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Revision d2e06841

Added by Leszek Koltunski about 1 year ago

progress with TwistyBandagedMegaminx.

View differences:

src/main/java/org/distorted/objectlib/bandaged/BandagedCubit.java
47 47

  
48 48
    private float mUnscaledX, mUnscaledY, mUnscaledZ;
49 49
    private float[] mPosition;
50
    private float[][] mRotRow;
50 51
    private boolean mIsAttached;
51 52
    private long mMarkedEffectID;
52 53

  
......
90 91
        Static4D q = fact.getQuaternion(i);
91 92
        QuatHelper.rotateVectorByQuat(mTmp,0,0,1,0,q);
92 93
        int index = mObject.computeMapsIndex(mTmp);
94

  
95
        if( index>=mTextureMaps.length )
96
          {
97
          android.util.Log.e("D", "index="+index+" texMapLen="+mTextureMaps.length);
98
          }
99

  
93 100
        maps[i] = mTextureMaps[index];
94 101
        }
95 102

  
......
127 134
      mObject = object;
128 135
      mRoundCorners = roundCorners;
129 136
      mPosition = position;
137
      mRotRow = mObject.getRotRows(mPosition);
130 138
      mIsAttached = true;
131 139
      mMarkedEffectID = -1;
132 140

  
......
165 173
      System.arraycopy(mPosition, 0, tmpPosition,    0, len1);
166 174
      System.arraycopy(position , 0, tmpPosition, len1, len2);
167 175
      mPosition = tmpPosition;
176
      mRotRow = mObject.getRotRows(mPosition);
168 177

  
169 178
      computeMove(mPosition);
170 179
      MeshBase mesh = mObject.createMesh(mPosition,mRoundCorners);
......
256 265
      return mPosition;
257 266
      }
258 267

  
268
///////////////////////////////////////////////////////////////////////////////////////////////////
269

  
270
    public float[][] getRotRow()
271
      {
272
      return mRotRow;
273
      }
274

  
259 275
///////////////////////////////////////////////////////////////////////////////////////////////////
260 276

  
261 277
    public DistortedNode getNode()
src/main/java/org/distorted/objectlib/bandaged/BandagedObject.java
23 23
    private final DistortedScreen mScreen;
24 24
    private final float[][] mFaceAxis;
25 25
    private BandagedCubit[] mCubits;
26
    private final float[][] mRotAxis;
26 27

  
28
    float[][] mCuts;
27 29
    final int[] mSize;
28 30
    final float mDist2D;
29 31

  
......
32 34

  
33 35
///////////////////////////////////////////////////////////////////////////////////////////////////
34 36

  
35
   BandagedObject(DistortedScreen screen, int numRotAxis)
37
   BandagedObject(DistortedScreen screen)
36 38
     {
37 39
     mScreen = screen;
38
     mSize = new int[numRotAxis];
40
     mRotAxis = getRotAxis();
41
     mSize = new int[mRotAxis.length];
39 42
     mDist2D = getDist2D();
40 43
     Static3D[] axis = getFaceAxis();
41 44
     int numAxis = axis.length;
......
45 48

  
46 49
///////////////////////////////////////////////////////////////////////////////////////////////////
47 50

  
51
   abstract float[][] getRotAxis();
48 52
   abstract float getDist2D();
49 53
   abstract int[] getColors();
50 54
   abstract float[][][] getPositions();
......
59 63
   public abstract Static3D[] getFaceAxis();
60 64
   public abstract float getScreenRatio();
61 65

  
66
///////////////////////////////////////////////////////////////////////////////////////////////////
67

  
68
  private float getRotRow(int ax, float d)
69
    {
70
    float[] cuts = mCuts[ax];
71
    int numCuts = cuts.length;
72
    for(int c=0; c<numCuts; c++) if( d<=cuts[c] ) return c;
73
    return numCuts;
74
    }
75

  
76
///////////////////////////////////////////////////////////////////////////////////////////////////
77

  
78
  float[][] getRotRows(float[] pos)
79
    {
80
    int num = pos.length/3;
81
    int numAx = mRotAxis.length;
82
    float[][] ret = new float[num][numAx];
83

  
84
    for(int p=0; p<num; p++)
85
      for(int a=0; a<numAx; a++)
86
        {
87
        float[] ax = mRotAxis[a];
88
        float x = pos[3*p];
89
        float y = pos[3*p+1];
90
        float z = pos[3*p+2];
91
        float d = ax[0]*x + ax[1]*y + ax[2]*z;
92
        ret[p][a] = getRotRow(a,d);
93
        }
94

  
95
    return ret;
96
    }
97

  
62 98
///////////////////////////////////////////////////////////////////////////////////////////////////
63 99

  
64 100
   public void createCubits(Static4D quatT, Static4D quatA, Static3D scale)
......
69 105

  
70 106
     for(float[][] po : pos)
71 107
        for(float[] p : po)
72
           mCubits[c++]=new BandagedCubit(this, p, quatT, quatA, scale, false);
108
          mCubits[c++] = new BandagedCubit(this, p, quatT, quatA, scale, false);
73 109
     }
74 110

  
75 111
///////////////////////////////////////////////////////////////////////////////////////////////////
......
238 274
    float y = point3D[1]*mMax;
239 275
    float z = point3D[2]*mMax;
240 276

  
241
    int minIndex = -1;
242
    float minDist = Float.MAX_VALUE;
277
    int numAxis = mRotAxis.length;
278
    float[] rotRow = new float[numAxis];
279

  
280
    for(int a=0; a<numAxis; a++)
281
      {
282
      float[] ax = mRotAxis[a];
283
      float d = ax[0]*x + ax[1]*y + ax[2]*z;
284
      rotRow[a] = getRotRow(a,d);
285
      }
286

  
287
    int diff = Integer.MAX_VALUE;
288
    int currBest = -1;
243 289

  
244 290
    for(int c=0; c<mNumCubits; c++)
245 291
      if( mCubits[c].isAttached() )
246 292
        {
247
        float[] pos = mCubits[c].getPosition();
248
        int len = pos.length/3;
293
        float[][] cubitRotRow = mCubits[c].getRotRow();
249 294

  
250
        for(int p=0; p<len; p++)
295
        for(float[] row : cubitRotRow)
251 296
          {
252
          float dx = pos[3*p  ]-x;
253
          float dy = pos[3*p+1]-y;
254
          float dz = pos[3*p+2]-z;
255
          float dist = dx*dx + dy*dy + dz*dz;
297
          int currDiff = 0;
298

  
299
          for(int a=0; a<numAxis; a++)
300
            {
301
            float d = rotRow[a]-row[a];
302
            currDiff += d*d;
303
            }
256 304

  
257
          if( dist<minDist )
305
          if( currDiff<diff )
258 306
            {
259
            minDist = dist;
260
            minIndex = c;
307
            diff = currDiff;
308
            currBest = c;
261 309
            }
262 310
          }
263 311
        }
264 312

  
265
    return minIndex;
313
    return currBest;
266 314
    }
267 315

  
268 316
///////////////////////////////////////////////////////////////////////////////////////////////////
src/main/java/org/distorted/objectlib/bandaged/BandagedObjectCuboid.java
22 22

  
23 23
public class BandagedObjectCuboid extends BandagedObject
24 24
{
25
  private float[][] getCuts(int[] numLayers)
26
    {
27
    float[][] ret = new float[3][];
28

  
29
    for(int axis=0; axis<3; axis++)
30
      {
31
      int len = numLayers[axis];
32
      float start = (2-len)*0.5f;
33

  
34
      if( len>=2 )
35
        {
36
        ret[axis] = new float[len-1];
37
        for(int i=0; i<len-1; i++) ret[axis][i] = start+i;
38
        }
39
      }
40

  
41
    return ret;
42
    }
43

  
44
///////////////////////////////////////////////////////////////////////////////////////////////////
45

  
46
  float[][] getRotAxis()
47
    {
48
    return new float[][]
49
      {
50
        {1,0,0},
51
        {0,1,0},
52
        {0,0,1},
53
      };
54
    }
55

  
56
///////////////////////////////////////////////////////////////////////////////////////////////////
57

  
25 58
  float getDist2D()
26 59
     {
27 60
     return 0.5f;
......
62 95

  
63 96
  public BandagedObjectCuboid(DistortedScreen screen)
64 97
     {
65
     super(screen,3);
98
     super(screen);
66 99
     }
67 100

  
68 101
///////////////////////////////////////////////////////////////////////////////////////////////////
......
138 171
        mSize[2] = z;
139 172
        mMax = x>y ? Math.max(x,z) : Math.max(y,z);
140 173
        mNumCubits = ( x<=1 || y<=1 || z<=1 ) ? x*y*z : x*y*z-(x-2)*(y-2)*(z-2);
174
        mCuts = getCuts(mSize);
141 175
        return true;
142 176
        }
143 177

  
src/main/java/org/distorted/objectlib/bandaged/BandagedObjectMegaminx.java
10 10
package org.distorted.objectlib.bandaged;
11 11

  
12 12
import static org.distorted.objectlib.main.TwistyObject.SQ5;
13
import static org.distorted.objectlib.touchcontrol.TouchControlDodecahedron.C2;
13 14
import static org.distorted.objectlib.touchcontrol.TouchControlDodecahedron.COS54;
15
import static org.distorted.objectlib.touchcontrol.TouchControlDodecahedron.LEN;
14 16
import static org.distorted.objectlib.touchcontrol.TouchControlDodecahedron.SIN54;
15 17

  
16 18
import org.distorted.library.main.DistortedScreen;
......
35 37
  private static final int NUM_CENTERS = 12;
36 38
  private static final int NUM_EDGES   = 30;
37 39

  
40
///////////////////////////////////////////////////////////////////////////////////////////////////
41

  
42
  private float[][] getCuts(int[] numLayers)
43
    {
44
    int numL = numLayers[0];
45
    int distL = numL;
46
    boolean megaminx = isMegaminx(numL);
47
    float dist = megaminx ? 0.5f-MEGA_D : 0.5f;
48
    if( (numL%2)==0 ) numL++;
49

  
50
    float[][] ret = new float[6][numL-1];
51
    float D = distL*TouchControlDodecahedron.DIST3D;
52
    float X = 2*D/(2+SIN18);  // height of the 'upper' part of a dodecahedron, i.e. put it on a table,
53
                              // its height is then 2D, it has one 'lower' part of height X, one
54
                              // 'middle' part of height Y and one upper part of height X again.
55
    int num = (numL-1)/2;
56
    float G = X*dist/num;     // height of one Layer
57

  
58
    for(int i=0; i<num; i++)
59
      {
60
      float cut = -D + (i+0.85f)*G;  // 0.85? not fully correct; attempt to make it
61
                                     // easier to rotate the outer layers
62
      int j = 2*num-1-i;
63
      ret[0][i] =  cut;
64
      ret[0][j] = -cut;
65
      ret[1][i] =  cut;
66
      ret[1][j] = -cut;
67
      ret[2][i] =  cut;
68
      ret[2][j] = -cut;
69
      ret[3][i] =  cut;
70
      ret[3][j] = -cut;
71
      ret[4][i] =  cut;
72
      ret[4][j] = -cut;
73
      ret[5][i] =  cut;
74
      ret[5][j] = -cut;
75
      }
76

  
77
    return ret;
78
    }
79

  
38 80
///////////////////////////////////////////////////////////////////////////////////////////////////
39 81
// The pair (distance,angle) defines a point P in R^2 in polar coordinate system. Let V be the vector
40 82
// from the center of the coordinate system to P.
......
167 209

  
168 210
      case 5: float x5_0 = 2.5f*(0.5f-MEGA_D);
169 211
              float x5_1 = 2.5f*(0.5f+MEGA_D);
170
              float x5_2 = 2.5f*(0.5f-MEGA_D)*COS18;
171
              float x5_3 = x5_1 + 2.5f*(0.5f-MEGA_D)*SIN18;
172
              float x5_4 = 2.5f*SIN54 - x5_2;
212
              float x5_2 = x5_0*COS18;
213
              float x5_3 = x5_1 + x5_0*SIN18;
214
              float x5_4 = 2.5f*SIN54/COS54 - x5_2;
173 215
              float d5_0 = len-x5_0*x5_0;
174 216
              float d5_1 = len-x5_1*x5_1;
175 217
              float d5_2 = len-x5_2*x5_2;
......
186 228
    return false;
187 229
    }
188 230

  
231
///////////////////////////////////////////////////////////////////////////////////////////////////
232

  
233
  float[][] getRotAxis()
234
    {
235
    return new float[][]
236
      {
237
         {    C2/LEN, SIN54/LEN,    0      },
238
         {   -C2/LEN, SIN54/LEN,    0      },
239
         { 0        ,    C2/LEN, SIN54/LEN },
240
         { 0        ,   -C2/LEN, SIN54/LEN },
241
         { SIN54/LEN,    0     ,    C2/LEN },
242
         { SIN54/LEN,    0     ,   -C2/LEN }
243
      };
244
    }
245

  
189 246
///////////////////////////////////////////////////////////////////////////////////////////////////
190 247

  
191 248
  float[][][] getPositions()
......
229 286

  
230 287
  public BandagedObjectMegaminx(DistortedScreen screen)
231 288
    {
232
    super(screen,6);
289
    super(screen);
233 290
    }
234 291

  
235 292
///////////////////////////////////////////////////////////////////////////////////////////////////
......
269 326

  
270 327
      mMax = x;
271 328
      mNumCubits = numCubits(x);
329
      mCuts = getCuts(mSize);
272 330
      return true;
273 331
      }
274 332

  
src/main/java/org/distorted/objectlib/bandaged/BandagedObjectPyraminx.java
30 30
    return face>1;
31 31
    }
32 32

  
33
///////////////////////////////////////////////////////////////////////////////////////////////////
34

  
35
  private float[][] getCuts(int[] numLayers)
36
    {
37
    int numL = numLayers[0];
38
    float[][] ret = new float[4][numL-1];
39

  
40
    for(int i=0; i<numL-1; i++)
41
      {
42
      float cut = (1.0f+i-numL/4.0f)*(SQ6/3);
43
      ret[0][i] = cut;
44
      ret[1][i] = cut;
45
      ret[2][i] = cut;
46
      ret[3][i] = cut;
47
      }
48

  
49
    return ret;
50
    }
51

  
52
///////////////////////////////////////////////////////////////////////////////////////////////////
53

  
54
  float[][] getRotAxis()
55
    {
56
    return new float[][]
57
      {
58
        {     0,-SQ3/3,-SQ6/3 },
59
        {     0,-SQ3/3, SQ6/3 },
60
        { SQ6/3, SQ3/3,     0 },
61
        {-SQ6/3, SQ3/3,     0 },
62
      };
63
    }
64

  
33 65
///////////////////////////////////////////////////////////////////////////////////////////////////
34 66

  
35 67
  float getDist2D()
......
72 104

  
73 105
  public BandagedObjectPyraminx(DistortedScreen screen)
74 106
    {
75
    super(screen,4);
107
    super(screen);
76 108
    }
77 109

  
78 110
///////////////////////////////////////////////////////////////////////////////////////////////////
......
112 144
      int numOcta = FactoryBandagedPyraminx.numEntriesInEmptyLattice(x-1);
113 145
      int numTetra= FactoryBandagedPyraminx.numEntriesInEmptyLattice(x);
114 146
      mNumCubits = numOcta + numTetra;
147
      mCuts = getCuts(mSize);
115 148
      return true;
116 149
      }
117 150

  
src/main/java/org/distorted/objectlib/helpers/ObjectSignature.java
93 93
// the signature must contain ceil( 12*(N-1)^2 / 64 ) bytes.
94 94
// a pyraminx of size N has 4 + 6*(N-1)(N-2) places two adjacent cubies can be 'glued' so much less.
95 95

  
96
// Gigaminx has 480 such places (so more if N<=7)
96
// Gigaminx has 540 such places (so more if N<=7)
97 97

  
98 98
  private static int computeNum()
99 99
    {
100 100
    int max = MAX_SUPPORTED_SIZE-1;
101 101
    int ret = (int)(0.99f + (12*max*max)/64.0f);
102
    int giga= (int)(0.99f + (       480)/64.0f);
102
    int giga= (int)(0.99f + (       540)/64.0f);
103 103

  
104 104
    return Math.max(ret,giga);
105 105
    }
......
1038 1038

  
1039 1039
    ArrayList<float[]> mTouch = new ArrayList<>();
1040 1040

  
1041
    int t=0;
1042

  
1043 1041
    for(int i=0; i<numCubits; i++)
1044 1042
      {
1045 1043
      float[] first = getPosition(i,centers,numVariants);
......
1062 1060
          float zc = (tz+oz)/2;
1063 1061

  
1064 1062
          float[] touch = new float[] {xc, yc, zc};
1065

  
1066
          android.util.Log.e("D", "cubit touch: "+t+" : "  +xc+" "+yc+" "+zc );
1067
          t++;
1068

  
1069 1063
          mTouch.add(touch);
1070 1064
          }
1071 1065
        }

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