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/*
* Copyright 2010, 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.
*/
/**
* Creates BoundingBox from minExtent and maxExtent
* @param {!o3d.math.Point3} opt_minExtent optional minimum extent of the box.
* @param {!o3d.math.Point3} opt_maxExtent optional maximum extent of the box.
* @constructor
*/
o3d.BoundingBox =
function(opt_minExtent, opt_maxExtent) {
o3d.ParamObject.call(this);
if (!opt_minExtent) {
opt_minExtent = [0, 0, 0];
}
if (!opt_maxExtent) {
opt_maxExtent = [0, 0, 0];
}
this.minExtent = [opt_minExtent[0], opt_minExtent[1], opt_minExtent[2]];
this.maxExtent = [opt_maxExtent[0], opt_maxExtent[1], opt_maxExtent[2]];
};
o3d.inherit('BoundingBox', 'ParamObject');
/**
* True if this boundingbox has been initialized.
* @type {boolean}
*/
o3d.BoundingBox.prototype.valid_ = false;
/**
* The min extent of the box.
* @type {!o3d.math.Point3}
*/
o3d.BoundingBox.prototype.minExtent = [0, 0, 0];
/**
* The max extent of the box.
* @type {!o3d.math.Point3}
*/
o3d.BoundingBox.prototype.maxExtent = [0, 0, 0];
/**
* Multiplies the bounding box by the given matrix returning a new bounding
* box.
* @param {!o3d.math.Matrix4} matrix The matrix to multiply by.
* @return {!o3d.BoundingBox} The new bounding box.
*/
o3d.BoundingBox.prototype.mul =
function(matrix) {
o3d.notImplemented();
};
/**
* Adds a bounding box to this bounding box returning a bounding box that
* encompases both.
* @param {!o3d.BoundingBox} box BoundingBox to add to this BoundingBox.
* @return {!o3d.BoundingBox} The new bounding box.
*/
o3d.BoundingBox.prototype.add =
function(box) {
o3d.notImplemented();
};
/**
* Checks if a ray defined in same coordinate system as this box intersects
* this bounding box.
* TODO(petersont): this can also take six coordinates as input.
* @param {!o3d.math.Point3} start position of start of ray in local space.
* @param {!o3d.math.Point3} end position of end of ray in local space.
* @return {!o3d.RayIntersectionInfo} RayIntersectionInfo. If result.value
* is false then something was wrong like using this function with an
* uninitialized bounding box. If result.intersected is true then the ray
* intersected the box and result.position is the exact point of
* intersection.
*/
o3d.BoundingBox.prototype.intersectRay =
function(start, end) {
o3d.notImplemented();
};
/**
* Returns true if the bounding box is inside the frustum.
* @param {!o3d.math.Matrix4} matrix Matrix to transform the box from its
* local space to view frustum space.
* @return {boolean} True if the box is in the frustum.
*/
o3d.BoundingBox.prototype.inFrustum =
function(matrix) {
o3d.notImplemented();
};
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