/**
 * 微信小游戏适配器
 */

// 获取系统信息
const systemInfo = wx.getSystemInfoSync();
const screenWidth = systemInfo.windowWidth;
const screenHeight = systemInfo.windowHeight;
const devicePixelRatio = systemInfo.pixelRatio;

// 创建主Canvas
const canvas = wx.createCanvas();
canvas.width = screenWidth * devicePixelRatio;
canvas.height = screenHeight * devicePixelRatio;

// 设置全局变量
GameGlobal.canvas = canvas;
GameGlobal.screenWidth = screenWidth;
GameGlobal.screenHeight = screenHeight;
GameGlobal.devicePixelRatio = devicePixelRatio;

// Image适配
GameGlobal.Image = function() {
  return wx.createImage();
};

// Audio适配
GameGlobal.Audio = function() {
  return wx.createInnerAudioContext();
};

export default {
  canvas,
  screenWidth,
  screenHeight,
  devicePixelRatio
};