Avoid 'inexact error'

jheinen · Feb 26, 2024 · aad0fea · aad0fea
1 parent f833a41
commit aad0fea
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/examples/brain.jl b/examples/brain.jl
@@ -32,7 +32,9 @@ function cursor(motion, x, y)
     center = spherical_to_cartesian(-2, pi * y / height + pi/2, pi * x / width)
     up = spherical_to_cartesian(1, pi * y / height + pi, pi * x / width)
   elseif GLFW.GetMouseButton(window, GLFW.MOUSE_BUTTON_2)
-    isolevel = round(Int, 255 * y / height)
+    if y >= 0
+      isolevel = round(Int, 255 * y / height)
+    end
   end
   display()
 end