this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.__addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.__addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.__addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.__addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.addObject(a)}},remove:function(a){varb=
this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE: Object3D.add(): An object can't be added as a child of itself.");elseif(-1===this.children.indexOf(a)){void0!==a.parent&&a.parent.remove(a);a.parent=this;this.children.push(a);for(varb=this;void0!==b.parent;)b=b.parent;void0!==b&&binstanceofTHREE.Scene&&b.__addObject(a)}},remove:function(a){varb=