ClassTag - Wrj4P5 Wiki - Wrj4P5

Class Tag - the model of 3D-Plane

 * Class Tag, the model of (partial) plane on the 3D space,
  *                      spanned from it's stern and star to it's bow and port
  *                                      created by Classiclll, 7/28/2008
         Tag(Loc s, Loc b, Loc r)        // only constructor you can use, and
         Tag(Tag frm)                    // constructor you can use
         Loc at(float s, float b)        // location at (s,b),
                                         // at(0,0):stern, at(0,me.length):bow, at(me.width,0):star
         Tag move(Loc to)                // move stern to "to"
         Tag shift(Loc diff)             // shift stern by "diff"
         Tag shiftI(Loc diff)            // inverse shift
         Tag scale(float factor)         // scale the size of me by factor
         Tag scaleI(float factor)        // inverse scaling
         Tag rotate(Loc ax, float ang)   // rotate my direction around the axs
         Tag rotate(Rod ax, float ang)   // rotate my direction around the ax
         Tag rotate(Loc dir, float ang)  // rotate me around the directonal vector
         Tag rotate(Rod ax, float ang)   // rotate me around the ax (Rod, model of 3D line)
         Rod intersect(Tag to)           // intersect line with me and to
         Loc intersect(Rod ln)           // intersect point with me and ln
         float angle(Tag to)             // angle between each normal vector, me and to
         float dist(Loc pt)              // distance between "me" and "pt", = length of ortho(pt)
         Rod ortho(Loc pt)               // the orthogonal rod connecting from "pt" to "me"
         boolean having(Loc pt)          // is "me" having "pt" on myself ?
         float length()                  // length of me
         float width()                   // width of me
         Loc stern()                     // location of the stern of me, the base position
         Loc bow()                       // location of the bow of me
         Loc starBoard()         // location of the star of me
         Loc fore()                      // foward direction of me, the unit vector
         Loc star()                      // right direction of me, the unit vector
         Loc normal()                    // upword direction of me, the unit vector
         Rod keel()                      // line model of me's front/end, the Rod
         Boolean equals(Object to)
         String toString()