topical media & game development
student-ar-org-libspark-flartoolkit-core-transmat-FLARTransMat.ax
student-ar-org-libspark-flartoolkit-core-transmat-FLARTransMat.ax
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/*
* PROJECT: FLARToolKit
* --------------------------------------------------------------------------------
* This work is based on the NyARToolKit developed by
* R.Iizuka (nyatla)
* http://nyatla.jp/nyatoolkit/
*
* The FLARToolKit is ActionScript 3.0 version ARToolkit class library.
* Copyright (C)2008 Saqoosha
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this framework; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information please contact.
* http://www.libspark.org/wiki/saqoosha/FLARToolKit
* <saq(at)saqoosha.net>
*
*/
package org.libspark.flartoolkit.core.transmat {
import org.libspark.flartoolkit.core.FLARSquare;
import org.libspark.flartoolkit.core.param.FLARCameraDistortionFactor;
import org.libspark.flartoolkit.core.param.FLARParam;
import org.libspark.flartoolkit.core.param.FLARPerspectiveProjectionMatrix;
import org.libspark.flartoolkit.core.transmat.fitveccalc.FLARFitVecCalculator;
import org.libspark.flartoolkit.core.transmat.optimize.FLARRotTransOptimize;
import org.libspark.flartoolkit.core.transmat.rotmatrix.FLARRotMatrix;
import org.libspark.flartoolkit.core.types.FLARDoublePoint2d;
import org.libspark.flartoolkit.core.types.FLARDoublePoint3d;
This class calculates ARMatrix from square information and holds it. --
変換行列を計算して、結果を保持するクラス。
public class @ax-student-ar-org-libspark-flartoolkit-core-transmat-FLARTransMat implements I@ax-student-ar-org-libspark-flartoolkit-core-transmat-FLARTransMat {
private static const AR_GET_TRANS_CONT_MAT_MAX_FIT_ERROR:Number = 1.0;
private var _rotmatrix:FLARRotMatrix;
private const _center:FLARDoublePoint2d = new FLARDoublePoint2d(0, 0);
private var _calculator:FLARFitVecCalculator;
private const _offset:FLARTransOffset = new FLARTransOffset();
private var _mat_optimize:FLARRotTransOptimize;
public function @ax-student-ar-org-libspark-flartoolkit-core-transmat-FLARTransMat(i_param:FLARParam) {
const dist:FLARCameraDistortionFactor = i_param.getDistortionFactor();
const pmat:FLARPerspectiveProjectionMatrix = i_param.getPerspectiveProjectionMatrix();
this._calculator = new FLARFitVecCalculator(pmat, dist);
this._rotmatrix = new FLARRotMatrix(pmat);
this._mat_optimize = new FLARRotTransOptimize(pmat);
}
public function setCenter(i_x:Number, i_y:Number):void {
this._center.x = i_x;
this._center.y = i_y;
}
頂点順序をi_directionに対応して並べ替えます。
parameter: i_square
parameter: i_direction
parameter: o_sqvertex_ref FLARDoublePoint2d[]
parameter: o_liner_ref FLARLinear[]
private function initVertexOrder(i_square:FLARSquare, i_direction:int, o_sqvertex_ref:Array, o_liner_ref:Array):void {
//頂点順序を考慮した矩形の頂点情報
o_sqvertex_ref[0] = i_square.sqvertex[(4 - i_direction) % 4];
o_sqvertex_ref[1] = i_square.sqvertex[(5 - i_direction) % 4];
o_sqvertex_ref[2] = i_square.sqvertex[(6 - i_direction) % 4];
o_sqvertex_ref[3] = i_square.sqvertex[(7 - i_direction) % 4];
o_liner_ref[0] = i_square.line[(4 - i_direction) % 4];
o_liner_ref[1] = i_square.line[(5 - i_direction) % 4];
o_liner_ref[2] = i_square.line[(6 - i_direction) % 4];
o_liner_ref[3] = i_square.line[(7 - i_direction) % 4];
return;
}
private const __transMat_sqvertex_ref:Array = new Array(4); // FLARDoublePoint2d[]
private const __transMat_linear_ref:Array = new Array(4); // FLARLinear[]
private const __transMat_trans:FLARDoublePoint3d = new FLARDoublePoint3d();
double arGetTransMat( ARMarkerInfo *marker_info,double center[2], double width, double conv[3][4] )
parameter: i_square
計算対象のFLARSquareオブジェクト
parameter: i_direction
parameter: i_width
@return
@throws FLARException
public function transMat(i_square:FLARSquare, i_direction:int, i_width:Number, o_result_conv:@fileResult):void {
const sqvertex_ref:Array = __transMat_sqvertex_ref;
// FLARDoublePoint2d[]
const linear_ref:Array = __transMat_linear_ref;
// FLARLinear[]
const trans:FLARDoublePoint3d = this.__transMat_trans;
//計算用に頂点情報を初期化（順番調整）
initVertexOrder(i_square, i_direction, sqvertex_ref, linear_ref);
//基準矩形を設定
this._offset.setSquare(i_width, this._center);
// rotationを矩形情報から計算
this._rotmatrix.initRotBySquare(linear_ref, sqvertex_ref);
//平行移動量計算機にオフセット頂点をセット
this._calculator.setOffsetSquare(this._offset);
//平行移動量計算機に適応先矩形の情報をセット
this._calculator.setFittedSquare(sqvertex_ref);
//回転行列の平行移動量の計算
this._calculator.calculateTransfer(this._rotmatrix, trans);
//計算結果の最適化(this._rotmatrix,trans)
this._mat_optimize.optimize(this._rotmatrix, trans, this._calculator);
// マトリクスの保存
o_result_conv.updateMatrixValue(this._rotmatrix, this._offset.point, trans);
return;
}
double arGetTransMatCont( ARMarkerInfo *marker_info, double prev_conv[3][4],double center[2], double width, double conv[3][4] )
parameter: i_square
parameter: i_direction
マーカーの方位を指定する。
parameter: i_width
parameter: io_result_conv
計算履歴を持つ@fileResultオブジェクトを指定する。 履歴を持たない場合は、transMatと同じ処理を行う。
@return
@throws FLARException
public function transMatContinue(i_square:FLARSquare, i_direction:int, i_width:Number, io_result_conv:@fileResult):void {
const sqvertex_ref:Array = __transMat_sqvertex_ref;
// FLARDoublePoint2d[]
const linear_ref:Array = __transMat_linear_ref;
// FLARLinear[]
const trans:FLARDoublePoint3d = this.__transMat_trans;
// io_result_convが初期値なら、transMatで計算する。
if (!io_result_conv.hasValue()) {
this.transMat(i_square, i_direction, i_width, io_result_conv);
return;
}
//基準矩形を設定
this._offset.setSquare(i_width, this._center);
// rotationを矩形情報を一つ前の変換行列で初期化
this._rotmatrix.initRotByPrevResult(io_result_conv);
//平行移動量計算機に、オフセット頂点をセット
this._calculator.setOffsetSquare(this._offset);
//平行移動量計算機に、適応先矩形の情報をセット
this._calculator.setFittedSquare(sqvertex_ref);
//回転行列の平行移動量の計算
this._calculator.calculateTransfer(this._rotmatrix, trans);
//計算結果の最適化(this._rotmatrix,trans)
const err:Number = this._mat_optimize.optimize(this._rotmatrix, trans, this._calculator);
//計算結果を保存
io_result_conv.updateMatrixValue(this._rotmatrix, this._offset.point, trans);
// エラー値が許容範囲でなければTransMatをやり直し
if (err > AR_GET_TRANS_CONT_MAT_MAX_FIT_ERROR) {
// rotationを矩形情報で初期化
this._rotmatrix.initRotBySquare(linear_ref, sqvertex_ref);
//回転行列の平行移動量の計算
this._calculator.calculateTransfer(this._rotmatrix, trans);
//計算結果の最適化(this._rotmatrix,trans)
const err2:Number = this._mat_optimize.optimize(this._rotmatrix, trans, this._calculator);
//エラー値が低かったら値を差換え
if (err2 < err) {
// 良い値が取れたら、差換え
io_result_conv.updateMatrixValue(this._rotmatrix, this._offset.point, trans);
}
}
return;
}
}
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
