Processing Fly Thingy

void setup()
{
  size(1600,900,P3D);
}
float zoff = 0;
void draw()
{
  strokeWeight(2);
  background(0);
  zoff -= 0.5f;
  noFill();
  translate(0,height/3);
  rotateX(PI/3);
  for(int z=0;z<50;z++)
  {
    stroke(lerpColor(color(255,100,255),color(255,0,255),(float)z/49.0));
    beginShape(TRIANGLE_STRIP);
    for(int x = 0;x<50 + 1;x++)
    {
      vertex(x * width/50,z * height/50,height/4.0 * noise((x) * 0.1, (z + zoff) * 0.1));
      vertex(x * width/50,(z + 1) * height/50,height/4.0 * noise((x) * 0.1, (z + 1 + zoff) * 0.1));
    }
    endShape();
  }
}