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nilrider:: implemented xy_ functions for polar

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This commit is contained in:
Zeno Rogue 2022-05-03 11:53:08 +02:00
parent e227119edb
commit 9d2acb89c6
1 changed files with 6 additions and 0 deletions
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6
rogueviz/nilrider/level.cpp
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@ -245,6 +245,12 @@ void level::init() {
}
xy_float level::get_xy_f(hyperpoint h) {
if(flags & nrlPolar) {
tie(h[0], h[1]) = make_pair(atan2(h[0], h[1]), hypot(h[0], h[1]));
ld bar = (minx + maxx) / 2;
while(h[0] < bar - M_PI) h[0] += 2 * M_PI;
while(h[0] > bar + M_PI) h[0] -= 2 * M_PI;
}
int tY = isize(map_tiles);
int tX = isize(map_tiles[0]);
ld rtx = ilerp(minx, maxx, h[0]) * tX;