examples/mnit_ballz/src/display.nit

   1 # this file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Handles the drawing of all the game
  16 module display
  17
  18 import game_logic
  19
  20 redef class Ball
  21
  22         # Draw `self` onto `display` with image from `assets`
  23         fun draw(display: Display, assets: Assets)
  24         do
  25                 display.blit_centered(assets.ball, center.x, center.y)
  26         end
  27 end
  28
  29 redef class Wall
  30
  31         # Draw `self` onto `display` with image from `assets`
  32         fun draw(display: Display, assets: Assets)
  33         do
  34                 display.blit_rotated(assets.vertical_wall, center.x, center.y, angle)
  35         end
  36 end
  37
  38 redef class Game
  39
  40         # Draw all the entities onto `display`
  41         fun draw(display: Display, assets: Assets)
  42         do
  43                 display.clear (0.0, 0.0, 0.0)
  44                 ball.draw(display, assets)
  45                 for wall in walls do wall.draw(display, assets)
  46         end
  47 end