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ee35e63c
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Magic Cube is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objects;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import org.distorted.library.effect.MatrixEffectQuaternion;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshBase;
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import org.distorted.library.mesh.MeshSquare;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import org.distorted.main.RubikSurfaceView;
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import java.util.Random;
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import static org.distorted.effects.scramble.ScrambleEffect.START_AXIS;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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9c2f0c91
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Leszek Koltunski
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public class TwistyHelicopter extends TwistyObject
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ee35e63c
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Leszek Koltunski
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{
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private static final float SQ2 = (float)Math.sqrt(2);
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private static final int FACES_PER_CUBIT =6;
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// the six rotation axis of a Helicopter. Must be normalized.
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static final Static3D[] ROT_AXIS = new Static3D[]
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{
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new Static3D( 0, +SQ2/2, -SQ2/2),
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new Static3D( 0, -SQ2/2, -SQ2/2),
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new Static3D(+SQ2/2, 0, -SQ2/2),
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new Static3D(-SQ2/2, 0, -SQ2/2),
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new Static3D(+SQ2/2, -SQ2/2, 0),
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new Static3D(-SQ2/2, -SQ2/2, 0)
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};
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private static final int[] FACE_COLORS = new int[]
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{
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ece1b58d
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Leszek Koltunski
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COLOR_YELLOW, COLOR_WHITE,
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COLOR_BLUE , COLOR_GREEN,
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COLOR_RED , COLOR_BROWN
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ee35e63c
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Leszek Koltunski
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};
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// All legal rotation quats of a HELICOPTER (same as the Cube!)
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private static final Static4D[] QUATS = new Static4D[]
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{
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new Static4D( 0.00f, 0.00f, 0.00f, 1.00f ),
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new Static4D( 1.00f, 0.00f, 0.00f, 0.00f ),
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new Static4D( 0.00f, 1.00f, 0.00f, 0.00f ),
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new Static4D( 0.00f, 0.00f, 1.00f, 0.00f ),
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new Static4D( SQ2/2, SQ2/2, 0.00f, 0.00f ),
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new Static4D( SQ2/2, -SQ2/2, 0.00f, 0.00f ),
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new Static4D( SQ2/2, 0.00f, SQ2/2, 0.00f ),
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new Static4D( SQ2/2, 0.00f, -SQ2/2, 0.00f ),
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new Static4D( SQ2/2, 0.00f, 0.00f, SQ2/2 ),
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new Static4D( SQ2/2, 0.00f, 0.00f, -SQ2/2 ),
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new Static4D( 0.00f, SQ2/2, SQ2/2, 0.00f ),
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new Static4D( 0.00f, SQ2/2, -SQ2/2, 0.00f ),
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new Static4D( 0.00f, SQ2/2, 0.00f, SQ2/2 ),
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new Static4D( 0.00f, SQ2/2, 0.00f, -SQ2/2 ),
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new Static4D( 0.00f, 0.00f, SQ2/2, SQ2/2 ),
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new Static4D( 0.00f, 0.00f, SQ2/2, -SQ2/2 ),
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new Static4D( 0.50f, 0.50f, 0.50f, 0.50f ),
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new Static4D( 0.50f, 0.50f, 0.50f, -0.50f ),
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new Static4D( 0.50f, 0.50f, -0.50f, 0.50f ),
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new Static4D( 0.50f, 0.50f, -0.50f, -0.50f ),
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new Static4D( 0.50f, -0.50f, 0.50f, 0.50f ),
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new Static4D( 0.50f, -0.50f, 0.50f, -0.50f ),
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new Static4D( 0.50f, -0.50f, -0.50f, 0.50f ),
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new Static4D( 0.50f, -0.50f, -0.50f, -0.50f )
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};
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private static final float DIST_CORNER = 0.50f;
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b0a56742
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Leszek Koltunski
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private static final float DIST_CENTER = 0.50f;
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ee35e63c
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Leszek Koltunski
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private static final float XY_CENTER = DIST_CORNER/3;
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// centers of the 8 corners + 6*4 face triangles ( i.e. of the all 32 cubits)
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private static final Static3D[] CENTERS = new Static3D[]
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{
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new Static3D( DIST_CORNER, DIST_CORNER, DIST_CORNER ),
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new Static3D( DIST_CORNER, DIST_CORNER, -DIST_CORNER ),
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new Static3D( DIST_CORNER, -DIST_CORNER, DIST_CORNER ),
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new Static3D( DIST_CORNER, -DIST_CORNER, -DIST_CORNER ),
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new Static3D( -DIST_CORNER, DIST_CORNER, DIST_CORNER ),
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new Static3D( -DIST_CORNER, DIST_CORNER, -DIST_CORNER ),
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new Static3D( -DIST_CORNER, -DIST_CORNER, DIST_CORNER ),
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new Static3D( -DIST_CORNER, -DIST_CORNER, -DIST_CORNER ),
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new Static3D( DIST_CENTER, XY_CENTER, XY_CENTER ),
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new Static3D( DIST_CENTER, XY_CENTER, -XY_CENTER ),
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new Static3D( DIST_CENTER, -XY_CENTER, XY_CENTER ),
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new Static3D( DIST_CENTER, -XY_CENTER, -XY_CENTER ),
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new Static3D( -DIST_CENTER, XY_CENTER, XY_CENTER ),
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new Static3D( -DIST_CENTER, XY_CENTER, -XY_CENTER ),
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new Static3D( -DIST_CENTER, -XY_CENTER, XY_CENTER ),
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new Static3D( -DIST_CENTER, -XY_CENTER, -XY_CENTER ),
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new Static3D( XY_CENTER , DIST_CENTER, XY_CENTER ),
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new Static3D( XY_CENTER , DIST_CENTER, -XY_CENTER ),
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new Static3D( -XY_CENTER , DIST_CENTER, XY_CENTER ),
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new Static3D( -XY_CENTER , DIST_CENTER, -XY_CENTER ),
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new Static3D( XY_CENTER , -DIST_CENTER, XY_CENTER ),
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new Static3D( XY_CENTER , -DIST_CENTER, -XY_CENTER ),
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new Static3D( -XY_CENTER , -DIST_CENTER, XY_CENTER ),
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new Static3D( -XY_CENTER , -DIST_CENTER, -XY_CENTER ),
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new Static3D( XY_CENTER , XY_CENTER, DIST_CENTER ),
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new Static3D( XY_CENTER , -XY_CENTER, DIST_CENTER ),
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new Static3D( -XY_CENTER , XY_CENTER, DIST_CENTER ),
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new Static3D( -XY_CENTER , -XY_CENTER, DIST_CENTER ),
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new Static3D( XY_CENTER , XY_CENTER, -DIST_CENTER ),
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new Static3D( XY_CENTER , -XY_CENTER, -DIST_CENTER ),
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new Static3D( -XY_CENTER , XY_CENTER, -DIST_CENTER ),
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new Static3D( -XY_CENTER , -XY_CENTER, -DIST_CENTER ),
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};
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// Colors of the faces of cubits. Each cubit has 6 faces
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private static final int[][] mFaceMap = new int[][]
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{
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{ 4,2,0, 6,6,6 },
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20a0214b
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Leszek Koltunski
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{ 0,2,5, 6,6,6 },
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{ 4,0,3, 6,6,6 },
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ee35e63c
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Leszek Koltunski
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{ 5,3,0, 6,6,6 },
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{ 1,2,4, 6,6,6 },
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{ 5,2,1, 6,6,6 },
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{ 4,3,1, 6,6,6 },
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{ 1,3,5, 6,6,6 },
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{ 0 , 6,6,6,6,6 },
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{ 0 , 6,6,6,6,6 },
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{ 0 , 6,6,6,6,6 },
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{ 0 , 6,6,6,6,6 },
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{ 1 , 6,6,6,6,6 },
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{ 1 , 6,6,6,6,6 },
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{ 1 , 6,6,6,6,6 },
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{ 1 , 6,6,6,6,6 },
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{ 2 , 6,6,6,6,6 },
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{ 2 , 6,6,6,6,6 },
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{ 2 , 6,6,6,6,6 },
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{ 2 , 6,6,6,6,6 },
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{ 3 , 6,6,6,6,6 },
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{ 3 , 6,6,6,6,6 },
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{ 3 , 6,6,6,6,6 },
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{ 3 , 6,6,6,6,6 },
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{ 4 , 6,6,6,6,6 },
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{ 4 , 6,6,6,6,6 },
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{ 4 , 6,6,6,6,6 },
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{ 4 , 6,6,6,6,6 },
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{ 5 , 6,6,6,6,6 },
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{ 5 , 6,6,6,6,6 },
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{ 5 , 6,6,6,6,6 },
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{ 5 , 6,6,6,6,6 },
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};
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20a0214b
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Leszek Koltunski
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private static int[] QUAT_INDICES =
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{ 0,13,14,1,12,2,3,7,20,6,13,17,7,23,18,12,22,10,8,16,11,21,19,9,3,15,14,0,5,2,1,4 };
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ee35e63c
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Leszek Koltunski
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private static MeshBase mCornerMesh, mFaceMesh;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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9c2f0c91
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Leszek Koltunski
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TwistyHelicopter(int size, Static4D quat, DistortedTexture texture,
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MeshSquare mesh, DistortedEffects effects, int[][] moves, Resources res, int scrWidth)
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ee35e63c
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Leszek Koltunski
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{
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9c2f0c91
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Leszek Koltunski
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super(size, 60, quat, texture, mesh, effects, moves, ObjectList.HELI, res, scrWidth);
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ee35e63c
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float getScreenRatio()
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{
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7403cdfa
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Leszek Koltunski
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return 1.5f;
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ee35e63c
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static4D[] getQuats()
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{
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return QUATS;
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}
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eaee1ddc
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean shouldResetTextureMaps()
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{
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return false;
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}
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ee35e63c
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumFaces()
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{
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return FACE_COLORS.length;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumStickerTypes()
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{
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return 1;
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}
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7403cdfa
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float getBasicStep()
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{
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return SQ2/2;
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}
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ee35e63c
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumCubitFaces()
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{
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return FACES_PER_CUBIT;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static3D[] getCubitPositions(int size)
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{
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return CENTERS;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MeshBase createCubitMesh(int cubit)
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{
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MeshBase mesh;
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if( cubit<8 )
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{
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ac940e24
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Leszek Koltunski
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if( mCornerMesh==null ) mCornerMesh = CubitFactory.getInstance().createHelicopterCornerMesh();
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ee35e63c
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Leszek Koltunski
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mesh = mCornerMesh.copy(true);
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}
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else
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{
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| 268 |
ac940e24
|
Leszek Koltunski
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if( mFaceMesh==null ) mFaceMesh = CubitFactory.getInstance().createHelicopterFaceMesh();
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ee35e63c
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Leszek Koltunski
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mesh = mFaceMesh.copy(true);
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}
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20a0214b
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Leszek Koltunski
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int index = QUAT_INDICES[cubit];
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| 273 |
ee35e63c
|
Leszek Koltunski
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MatrixEffectQuaternion quat = new MatrixEffectQuaternion( QUATS[index], new Static3D(0,0,0) );
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mesh.apply(quat,0xffffffff,0);
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return mesh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getFaceColor(int cubit, int cubitface, int size)
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{
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return mFaceMap[cubit][cubitface];
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| 284 |
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}
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| 285 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void createFaceTexture(Canvas canvas, Paint paint, int face, int left, int top, int side)
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| 289 |
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{
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| 290 |
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float STROKE = 0.035f*side;
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| 291 |
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float L= left+0.125f*side;
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float H= 0.375f*side;
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float LEN = 0.5f*side;
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paint.setAntiAlias(true);
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paint.setStrokeWidth(STROKE);
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paint.setColor(FACE_COLORS[face]);
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paint.setStyle(Paint.Style.FILL);
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|
| 300 |
|
|
canvas.drawRect(left,top,left+side,top+side,paint);
|
| 301 |
|
|
|
| 302 |
|
|
paint.setColor(INTERIOR_COLOR);
|
| 303 |
|
|
paint.setStyle(Paint.Style.STROKE);
|
| 304 |
|
|
|
| 305 |
|
|
canvas.drawLine( L , H, L+LEN, H , paint);
|
| 306 |
|
|
canvas.drawLine( L , H, L+LEN, H+LEN, paint);
|
| 307 |
|
|
canvas.drawLine( L+LEN, H, L+LEN, H+LEN, paint);
|
| 308 |
|
|
|
| 309 |
|
|
float S1 = 0.125f*side;
|
| 310 |
|
|
float S2 = 0.070f*side;
|
| 311 |
|
|
float X = 0.7f*S2;
|
| 312 |
|
|
|
| 313 |
|
|
float LA = left+0.625f*side;
|
| 314 |
|
|
float RA = left+0.125f*side;
|
| 315 |
|
|
float TA = 0.375f*side;
|
| 316 |
|
|
float BA = 0.875f*side;
|
| 317 |
|
|
|
| 318 |
|
|
canvas.drawArc( LA-S1, TA , LA , TA+S1, 270, 90, false, paint);
|
| 319 |
|
|
canvas.drawArc( RA+X , TA , RA+X+S2, TA+S2, 135,135, false, paint);
|
| 320 |
|
|
canvas.drawArc( LA-S2, BA-X-S2, LA , BA-X , 0,135, false, paint);
|
| 321 |
|
|
}
|
| 322 |
|
|
|
| 323 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 324 |
|
|
|
| 325 |
|
|
float returnMultiplier()
|
| 326 |
|
|
{
|
| 327 |
|
|
return 2.0f;
|
| 328 |
|
|
}
|
| 329 |
|
|
|
| 330 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 331 |
|
|
|
| 332 |
|
|
float[] getRowChances()
|
| 333 |
|
|
{
|
| 334 |
475cbfe7
|
Leszek Koltunski
|
float[] chances = new float[3];
|
| 335 |
ee35e63c
|
Leszek Koltunski
|
|
| 336 |
|
|
chances[0] = 0.5f;
|
| 337 |
|
|
chances[1] = 0.5f;
|
| 338 |
475cbfe7
|
Leszek Koltunski
|
chances[2] = 1.0f;
|
| 339 |
ee35e63c
|
Leszek Koltunski
|
|
| 340 |
|
|
return chances;
|
| 341 |
|
|
}
|
| 342 |
|
|
|
| 343 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 344 |
|
|
// PUBLIC API
|
| 345 |
|
|
|
| 346 |
|
|
public Static3D[] getRotationAxis()
|
| 347 |
|
|
{
|
| 348 |
|
|
return ROT_AXIS;
|
| 349 |
|
|
}
|
| 350 |
|
|
|
| 351 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 352 |
|
|
|
| 353 |
|
|
public int getBasicAngle()
|
| 354 |
|
|
{
|
| 355 |
|
|
return 2;
|
| 356 |
|
|
}
|
| 357 |
|
|
|
| 358 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 359 |
|
|
|
| 360 |
|
|
public int randomizeNewRotAxis(Random rnd, int oldRotAxis)
|
| 361 |
|
|
{
|
| 362 |
|
|
int numAxis = ROTATION_AXIS.length;
|
| 363 |
|
|
|
| 364 |
|
|
if( oldRotAxis == START_AXIS )
|
| 365 |
|
|
{
|
| 366 |
|
|
return rnd.nextInt(numAxis);
|
| 367 |
|
|
}
|
| 368 |
|
|
else
|
| 369 |
|
|
{
|
| 370 |
|
|
int newVector = rnd.nextInt(numAxis-2);
|
| 371 |
|
|
|
| 372 |
|
|
switch(oldRotAxis)
|
| 373 |
|
|
{
|
| 374 |
|
|
case 0:
|
| 375 |
|
|
case 1: return newVector+2;
|
| 376 |
|
|
case 2:
|
| 377 |
|
|
case 3: return (newVector==0 || newVector==1) ? newVector:newVector+2;
|
| 378 |
|
|
default: return newVector;
|
| 379 |
|
|
}
|
| 380 |
|
|
}
|
| 381 |
|
|
}
|
| 382 |
|
|
|
| 383 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 384 |
|
|
|
| 385 |
|
|
public int randomizeNewRow(Random rnd, int oldRotAxis, int oldRow, int newRotAxis)
|
| 386 |
|
|
{
|
| 387 |
|
|
float rowFloat = rnd.nextFloat();
|
| 388 |
|
|
|
| 389 |
|
|
for(int row=0; row<mRowChances.length; row++)
|
| 390 |
|
|
{
|
| 391 |
|
|
if( rowFloat<=mRowChances[row] ) return row;
|
| 392 |
|
|
}
|
| 393 |
|
|
|
| 394 |
|
|
return 0;
|
| 395 |
|
|
}
|
| 396 |
|
|
|
| 397 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 398 |
|
|
// remember about the double cover or unit quaternions!
|
| 399 |
|
|
|
| 400 |
|
|
private int mulQuat(int q1, int q2)
|
| 401 |
|
|
{
|
| 402 |
|
|
Static4D result = RubikSurfaceView.quatMultiply(QUATS[q1],QUATS[q2]);
|
| 403 |
|
|
|
| 404 |
|
|
float rX = result.get0();
|
| 405 |
|
|
float rY = result.get1();
|
| 406 |
|
|
float rZ = result.get2();
|
| 407 |
|
|
float rW = result.get3();
|
| 408 |
|
|
|
| 409 |
|
|
final float MAX_ERROR = 0.1f;
|
| 410 |
|
|
float dX,dY,dZ,dW;
|
| 411 |
|
|
|
| 412 |
|
|
for(int i=0; i<QUATS.length; i++)
|
| 413 |
|
|
{
|
| 414 |
|
|
dX = QUATS[i].get0() - rX;
|
| 415 |
|
|
dY = QUATS[i].get1() - rY;
|
| 416 |
|
|
dZ = QUATS[i].get2() - rZ;
|
| 417 |
|
|
dW = QUATS[i].get3() - rW;
|
| 418 |
|
|
|
| 419 |
|
|
if( dX<MAX_ERROR && dX>-MAX_ERROR &&
|
| 420 |
|
|
dY<MAX_ERROR && dY>-MAX_ERROR &&
|
| 421 |
|
|
dZ<MAX_ERROR && dZ>-MAX_ERROR &&
|
| 422 |
|
|
dW<MAX_ERROR && dW>-MAX_ERROR ) return i;
|
| 423 |
|
|
|
| 424 |
|
|
dX = QUATS[i].get0() + rX;
|
| 425 |
|
|
dY = QUATS[i].get1() + rY;
|
| 426 |
|
|
dZ = QUATS[i].get2() + rZ;
|
| 427 |
|
|
dW = QUATS[i].get3() + rW;
|
| 428 |
|
|
|
| 429 |
|
|
if( dX<MAX_ERROR && dX>-MAX_ERROR &&
|
| 430 |
|
|
dY<MAX_ERROR && dY>-MAX_ERROR &&
|
| 431 |
|
|
dZ<MAX_ERROR && dZ>-MAX_ERROR &&
|
| 432 |
|
|
dW<MAX_ERROR && dW>-MAX_ERROR ) return i;
|
| 433 |
|
|
}
|
| 434 |
|
|
|
| 435 |
|
|
return -1;
|
| 436 |
|
|
}
|
| 437 |
|
|
|
| 438 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 439 |
|
|
// The Helicopter is solved if and only if:
|
| 440 |
|
|
//
|
| 441 |
|
|
// 1) all of its corner cubits are rotated with the same quat
|
| 442 |
|
|
// 2) all its face cubits are rotated with the same quat like the corner ones,
|
| 443 |
|
|
// and optionally they also might be turned by a multiple of 90 degrees along
|
| 444 |
|
|
// a vector perpendicular to the face they lie on.
|
| 445 |
|
|
//
|
| 446 |
|
|
// i.e.
|
| 447 |
|
|
// cubits 8, 9,10,11,12,13,14,15 - might be extra QUAT 1,8,9
|
| 448 |
|
|
// cubits 16,17,18,19,20,21,22,23 - might be extra QUAT 2,12,13
|
| 449 |
|
|
// cubits 24,25,26,27,28,29,30,31 - might be extra QUAT 3,14,15
|
| 450 |
|
|
|
| 451 |
|
|
public boolean isSolved()
|
| 452 |
|
|
{
|
| 453 |
|
|
int q = CUBITS[0].mQuatIndex;
|
| 454 |
|
|
|
| 455 |
|
|
if ( CUBITS[1].mQuatIndex == q &&
|
| 456 |
|
|
CUBITS[2].mQuatIndex == q &&
|
| 457 |
|
|
CUBITS[3].mQuatIndex == q &&
|
| 458 |
|
|
CUBITS[4].mQuatIndex == q &&
|
| 459 |
|
|
CUBITS[5].mQuatIndex == q &&
|
| 460 |
|
|
CUBITS[6].mQuatIndex == q &&
|
| 461 |
|
|
CUBITS[7].mQuatIndex == q )
|
| 462 |
|
|
{
|
| 463 |
|
|
int q1 = mulQuat(q,1);
|
| 464 |
|
|
int q2 = mulQuat(q,8);
|
| 465 |
|
|
int q3 = mulQuat(q,9);
|
| 466 |
|
|
|
| 467 |
|
|
for(int index=8; index<16; index++)
|
| 468 |
|
|
{
|
| 469 |
|
|
int qIndex = CUBITS[index].mQuatIndex;
|
| 470 |
|
|
if( qIndex!=q && qIndex!=q1 && qIndex!=q2 && qIndex!=q3 ) return false;
|
| 471 |
|
|
}
|
| 472 |
|
|
|
| 473 |
|
|
q1 = mulQuat(q, 2);
|
| 474 |
|
|
q2 = mulQuat(q,12);
|
| 475 |
|
|
q3 = mulQuat(q,13);
|
| 476 |
|
|
|
| 477 |
|
|
for(int index=16; index<24; index++)
|
| 478 |
|
|
{
|
| 479 |
|
|
int qIndex = CUBITS[index].mQuatIndex;
|
| 480 |
|
|
if( qIndex!=q && qIndex!=q1 && qIndex!=q2 && qIndex!=q3 ) return false;
|
| 481 |
|
|
}
|
| 482 |
|
|
|
| 483 |
|
|
q1 = mulQuat(q, 3);
|
| 484 |
|
|
q2 = mulQuat(q,14);
|
| 485 |
|
|
q3 = mulQuat(q,15);
|
| 486 |
|
|
|
| 487 |
|
|
for(int index=24; index<32; index++)
|
| 488 |
|
|
{
|
| 489 |
|
|
int qIndex = CUBITS[index].mQuatIndex;
|
| 490 |
|
|
if( qIndex!=q && qIndex!=q1 && qIndex!=q2 && qIndex!=q3 ) return false;
|
| 491 |
|
|
}
|
| 492 |
|
|
|
| 493 |
|
|
return true;
|
| 494 |
|
|
}
|
| 495 |
|
|
|
| 496 |
|
|
return false;
|
| 497 |
|
|
}
|
| 498 |
|
|
|
| 499 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 500 |
|
|
// only needed for solvers - there are no Helicopter solvers ATM)
|
| 501 |
|
|
|
| 502 |
|
|
public String retObjectString()
|
| 503 |
|
|
{
|
| 504 |
|
|
return "";
|
| 505 |
|
|
}
|
| 506 |
|
|
|
| 507 |
|
|
}
|