var sortDistArray = new Array(skinData.subMeshes.length);
            for (var i = 0; i < sortDistArray.length; i++) {
                var submesh = skinData.subMeshes[i];
                var centerBB = submesh.centerBoundingBox;
                var centerBBVec3 = vec3.fromValues(centerBB.x, centerBB.y, centerBB.z);


                var boneMat = this.bonesMatrices[submesh.rootBone];
                vec3.transformMat4(centerBBVec3, centerBBVec3, boneMat);
                vec3.transformMat4(centerBBVec3, centerBBVec3, modelViewMat);
                var value = vec3.length(centerBBVec3);


                sortDistArray[i] = value;
            }


            QuickSort.multiQuickSort(
                this.materialArray,
                0, this.materialArray.length - 1,
                function test1(a, b) {
                    var aabb1_t = transformedAABB[a.meshIndex];
                    var aabb2_t = transformedAABB[b.meshIndex];

                    if (a.flags != b.flags) {
                        return b.flags - a.flags
                    }

                    if (sortDistArray[a.meshIndex] > sortDistArray[b.meshIndex]) {
                        return 1
                    }
                    if (sortDistArray[a.meshIndex] < sortDistArray[b.meshIndex]) {
                        return -1
                    }
                    return a.layer - b.layer;
                }
            );