Function _gen_wall_texture

endless-tunnel/app/src/main/cpp/play_scene.cpp:218–228

}

static unsigned char* _gen_wall_texture() {
  static unsigned char pixel_data[WALL_TEXTURE_SIZE * WALL_TEXTURE_SIZE * 3];
  unsigned char* p;
  int x, y;
  for (y = 0, p = pixel_data; y < WALL_TEXTURE_SIZE; y++) {
    for (x = 0; x < WALL_TEXTURE_SIZE; x++, p += 3) {
      p[0] = p[1] = p[2] = 128 + ((x > 2 && y > 2) ? Random(128) : 0);
    }
  }
  return pixel_data;
}

void PlayScene::OnStartGraphics() {
  // build shaders