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@bhauman /core.cljs
Last active Aug 29, 2015

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The code from the Devcards introduction video
(ns hello-there.core
(:require
[devcards.core :as dc :include-macros true]
[sablono.core :as sab :include-macros true]
[om.core :as om :include-macros true])
(:require-macros
[devcards.core :refer [defcard is are= are-not=]])
)
(devcards.core/start-devcard-ui!)
(devcards.core/start-figwheel-reloader!)
(defn my-hello [nm]
(sab/html [:div
[:h1 "Well hello there, " nm "!!!"]]))
(defn pixel-pos [x]
(str (+ 15 (* x (+ 106 15))) "px"))
(defn pos-translate [top left]
(str "translate3d(" (pixel-pos left) ","
(pixel-pos top) ", 0px)"))
(defn board-cell [{:keys [top left id v highlight reveal]}]
(let [trans (pos-translate top left)]
(sab/html
[:div.cell-pos { :style { "-webkit-transform" trans
"-moz-transform" trans
"transform" trans }
:key (str (name id)) }
[:div { :class (str "cell cell-num-" v " highlight") } v]])))
(defcard inspect-board-cell
(dc/sab-card
[:div {:style {:height 120
:position "relative"}}
(board-cell {:id :t5 :top 0 :left 0 :v 1024})]))
(defn background-cells []
(for [top (range 4) left (range 4)]
(sab/html
[:div.cell-pos.cell-empty
{ :style { :top (pixel-pos top)
:left (pixel-pos left)}}])))
(defcard inspect-background-cells
(dc/sab-card
[:div {:style {:height 500
:position "relative"}}
(background-cells)]))
(defn game-board [data]
(sab/html
[:div.board-area
[:div.background (background-cells)]
[:div.cells (map board-cell data)]]))
(defcard board-style
(dc/sab-card (game-board [])))
(defcard board-with-cells
(dc/sab-card
(game-board [{ :top 0 :left 0 :v 2 :id :t1}
{ :top 0 :left 1 :v 4 :id :t2}
{ :top 0 :left 2 :v 8 :id :t3}
{ :top 0 :left 3 :v 16 :id :t4}
{ :top 1 :left 0 :v 32 :id :t5}
{ :top 1 :left 1 :v 64 :id :t6}
{ :top 1 :left 2 :v 128 :id :t7}
{ :top 1 :left 3 :v 256 :id :t8}
{ :top 2 :left 0 :v 512 :id :t9}
{ :top 2 :left 1 :v 1024 :id :t10}
{ :top 2 :left 2 :v 2048 :id :t11}])))
(defcard data-structure-ex
(dc/markdown-card
"# 2048 Data Structures
### Main data structure: a map
A map of tiles indexed by their ids. These
tiles hold positions, values, and ids."
(dc/mkdn-data
{:t1 { :top 0 :left 0 :v 2 :id :t1}
:t2 { :top 1 :left 0 :v 2 :id :t2}
:t3 { :top 2 :left 0 :v 8 :id :t3}
:t4 { :top 3 :left 0 :v 4 :id :t4}}
)
"### Vector based positional view
Where positions are converted into actual positions in a 2d array.
This view of the data will facilitate making the left, right, up
and down moves."
(dc/mkdn-data
[[{:v 2, :id :t1} :_ :_ :_]
[{:v 8, :id :t2} :_ :_ :_]
[{:v 4, :id :t3} :_ :_ :_]
[{:v 4, :id :t4} :_ :_ :_]])))
(def blank-board [[:_ :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]])
(defn map-view->board-view [map-view]
(reduce
(fn [accum {:keys [top left] :as tile}]
(assoc-in accum [top left] (dissoc tile :top :left)))
blank-board
(vals map-view)))
(defn board-view->map-view [board-view]
(into {}
(map (juxt :id identity)
(keep identity
(for [top (range 4) left (range 4)]
(let [res (get-in board-view [top left])]
(when (map? res)
(assoc res :top top :left left))))))))
(defcard map-to-board-view-tests
(dc/test-card
"## Testing data view conversions"
(are= (map-view->board-view {:t1 {:id :t1 :top 0 :left 0 :v 4}})
[[{:id :t1 :v 4} :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]])
(are= (board-view->map-view [[{:id :t1 :v 4} :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]
[:_ :_ :_ :_]])
{:t1 {:id :t1 :top 0 :left 0 :v 4}})
(are= (map-view->board-view
(board-view->map-view [[{:id :t1 :v 4} :_ :_ :_]
[:_ :_ :_ {:id :t2 :v 4}]
[:_ :_ :_ :_]
[:_ :_ :_ :_]]))
[[{:id :t1 :v 4} :_ :_ :_]
[:_ :_ :_ {:id :t2 :v 4}]
[:_ :_ :_ :_]
[:_ :_ :_ :_]])
))
(def fibs
(map first (iterate (fn [[a b]] [b, (+ a b)]) [0, 1])))
(def fib (partial nth fibs))
(defn counter-app [data-atom]
(sab/html
[:div
[:h1 "Fibonacci Counter " (str (fib (:count @data-atom)))]
[:div [:a {:onClick #(swap! data-atom update-in [:count] inc)} "inc"]]
(dc/edn->html @data-atom)
]))
(defcard inspect-counter
(dc/react-runner-card
counter-app
{:initial-state {:count 0}}))
(defn om-counter [data owner]
(reify
om/IRenderState
(render-state [_ {:keys [count]}]
(sab/html
[:div
[:h1 "Fibonacci counter " (str (fib (:count data)))]
[:div [:a {:onClick #(om/transact! data :count inc)} "inc"]]
(dc/edn->html data)]))))
(defcard om-root-example
(dc/om-root-card om-counter {:count 0}))
.two-zero.board-area {
background-color: rgb(187,173,160);
width: 499px;
height: 499px;
border-radius: 6px;
position: relative;
/* initialize as 3d */
-webkit-transform: translate3d(0,0,0);
-moz-transform: translate3d(0,0,0);
transform: translate3d(0,0,0);
}
.board-area-one-row {
height: 136px;
}
.one-row-board .board-area {
height: 136px;
overflow: hidden;
}
.cell-pos {
height: 106px;
width: 106px;
position:absolute;
border-radius: 4px;
-webkit-transition: all 0.12s;
transition: all 0.12s;
/* initialize as 3d */
-webkit-transform: translate3d(0,0,0);
-moz-transform: translate3d(0,0,0);
transform: translate3d(0,0,0);
}
.cell-empty {
background-color: rgb(205,193,180);
}
.cell {
background-color: rgb(205,193,180);
height: 106px;
width: 106px;
/* position: relative; */
border-radius: 4px;
font-family: "Helvetica Neue", Arial, sans-serif;
font-size: 55px;
line-height: 102px;
font-weight: bold;
text-align: center;
vertical-align: middle;
/* initialize as 3d */
-webkit-transform: translate3d(0,0,0);
-moz-transform: translate3d(0,0,0);
transform: translate3d(0,0,0);
}
.cell.highlight {
-webkit-animation: highlight 0.1s;
}
@-webkit-keyframes highlight {
0% { -webkit-transform: scale3d(1.2,1.2,1.0);
opacity: 0.7;}
100% { -webkit-transform: scale3d(1.0,1.0,1.0);
opacity: 1.0;}
}
.cell.reveal {
-webkit-animation: reveal 0.1s;
}
@-webkit-keyframes reveal {
0% { -webkit-transform: scale3d(0.1,0.1,1.0);
opacity: 0.1;
}
100% { -webkit-transform: scale3d(1.0,1.0,1.0);
opacity: 1.0;}
}
.cell-num-2 {
background-color: rgb(238, 228,218);
color: rgb(110,102,93);
}
.cell-num-4 {
background-color: rgb(237, 224,200);
color: rgb(119,110,101);
}
.cell-num-8 {
background-color: rgb(242, 177, 121);
color: rgb(249,246,242);
}
.cell-num-16 {
background-color: rgb(245, 149, 99);
color: rgb(249,246,242);
}
.cell-num-32 {
background-color: rgb(245, 124, 95);
color: rgb(249,246,242);
}
.cell-num-64 {
background-color: rgb(246, 94, 59);
color: rgb(249,246,242);
}
.cell-num-128 {
background-color: rgb(237, 207,114);
color: rgb(249,246,242);
font-size: 48px;
}
.cell-num-256 {
background-color: rgb(237, 204, 97);
color: rgb(249,246,242);
font-size: 48px;
border: 1px solid rgba(238, 228, 218, 0.5);
box-shadow: 0 0 25px 5px rgb(237, 204, 97);
}
.cell-num-512 {
background-color: rgb(237, 204, 97);
color: rgb(249,246,242);
font-size: 48px;
border: 1px solid rgba(238, 228, 218, 0.5);
box-shadow: 0 0 25px 5px rgb(237, 204, 97);
}
.cell-num-1024 {
background-color: rgb(237, 204, 97);
color: rgb(249,246,242);
font-size: 40px;
border: 1px solid rgba(238, 228, 218, 0.5);
box-shadow: 0 0 25px 5px rgb(237, 204, 97);
}
.cell-num-2048 {
background-color: rgb(237, 204, 97);
color: rgb(249,246,242);
font-size: 40px;
border: 1px solid rgba(238, 228, 218, 0.5);
box-shadow: 0 0 25px 5px rgb(237, 204, 97);
}
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