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authorDavid Thompson <dthompson2@worcester.edu>2014-01-20 21:10:57 -0500
committerDavid Thompson <dthompson2@worcester.edu>2014-01-20 21:10:57 -0500
commit7c540f61a710847fd59033d3d2ee1dfc6364b928 (patch)
treeacb4a04c277a72b81809e1779afeea3769cda914 /examples/pong.scm
parent5b81b48d3055a5be364cf3aa1a2b786c2daf65ab (diff)
Remove obsolete examples.
Diffstat (limited to 'examples/pong.scm')
-rw-r--r--examples/pong.scm82
1 files changed, 0 insertions, 82 deletions
diff --git a/examples/pong.scm b/examples/pong.scm
deleted file mode 100644
index 5ff1979..0000000
--- a/examples/pong.scm
+++ /dev/null
@@ -1,82 +0,0 @@
-(use-modules (srfi srfi-1)
- (srfi srfi-9)
- (2d color)
- (2d game)
- (2d keyboard)
- (2d math)
- (2d rect)
- (2d signals)
- (2d sprite)
- (2d texture)
- (2d time)
- (2d vector2)
- (2d window))
-
-(define-record-type <paddle>
- (%make-paddle y)
- paddle?
- (y paddle-y)
- (speed paddle-speed))
-
-(define-record-type <ball>
- (make-ball position velocity)
- ball?
- (position ball-position)
- (velocity ball-velocity))
-
-(define window-width 640)
-(define window-height 480)
-(define half-width (/ window-width 2))
-(define half-height (/ window-height 2))
-
-(with-window (make-window #:title "FRP is cool"
- #:resolution (vector2 window-width
- window-height)
- #:fullscreen? #f)
- (define paddle-texture (load-texture "images/paddleBlue.png"))
- (define ball-texture (load-texture "images/ballBlue.png"))
-
- (define paddle-speed 5)
- (define ball-speed 4)
- (define ball-hitbox (make-rect -8 -8 16 16))
-
- (define (move-paddle directions)
- (signal-fold (lambda (new old)
- (clamp 0 window-height (+ (* new paddle-speed) old)))
- half-height
- (signal-lift vy (time-every directions))))
-
- (define player1-paddle (move-paddle key-wasd))
- (define player2-paddle (move-paddle key-arrows))
-
- (define (wall-bounce position)
- (let ((rect (rect-move ball-hitbox position)))
- (cond ((> (rect-bottom rect) window-height)
- (vector2 (vx position)
- (- (vy position))))
- (else
- position))))
-
- (define ball (signal-fold (lambda (direction position)
- (wall-bounce (v+ (vscale direction ball-speed) position)))
- (vector2 half-width half-height)
- (time-every (make-signal #:init (vector2 1 1)))))
-
- (define quit-on-esc
- (signal-lift (lambda (down?)
- (when down?
- (quit-game)))
- (key-down? 'escape)))
-
- (define draw
- (let ((paddle-sprite (make-sprite paddle-texture))
- (ball-sprite (make-sprite ball-texture)))
- (lambda ()
- (set-sprite-position! paddle-sprite (vector2 0 (signal-ref player1-paddle)))
- (draw-sprite paddle-sprite)
- (set-sprite-position! paddle-sprite (vector2 window-width (signal-ref player2-paddle)))
- (draw-sprite paddle-sprite)
- (set-sprite-position! ball-sprite ball)
- (draw-sprite ball-sprite))))
-
- (run-game #:draw draw))