Magic Cube

  private static final float IVY_D = 0.12f;

    MeshBase[] meshes = new MeshBase[6];

    final float angle = (float)Math.PI/(2*IVY_N);

    final float CORR  = 1.0f - IVY_D*SQ2;

    final float DIST  = 0.4f;

    final float CORR2 = 0.5f;

    float[] vertices = new float[2*(IVY_N+1)+6];

    vertices[0] = ( 0.5f      -DIST)*CORR2;

    vertices[1] = (-0.5f+IVY_D-DIST)*CORR2;

    vertices[2] = ( 0.5f      -DIST)*CORR2;

    vertices[3] = ( 0.5f      -DIST)*CORR2;

    vertices[4] = (-0.5f+IVY_D-DIST)*CORR2;

    vertices[5] = ( 0.5f      -DIST)*CORR2;

    for(int i=0; i<=IVY_N; i++)

      {

      float ang = (IVY_N-i)*angle;

      float sin = (float)Math.sin(ang);

      float cos = (float)Math.cos(ang);

      vertices[2*i+6] = (CORR*(cos-0.5f)-DIST)*CORR2;

      vertices[2*i+7] = (CORR*(sin-0.5f)-DIST)*CORR2;

      }

    float[] bands0 = computeBands(+0.02f,18,0.2f,0.5f,5);

    float[] bands1 = computeBands(-0.10f,20,0.2f,0.0f,2);

    meshes[0] = new MeshPolygon(vertices,bands0,0,0);

    meshes[0].setEffectAssociation(0,1,0);

    meshes[1] = meshes[0].copy(true);

    meshes[1].setEffectAssociation(0,2,0);

    meshes[2] = meshes[0].copy(true);

    meshes[2].setEffectAssociation(0,4,0);

    meshes[3] = new MeshPolygon(vertices,bands1,0,0);

    meshes[3].setEffectAssociation(0,8,0);

    meshes[4] = meshes[3].copy(true);

    meshes[4].setEffectAssociation(0,16,0);

    meshes[5] = meshes[3].copy(true);

    meshes[5].setEffectAssociation(0,32,0);

    return new MeshJoined(meshes);

    float DIST=0.1f;

    Static3D axisX  = new Static3D(1,0,0);

    Static3D axisY  = new Static3D(0,1,0);

    Static1D angle1 = new Static1D(+90);

    Static1D angle2 = new Static1D(-90);

    Static3D center = new Static3D(0,0,0);

    Static3D move1  = new Static3D(-DIST,-DIST,0);

    VertexEffect[] effect = new VertexEffect[5];

    effect[0] = new VertexEffectScale(2.0f);

    effect[1] = new VertexEffectMove(move1);

    effect[2] = new VertexEffectScale(new Static3D(1,1,-1));

    effect[3] = new VertexEffectRotate(angle1,axisX,center);

    effect[4] = new VertexEffectRotate(angle2,axisY,center);

    effect[2].setMeshAssociation(54,-1);  // meshes 1,2,4,5

    effect[3].setMeshAssociation(18,-1);  // meshes 1,4

    effect[4].setMeshAssociation(36,-1);  // meshes 2,5

    return effect;

    float DIST = IVY_D-0.5f;

    vertices[1] = new Static3D( DIST,+0.5f,+0.5f);

    vertices[2] = new Static3D(+0.5f, DIST,+0.5f);

    vertices[3] = new Static3D(+0.5f,+0.5f, DIST);