class Lathe extends Solid{
  float[][][] bezierSegments;
  float rho=-PI*0.8, t=0;
  int segment=0;
  //-----------
  Lathe(){
    super();
  }
  //-----------
  void parse(String[] strs, int s){
    Vector vector = new Vector();
    
    for(  ; s<strs.length ; s++ ){
      universalPropertiesParse(strs[s]);
      // Bezier
      if( trim(strs[s]).equals("bezier") ){
        float[][] coords = new float[4][2];
        coords[0][0] = int( trim(strs[s+1]).split(",")[0] );
        coords[0][1] = int( trim(strs[s+1]).split(",")[1] );
        coords[1][0] = int( trim(strs[s+2]).split(",")[0] );
        coords[1][1] = int( trim(strs[s+2]).split(",")[1] );
        coords[2][0] = int( trim(strs[s+3]).split(",")[0] );
        coords[2][1] = int( trim(strs[s+3]).split(",")[1] );
        coords[3][0] = int( trim(strs[s+4]).split(",")[0] );
        coords[3][1] = int( trim(strs[s+4]).split(",")[1] );
        vector.add( coords );
      }
      // Line
      if( trim(strs[s]).equals("line") ){
        float[][] coords = new float[4][2];
        coords[0][0] = int( trim(strs[s+1]).split(",")[0] );
        coords[0][1] = int( trim(strs[s+1]).split(",")[1] );
        coords[3][0] = int( trim(strs[s+2]).split(",")[0] );
        coords[3][1] = int( trim(strs[s+2]).split(",")[1] );
        
        coords[1][0] = coords[0][0] + (coords[3][0] - coords[0][0]) / 3;
        coords[1][1] = coords[0][1] + (coords[3][1] - coords[0][1]) / 3;
        coords[2][0] = coords[0][0] + (coords[3][0] - coords[0][0])*2 / 3;
        coords[2][1] = coords[0][1] + (coords[3][1] - coords[0][1])*2 / 3;
        vector.add( coords );
      }
      
      if( trim(strs[s]).equals("}") ) break;
    }
    
    bezierSegments = new float[vector.size()][4][2];
    for(int i=0 ; i<vector.size() ; i++)
      bezierSegments[i] = (float[][]) (vector.elementAt(i) );
    
    //center model
    float yMax=-1000,yMin=1000;
    for( int i=0 ; i<bezierSegments.length ; i++ )
      for( int j=0 ; j<4 ; j++ ){
        yMax = max(yMax,bezierSegments[i][j][1]);
        yMin = min(yMin,bezierSegments[i][j][1]);
      }
  }
  //-----------
  Vector3D getRandomPosition(){
    float x,y,z,bx,by;
    float[][] b = bezierSegments[ (int) random(bezierSegments.length) ];
    float rho = random(0,TWO_PI);
    float t = random(0,1);
    
    bx = bezierPoint(b[0][0], b[1][0], b[2][0], b[3][0], t);
    by = bezierPoint(b[0][1], b[1][1], b[2][1], b[3][1], t);
    x = bx * cos(rho);// + cos(rho)*10*cos(rho*4);
    y = by;
    z = bx * sin(rho);// + sin(rho)*10*cos(rho*4);
    return new Vector3D( x, y, z );
  }
  //-----------
  Vector3D getSequentialPosition(){
    float x,y,z,bx,by;
    float[][] b = bezierSegments[ segment ];
    t += 0.01;
    if(rho>TWO_PI) rho = random(-0.1,0);
    if(t>1){
      segment++;
      t = random(0,0.1);
    }
    if(segment>=bezierSegments.length){
      segment = 0;
      rho += 0.01;
    }
    
    bx = bezierPoint(b[0][0], b[1][0], b[2][0], b[3][0], t);
    by = bezierPoint(b[0][1], b[1][1], b[2][1], b[3][1], t);
    x = bx * cos(rho);// + cos(rho)*10*cos(rho*4);
    y = by;
    z = bx * sin(rho);// + sin(rho)*10*cos(rho*4);
    return new Vector3D( x, y, z );
  }
}