Simple question, I hope. What way ''round are iso maps usually placed?
# # #
# # #
# # #
Method one. (0,0) is at the top-left, (3,3) at the bottom-right.
# - (0,0)
# #
# # # - (3, 0)
# #
# - (3, 3)
Method two.
Method two seems to be the most sensible, but I''m having trouble with it: my map renderer iterates through Y and X and will render the map in the method one style. How do I convert (0,0) in method-one coordinates to the correct coordinate in method-two, which would be (-2, 3), I believe.
I''m wanting to do something like:
for (y = 0; y < m_height; ++y)
for (x = 0; x < m_width; ++x) {
Transform(x, y, &tx, &ty);
if (tile = GetTile(tx, ty))
tile->render(x, y);
}
It looks as though that the articles on coordinate conversions deal with converting screen coordinates to method-one coordinates, whilst I want to convert from method-one to method-two. Unless I''m reading the articles wrong, I don''t think they are of help.
I
demand unsatisfaction!
