Function _box

libraries/p5.js:34440–34469

()

  if(!this._renderer.geometryInHash(gId)){
    var _box = function(){
      var cubeIndices = [
        [0, 4, 2, 6],// -1, 0, 0],// -x
        [1, 3, 5, 7],// +1, 0, 0],// +x
        [0, 1, 4, 5],// 0, -1, 0],// -y
        [2, 6, 3, 7],// 0, +1, 0],// +y
        [0, 2, 1, 3],// 0, 0, -1],// -z
        [4, 5, 6, 7]// 0, 0, +1] // +z
      ];
      var id=0;
      for (var i = 0; i < cubeIndices.length; i++) {
        var cubeIndex = cubeIndices[i];
        var v = i * 4;
        for (var j = 0; j < 4; j++) {
          var d = cubeIndex[j];
          //inspired by lightgl:
          //https://github.com/evanw/lightgl.js
          //octants:https://en.wikipedia.org/wiki/Octant_(solid_geometry)
          var octant = new p5.Vector(
            ((d & 1) * 2 - 1)*width/2,
            ((d & 2) - 1) *height/2,
            ((d & 4) / 2 - 1) * depth/2);
          this.vertices.push( octant );
          this.uvs.push([j & 1, (j & 2) / 2]);
          id++;
        }
        this.faces.push([v, v + 1, v + 2]);
        this.faces.push([v + 2, v + 1, v + 3]);
      }
    };
    var boxGeom = new p5.Geometry(detailX,detailY, _box);
    boxGeom.computeNormals();
    //initialize our geometry buffer with