//百度坐标转墨卡托
public static PointF LatLng2Mercator(LatLngPoint p)
{
double[] arr = null;
double n_lat = p.Lat > 74 ? 74 : p.Lat;
n_lat = n_lat < -74 ? -74 : n_lat;
for (var i = 0; i < array1.Length; i++)
{
if (p.Lat >= array1[i])
{
arr = array2[i];
break;
}
}
if (arr == null)
{
for (var i = array1.Length - 1; i >= 0; i--)
{
if (p.Lat <= -array1[i])
{
arr = array2[i];
break;
}
}
}
double[] res = Convertor(p.Lng, p.Lat, arr);
return(new PointF((float)res[0], (float)res[1]));
}
private void Start()
{
image = new GameObject().AddComponent <RawImage>();
container.parent.GetComponent <DragImage>().RegisterDragEvent(UpdateTileOffectOfMove);
latLngPoint = new LatLngPoint(0, 0);
r_L = row_L;
r_R = row_R;
c_T = col_T;
c_B = col_B;
LoadTileShell();
InitMap();
}
void SetTileYPos(int x, int y, int i, MoveState_T state)
{
int xV = 0;
int yV = 0;
float hight = 0;
int rem = 0;
int div = 0;
float xPos = 0;
float yPos = 0;
yV = y + i;
if (yV >= levelOffect[level].indexB && yV <= levelOffect[level].indexT)
{
RawImage img = null;
for (int j = row_L; j <= row_R; j++)
{
xV = x + j;
rem = xV % mul;
div = Mathf.Abs(xV / mul);
if (xV < levelOffect[level].indexL)
{
if (rem < levelOffect[level].indexL)
{
xPos = (2 * size - levelOffect[level].widthL - levelOffect[level].widthR) * (div + 1);
xV = rem + mul;
}
else
{
xPos = (2 * size - levelOffect[level].widthL - levelOffect[level].widthR) * div;
xV = rem;
}
}
else if (xV > levelOffect[level].indexR)
{
if (rem > levelOffect[level].indexR)
{
xPos = (levelOffect[level].widthL + levelOffect[level].widthR - 2 * size) * (div + 1);
xV = rem - mul;
}
else
{
xPos = (levelOffect[level].widthL + levelOffect[level].widthR - 2 * size) * div;
xV = rem;
}
}
else
{
xPos = 0;
yPos = 0;
}
hight = size * j;
if (state == MoveState_T.buttom)
{
img = container.Find(j + "_" + col_T).GetComponent <RawImage>();
img.rectTransform.anchoredPosition = new Vector2(hight, -size) + new Vector2(xPos, yPos) + lastVect_B;
}
else if (state == MoveState_T.top)
{
img = container.Find(j + "_" + col_B).GetComponent <RawImage>();
img.rectTransform.anchoredPosition = new Vector2(hight, size) + new Vector2(xPos, yPos) + lastVect_T;
}
img.name = j + "_" + i;
img.texture = null;
if (!texture_rawDic.ContainsKey(img.transform.GetChild(0).name))
{
texture_rawDic.Add(img.transform.GetChild(0).name, j + "_" + i);
}
else
{
rawDic.Remove(texture_rawDic[img.transform.GetChild(0).name]);
}
rawDic.Add(j + "_" + i, new RawImageV(img, "http://online1.map.bdimg.com/onlinelabel/?qt=tile" + $"&x={xV}&y={yV}&z={level}"));
}
if (state == MoveState_T.buttom)
{
lastVect_B = new Vector2(0, img.rectTransform.anchoredPosition.y);
col_B--;
col_T--;
lastVect_T = new Vector2(0, container.Find(row_L + "_" + col_T).GetComponent <RectTransform>().anchoredPosition.y);
centerY--;
}
else if (state == MoveState_T.top)
{
lastVect_T = new Vector2(0, img.rectTransform.anchoredPosition.y);
col_T++;
col_B++;
lastVect_B = new Vector2(0, container.Find(row_L + "_" + col_B).GetComponent <RectTransform>().anchoredPosition.y);
centerY++;
}
}
else
{
Debug.Log("超出矩形限制范围");
}
latLngPoint = BDMapTool.Tile2LngLat(centerX, centerY, level);
lon = (float)latLngPoint.Lng;
lat = (float)latLngPoint.Lat;
}
void SetTileXPos(int x, int y, int i, MoveState_L state)
{
int xV = 0;
int yV = 0;
int rem = 0;
int div = 0;
float xPos = 0;
float yPos = 0;
float hight = 0;
xV = x + i;
rem = xV % mul;
div = xV / mul;
float rectX = 0;
if (state == MoveState_L.left)
{
if (xV == levelOffect[level].indexR + mul * div)
{
xPos = (size / 2 - levelOffect[level].widthL) + (size / 2 - levelOffect[level].widthR) + size;
}
else if (xV == levelOffect[level].indexL + mul * div - 1)
{
rectX = size - levelOffect[level].widthR;
xPos = (size / 2 - levelOffect[level].widthL) + (size / 2 - levelOffect[level].widthR) + size;
}
else if (xV == levelOffect[level].indexL + mul * div)
{
rectX = size - levelOffect[level].widthL;
}
centerX--;
}
else if (state == MoveState_L.right)
{
if (xV == levelOffect[level].indexL + mul * div)
{
xPos = -((size / 2 - levelOffect[level].widthL) + (size / 2 - levelOffect[level].widthR) + size);
}
else if (xV == levelOffect[level].indexR + mul * div + 1)
{
xPos = -((size / 2 - levelOffect[level].widthL) + (size / 2 - levelOffect[level].widthR) + size);
rectX = size - levelOffect[level].widthL;
}
else if (xV == levelOffect[level].indexR + mul * div)
{
rectX = size - levelOffect[level].widthR;
}
centerX++;
}
if (xV < levelOffect[level].indexL)
{
if (rem < levelOffect[level].indexL)
{
xV = rem + mul;
}
else
{
xV = rem;
}
}
else if (xV > levelOffect[level].indexR)
{
if (rem > levelOffect[level].indexR)
{
xV = rem - mul;
}
else
{
xV = rem;
}
}
RawImage img = null;
for (int j = col_B; j <= col_T; j++)
{
yV = y + j;
hight = size * j;
if (state == MoveState_L.left)
{
img = container.Find(row_R + "_" + j).GetComponent <RawImage>();
img.rectTransform.anchoredPosition = new Vector2(-size, hight) + new Vector2(xPos, yPos) + lastVect_L;
}
else if (state == MoveState_L.right)
{
img = container.Find(row_L + "_" + j).GetComponent <RawImage>();
img.rectTransform.anchoredPosition = new Vector2(size, hight) + new Vector2(xPos, yPos) + lastVect_R;
}
img.name = i + "_" + j;
img.texture = null;
if (!texture_rawDic.ContainsKey(img.transform.GetChild(0).name))
{
texture_rawDic.Add(img.transform.GetChild(0).name, i + "_" + j);
}
else
{
rawDic.Remove(texture_rawDic[img.transform.GetChild(0).name]);
}
rawDic.Add(i + "_" + j, new RawImageV(img, "http://online1.map.bdimg.com/onlinelabel/?qt=tile" + $"&x={xV}&y={yV}&z={level}"));
}
if (state == MoveState_L.left)
{
lastVect_L = new Vector2(img.rectTransform.anchoredPosition.x, 0);
row_L--;
row_R--;
lastVect_R = new Vector2(container.Find(row_R + "_" + col_B).GetComponent <RectTransform>().anchoredPosition.x, 0);
if (lastVect_L.x + pposX + rectX - size / 2 - rect.x > 0)
{
SetTileXPos(x, y, row_L - 1, state);
}
}
else if (state == MoveState_L.right)
{
lastVect_R = new Vector2(img.rectTransform.anchoredPosition.x, 0);
row_R++;
row_L++;
lastVect_L = new Vector2(container.Find(row_L + "_" + col_B).GetComponent <RectTransform>().anchoredPosition.x, 0);
if (lastVect_R.x + pposX - rectX + size / 2 < rect.width)
{
SetTileXPos(x, y, row_R + 1, state);
}
}
latLngPoint = BDMapTool.Tile2LngLat(centerX, centerY, level);
lon = (float)latLngPoint.Lng;
lat = (float)latLngPoint.Lat;
}