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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* A tool to move components around in the scene. Will constrain movement to
* the ground plane.
*
* Requires the picking Client 3d Utilities API.
*/
function DeleteTool(context, root) {
this.context = context;
this.root = root;
this.transformInfo = o3djs.picking.createTransformInfo(root, null);
this.selectedObject = null;
}
DeleteTool.prototype.getPickedObject = function(e) {
var worldRay = o3djs.picking.clientPositionToWorldRay(e.x,
e.y,
this.context,
g_client.width,
g_client.height);
this.transformInfo.update();
var pickInfo = this.transformInfo.pick(worldRay);
var picked_object_root = null;
if (pickInfo) {
pickedObject = pickInfo.shapeInfo.parent;
while (pickedObject.parent != null &&
pickedObject.parent.transform != this.root) {
pickedObject = pickedObject.parent;
}
picked_object_root = pickedObject.transform;
}
return picked_object_root;
};
DeleteTool.prototype.handleMouseDown = function(e) {
this.selectedObject = this.getPickedObject(e);
};
DeleteTool.prototype.handleMouseUp = function(e) {
if (this.selectedObject != null &&
this.selectedObject == this.getPickedObject(e)) {
// Delete the object if the user clicked down and up on the same object.
this.selectedObject.parent = null;
}
this.selectedObject = null;
};
DeleteTool.prototype.handleMouseMove = function(e) {
};
DeleteTool.prototype.handleKeyDown = function(e) {
return false;
};
DeleteTool.prototype.handleKeyUp = function(e) {
return false;
};
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