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 game_logic
  21
  22 redef class App
  23
  24         var screen: nullable Screen
  25
  26         var target_dt = 20000000
  27
  28         redef fun run
  29         do
  30                 sensors_support_enabled = true
  31                 accelerometer.enabled = true
  32                 accelerometer.event_rate = 10000
  33                 magnetic_field.enabled = true
  34                 gyroscope.enabled = true
  35                 light.enabled = true
  36                 proximity.enabled = true
  37
  38                 super
  39         end
  40
  41         redef fun window_created
  42         do
  43                 super
  44                 screen = new Screen(self, display.as(Display))
  45         end
  46
  47         redef fun frame_core(display)
  48         do
  49                 var screen = self.screen
  50                 if screen != null then
  51                         var clock = new Clock
  52
  53                         screen.game.do_turn
  54                         screen.do_frame(display)
  55
  56                         var dt = clock.lapse
  57                         if dt.sec == 0 and dt.nanosec < target_dt then
  58                                 var sleep_t = target_dt - dt.nanosec
  59                                 sys.nanosleep(0, sleep_t)
  60                         end
  61                 end
  62         end
  63
  64         redef fun input(ie)
  65         do
  66                 if ie isa QuitEvent then
  67                         quit = true
  68                         return true
  69                 end
  70                 if screen != null then
  71                         return screen.input(ie)
  72                 end
  73                 return false
  74         end
  75 end