examples/mnit_simple/src/simple.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2012-2013 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Very simple application
  18 module simple is
  19         app_name("mnit Simple example") # On Android, this name is hidden by the value in `res/values/strings.xml`
  20         app_version(0, 2, git_revision)
  21 end
  22
  23 import mnit
  24
  25 redef class App
  26
  27         var img : nullable I = null
  28
  29         redef fun window_created
  30         do
  31                 super
  32
  33                 var txt = load_asset( "hello.txt" )
  34                 if txt isa String then
  35                         print txt.length
  36                         print txt
  37                 end
  38
  39                 img = load_image( "fighter.png" )
  40         end
  41
  42         var r: Float = 0.0
  43         var g: Float = 0.0
  44         var b: Float = 0.0
  45         redef fun frame_core( display )
  46         do
  47                 b = b + 0.01
  48                 if b > 1.0 then b = 0.0
  49
  50                 display.clear( r, g, b )
  51
  52                 var img = self.img
  53                 if img != null then
  54                         display.blit( img, 100, 100 )
  55                 end
  56         end
  57
  58         redef fun input( ie )
  59         do
  60                 if ie isa QuitEvent then
  61                         quit = true
  62                         return true
  63                 else if ie isa PointerEvent then
  64                         r = ie.x/display.width.to_f
  65                         g = ie.y/display.height.to_f
  66                         return true
  67                 else
  68                         print "unknown input: {ie}"
  69                         return false
  70                 end
  71         end
  72 end