/// <summary>
/// 移动地图
/// </summary>
/// <param name="offset">屏幕像素单位</param>
public void MoveMap(Vector2 offset)
{
//相机位置
Vector3 vector = new Vector3(offset.x, 0, offset.y);
Vector3 worldOffset = transform.TransformPoint(vector * MapFunction.GetCameraMoveScale(mMapZoomLevel));
mMapCamera.transform.position -= worldOffset;
//判断移动是否超出范围
Vector3 nextCameraPos = mMapCamera.transform.position;
Vector3 leftDownWorldPos = ScreenToWorldPoint(new Vector3(0, 0));
Vector3 rightUpWorldPos = ScreenToWorldPoint(new Vector3(Screen.width, Screen.height));
if (leftDownWorldPos.x < mWorldPosRange.x)
{
nextCameraPos.x += mWorldPosRange.x - leftDownWorldPos.x;
}
else if (mWorldPosRange.width < rightUpWorldPos.x)
{
nextCameraPos.x += mWorldPosRange.width - rightUpWorldPos.x;
}
if (leftDownWorldPos.z < mWorldPosRange.y)
{
nextCameraPos.z += mWorldPosRange.y - leftDownWorldPos.z;
}
else if (mWorldPosRange.height < rightUpWorldPos.z)
{
nextCameraPos.z += mWorldPosRange.height - rightUpWorldPos.z;
}
mMapCamera.transform.position = nextCameraPos;
//计算中心经纬度
mCenterLngLat = WorldPos2LngLat(mMapCamera.transform.position);
}
/// <summary>
/// 当前地图的缩放比例
/// </summary>
/// <returns></returns>
public float GetMapScale()
{
return(MapFunction.GetCameraMoveScale(mMapZoomLevel));
}