examples/mnit_ballz/src/ballz_android.nit

   1 # this file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Romain Chanoir <romain.chanoir@viacesi.fr>
   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 module ballz_android
  18
  19 import realtime
  20 import mnit_android
  21 import game_logic
  22
  23 redef class App
  24
  25         var screen: nullable Screen
  26
  27         var target_dt = 20000000
  28
  29         redef fun run
  30         do
  31                 sensors_support_enabled = true
  32                 accelerometer.enabled = true
  33                 accelerometer.event_rate = 10000
  34                 magnetic_field.enabled = true
  35                 gyroscope.enabled = true
  36                 light.enabled = true
  37                 proximity.enabled = true
  38
  39                 super
  40         end
  41
  42         redef fun window_created
  43         do
  44                 super
  45                 screen = new Screen(self, display.as(Display))
  46         end
  47
  48         redef fun frame_core(display)
  49         do
  50                 var screen = self.screen
  51                 if screen != null then
  52                         var clock = new Clock
  53
  54                         screen.game.do_turn
  55                         screen.do_frame(display)
  56
  57                         var dt = clock.lapse
  58                         if dt.sec == 0 and dt.nanosec < target_dt then
  59                                 var sleep_t = target_dt - dt.nanosec
  60                                 sys.nanosleep(0, sleep_t)
  61                         end
  62                 end
  63         end
  64
  65         redef fun input(ie)
  66         do
  67                 if ie isa QuitEvent then
  68                         quit = true
  69                         return true
  70                 end
  71                 if screen != null then
  72                         return screen.input(ie)
  73                 end
  74                 return false
  75         end
  76 end