+
−-- Library for miscellaneous utilitiy functions
+
−
+
−-- Check if a gear is inside a box
+
−function gearIsInBox(gear, x, y, w, h)
+
−    gx, gy = GetGearPosition(gear)
+
−    if gx >= x and gy >= y and gx <= x + w and gy <= y + h then
+
−        return true
+
−    end
+
−    return false
+
−end
+
−
+
−-- Check if a gear is inside a circle
+
−function gearIsInCircle(gear, x, y, r, useRadius)
+
−    gx, gy = GetGearPosition(gear)
+
−    if useRadius then
+
−        r = r + GetGearRadius(gear)
+
−    end
+
−    if r ^ 2 >= (x - gx) ^ 2 + (y - gy) ^ 2 then
+
−        return true
+
−    end
+
−    return false
+
−end