert from Box2D coordinates to screen pixels
function getPIXIDebugDraw(graphics, scale) {
  function getColorFromDebugDrawCallback(color) {
    var col = Box2D.wrapPointer(color, Box2D.b2Color);
    var red = (col.get_r() * 255 * 255 * 255)|0;
    var green = (col.get_g() * 255 * 255)|0;
    var blue = (col.get_b() * 255)|0;