Rotating tiles of a map

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I am creating an offline tiled map in java. I am painting tiles that fit only in the given window size. I also placed a marker on top of my map at some position i.e say x,y.

Now i am trying to rotate the tiles and want to retain the position of the marker too.

I used the below code

void PaintComponent(Graphics g)
{
 Graphics2D g2= =(Graphics2D) g;
 g2.rotate(45);
}

But it is loading tiles randomly with out any alignment. Can anyone please help me on how to rotate tiles.

asked 27 secs ago

user3537469

1