Infinite_Random_Terrain_Perlin_Noise_Processing.pde

int cols, rows;
int scale = 20;
int width = 1920;
int height = 1080;

float flying = 0;

float[][] terrain;

void setup() {
  size(600, 600, P3D);
  cols = width / scale;
  rows = height / scale;
  terrain = new float[cols][rows];
}


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;
  }



  background(0);
  stroke(255);
  noFill();

  translate(width/2-150, height/2+50);
  rotateX(PI/3);
  translate(-width/2-150, -height/2);
  for (int y = 0; y < rows-1; y++) {
    beginShape(TRIANGLE_STRIP);
    for (int x = 0; x < cols; x++) {
      vertex(x*scale, y*scale, terrain[x][y]);
      vertex(x*scale, (y+1)*scale, terrain[x][y+1]);
      //rect(x*scale, y*scale, scale, scale);
    }
    endShape();
  }
}