# This module is an example of a simple game using a curses backend
module leapfrog
-import curses
-import game
-
-# A simple game view in a curses windows
-class CursesView
- super View
-
- # The associated curses window
- var window: Window
-
- redef fun draw_sprite(s: Sprite) do s.draw_on_curses(window)
-end
-
-redef class Sprite
- # Drawing of a sprite in the curse windows
- fun draw_on_curses(window: Window) is abstract
-end
+import scene2d
# A falling apple
# If the sheep grab it, it scores one point.
class Apple
super Sprite
-
- redef fun draw_on_curses(window)
- do
- var x = self.x/100
- var y = self.y/100
- window.mvaddstr(y, x, "o")
- end
end
# Common class for the sheep and the duck
# The value indicate the number of step that remain to be stunt
#
# If a animal is stunned, it cannot move horizontally
- var stunt_ttl: Int writable = 0
+ var stunt_ttl: Int = 0 is writable
# Common update for animal
# handle stunt and edge collision
self.vy = -100
self.is_jumping = true
end
-
- redef fun draw_on_curses(window)
- do
- var x = self.x/100
- var y = self.y/100
- if self.is_jumping then
- if self.vy > 0 then
- # falling
- if self.vx > 0 then
- window.mvaddstr(y, x, "'---@>")
- window.mvaddstr(y+1, x, " \\-\\'")
- else
- window.mvaddstr(y, x, "<@---'")
- window.mvaddstr(y+1, x, " '/-/")
- end
- else
- # jumping
- if self.vx > 0 then
- window.mvaddstr(y, x, ",---@>")
- window.mvaddstr(y+1, x, " /-/'")
- else
- window.mvaddstr(y, x, "<@---,")
- window.mvaddstr(y+1, x, " '\\-\\")
- end
- end
- else if self.vx > 0 then
- if self.leg_state == 0 then
- window.mvaddstr(y, x, ",---@>")
- window.mvaddstr(y+1, x, " /-|'")
- else
- window.mvaddstr(y, x, ",---@>")
- window.mvaddstr(y+1, x, " |-\\'")
- end
- else
- if self.leg_state == 0 then
- window.mvaddstr(y, x, "<@---,")
- window.mvaddstr(y+1, x, " '/-|")
- else
- window.mvaddstr(y, x, "<@---,")
- window.mvaddstr(y+1, x, " '|-\\")
- end
- end
- end
end
# The nemesis of the sheep.
self.width = 400
self.height = 200
end
-
- redef fun draw_on_curses(window)
- do
- var x = self.x/100
- var y = self.y/100
-
- if self.vx > 0 then
- window.mvaddstr(y, x, " @<")
- window.mvaddstr(y+1, x, "<__)")
- else
- window.mvaddstr(y, x, ">@")
- window.mvaddstr(y+1, x, "(__>")
- end
- end
end
-class Game
- fun run(window: Window)
- do
- var main_view = new CursesView(window)
+class PlayScene
+ super Scene
+
+ var apples = new LiveGroup[Apple]
+ var duck = new Duck
+ var sheep = new Sheep
- var apples = new LiveGroup[Apple]
- var duck = new Duck
- var sheep = new Sheep
+ var score = 0
- var score = 0
+ var sprites = new LiveGroup[LiveObject]
- var sprites = new LiveGroup[LiveObject]
+ init
+ do
sprites.add(apples)
sprites.add(duck)
sprites.add(sheep)
+ end
- loop
+ redef fun update
+ do
- # Call update on all sprites
- sprites.update
+ # Call update on all sprites
+ sprites.update
+
+ # Need a new apple
+ if 10.rand < 2 then
+ var a = new Apple
+ a.x = (60.rand + 10) * 100
+ a.y = 0
+ a.vx = 0
+ a.vy = 70.rand + 30
+ apples.add(a)
+ end
- # Need a new apple
- if 10.rand < 2 then
- var a = new Apple
- a.x = (60.rand + 10) * 100
- a.y = 0
- a.vx = 0
- a.vy = 70.rand + 30
- apples.add(a)
+ # Eat apple or fallen apple
+ for a in apples do
+ if not a.exists then continue
+ if a.overlaps(sheep) then
+ score += 1
+ a.exists = false
end
-
- # Eat apple or fallen apple
- for a in apples do
- if not a.exists then continue
- if a.overlaps(sheep) then
- score += 1
- a.exists = false
- end
- if a.y > 2000 then
- a.exists = false
- end
+ if a.y > 2000 then
+ a.exists = false
end
+ end
- # Sheep vs duck
- if sheep.overlaps(duck) then
- if sheep.is_jumping and sheep.vy > 0 then
- duck.stunt_ttl = 5
- sheep.vy = -150
+ # Sheep vs duck
+ if sheep.overlaps(duck) then
+ if sheep.is_jumping and sheep.vy > 0 then
+ duck.stunt_ttl = 5
+ sheep.vy = -150
+ else
+ if sheep.x < duck.x then
+ sheep.x = duck.x - sheep.width
else
- if sheep.x < duck.x then
- sheep.x = duck.x - sheep.width
- else
- sheep.x = duck.x + duck.width
- end
- sheep.vx = - sheep.vx
- duck.vx = - duck.vx
+ sheep.x = duck.x + duck.width
end
- end
-
- # Redraw the screen
- window.wclear
- sprites.draw(main_view)
- window.mvaddstr(0, 0, "'q' to quit - score: {score}")
- window.mvaddstr(20, 0, "#"*80)
- window.refresh
-
- # Wait the next frame
- sys.nanosleep(0, 48000000)
-
- # Keyboard input
- while stdin.as(Stdin).poll_in do
- if stdin.eof then return
- var c = stdin.read_char
- if c == 'q'.ascii then return
- sheep.jump
+ sheep.vx = - sheep.vx
+ duck.vx = - duck.vx
end
end
end
-end
-
-var game = new Game
-var win = new Window
-
-game.run(win)
-
-win.delwin
-win.endwin
-win.refresh
+end
nitlanguage / nit.git / blobdiff