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29b82486
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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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71f8a172
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Leszek Koltunski
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// Magic Cube is proprietary software licensed under an EULA which you should have received //
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// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
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29b82486
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Leszek Koltunski
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package org.distorted.objectlib.touchcontrol;
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29b82486
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Leszek Koltunski
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import org.distorted.library.type.Static3D;
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57ef6378
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Leszek Koltunski
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import org.distorted.objectlib.main.TwistyObject;
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29b82486
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Tetrahedral objects: map the 2D swipes of user's fingers to 3D rotations
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c9c71c3f
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Leszek Koltunski
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public class TouchControlTetrahedron extends TouchControlShapeConstant
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Leszek Koltunski
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{
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Leszek Koltunski
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private static final float DIST3D = SQ6/12;
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private static final float DIST2D = SQ3/6;
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29b82486
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Leszek Koltunski
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Leszek Koltunski
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public static final float[] D3D = { DIST3D,DIST3D,DIST3D,DIST3D };
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29b82486
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Leszek Koltunski
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public static final Static3D[] FACE_AXIS = new Static3D[]
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{
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new Static3D( 0,+SQ3/3,+SQ6/3),
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new Static3D( 0,+SQ3/3,-SQ6/3),
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new Static3D(-SQ6/3,-SQ3/3, 0),
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new Static3D(+SQ6/3,-SQ3/3, 0),
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////
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57ef6378
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Leszek Koltunski
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public TouchControlTetrahedron(TwistyObject object)
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29b82486
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Leszek Koltunski
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{
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super(object,D3D,FACE_AXIS);
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29b82486
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// corner edge
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// | \ 0 /
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// 2 | 0 \ /
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// / \ 2 | 1
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// / 1 \ |
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int returnPart(int type, int face, float[] touchPoint)
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{
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switch(type)
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{
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case TYPE_NOT_SPLIT : return 0;
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case TYPE_SPLIT_EDGE : float y1 = (face > 1 ? touchPoint[1] : -touchPoint[1]);
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float x1 = touchPoint[0];
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boolean e0 = x1>0;
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boolean e1 = y1>(+SQ3/3)*x1;
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boolean e2 = y1>(-SQ3/3)*x1;
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if( e1 && e2 ) return 0;
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if( !e1 && e0 ) return 1;
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if( !e0 &&!e2 ) return 2;
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case TYPE_SPLIT_CORNER: float y2 = (face > 1 ? touchPoint[1] : -touchPoint[1]);
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float x2 = touchPoint[0];
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boolean c0 = x2>0;
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boolean c1 = y2>(+SQ3/3)*x2;
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boolean c2 = y2>(-SQ3/3)*x2;
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if( c0 && c2 ) return 0;
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if( !c1 &&!c2 ) return 1;
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if( !c0 && c1 ) return 2;
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}
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Jing has nL=2
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a57e6870
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Leszek Koltunski
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public float returnRotationFactor(int[] numLayers, int row)
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29b82486
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Leszek Koltunski
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{
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a57e6870
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int numL = numLayers[0];
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return numL==2 ? 1.0f : ((float)numL)/(numL-row);
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29b82486
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean isInsideFace(int face, float[] p)
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{
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float y = (face > 1 ? p[1] : -p[1]);
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float x = p[0];
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return (y >= -DIST2D) && (y <= DIST2D*(2-6*x)) && (y <= DIST2D*(2+6*x));
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}
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}
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