(function(){
  // 注册雪花形状渲染函数 恢复为原始六角雪花绘制样式
  window.YooneSnowShapeRenderers = window.YooneSnowShapeRenderers || {};
  window.YooneSnowShapeRenderers.flake = function(context, positionX, positionY, baseSize){
    // 将基础尺寸转换为原始函数中的 size 参数 以保持形状大小一致
    const branchSize = baseSize * 3;
    context.save();
    context.translate(positionX, positionY);
    context.fillStyle = 'rgba(255,255,255,0.9)';
    context.strokeStyle = 'rgba(255,255,255,0.9)';
    context.lineWidth = branchSize * 0.15;
    // 循环绘制六个分支 每次旋转 60 度
    for (let branchIndex = 0; branchIndex < 6; branchIndex++) {
      context.rotate(Math.PI / 3);
      context.beginPath();
      context.moveTo(0, 0);
      context.lineTo(0, branchSize);
      context.stroke();
      // 在主分支上绘制三个小分叉 保持与原始实现一致
      context.beginPath();
      context.moveTo(0, branchSize * 0.3);
      context.lineTo(branchSize * 0.3, branchSize * 0.5);
      context.stroke();
      context.beginPath();
      context.moveTo(0, branchSize * 0.5);
      context.lineTo(-branchSize * 0.3, branchSize * 0.7);
      context.stroke();
      context.beginPath();
      context.moveTo(0, branchSize * 0.7);
      context.lineTo(branchSize * 0.3, branchSize * 0.9);
      context.stroke();
    }
    context.restore();
  };
})();