Cacher is the code snippet organizer for pro developers

// Modified from Original
// Based on: https://youtu.be/IKB1hWWedMk

int cols, rows;
int scl = 30;
int w = 1000;
int h = 1000;
float flying = 0;
float[][] terrain;

void setup() {
  size(800, 800, P3D);
  cols = w / scl;
  rows = h/ scl;
  terrain = new float[cols][rows];
}

void draw() {
  flying -= 0.2;
  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, -300, 300);
      xoff += 0.3;
    }
    yoff += 0.3;
  }

  background(0);
  stroke(255);
  noStroke();
  fill(255,0,0,150);
  translate(width/2, height/2+50);
  rotateX(PI/3);
  translate(-w/2, -h/2);
  for (int y = 0; y < rows-1; y++) {
    beginShape(TRIANGLE_STRIP);
      for (int x = 0; x < cols; x++) {
        vertex(x*scl, y*scl, terrain[x][y]);
        vertex(x*scl, (y+1)*scl, terrain[x][y+1]);
      }
    endShape();
    //frameRate(1);
  }
}