From ab78710daad9687ee84535e2573fb4a69f2ef82e Mon Sep 17 00:00:00 2001
From: photonstorm <rdavey@gmail.com>
Date: Fri, 3 Oct 2014 02:21:09 +0100
Subject: [PATCH] BitmapData.textureLine takes a Phaser.Line object and an
 image in the image cache. It then accurately draws the image as a repeating
 texture for the full length of the line.

---
 README.md                     |  1 +
 src/gameobjects/BitmapData.js | 34 ++++++++++++++++++++++++++++++++++
 src/geom/Circle.js            |  2 +-
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 6b6c2948c..0ad3eab73 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,7 @@ Version 2.1.2 - "Whitebridge" - in development
 * Cache.addBitmapData has a new parameter: `frameData` allowing you to pass a `Phaser.FrameData` object along with the BitmapData.
 * Cache.getFrameData has a new parameter: `map` which allows you to specify which cache to get the FrameData from, i.e. `Phaser.Cache.IMAGE` or `Phaser.Cache.BITMAPDATA`.
 * Sprite.loadTexture if given a BitmapData as the texture will now query the cache to see if it has any associated FrameData, and if so it will load that into the AnimationManager.
+* BitmapData.textureLine takes a Phaser.Line object and an image in the image cache. It then accurately draws the image as a repeating texture for the full length of the line.
 
 
 
diff --git a/src/gameobjects/BitmapData.js b/src/gameobjects/BitmapData.js
index 044d0619a..5ed1dd7d2 100644
--- a/src/gameobjects/BitmapData.js
+++ b/src/gameobjects/BitmapData.js
@@ -193,6 +193,12 @@ Phaser.BitmapData = function (game, key, width, height) {
     */
     this._tempB = 0;
 
+    /**
+    * @property {Phaser.Circle} _circle - Internal cache var.
+    * @private
+    */
+    this._circle = new Phaser.Circle();
+
 };
 
 Phaser.BitmapData.prototype = {
@@ -1237,6 +1243,34 @@ Phaser.BitmapData.prototype = {
 
     },
 
+    /**
+    * Takes the given Line object and image and renders it to this BitmapData as a repeating texture line.
+    *
+    * @method Phaser.BitmapData#textureLine
+    * @param {Phaser.Line} line - A Phaser.Line object that will be used to plot the start and end of the line.
+    * @param {string} key - The key of an image in the Phaser.Cache to use as the texture for this line.
+    * @return {Phaser.BitmapData} This BitmapData object for method chaining.
+    */
+    textureLine: function (line, key) {
+
+        var image = this.game.cache.getImage(key);
+
+        this._circle = new Phaser.Circle(line.start.x, line.start.y, image.height);
+
+        circle.circumferencePoint(line.angle - 1.5707963267948966, false, this._pos);
+
+        this.context.save();
+        this.context.translate(this._pos.x, this._pos.y);
+        this.context.rotate(line.angle);
+        this.context.fillRect(0, 0, line.length, image.height);
+        this.context.restore();
+
+        this.dirty = true;
+
+        return this;
+
+    },
+
     /**
     * If the game is running in WebGL this will push the texture up to the GPU if it's dirty.
     * This is called automatically if the BitmapData is being used by a Sprite, otherwise you need to remember to call it in your render function.
diff --git a/src/geom/Circle.js b/src/geom/Circle.js
index 9b98ef524..9a80d4f8f 100644
--- a/src/geom/Circle.js
+++ b/src/geom/Circle.js
@@ -67,7 +67,7 @@ Phaser.Circle.prototype = {
     * @method Phaser.Circle#setTo
     * @param {number} x - The x coordinate of the center of the circle.
     * @param {number} y - The y coordinate of the center of the circle.
-    * @param {number} diameter - The diameter of the circle in pixels.
+    * @param {number} diameter - The diameter of the circle.
     * @return {Circle} This circle object.
     */
     setTo: function (x, y, diameter) {