/*
processing test2 2009.12.12
blog.h2caster.net
*/
  int i = 0;
  int p = 0;
  int[][] locx = new int[20][50];
  int[][] locy = new int[20][50];

void setup()
{
  size(800, 600);
  stroke(10,200,200);
  fill(0,255,255,150);
  for (int p = 0; p < 15; p=p+1) {
     for (int i = 0; i < 42; i=i+1) {
    locx[p][i] = 20*i;
    locy[p][i] = 20*p+150;
     }
  }
}


void draw() 
{
background(0,0,0);

if(mousePressed){
int q = 40;
  for(int p = 0; p < 15; p=p+1){
    locx[p][q] = 20*q;
    locy[p][q] = 20*p+mouseY;
  }
}


for (int p = 0; p < 15; p=p+1) {
  for (int i = 1; i < 41; i=i+1) {
    locy[p][i] = (locy[p][i+1] + locy[p][i])/2;
  }
}

 
for (int p = 0; p < 15; p=p+1) {
     for (int i = 0; i < 41; i=i+1) {
       ellipse(locx[p][i], locy[p][i], 7, 7);
       if(p<=14){
         line(locx[p][i], locy[p][i], locx[p][i+1], locy[p][i+1]);
       }       
       if(p<=13){
         line(locx[p][i], locy[p][i], locx[p+1][i], locy[p+1][i]);
       }
     }
  }
}