[processing] noise()와 random()의 매 프레임 값

void draw(){
  flying -= 0.1;

  float yoff = flying;
  for(int y = 0; y < rows; y++){
    float xoff = 0;
    for(int x = 0; x < cols; x++){
      terrain[x][y] = map(noise(xoff, yoff), 0, 1, -100, 100);
      xoff += 0.2;
    }
    yoff += 0.2;
  }
...

void draw(){
...
  fill(255, 255);
  textSize(25);
  textAlign(CENTER);
  text("noise(10, 100) => " + noise(10, 100), 300, 60);
  text("random(10, 100) => ", 230, 90);
  text(random(10, 100), 420, 90);
...

      terrain[x][y] = map(noise(xoff, yoff), 0, 1, -100, 100);