initial commit

utils/utils.rb

@@ -0,0 +1,12 @@
+def intersects?(rect1, rect2)
+  x1, y1, w1, h1 = rect1
+  x2, y2, w2, h2 = rect2
+
+  # No overlap conditions
+  return false if x1 + w1 <= x2   # rect1 is left of rect2
+  return false if x1 >= x2 + w2   # rect1 is right of rect2
+  return false if y1 + h1 <= y2   # rect1 is above rect2
+  return false if y1 >= y2 + h2   # rect1 is below rect2
+
+  true  # overlap exists
+end