split source

inc/intro.lua

@@ -0,0 +1,28 @@
+--------------------------------------------------------------------------------
+-- Intro Module
+--------------------------------------------------------------------------------
+function IntroWindow.draw() 
+  local x = (Config.screen.width - 132) / 2 -- Centered text
+  print(Context.intro.text, x, Context.intro.y, Config.colors.green)
+end
+
+function IntroWindow.update() 
+  Context.intro.y = Context.intro.y - Context.intro.speed
+
+  -- Count lines in intro text to determine when scrolling is done
+  local lines = 1
+  for _ in string.gmatch(Context.intro.text, "\n") do
+    lines = lines + 1
+  end
+
+  -- When text is off-screen, go to menu
+  if Context.intro.y < -lines * 8 then
+    GameWindow.set_state(WINDOW_MENU)
+  end
+
+  -- Skip intro by pressing A
+  if Input.menu_confirm() then
+    GameWindow.set_state(WINDOW_MENU)
+  end
+end
+