diff --git a/src/editor/Viewport.js b/src/editor/Viewport.js
index fc7b82b6..71dc234d 100644
--- a/src/editor/Viewport.js
+++ b/src/editor/Viewport.js
@@ -69,135 +69,6 @@ function Viewport(app) {
 
     sceneHelpers.add(transformControls);
 
-    // object picking
-
-    var raycaster = new THREE.Raycaster();
-    var mouse = new THREE.Vector2();
-
-    // events
-
-    function getIntersects(point, objects) {
-
-        mouse.set((point.x * 2) - 1, -(point.y * 2) + 1);
-
-        raycaster.setFromCamera(mouse, camera);
-
-        return raycaster.intersectObjects(objects);
-
-    }
-
-    var onDownPosition = new THREE.Vector2();
-    var onUpPosition = new THREE.Vector2();
-    var onDoubleClickPosition = new THREE.Vector2();
-
-    function getMousePosition(dom, x, y) {
-
-        var rect = dom.getBoundingClientRect();
-        return [(x - rect.left) / rect.width, (y - rect.top) / rect.height];
-
-    }
-
-    function handleClick() {
-
-        if (onDownPosition.distanceTo(onUpPosition) === 0) {
-
-            var intersects = getIntersects(onUpPosition, objects);
-
-            if (intersects.length > 0) {
-
-                var object = intersects[0].object;
-
-                if (object.userData.object !== undefined) {
-
-                    // helper
-
-                    editor.select(object.userData.object);
-
-                } else {
-
-                    editor.select(object);
-
-                }
-
-            } else {
-
-                editor.select(null);
-
-            }
-
-            _this.app.call('render');
-
-        }
-
-    }
-
-    function onMouseDown(event) {
-
-        event.preventDefault();
-
-        var array = getMousePosition(container.dom, event.clientX, event.clientY);
-        onDownPosition.fromArray(array);
-
-        document.addEventListener('mouseup', onMouseUp, false);
-
-    }
-
-    function onMouseUp(event) {
-
-        var array = getMousePosition(container.dom, event.clientX, event.clientY);
-        onUpPosition.fromArray(array);
-
-        handleClick();
-
-        document.removeEventListener('mouseup', onMouseUp, false);
-
-    }
-
-    function onTouchStart(event) {
-
-        var touch = event.changedTouches[0];
-
-        var array = getMousePosition(container.dom, touch.clientX, touch.clientY);
-        onDownPosition.fromArray(array);
-
-        document.addEventListener('touchend', onTouchEnd, false);
-
-    }
-
-    function onTouchEnd(event) {
-
-        var touch = event.changedTouches[0];
-
-        var array = getMousePosition(container.dom, touch.clientX, touch.clientY);
-        onUpPosition.fromArray(array);
-
-        handleClick();
-
-        document.removeEventListener('touchend', onTouchEnd, false);
-
-    }
-
-    function onDoubleClick(event) {
-
-        var array = getMousePosition(container.dom, event.clientX, event.clientY);
-        onDoubleClickPosition.fromArray(array);
-
-        var intersects = getIntersects(onDoubleClickPosition, objects);
-
-        if (intersects.length > 0) {
-
-            var intersect = intersects[0];
-
-            _this.app.call('objectFocused', _this, intersect.object);
-
-        }
-
-    }
-
-    container.dom.addEventListener('mousedown', onMouseDown, false);
-    container.dom.addEventListener('touchstart', onTouchStart, false);
-    container.dom.addEventListener('dblclick', onDoubleClick, false);
-
     // 编辑器控件
 
     // controls need to be added *after* main logic,