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Revision 12313693

Added by Leszek Koltunski almost 4 years ago

Progress with the Kilominx movement (still not working)

View differences:

src/main/java/org/distorted/objects/FactoryCubit.java
45 45
  private static final float SQ5 = (float)Math.sqrt(5);
46 46
  private static final float SQ6 = (float)Math.sqrt(6);
47 47

  
48
  static final float SIN54   = (SQ5+1)/4;                         // sin(54 deg)
49
  static final float COS54   = (float)(Math.sqrt(10-2*SQ5)/4);    // cos(54 deg)
50

  
48 51
  static final float MINX_C0 = (SQ5-1)/4;
49
  static final float MINX_C1 = (SQ5+1)/4;                         // sin(54 deg)
50
  static final float MINX_C3 = (float)(Math.sqrt(10-2*SQ5)/4);    // cos(54 deg)
51 52
  static final float MINX_C4 = (float)(Math.sqrt(0.5f-0.1f*SQ5)); // cos(half the dihedral angle)
52 53
  static final float MINX_C5 = (float)(Math.sqrt(0.5f+0.1f*SQ5)); // sin(half the dihedral angle)
53 54
  static final float MINX_SC = 0.5f;
......
692 693
    float X1= (SQ5+1)/8;
693 694
    float Y1= (float)(Math.sqrt(2+0.4f*SQ5)/4);
694 695
    float Y2= Y1 - (float)(Math.sqrt(10-2*SQ5)/8);
695
    float H = 0.5f*MINX_C1/MINX_C3;
696
    float H = 0.5f* SIN54 /COS54  ;
696 697
    float X2= MINX_SC*H*MINX_C5;
697 698
    float Y3= MINX_SC*H/(2*MINX_C4);
698 699
    float Y4= MINX_SC*H*(1/(2*MINX_C4) - MINX_C4);
......
1221 1222
    {
1222 1223
    VertexEffect[] effect = new VertexEffect[10];
1223 1224

  
1224
    float H = 0.5f*(MINX_C1/MINX_C3);
1225
    float H = 0.5f*(SIN54 /COS54  );
1225 1226
    float Y1= (float)(Math.sqrt(2+0.4f*SQ5)/4);
1226 1227
    float Y2= H/(2*MINX_C4);
1227 1228
    float A = (float)(Math.acos(-SQ5/5)*180/Math.PI);  // dihedral angle of a dedecahedron in degrees
......
1631 1632
    VertexEffect[] effects = createVertexEffectsMinxCorner();
1632 1633
    for( VertexEffect effect : effects ) mesh.apply(effect);
1633 1634

  
1634
    float A = (2*SQ3/3)*MINX_C1;
1635
    float A = (2*SQ3/3)* SIN54;
1635 1636
    float B = 0.4f;
1636
    float X = MINX_C5*MINX_C1*MINX_C3;
1637
    float Y = MINX_C1*MINX_C1 - 0.5f;
1638
    float Z = MINX_C4*MINX_C1*MINX_C3;
1637
    float X = MINX_C5* SIN54 *COS54  ;
1638
    float Y = SIN54 * SIN54 - 0.5f;
1639
    float Z = MINX_C4* SIN54 *COS54  ;
1639 1640

  
1640 1641
    Static3D center = new Static3D(0.0f, -(float)Math.sqrt(1-A*A)*B,-A*B);
1641 1642

  
src/main/java/org/distorted/objects/Movement.java
27 27

  
28 28
public abstract class Movement
29 29
  {
30
  static final float SQ2 = (float)Math.sqrt(2);
31 30
  static final float SQ3 = (float)Math.sqrt(3);
32 31
  static final float SQ6 = (float)Math.sqrt(6);
33 32

  
34
  private int mLastTouchedFace, mNumFaceAxis;
35
  private float[] mPoint, mCamera, mTouch;
36
  private float[] mPoint2D, mMove2D;
33
  private final int mNumFaceAxis;
34
  private final float[] mPoint, mCamera, mTouch;
35
  private final float[] mPoint2D, mMove2D;
36
  private final int[] mEnabledRotAxis;
37
  private final float mDistanceCenterFace3D, mDistanceCenterFace2D;
38
  private final Static3D[] mFaceAxis;
39

  
40
  private int mLastTouchedFace;
37 41
  private float[][][] mCastedRotAxis;
38 42
  private Static4D[][] mCastedRotAxis4D;
39
  private int[] mEnabledRotAxis;
40
  private float mDistanceCenterFace3D, mDistanceCenterFace2D;
41
  private Static3D[] mFaceAxis;
42 43

  
43 44
///////////////////////////////////////////////////////////////////////////////////////////////////
44 45

  
src/main/java/org/distorted/objects/MovementMinx.java
20 20
package org.distorted.objects;
21 21

  
22 22
import org.distorted.library.type.Static3D;
23
import static org.distorted.objects.TwistyMinx.C1;
24
import static org.distorted.objects.TwistyMinx.C2;
25
import static org.distorted.objects.TwistyMinx.LEN;
26
import static org.distorted.objects.FactoryCubit.SIN54;
27
import static org.distorted.objects.FactoryCubit.COS54;
28
import static org.distorted.objects.TwistyObject.SQ5;
23 29

  
24 30
///////////////////////////////////////////////////////////////////////////////////////////////////
25 31

  
26 32
class MovementMinx extends Movement
27 33
{
28
  static final float DIST3D = 0.25f;
29
  static final float DIST2D = 0.25f;
34
  static final float DIST3D = (float)Math.sqrt(0.625f+0.275f*SQ5)/3;
35
  static final float DIST2D = (0.5f*SIN54/COS54)/3;
30 36

  
31 37
  static final Static3D[] FACE_AXIS = new Static3D[]
32 38
         {
33
           new Static3D(1,0,0), new Static3D(-1,0,0),
34
           new Static3D(0,1,0), new Static3D(0,-1,0),
35
           new Static3D(0,0,1), new Static3D(0,0,-1)
39
           new Static3D( C2/LEN, C1/LEN, 0      ),
40
           new Static3D( C2/LEN,-C1/LEN, 0      ),
41
           new Static3D(-C2/LEN, C1/LEN, 0      ),
42
           new Static3D(-C2/LEN,-C1/LEN, 0      ),
43
           new Static3D( 0     , C2/LEN, C1/LEN ),
44
           new Static3D( 0     , C2/LEN,-C1/LEN ),
45
           new Static3D( 0     ,-C2/LEN, C1/LEN ),
46
           new Static3D( 0     ,-C2/LEN,-C1/LEN ),
47
           new Static3D( C1/LEN, 0     , C2/LEN ),
48
           new Static3D( C1/LEN, 0     ,-C2/LEN ),
49
           new Static3D(-C1/LEN, 0     , C2/LEN ),
50
           new Static3D(-C1/LEN, 0     ,-C2/LEN )
36 51
         };
37 52

  
38 53
///////////////////////////////////////////////////////////////////////////////////////////////////
......
46 61

  
47 62
  int computeRowFromOffset(int face, int size, float offset)
48 63
    {
49
    return offset<DIST2D ? 0:1;
64
    return offset<DIST2D ? 0:2;
50 65
    }
51 66

  
52 67
///////////////////////////////////////////////////////////////////////////////////////////////////
......
57 72
    }
58 73

  
59 74
///////////////////////////////////////////////////////////////////////////////////////////////////
60
// faces 0,1,2,3  --> /
61
// faces 4,5      --> \
62

  
63
  private boolean isTopHalf(int face, float[] touchPoint)
64
    {
65
    if( face==4 || face==5 ) return touchPoint[1] >=-touchPoint[0];
66
    else                     return touchPoint[1] >= touchPoint[0];
67
    }
68

  
69
///////////////////////////////////////////////////////////////////////////////////////////////////
75
// TODO; approximation
70 76

  
71 77
  boolean isInsideFace(int face, float[] p)
72 78
    {
73
    return ( p[0]<=DIST2D && p[0]>=-DIST2D && p[1]<=DIST2D && p[1]>=-DIST2D );
79
    return ( p[0]*p[0] + p[1]*p[1] <= 1/(4*COS54*COS54) );
74 80
    }
75 81

  
76 82
///////////////////////////////////////////////////////////////////////////////////////////////////
77
// 0 +++
78
// 1 ++-
79
// 2 +-+
80
// 3 +--
81 83

  
82 84
  void computeEnabledAxis(int face, float[] touchPoint, int[] enabled)
83 85
    {
84
    enabled[0] = 1;
85

  
86
    boolean isTop = isTopHalf(face,touchPoint);
86
    enabled[0] = 5;
87 87

  
88 88
    switch(face)
89 89
      {
90
      case 0: enabled[1] = isTop ? 0:3; break;
91
      case 1: enabled[1] = isTop ? 2:1; break;
92
      case 2: enabled[1] = isTop ? 2:0; break;
93
      case 3: enabled[1] = isTop ? 1:3; break;
94
      case 4: enabled[1] = isTop ? 0:1; break;
95
      case 5: enabled[1] = isTop ? 2:3; break;
90
      case  0:
91
      case  3:  enabled[1]=1; enabled[2]=2; enabled[3]=3; enabled[4]=4; enabled[5]=5; break;
92
      case  1:
93
      case  2:  enabled[1]=0; enabled[2]=2; enabled[3]=3; enabled[4]=4; enabled[5]=5; break;
94
      case  4:
95
      case  7:  enabled[1]=0; enabled[2]=1; enabled[3]=3; enabled[4]=4; enabled[5]=5; break;
96
      case  5:
97
      case  6:  enabled[1]=0; enabled[2]=1; enabled[3]=2; enabled[4]=4; enabled[5]=5; break;
98
      case  8:
99
      case 11:  enabled[1]=0; enabled[2]=1; enabled[3]=2; enabled[4]=3; enabled[5]=5; break;
100
      case  9:
101
      case 10:  enabled[1]=0; enabled[2]=1; enabled[3]=2; enabled[4]=3; enabled[5]=4; break;
96 102
      }
97 103
    }
98 104
}

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