From: Chip Black <bytex64@bytex64.net>
Date: Sat, 8 Dec 2012 03:37:31 +0000 (-0600)
Subject: Add Labyrinth
X-Git-Url: http://git.bytex64.net/?a=commitdiff_plain;h=85bd8873abc0a7d64571759479691ad098eaf9ef;hp=fe88ae53e5f87fbf36e57c66c2407d13c735dbb7;p=Hacks.git

Add Labyrinth
---

diff --git a/Main.js b/Main.js
index 2b68860..20c5fdb 100644
--- a/Main.js
+++ b/Main.js
@@ -20,6 +20,7 @@ enyo.kind({
 		{name: "preferencesView", kind: "HackPreferences", onClose: "savePreferences"}
 	],
 	hacksList: [
+		{name: "Labyrinth", kind: "Labyrinth"},
 		{name: "Nimbus", kind: "Nimbus"},
 		{name: "HexaSpinner", kind: "HexaSpinnerHack"},
 		{name: "Landscape", kind: "Landscape"},
diff --git a/depends.js b/depends.js
index 74d4e04..baaa284 100644
--- a/depends.js
+++ b/depends.js
@@ -4,6 +4,7 @@ enyo.depends(
 	"Main.css",
 	"HackPreferences.js",
 	"hacks/Hack.js",
+	"hacks/Labyrinth/Labyrinth.js",
 	"hacks/Nimbus/Nimbus.js",
 	"hacks/HexaSpinner/HexaSpinner.js",
 	"hacks/Landscape/Landscape.js",
diff --git a/hacks/Labyrinth/Labyrinth.js b/hacks/Labyrinth/Labyrinth.js
new file mode 100644
index 0000000..1baac54
--- /dev/null
+++ b/hacks/Labyrinth/Labyrinth.js
@@ -0,0 +1,124 @@
+/* Copyright 2011 The Dominion of Awesome
+ * See COPYING for licensing information */
+enyo.kind({
+	name: "Labyrinth",
+	kind: "Hack",
+	style: "background-color: blue",
+	preferences: [
+		{name: "speed", label: "Speed", kind: "Slider", maximum: 20, minimum: 1, snap: 1},
+		{name: "handedness", label: "Left/Right Bias", kind: "Slider", maximum: 1, minimum: 0, snap: 0.01},
+		{name: "foregroundColor", label: "Foreground Color", kind: "ListSelector", items: colorList},
+		{name: "backgroundColor", label: "Background Color", kind: "ListSelector", items: colorList}
+	],
+	speed: 5,
+	handedness: 0.5,
+	foregroundColor: 'white',
+	backgroundColor: 'blue',
+	grid: null,
+	boundary: null,
+	count: 0,
+	rest: 0,
+	components: [
+		{name: "viewport", nodeTag: "canvas"}
+	],
+	rendered: function() {
+		this.viewport = this.$.viewport.hasNode();
+		this.ctx = this.viewport.getContext('2d');
+		this.init();
+	},
+	start: function() {
+		if (!this.timer)
+			this.timer = setInterval(this.draw.bind(this), 50);
+	},
+	stop: function() {
+		clearInterval(this.timer);
+		this.timer = null;
+	},
+	resize: function(w, h) {
+		this.viewport.width = this.w = w;
+		this.viewport.height = this.h = h;
+
+		this.ctx.fillStyle = this.backgroundColor;
+		this.ctx.strokeStyle = this.foregroundColor;
+
+		this.ctx.fillRect(0, 0, w, h);
+
+		this.gw = Math.ceil(w / 8);
+		this.gh = Math.ceil(h / 8);
+		this.grid = new Array(this.gw);
+		for (var i = 0; i < this.gw; i++) {
+			this.grid[i] = new Array(this.gh);
+		}
+
+		var x = Math.floor(Math.random() * this.gw);
+		var y = Math.floor(Math.random() * this.gh);
+		this.grid[x][y] = Math.random() > this.handedness ? false : true;
+		this.boundary = [{x: x, y: y}];
+		this.count = 1;
+		this.render(x, y);
+	},
+	preferencesChanged: function() {
+		this.init();
+	},
+	init: function() {
+		this.resize(window.innerWidth, window.innerHeight);
+	},
+	pick: function() {
+		var c = this.boundary[Math.floor(Math.random() * this.boundary.length)];
+		var possibilities = [];
+		for (var x = -1; x <= 1; x++) {
+			for (var y = -1; y <= 1; y++) {
+				if (y == 0 && x == 0)
+					continue;
+				if (c.x + x < 0 || c.x + x >= this.gw || c.y + y < 0 || c.y + y >= this.gh)
+					continue;
+				if (typeof(this.grid[c.x + x][c.y + y]) == 'undefined') {
+					possibilities.push({x: c.x + x, y: c.y + y});
+				}
+			}
+		}
+		if (possibilities.length == 0) {
+			for (var i = 0; i < this.boundary.length; i++) {
+				if (this.boundary[i].x == c.x && this.boundary[i].y == c.y) {
+					this.boundary.splice(i, 1);
+					break;
+				}
+			}
+			return this.pick();
+		}
+
+		var nc = possibilities[Math.floor(Math.random() * possibilities.length)];
+		this.grid[nc.x][nc.y] = Math.random() > this.handedness ? false : true;
+		this.boundary.push(nc);
+		return nc;
+	},
+	render: function(x, y) {
+		this.ctx.beginPath();
+		if (this.grid[x][y] === true) {
+			this.ctx.moveTo(x * 8 + 8, y * 8);
+			this.ctx.lineTo(x * 8, y * 8 + 8);
+		} else if (this.grid[x][y] === false) {
+			this.ctx.moveTo(x * 8, y * 8);
+			this.ctx.lineTo(x * 8 + 8, y * 8 + 8);
+		}
+		this.ctx.stroke();
+	},
+	draw: function() {
+		if (this.rest > 0) {
+			if (this.rest == 1)
+				this.init();
+			this.rest--;
+			return;
+		}
+
+		for (var i = 0; i < this.speed; i++) {
+			var c = this.pick();
+			this.render(c.x, c.y);
+			this.count++;
+			if (this.count == this.gw * this.gh) {
+				this.rest = 60;
+				return;
+			}
+		}
+	}
+});