String gridName = "Waffles";
float rand = 255;
float r = random(256);
float a = 0.0;
float inc = TWO_PI/5.0;
int x = 0;

void setup() {

size(700, 700);
stroke(255, 0, 0);
frameRate(30);
println(" The inc = " + inc);

for (int i=0; i < height; i+=20) {
  fill(0, 255, 0);
  rect(0, i, width, 10);
  fill(160, 10, 200);
  rect(i, 0, 10, height);
}
stroke(200, 100, 50);
for (int b = 5; b < 700; b += 5) {
  if (b < 35) {
    line( 30, r, 700, b );
  } else {
    line( 20, b, 700, r );
  }
}

strokeWeight(7);
stroke(0, 255, 255);
for (int w=0; w< 700; w+=10) {
  line(w, 300, w, 300+sin(a)*200.0);
  println(" The angle = " + a + "The sin = " + sin(a));
  a = a + inc;
}
}

void draw() {

for (int s = 0; s < 700; s += 20) {
  for (int j = 0; j < 700; j += 20) {

    noStroke();
    fill(random(255), random(255), random(255), random(255));
    ellipse( s, j, 10, 10 );
    println(gridName + ", now has a fill value of " + random(255), random(255), random(255));

    if (mousePressed) {
      ellipse(s, j, 30, 30);
    }
  }
}

strokeWeight(1);
stroke(255);
fill(random(255));
rect(mouseX, mouseY, 50, 50, random(255));

if (mousePressed) {
  strokeWeight(1);
  stroke(255);
  fill(random(255), random(255), random(255));
  rect(mouseX, mouseY, 50, 50, random(255));
}

if (x < 500) {
  line(x, 0, x, 100);
  x = x + 3;
} else {
  noLoop();
  exit();
}
      saveFrame("line-####.png");
}