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Scrolling

Started by Dany May 18, 2003 at 11:55 AM 1 replies 850+ views

Original Post

May 18, 2003 at 11:55 AM

I use this code but the scrolling effect dont look fine any ideas???I realy need to make it work , so help me please

void MapEngine::Draw(int mapdraw_x,int mapdraw_y) { int i,j,mapx,mapy,map_xoff,map_yoff; mapx = mapdraw_x/64; //mapdraw_x,_y -from where to to start mapy = mapdraw_y/32; map_xoff = mapdraw_x & 63; map_yoff = mapdraw_y & 31; for(i=0;i<42;i++) for(j=0;j<20;j++) { int x,y; if((mapy+i)%2==0) x=j*64; else x=j*64+32; y=i*16; RenderTileID(Level[mapy+i][mapx+j].TileID,x-map_xoff,y-map_yoff); } }

Bagpuss

May 18, 2003 at 2:25 PM

What does your map do ?

and it would be slightly quicker to move the definition of x and y outside the loop, else you are making 2 declarations per loop, and wasting processor time.

And if you put the tags [_source_] and [/_source_] (without the underscores about your code, it will put it in a scrolling window.

Bp.

Dany

May 18, 2003 at 3:36 PM

It is a diamond iso map.When I scroll it in the y direction it scroll good and in the next moment it''s like the screen resets and the first row disapear.I think it''s because the tiles are isometric and not squares or rectangles (i wouldn''t have this problem).Help!

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