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5caf2641
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2022 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 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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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objectlib.touchcontrol;
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99320a69
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Leszek Koltunski
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import static org.distorted.objectlib.main.TwistyObject.SQ2;
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5caf2641
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Leszek Koltunski
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import static org.distorted.objectlib.main.TwistyObject.SQ5;
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import org.distorted.library.type.Static3D;
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import org.distorted.objectlib.main.TwistyObject;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Icosahedral objects: map the 2D swipes of user's fingers to 3D rotations
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public class TouchControlIcosahedron extends TouchControlShapeConstant
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{
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99320a69
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Leszek Koltunski
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public static final float DIST3D = (3+SQ5)*SQ3/12;
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5caf2641
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Leszek Koltunski
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private static final float DIST2D = SQ3/6;
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public static final float[] D3D = { DIST3D,DIST3D,DIST3D,DIST3D,DIST3D,
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DIST3D,DIST3D,DIST3D,DIST3D,DIST3D,
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DIST3D,DIST3D,DIST3D,DIST3D,DIST3D,
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DIST3D,DIST3D,DIST3D,DIST3D,DIST3D };
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a8efe86f
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Leszek Koltunski
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// topmost vertex (0,A,0) and 3 vertices from the second-topmost-layer, front one and two ones
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// to the right: (0,B,C) , (D,B,E) , (F,B,H)
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99320a69
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Leszek Koltunski
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private static final float Z = (float)Math.sqrt(5+SQ5);
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private static final float A = Z*(SQ2/4);
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private static final float B = Z*(SQ2*SQ5/20);
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private static final float C = Z*(SQ2*SQ5/10);
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d54d1f8a
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Leszek Koltunski
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private static final float D = (SQ5+1)/4;
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private static final float E = Z*(SQ5-1)/(4*SQ2*SQ5);
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99320a69
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Leszek Koltunski
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private static final float F = 0.5f;
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private static final float H =-Z*(SQ5+1)/(4*SQ2*SQ5);
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private static final float X1 = D/3;
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private static final float X2 = (D+F)/3;
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private static final float X3 = (2*D+F)/3;
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716f5517
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Leszek Koltunski
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private static final float X4 = (D+F)/3;
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99320a69
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Leszek Koltunski
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private static final float Y1 = (A+2*B)/3;
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private static final float Y2 = B/3;
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private static final float Z1 = (C+E)/3;
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private static final float Z2 = (E+H)/3;
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private static final float Z3 = 2*H/3;
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private static final float Z4 = (C-2*H)/3;
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private static final float Z5 = -H/3;
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private static final float Z6 = (H-C-E)/3;
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5caf2641
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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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509b223f
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Leszek Koltunski
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new Static3D( X1/DIST3D, Y1/DIST3D, Z1/DIST3D ),
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new Static3D( X2/DIST3D, Y1/DIST3D, Z2/DIST3D ),
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new Static3D( 0.0f/DIST3D, Y1/DIST3D, Z3/DIST3D ),
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new Static3D( -X2/DIST3D, Y1/DIST3D, Z2/DIST3D ),
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new Static3D( -X1/DIST3D, Y1/DIST3D, Z1/DIST3D ),
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new Static3D( 0.0f/DIST3D,-Y2/DIST3D, Z4/DIST3D ),
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new Static3D( X3/DIST3D,-Y2/DIST3D, Z5/DIST3D ),
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new Static3D( X4/DIST3D,-Y2/DIST3D, Z6/DIST3D ),
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new Static3D( -X4/DIST3D,-Y2/DIST3D, Z6/DIST3D ),
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new Static3D( -X3/DIST3D,-Y2/DIST3D, Z5/DIST3D ),
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new Static3D( 0.0f/DIST3D, Y2/DIST3D,-Z4/DIST3D ),
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new Static3D( -X3/DIST3D, Y2/DIST3D,-Z5/DIST3D ),
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new Static3D( -X4/DIST3D, Y2/DIST3D,-Z6/DIST3D ),
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new Static3D( X4/DIST3D, Y2/DIST3D,-Z6/DIST3D ),
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new Static3D( X3/DIST3D, Y2/DIST3D,-Z5/DIST3D ),
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new Static3D( -X1/DIST3D,-Y1/DIST3D,-Z1/DIST3D ),
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new Static3D( -X2/DIST3D,-Y1/DIST3D,-Z2/DIST3D ),
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new Static3D( 0.0f/DIST3D,-Y1/DIST3D,-Z3/DIST3D ),
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new Static3D( X2/DIST3D,-Y1/DIST3D,-Z2/DIST3D ),
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new Static3D( X1/DIST3D,-Y1/DIST3D,-Z1/DIST3D ),
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5caf2641
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Leszek Koltunski
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public TouchControlIcosahedron(TwistyObject object)
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{
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super(object,D3D,FACE_AXIS);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public float returnRotationFactor(int[] numLayers, int row)
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{
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return 1.0f;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean isFaceInverted(int face)
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{
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return face<10;
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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 = (isFaceInverted(face) ? touchPoint[1] : -touchPoint[1]);
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float x1 = touchPoint[0];
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boolean e0 = x1>0;
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99320a69
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Leszek Koltunski
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boolean e1 = y1>( SQ3/3)*x1;
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5caf2641
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Leszek Koltunski
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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 = (isFaceInverted(face) ? touchPoint[1] : -touchPoint[1]);
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float x2 = touchPoint[0];
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boolean c0 = x2>0;
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99320a69
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Leszek Koltunski
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boolean c1 = y2>( SQ3/3)*x2;
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5caf2641
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Leszek Koltunski
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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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boolean isInsideFace(int face, float[] p)
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{
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float y = (isFaceInverted(face) ? 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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