SkeletonHelper constructor

SkeletonHelper(dynamic object)

Implementation

factory SkeletonHelper(object) {
  var bones = getBoneList(object);

  var geometry = BufferGeometry();

  List<double> vertices = [];
  List<double> colors = [];

  var color1 = Color(0, 0, 1);
  var color2 = Color(0, 1, 0);

  for (var i = 0; i < bones.length; i++) {
    var bone = bones[i];

    if (bone.parent != null && bone.parent!.type == "Bone") {
      vertices.addAll([0, 0, 0]);
      vertices.addAll([0, 0, 0]);
      colors.addAll(
          [color1.r.toDouble(), color1.g.toDouble(), color1.b.toDouble()]);
      colors.addAll(
          [color2.r.toDouble(), color2.g.toDouble(), color2.b.toDouble()]);
    }
  }

  geometry.setAttribute(
      'position',
      Float32BufferAttribute(Float32Array.from(vertices), 3, false));
  geometry.setAttribute(
      'color',
      Float32BufferAttribute(Float32Array.from(colors), 3, false));

  var material = LineBasicMaterial({
    "vertexColors": true,
    "depthTest": false,
    "depthWrite": false,
    "toneMapped": false,
    "transparent": true
  });

  var keletonHelper = SkeletonHelper.create(geometry, material);

  keletonHelper.root = object;
  keletonHelper.bones = bones;

  keletonHelper.matrix = object.matrixWorld;

  return keletonHelper;
}