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-rw-r--r--net/ricketyspace/ror/five/resources/ufo-fart.pngbin0 -> 868 bytes
-rw-r--r--net/ricketyspace/ror/five/resources/ufo-fart.svg188
-rw-r--r--net/ricketyspace/ror/five/ufo.rkt64
3 files changed, 228 insertions, 24 deletions
diff --git a/net/ricketyspace/ror/five/resources/ufo-fart.png b/net/ricketyspace/ror/five/resources/ufo-fart.png
new file mode 100644
index 0000000..13d1c4a
--- /dev/null
+++ b/net/ricketyspace/ror/five/resources/ufo-fart.png
Binary files differ
diff --git a/net/ricketyspace/ror/five/resources/ufo-fart.svg b/net/ricketyspace/ror/five/resources/ufo-fart.svg
new file mode 100644
index 0000000..cf86021
--- /dev/null
+++ b/net/ricketyspace/ror/five/resources/ufo-fart.svg
@@ -0,0 +1,188 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ xmlns:dc="http://purl.org/dc/elements/1.1/"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ width="50"
+ height="50"
+ viewBox="0 0 13.229166 13.229167"
+ version="1.1"
+ id="svg8"
+ inkscape:version="0.92.3 (2405546, 2018-03-11)"
+ sodipodi:docname="ufo-gas.svg">
+ <title
+ id="title10">UFO Fart</title>
+ <defs
+ id="defs2" />
+ <sodipodi:namedview
+ id="base"
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="0.0"
+ inkscape:pageshadow="2"
+ inkscape:zoom="7.9195959"
+ inkscape:cx="19.4951"
+ inkscape:cy="22.795424"
+ inkscape:document-units="mm"
+ inkscape:current-layer="layer1"
+ showgrid="false"
+ units="px"
+ inkscape:window-width="1280"
+ inkscape:window-height="800"
+ inkscape:window-x="0"
+ inkscape:window-y="0"
+ inkscape:window-maximized="0" />
+ <metadata
+ id="metadata5">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ <dc:title>UFO Fart</dc:title>
+ <cc:license
+ rdf:resource="http://creativecommons.org/publicdomain/zero/1.0/" />
+ <dc:date>2018-04-17</dc:date>
+ <dc:creator>
+ <cc:Agent>
+ <dc:title>rsiddharth &lt;s@ricketyspace.net&gt;</dc:title>
+ </cc:Agent>
+ </dc:creator>
+ </cc:Work>
+ <cc:License
+ rdf:about="http://creativecommons.org/publicdomain/zero/1.0/">
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#Reproduction" />
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#Distribution" />
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
+ </cc:License>
+ </rdf:RDF>
+ </metadata>
+ <g
+ inkscape:label="Layer 1"
+ inkscape:groupmode="layer"
+ id="layer1"
+ transform="translate(0,-283.77082)">
+ <g
+ id="g160">
+ <circle
+ style="fill:#ffffff;stroke-width:0.09590441"
+ r="0.071714237"
+ cy="288.4332"
+ cx="4.474267"
+ id="circle38" />
+ </g>
+ <g
+ id="g202"
+ inkscape:export-xdpi="76.796082"
+ inkscape:export-ydpi="76.796082">
+ <g
+ id="g180">
+ <circle
+ style="stroke-width:0.20158729"
+ r="0.53453904"
+ cy="285.58438"
+ cx="6.4067097"
+ id="circle20" />
+ <circle
+ style="fill:#ffffff;stroke-width:0.06017532"
+ r="0.044997171"
+ cy="285.91135"
+ cx="6.4122667"
+ id="circle22" />
+ </g>
+ <g
+ id="g132">
+ <circle
+ style="stroke-width:0.42837298"
+ r="1.1358955"
+ cy="294.70496"
+ cx="2.898797"
+ id="circle42" />
+ <circle
+ style="fill:#ffffff;stroke-width:0.12787254"
+ r="0.095618986"
+ cy="295.48981"
+ cx="2.5584671"
+ id="circle44" />
+ </g>
+ <circle
+ id="circle36"
+ cx="4.920023"
+ cy="287.93967"
+ r="0.85192156"
+ style="stroke-width:0.32127973"
+ transform="translate(0,9.1666667e-6)" />
+ <g
+ id="g176">
+ <circle
+ style="stroke-width:0.32127973"
+ r="0.85192156"
+ cy="287.83945"
+ cx="8.294301"
+ id="circle48" />
+ <circle
+ style="fill:#ffffff;stroke-width:0.09590441"
+ r="0.071714237"
+ cy="288.35379"
+ cx="8.6660032"
+ id="circle50" />
+ </g>
+ <g
+ id="g136">
+ <circle
+ id="path12"
+ cx="3.9511709"
+ cy="291.24713"
+ r="1.2528259"
+ style="stroke-width:0.47247022" />
+ <circle
+ id="path14"
+ cx="3.5711958"
+ cy="292.09247"
+ r="0.10546212"
+ style="fill:#ffffff;stroke-width:0.1410359" />
+ </g>
+ <g
+ id="g152">
+ <circle
+ style="stroke-width:0.47247022"
+ r="1.2528259"
+ cy="291.31396"
+ cx="9.7308741"
+ id="circle54" />
+ <circle
+ style="fill:#ffffff;stroke-width:0.1410359"
+ r="0.10546212"
+ cy="292.10916"
+ cx="10.269638"
+ id="circle56" />
+ </g>
+ <g
+ id="g156">
+ <circle
+ id="circle66"
+ cx="10.549387"
+ cy="294.57132"
+ r="1.1358955"
+ style="stroke-width:0.42837298" />
+ <circle
+ id="circle68"
+ cx="10.976822"
+ cy="295.35028"
+ r="0.095618986"
+ style="fill:#ffffff;stroke-width:0.12787254" />
+ </g>
+ </g>
+ </g>
+</svg>
diff --git a/net/ricketyspace/ror/five/ufo.rkt b/net/ricketyspace/ror/five/ufo.rkt
index 1bf7910..6f8136c 100644
--- a/net/ricketyspace/ror/five/ufo.rkt
+++ b/net/ricketyspace/ror/five/ufo.rkt
@@ -2,59 +2,70 @@
(require 2htdp/universe 2htdp/image)
;;; world structure
-(struct ufo-pos (x y))
+(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-pos-x current-state))
- (y-up (- (ufo-pos-y current-state) MOVE-LEN)))
- (cond [(>= y-up (/ UFO-HEIGHT 2)) (ufo-pos x y-up)]
+ (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-pos-x current-state))
- (y-down (+ (ufo-pos-y current-state) MOVE-LEN)))
- (cond [(<= y-down (- WORLD-HEIGHT (/ UFO-HEIGHT 2)))
- (ufo-pos x y-down)]
+ (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-pos-x current-state) MOVE-LEN))
- (y (ufo-pos-y 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-pos x-left y)]
+ (ufo x-left y fart)]
[else current-state])))
(define (ufo-move-right current-state)
- (let ((x-right (+ (ufo-pos-x current-state) MOVE-LEN))
- (y (ufo-pos-y 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-pos x-right y)]
+ (ufo x-right y fart)]
[else current-state])))
;;; big bang functions
-(define (draw-a-ufo-onto-an-empty-scene current-state)
- (place-image UFO
- (ufo-pos-x current-state)
- (ufo-pos-y current-state)
+(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-pos (ufo-pos-x current-state)
- (+ (ufo-pos-y current-state) 3)))
+ (ufo (ufo-x current-state)
+ (+ (ufo-y current-state) 3)))
(define (posy-is-300 current-state)
- (>= (ufo-pos-y current-state) 300))
+ (>= (ufo-y current-state) 300))
(define (move-ufo current-state key)
(cond [(key=? key "up") (ufo-move-up current-state)]
@@ -63,8 +74,13 @@
[(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-pos (/ WORLD-WIDTH 2) (/ WORLD-HEIGHT 2))
- (to-draw draw-a-ufo-onto-an-empty-scene)
- (on-key move-ufo))
+(big-bang (ufo (/ WORLD-WIDTH 2) (/ WORLD-HEIGHT 2) #f)
+ (to-draw draw-a-ufo)
+ (on-key move-ufo)
+ (on-release ufo-stopped))
siddharth ravikumar snafu