ES6

nrkn · Oct 28, 2015 · e3bbdda · e3bbdda
1 parent fd992c7
commit e3bbdda
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Showing 4 changed files with 67 additions and 0 deletions.
diff --git a/js/SimpleRL.js → js/es5/SimpleRL.js b/js/SimpleRL.js → js/es5/SimpleRL.js
diff --git a/js/index.html → js/es5/index.html b/js/index.html → js/es5/index.html
diff --git a/js/es6/SimpleRL.js b/js/es6/SimpleRL.js
@@ -0,0 +1,57 @@
+const viewport = document.getElementById( 'viewport' )
+
+const map = [
+  '####  ####',
+  '#  ####  #',
+  '#        #',
+  '##      ##',
+  ' #      # ',
+  ' #      # ',
+  '##      ##',
+  '#        #',
+  '#  ####  #',
+  '####  ####'
+]
+
+var player = {
+  x: 2,
+  y: 2
+}
+
+const setTile = tile =>
+  map[ player.y ] = 
+    map[ player.y ].substr( 0, player.x ) + 
+    tile + 
+    map[ player.y ].substr( player.x + 1 )
+
+const movePlayer = point => {
+  if( map[ point.y ][ point.x ] === ' ' )
+    player = point
+}
+
+const modifiers = {
+  37: { x: -1, y: 0 },
+  38: { x: 0, y: -1 },
+  39: { x: 1, y: 0 },
+  40: { x: 0, y: 1 }
+}
+
+const tick = e => {
+  setTile( ' ' )
+
+  if( e.keyCode in modifiers ){
+    const modifier = modifiers[ e.keyCode ]
+
+    movePlayer({
+      x: player.x + modifier.x,
+      y: player.y + modifier.y
+    })
+  }
+
+  setTile( '@' )
+
+  viewport.textContent = map.join( '\n' )
+} 
+
+document.addEventListener( 'keyup', tick, false )
+tick( { keyCode: null } )
diff --git a/js/es6/index.html b/js/es6/index.html
@@ -0,0 +1,10 @@
+<!doctype html>
+<title>SimpleRL - JavaScript</title>
+<meta charset="utf-8" />
+<style>
+  body {
+    font-family: monospace;
+  }
+</style>
+<pre id="viewport"></pre>
+<script src="SimpleRL.js"></script>