diff options
| -rw-r--r-- | obj.lua | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -54,6 +54,16 @@ function obj.in_box(x1, y1, x2, y2) end) end +function obj.in_circle(x1, y1, r) + return coroutine.wrap(function() + for o in obj.in_box(x1-r, y1-r, x1+r, y1+r) do + if (x1-o.data.pos[1])^2 + (y1-o.data.pos[2])^2 <= r^2 then + coroutine.yield(o) + end + end + end) +end + function obj.at(x, y) return coroutine.wrap(function() for o in obj.in_box( |