// Game initialization and update cycle
const WIDTH = 800;
const HEIGHT = 600;
const fps = 60;

// Access game elements by their field names
// Example: let ball = this.getField("field_ball");

// Game state variables
let gameState = {};

function initGame() {
  if (global.initialized) return;
  global.initialized = true;
  
  // Initialize your game here
  
  // Start game loop
  app.setInterval("updateGame()", 1000 / fps);
}

function updateGame() {
  // Update game state here
  
  // Update field positions
}

// Helper functions
function getPositionFromRect(rect) {
  const x = (rect[0] + rect[2]) / 2;
  const y = (rect[1] + rect[3]) / 2;
  return { x, y };
}

function setRectPosition(rect, position, width = 16, height = 16) {
  const newRect = rect.slice();
  newRect[0] = position.x - width / 2;
  newRect[1] = position.y - height / 2;
  newRect[2] = position.x + width / 2;
  newRect[3] = position.y + height / 2;
  return newRect;
}

// Start the game
initGame();