unhardcode modes

graph.lua

@@ -46,7 +46,7 @@ end
 function self.render()
   local sw, sh = love.graphics.getDimensions()
 
-  if mode == 1 or mode == 2 then
+  if mode == modes.preview or mode == modes.mix then
     local csize = 10 -- preview point size
     local size = math.min((sw - outerpadding) - ((dropdown.kget('ease2') or dropdown.kget('ease1')).x + dropdownWidth + padding), sh - outerpadding * 2 - padding * 3 - csize)
 
@@ -65,7 +65,7 @@ function self.render()
     end
 
     -- mixease point
-    if mode == 2 and slider.kget('mix') then
+    if mode == modes.mix and slider.kget('mix') then
       love.graphics.setColor(1, 1, 1, 0.2 + self.touchtimer * 0.6)
       love.graphics.line(x + margin + slider.kvalue('mix') * w, y, x + margin + slider.kvalue('mix') * w, y + h)
     end

main.lua

@@ -12,6 +12,12 @@ slider = require 'slider'
 dropdown = require 'dropdown'
 graph = require 'graph'
 
+modes = {
+  preview = 1,
+  mix = 2,
+  create = 3
+}
+
 function createUI()
   dropdown.createDropdowns()
   slider.createSliders()

slider.lua

@@ -38,7 +38,7 @@ function self.createSliders()
   local s = {}
   sliderId = 0
 
-  if mode == 2 then -- mix eases
+  if mode == modes.mix then -- mix eases
     insertSlider(s, {
       x = outerpadding,
       y = outerpadding + fontHeight * 2.5 + padding,
@@ -50,7 +50,7 @@ function self.createSliders()
       displayname = 'Mix'
     })
   end
-  if mode == 1 or mode == 2 then -- bpm slider
+  if mode == modes.preview or mode == modes.mix then -- bpm slider
     insertSlider(s, {
       x = outerpadding,
       y = love.graphics.getHeight() - outerpadding - fontHeight * 3 - padding,