name directories like the realm repo.

9 files changed, 0 insertions, 661 deletions

diff --git a/five/guess.rkt b/five/guess.rkt
deleted file mode 100644
index f7a117a..0000000
--- a/five/guess.rkt
+++ /dev/null
@@ -1,75 +0,0 @@
-#lang racket
-(require 2htdp/universe 2htdp/image)
-
-(struct interval (small big guesses))
-
-;;; constants
-(define TEXT-SIZE 12)
-(define HELP-TEXT
-  (text "↑ for larger numbers, ↓ for smaller ones"
-        TEXT-SIZE
-        "blue"))
-(define HELP-TEXT2
-  (text "Press = when your number is guessed; q to quit."
-        TEXT-SIZE
-        "blue"))
-(define COLOR "red")
-(define WIDTH (+ (image-width HELP-TEXT2) 10))
-(define HEIGHT 150)
-(define SIZE 72)
-(define TEXT-X 3)
-(define TEXT-UPPER-Y 10)
-(define TEXT-LOWER-Y 135)
-(define GUESSES-SIZE 12)
-(define GUESSES-COLOR "green")
-(define MT-SC
-  (place-image/align
-   HELP-TEXT TEXT-X TEXT-UPPER-Y "left" "top"
-   (place-image/align
-    HELP-TEXT2 TEXT-X TEXT-LOWER-Y "left" "bottom"
-    (empty-scene WIDTH HEIGHT))))
-
-;; main
-(define (start lower upper)
-  (big-bang (interval lower upper 0)
-            (on-key deal-with-guess)
-            (to-draw render)
-            (stop-when single? render-last-scene)))
-
-;; key events
-(define (deal-with-guess w key)
-  (cond [(key=? key "up") (bigger w)]
-        [(key=? key "down") (smaller w)]
-        [(key=? key "q") (stop-with w)]
-        [(key=? key "=") (stop-with w)]
-        [else w]))
-
-(define (smaller w)
-  (interval (interval-small w)
-            (max (interval-small w) (sub1 (guess w)))
-            (+ 1 (interval-guesses w))))
-
-(define (bigger w)
-  (interval (min (interval-big w) (add1 (guess w)))
-            (interval-big w)
-            (+ 1 (interval-guesses w))))
-
-(define (guess w)
-  (quotient (+ (interval-small w) (interval-big w)) 2))
-
-(define (render w)
-  (overlay (overlay/offset
-            (text (number->string (guess w)) SIZE COLOR) 0 40
-            (text (number->string (interval-guesses w))
-                  GUESSES-SIZE GUESSES-COLOR))
-           MT-SC))
-
-(define (render-last-scene w)
-  (overlay (overlay/offset
-            (text "End" SIZE COLOR) 0 40
-            (text (number->string (interval-guesses w))
-                  GUESSES-SIZE GUESSES-COLOR))
-           MT-SC))
-
-(define (single? w)
-  (= (interval-small w) (interval-big w)))
diff --git a/five/loco.rkt b/five/loco.rkt
deleted file mode 100644
index 977c976..0000000
--- a/five/loco.rkt
+++ /dev/null
@@ -1,59 +0,0 @@
-#lang racket
-(require 2htdp/universe 2htdp/image)
-
-(define WIDTH 300)
-(define HEIGHT 300)
-(define CAROILLE (bitmap/file "resources/caroille.png"))
-(define CAROILLE-WIDTH (image-width CAROILLE))
-
-;;;
-;;; If the car is placed at X = 1/2 its width, its back will be
-;;; touching the left edge of the World.
-;;;
-;;; If the car is place at X = - 1/2 its width, its front will be touching
-;;; the left edge of the World.
-;;;
-(define CAROILLE-WIDTH-HALF (/ CAROILLE-WIDTH 2.0))
-
-;;; Structure to represent the X position of two cars in animation.
-(struct cars (one two))
-
-(define (caroille-past-right-edge? pos)
-  (> pos (- WIDTH CAROILLE-WIDTH-HALF)))
-
-(define (caroille-fully-past-right-edge? pos)
-  (>= pos (+ WIDTH CAROILLE-WIDTH-HALF)))
-
-(define (caroille-fully-past-left-edge? pos)
-  (>= pos CAROILLE-WIDTH-HALF))
-
-(define (caroille-fully-inside? pos)
-  (and (caroille-fully-past-left-edge? pos)
-       (not (caroille-past-right-edge? pos))))
-
-(define (move caroilles)
-  (let ((caroille-one (cars-one caroilles))
-        (caroille-two (cars-two caroilles)))
-    (cond
-      ;; Case set I - one of the cars is fully inside.
-      ((caroille-fully-inside? caroille-one)
-       (cars (+ 1 caroille-one) caroille-two))
-      ((caroille-fully-inside? caroille-two)
-       (cars caroille-one (+ 1 caroille-two)))
-      ;; Case set II - one of the cars disappeared into the right edge.
-      ((caroille-fully-past-right-edge? caroille-one)
-       (cars (- CAROILLE-WIDTH-HALF) (+ 1 caroille-two)))
-      ((caroille-fully-past-right-edge? caroille-two)
-       (cars (+ 1 caroille-one) (- CAROILLE-WIDTH-HALF)))
-      ;; Case else - Both cars are partially out.
-      (else (cars (+ 1 caroille-one) (+ 1 caroille-two))))))
-
-(define (draw-cars caroilles)
-  (place-image CAROILLE (cars-one caroilles) (/ HEIGHT 2)
-               (place-image CAROILLE (cars-two caroilles) (/ HEIGHT 2)
-                            (empty-scene WIDTH HEIGHT))))
-
-(define (start)
-  (big-bang (cars CAROILLE-WIDTH-HALF (- CAROILLE-WIDTH-HALF))
-            (on-tick move)
-            (to-draw draw-cars)))
diff --git a/five/resources/caroille.png b/five/resources/caroille.png
deleted file mode 100644
index 052cc58..0000000
--- a/five/resources/caroille.png
+++ /dev/null
diff --git a/five/resources/caroille.svg b/five/resources/caroille.svg
deleted file mode 100644
index eb4db63..0000000
--- a/five/resources/caroille.svg
+++ /dev/null
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diff --git a/five/resources/ufo-fart.png b/five/resources/ufo-fart.png
deleted file mode 100644
index 13d1c4a..0000000
--- a/five/resources/ufo-fart.png
+++ /dev/null
diff --git a/five/resources/ufo-fart.svg b/five/resources/ufo-fart.svg
deleted file mode 100644
index cf86021..0000000
--- a/five/resources/ufo-fart.svg
+++ /dev/null
@@ -1,188 +0,0 @@
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-        <dc:date>2018-04-17</dc:date>
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diff --git a/five/resources/zarking-ufo.png b/five/resources/zarking-ufo.png
deleted file mode 100644
index bd5eb43..0000000
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deleted file mode 100644
index 84b8844..0000000
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diff --git a/five/ufo.rkt b/five/ufo.rkt
deleted file mode 100644
index 6f8136c..0000000
--- a/five/ufo.rkt
+++ /dev/null
@@ -1,86 +0,0 @@
-#lang racket
-(require 2htdp/universe 2htdp/image)
-
-;;; world structure
-(struct ufo (x y fart))
-
-;;; constants
-(define WORLD-WIDTH 300)
-(define WORLD-HEIGHT 325)
-(define MOVE-LEN 3)
-(define UFO (bitmap/file "resources/zarking-ufo.png"))
-(define UFO-FART (bitmap/file "resources/ufo-fart.png"))
-(define UFO-WIDTH (image-width UFO))
-(define UFO-HEIGHT (image-height UFO))
-(define UFO-FART-HEIGHT (image-height UFO-FART))
-
-;;; ufo movement functions
-(define (ufo-move-up current-state)
-  (let ((x (ufo-x current-state))
-        (y-up (- (ufo-y current-state) MOVE-LEN))
-        (fart #t))
-    (cond [(>= y-up (+ (/ UFO-HEIGHT 2) (/ UFO-FART-HEIGHT 2)))
-           (ufo x y-up fart)]
-          [else current-state])))
-
-(define (ufo-move-down current-state)
-  (let ((x (ufo-x current-state))
-        (y-down (+ (ufo-y current-state) MOVE-LEN)))
-    (cond [(<= y-down (- (+ WORLD-HEIGHT (/ UFO-FART-HEIGHT 2))
-                         (/ UFO-HEIGHT 2)))
-           (ufo x y-down #t)]
-          [else current-state])))
-
-
-(define (ufo-move-left current-state)
-  (let ((x-left (- (ufo-x current-state) MOVE-LEN))
-        (y (ufo-y current-state))
-        (fart #t))
-    (cond [(>= x-left (/ UFO-WIDTH 2))
-           (ufo x-left y fart)]
-          [else current-state])))
-
-(define (ufo-move-right current-state)
-  (let ((x-right (+ (ufo-x current-state) MOVE-LEN))
-        (y (ufo-y current-state))
-        (fart #t))
-    (cond [(<= x-right (- WORLD-WIDTH (/ UFO-WIDTH 2)))
-           (ufo x-right y fart)]
-          [else current-state])))
-
-
-;;; big bang functions
-(define (draw-a-ufo current-state)
-  (place-image (overlay/align/offset
-                "middle" "bottom" UFO 0 35
-                (if (ufo-fart current-state)
-                    UFO-FART
-                    (circle 0 "outline" "white")))
-               (ufo-x current-state)
-               (ufo-y current-state)
-               (empty-scene WORLD-WIDTH WORLD-HEIGHT)))
-
-(define (add-3-to-posy current-state)
-  (ufo (ufo-x current-state)
-           (+ (ufo-y current-state) 3)))
-
-(define (posy-is-300 current-state)
-  (>= (ufo-y current-state) 300))
-
-(define (move-ufo current-state key)
-  (cond [(key=? key "up") (ufo-move-up current-state)]
-        [(key=? key "down") (ufo-move-down current-state)]
-        [(key=? key "left") (ufo-move-left current-state)]
-        [(key=? key "right") (ufo-move-right current-state)]
-        [else current-state]))
-
-(define (ufo-stopped current-state key)
-  (let ((fart #f))
-    (ufo (ufo-x current-state) (ufo-y current-state) fart)))
-
-;;; the big bang
-(big-bang (ufo (/ WORLD-WIDTH 2) (/ WORLD-HEIGHT 2) #f)
-          (to-draw draw-a-ufo)
-          (on-key move-ufo)
-          (on-release ufo-stopped))
-