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Diffstat (limited to 'src/grid-geometry.lisp')
| -rw-r--r-- | src/grid-geometry.lisp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/grid-geometry.lisp b/src/grid-geometry.lisp index 3597e75..f66a41f 100644 --- a/src/grid-geometry.lisp +++ b/src/grid-geometry.lisp @@ -86,8 +86,8 @@ top right corners of the bounding box for POLY " ,interior-clause)))))) (defmacro with-grid-rect ((x y) (left bottom right top) &body body) - `(loop for ,x from ,left to ,right do - (loop for ,y from ,bottom to ,top do ,@body ))) + `(loop for ,x from (floor ,left) to (floor ,right) do + (loop for ,y from (floor ,bottom) to (floor ,top) do ,@body ))) (defmacro with-grid-circle ((x y) (cx cy radius &key interiorp) &body body) |