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Diffstat (limited to 'lib/rect.coffee')
| -rw-r--r-- | lib/rect.coffee | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/rect.coffee b/lib/rect.coffee index 0c67d287..d4807cc2 100644 --- a/lib/rect.coffee +++ b/lib/rect.coffee @@ -82,5 +82,14 @@ Rect = @create (Math.max rect1.left, rect2.left), (Math.max rect1.top, rect2.top), (Math.min rect1.right, rect2.right), (Math.min rect1.bottom, rect2.bottom) + # Determine whether two rects overlap. + rectsOverlap: do -> + halfOverlapChecker = (rect1, rect2) -> + (rect1.left <= rect2.left <= rect1.right or rect1.left <= rect2.right <= rect1.right) and + (rect1.top <= rect2.top <= rect1.bottom or rect1.top <= rect2.bottom <= rect1.bottom) + + (rect1, rect2) -> + halfOverlapChecker(rect1, rect2) or halfOverlapChecker rect2, rect1 + root = exports ? window root.Rect = Rect |