// Rose.java - from Gaffer.org

import java.applet.Applet;
import java.awt.Event;

public class Rose extends tinyptc {
   public Rose ()  {_scale = 1.0F;  _xRot = 0.0F;  _yRot = 0.0F;}

   public String convert (double d, int i)
   { StringBuffer sb = new StringBuffer ();
      sb.insert (0, d);
      if (sb.length () > i)  sb.setLength (i);
      for (; sb.length () < i; sb.append ('0'));
      return sb.toString ();
   }

   public void main (int w, int h)
   { int      pxl []   = new int [w * h];
     Render   render   = new Render (pxl, w, h);
     Pipeline pipe = new Pipeline (render);
      pipe.viewport (0.0F, 0.0F, 1.0F, 1.0F);
     Vertex av [] = new Vertex [8];
      av [0] = new Vertex (-1F, -1F, -1F);
      av [1] = new Vertex ( 1F, -1F, -1F);
      av [2] = new Vertex ( 1F,  1F, -1F);
      av [3] = new Vertex (-1F,  1F, -1F);
      av [4] = new Vertex (-1F, -1F,  1F);
      av [5] = new Vertex ( 1F, -1F,  1F);
      av [6] = new Vertex ( 1F,  1F,  1F);
      av [7] = new Vertex (-1F,  1F,  1F);
     int ai [] = new int [8*3];
      ai [0]  = 0;  ai [1]  = 1;  ai [2]  = 1;
      ai [3]  = 2;  ai [4]  = 2;  ai [5]  = 3;
      ai [6]  = 3;  ai [7]  = 0;  ai [8]  = 4;
      ai [9]  = 5;  ai [10] = 5;  ai [11] = 6;
      ai [12] = 6;  ai [13] = 7;  ai [14] = 7;
      ai [15] = 4;  ai [16] = 0;  ai [17] = 4;
      ai [18] = 1;  ai [19] = 5;  ai [20] = 2;
      ai [21] = 6;  ai [22] = 3;  ai [23] = 7;
     Color    black = new Color (0F, 0F, 0F);
     Color    col   = new Color (0.08F, 0.05F, 0.05F);
     WireMesh mesh  = new WireMesh (av, ai, col);
     Timer    timer = new Timer ();
      timer.start ();
     float f0 = 0.0F;
      while (true) {
         for (int k = 0; k < 10; k++) {
            f0 += 0.01F;
           float f1 = f0 + 0.02F * (float)(
              Math.cos ((double)f0 * 0.41D + 0.123D) +
              Math.cos ((double)f0 * 0.51D + 0.234D) +
              Math.cos ((double)f0 * 0.61D + 0.623D) +
              Math.cos ((double)f0 * 0.21D + 0.723D));
           float f2 = 0.5F;
           float f3 = 0.05F * (float)(0.90D + 0.16D * (
              Math.cos ((double)f0 * 0.41D + 0.0123D) +
              Math.cos ((double)f0 * 0.51D + 0.0234D) +
              Math.cos ((double)f0 * 0.61D + 0.0623D) +
              Math.cos ((double)f0 * 0.021D + 1.723D)));
            render.clear (black.pack ());
            pipe.additive (true);
            for (int j1 = 0; j1 < 150; j1++) {
               pipe.identity ();
               pipe.projection (-1F, 1.0F, -1F, 1.0F, 1.0F, 10F);
               pipe.translate  (0.0F, 0.0F, 3F);
               pipe.rotateX (f1 * 0.9F + _xRot);
               pipe.rotateY (f1 * 1.1F + _yRot);
               pipe.rotateZ (f1 * 1.2F);
               pipe.scale (f2 * _scale);
               mesh.draw (pipe);
               f1 -= f3;
               f2 += ((1.2F - 0.5F) / (float)150);
            }
            update (pxl);
         }
         showStatus (convert ((double)10 / timer.delta (), 5) + " fps");
      }
   }

   public boolean mouseDown (Event event, int x, int y)
   {  _x = x;  _y = y;  return true;  }

   public boolean mouseDrag (Event ev, int x, int y)
   { int dx = x - _x;
     int dy = y - _y;
      if (! ev.metaDown ()) {
         _xRot -= (float)dy * 0.01F;
         _yRot -= (float)dx * 0.01F;
      }
      else {
         _scale += (float)dy * 0.001F;
         if (_scale > 1.0F)  _scale = 1.0F;
         if (_scale < 0.6F)  _scale = 0.6F;
      }
      _x = x;  _y = y;  return true;
   }

   int   _x, _y;
   float _xRot, _yRot, _scale;
}