c=u.dot(e,o);return-.999999>c?(u.cross(t,n,e),u.length(t)<1e-6&&u.cross(t,r,e),u.normalize(t,t),i.setAxisAngle(a,t,Math.PI),a):c>.999999?(a[0]=0,a[1]=0,a[2]=0,a[3]=1,a):(u.cross(t,e,o),a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=1+c,i.normalize(a,a))}}(),i.setAxes=function(){var t=e.create();return function(n,r,a,e){return t[0]=a[0],t[3]=a[1],t[6]=a[2],t[1]=e[0],t[4]=e[1],t[7]=e[2],t[2]=-r[0],t[5]=-r[1],t[8]=-r[2],i.normalize(n,i.fromMat3(n,t))}}(),i.clone=o.clone,i.fromValues=o.fromValues,i.copy=o.copy,i....