Implement joystick, recognize background inputs

button.lua

@@ -10,10 +10,19 @@ function Button:new(x, y, r, b)
 end
 
 function Button:update(dt)
-    if love.keyboard.isDown(self.b) then
+    if self.b == "triggerleft" or self.b == "triggerright" then
+        local axis = joystick:getGamepadAxis(self.b)
+        if axis > 0.5 then
             self.press = true
-    else
+        else
             self.press = false
+        end
+    else
+        if joystick:isGamepadDown(self.b) then
+            self.press = true
+        else
+            self.press = false
+        end
     end
 end