battlesystem: add relative cursor to new menu object

sonic-radiance.love/scenes/battlesystem/controller/menu.lua

@@ -193,12 +193,28 @@ function CharacterMenu:new(scene, name, x, y)
   self.scene = scene
   local w, h = MENU_WIDTH, MENU_ITEM_NUMBER * MENU_ITEM_HEIGHT
   CharacterMenu.super.new(self, scene.menusystem, name, x, y, w, h, MENU_ITEM_NUMBER)
+  self.cursorTexture = love.graphics.newImage("assets/gui/cursor-menulist.png")
+  self.cursorTransition = 1
+end
+
+function CharacterMenu:update(dt)
+  CharacterMenu.super.update(self, dt)
+
+  local relativecursor = self.widget.selected - self.view.firstSlot
+
+  local transition = self.cursorTransition - relativecursor
+
+  if math.abs(transition) < 0.1 then
+    self.cursorTransition = relativecursor
+  else
+    self.cursorTransition = (self.cursorTransition) + ((relativecursor) - (self.cursorTransition)) * dt*45
+  end
+
 end
 
 function CharacterMenu:drawCursor()
-  CharacterMenu.super.drawCursor(self)
+  local addition = 17
-  --local addition = 16
+  love.graphics.draw(self.cursorTexture, self.x + 4, self.y + (self.cursorTransition) * addition )
-  --love.graphics.draw(self.cursorTexture, self.x - 12, self.y + (self.cursorTransition) * addition + 2 )
 end
 
 -- WIDGETS