change mixpoint visual

graph.lua

@@ -3,6 +3,8 @@ local self = {}
 local quality = 256
 local graph = {}
 
+self.touchtimer = 0
+
 function self.update(dt)
   for i = 1, quality do
     local a = (i - 1) / (quality - 1)
@@ -18,6 +20,7 @@ function self.update(dt)
     end
     graph[i] = mix(v, b, math.min(dt * 18, 1))
   end
+  self.touchtimer = mix(self.touchtimer, 0, dt * 2)
 end
 
 function self.render()
@@ -43,8 +46,8 @@ function self.render()
 
     -- mixease point
     if mode == 2 then
-      love.graphics.setColor(1, 1, 1, 0.8)
-      love.graphics.line(x + margin + mixpoint * w, y, x + margin + mixpoint * w, y + h)
+      love.graphics.setColor(1, 1, 1, 0.2 + self.touchtimer * 0.6)
+      love.graphics.line(x + margin + oldmixpoint * w, y, x + margin + oldmixpoint * w, y + h)
     end
 
     -- preview point

main.lua

@@ -94,6 +94,7 @@ function love.draw()
 
     if mx > x and mx < x + w and my > y and my < y + h and love.mouse.isDown(1) and dropdown.openDropdown == 0 then
       mixpoint = (mx - x) / w
+      graph.touchtimer = 1
       dropdown.createDropdowns()
     end
   end