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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 RotateTool(context, root) {
this.downPoint = null;
this.lastRotation = 0;
this.context = context;
this.selectedObject = null;
this.root = root;
this.transformInfo = o3djs.picking.createTransformInfo(root, null);
this.rotateAxis = [0.0, 0.0, 1.0];
this.rotateCenter = null;
}
RotateTool.prototype.handleMouseDown = function(e) {
this.downPoint = { x: e.x, y: e.y };
var window_width = g_client.width;
var window_height = g_client.height;
var worldRay = o3djs.picking.clientPositionToWorldRay(this.downPoint.x,
this.downPoint.y,
this.context,
window_width,
window_height);
this.transformInfo.update();
var pickInfo = this.transformInfo.pick(worldRay);
if (pickInfo) {
pickedObject = pickInfo.shapeInfo.parent;
while (pickedObject.parent != null &&
pickedObject.parent.transform != this.root) {
dump(pickedObject.transform.name + '\n');
pickedObject = pickedObject.parent;
}
this.selectedObject = pickedObject.transform;
} else {
this.selectedObject = null;
}
if (this.selectedObject) {
dump(this.selectedObject.name + '\n');
this.lastRotation = 0.0;
} else {
this.downPoint = null;
}
};
RotateTool.prototype.handleMouseUp = function(e) {
this.downPoint = null;
this.selectedObject = null;
};
RotateTool.prototype.handleMouseMove = function(e) {
if (this.downPoint == null)
return;
if (e.x === undefined)
return;
offset = this.downPoint.x - e.x;
radian_rotation = -10.0 * Math.round(offset / 10.0) * (Math.PI / 180.0);
relative_rotation = radian_rotation - this.lastRotation;
this.lastRotation = radian_rotation;
if (relative_rotation != 0 && this.selectedObject) {
matrix = this.selectedObject.localMatrix;
transformation = g_math.matrix4.axisRotation(this.rotateAxis,
relative_rotation);
matrix = g_math.matrix4.mul(transformation, matrix);
this.selectedObject.localMatrix = matrix;
}
};
RotateTool.prototype.handleKeyDown = function(e) {
return false;
};
RotateTool.prototype.handleKeyUp = function(e) {
return false;
};
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