added custom button colors and borderless toggle

button.lua

@@ -1,11 +1,12 @@
 local Object = require "classic"
 local Button = Object:extend()
 
-function Button:new(x, y, r, b)
+function Button:new(x, y, r, b, c)
     self.x = x
     self.y = y
     self.r = r
     self.b = b
+    self.c = c or {1, 1, 1}
     self.press = false
 end
 
@@ -33,6 +34,7 @@ function Button:draw()
     else
         mode = "line"
     end
+    love.graphics.setColor(self.c)
     love.graphics.circle(mode, self.x + self.r, self.y + self.r, self.r)
 end