2013-10-03 01:38:35 +00:00
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "utf-8" >
< title > Phaser Source: utils/Color.js< / title >
<!-- [if lt IE 9]>
< script src = "//html5shiv.googlecode.com/svn/trunk/html5.js" > < / script >
<![endif]-->
< link type = "text/css" rel = "stylesheet" href = "styles/sunlight.default.css" >
< link type = "text/css" rel = "stylesheet" href = "styles/site.cerulean.css" >
< / head >
< body >
< div class = "container-fluid" >
< div class = "navbar navbar-fixed-top navbar-inverse" >
< div class = "navbar-inner" >
< a class = "brand" href = "index.html" > Phaser< / a >
< ul class = "nav" >
< li class = "dropdown" >
< a href = "namespaces.list.html" class = "dropdown-toggle" data-toggle = "dropdown" > Namespaces< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li >
< a href = "Phaser.html" > Phaser< / a >
< / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "classes.list.html" class = "dropdown-toggle" data-toggle = "dropdown" > Classes< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li >
< a href = "Phaser.Animation.html" > Animation< / a >
< / li >
< li >
< a href = "Phaser.AnimationManager.html" > AnimationManager< / a >
< / li >
< li >
< a href = "Phaser.AnimationParser.html" > AnimationParser< / a >
< / li >
2013-11-28 15:57:09 +00:00
< li >
< a href = "Phaser.BitmapData.html" > BitmapData< / a >
< / li >
2014-02-18 03:01:51 +00:00
< li >
< a href = "Phaser.BitmapFont.html" > BitmapFont< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.BitmapText.html" > BitmapText< / a >
< / li >
< li >
< a href = "Phaser.Button.html" > Button< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Cache.html" > Cache< / a >
< / li >
< li >
< a href = "Phaser.Camera.html" > Camera< / a >
< / li >
< li >
< a href = "Phaser.Canvas.html" > Canvas< / a >
< / li >
< li >
< a href = "Phaser.Circle.html" > Circle< / a >
< / li >
< li >
< a href = "Phaser.Color.html" > Color< / a >
< / li >
< li >
< a href = "Phaser.Device.html" > Device< / a >
< / li >
< li >
< a href = "Phaser.Easing.html" > Easing< / a >
< / li >
< li >
< a href = "Phaser.Easing.Back.html" > Back< / a >
< / li >
< li >
< a href = "Phaser.Easing.Bounce.html" > Bounce< / a >
< / li >
< li >
< a href = "Phaser.Easing.Circular.html" > Circular< / a >
< / li >
< li >
< a href = "Phaser.Easing.Cubic.html" > Cubic< / a >
< / li >
< li >
< a href = "Phaser.Easing.Elastic.html" > Elastic< / a >
< / li >
< li >
< a href = "Phaser.Easing.Exponential.html" > Exponential< / a >
< / li >
< li >
< a href = "Phaser.Easing.Linear.html" > Linear< / a >
< / li >
< li >
< a href = "Phaser.Easing.Quadratic.html" > Quadratic< / a >
< / li >
< li >
< a href = "Phaser.Easing.Quartic.html" > Quartic< / a >
< / li >
< li >
< a href = "Phaser.Easing.Quintic.html" > Quintic< / a >
< / li >
< li >
< a href = "Phaser.Easing.Sinusoidal.html" > Sinusoidal< / a >
< / li >
2014-02-18 03:01:51 +00:00
< li >
< a href = "Phaser.Ellipse.html" > Ellipse< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.Events.html" > Events< / a >
< / li >
2013-11-28 15:57:09 +00:00
< li >
< a href = "Phaser.Filter.html" > Filter< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Frame.html" > Frame< / a >
< / li >
< li >
< a href = "Phaser.FrameData.html" > FrameData< / a >
< / li >
< li >
< a href = "Phaser.Game.html" > Game< / a >
< / li >
2014-02-21 15:37:26 +00:00
< li >
< a href = "Phaser.GameObjectCreator.html" > GameObjectCreator< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.GameObjectFactory.html" > GameObjectFactory< / a >
< / li >
2014-02-05 06:29:17 +00:00
< li >
< a href = "Phaser.Gamepad.html" > Gamepad< / a >
< / li >
< li >
< a href = "Phaser.GamepadButton.html" > GamepadButton< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.Graphics.html" > Graphics< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Group.html" > Group< / a >
< / li >
2014-02-08 07:24:22 +00:00
< li >
< a href = "Phaser.Image.html" > Image< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Input.html" > Input< / a >
< / li >
< li >
< a href = "Phaser.InputHandler.html" > InputHandler< / a >
< / li >
< li >
< a href = "Phaser.Key.html" > Key< / a >
< / li >
< li >
< a href = "Phaser.Keyboard.html" > Keyboard< / a >
< / li >
2014-02-05 06:29:17 +00:00
< li >
< a href = "Phaser.Line.html" > Line< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.LinkedList.html" > LinkedList< / a >
< / li >
< li >
< a href = "Phaser.Loader.html" > Loader< / a >
< / li >
< li >
< a href = "Phaser.LoaderParser.html" > LoaderParser< / a >
< / li >
< li >
< a href = "Phaser.Math.html" > Math< / a >
< / li >
< li >
< a href = "Phaser.Mouse.html" > Mouse< / a >
< / li >
< li >
< a href = "Phaser.MSPointer.html" > MSPointer< / a >
< / li >
< li >
< a href = "Phaser.Net.html" > Net< / a >
< / li >
< li >
< a href = "Phaser.Particles.html" > Particles< / a >
< / li >
< li >
< a href = "Phaser.Particles.Arcade.Emitter.html" > Emitter< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.Physics.html" > Physics< / a >
< / li >
< li >
< a href = "Phaser.Physics.Arcade.html" > Arcade< / a >
< / li >
2014-02-21 15:37:26 +00:00
< li >
< a href = "Phaser.Physics.Body.html" > Body< / a >
< / li >
< li >
< a href = "Phaser.Physics.CollisionGroup.html" > CollisionGroup< / a >
< / li >
< li >
< a href = "Phaser.Physics.ContactMaterial.html" > ContactMaterial< / a >
< / li >
< li >
< a href = "Phaser.Physics.InversePointProxy.html" > InversePointProxy< / a >
< / li >
< li >
< a href = "Phaser.Physics.Material.html" > Material< / a >
< / li >
< li >
< a href = "Phaser.Physics.PointProxy.html" > PointProxy< / a >
< / li >
< li >
< a href = "Phaser.Physics.Spring.html" > Spring< / a >
< / li >
< li >
< a href = "Phaser.Physics.World.html" > World< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Plugin.html" > Plugin< / a >
< / li >
< li >
< a href = "Phaser.PluginManager.html" > PluginManager< / a >
< / li >
< li >
< a href = "Phaser.Point.html" > Point< / a >
< / li >
< li >
< a href = "Phaser.Pointer.html" > Pointer< / a >
< / li >
2013-11-07 06:10:15 +00:00
< li >
< a href = "Phaser.Polygon.html" > Polygon< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.RandomDataGenerator.html" > RandomDataGenerator< / a >
< / li >
< li >
< a href = "Phaser.Rectangle.html" > Rectangle< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.RenderTexture.html" > RenderTexture< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.RequestAnimationFrame.html" > RequestAnimationFrame< / a >
< / li >
< li >
< a href = "Phaser.Signal.html" > Signal< / a >
< / li >
2014-02-05 06:29:17 +00:00
< li >
< a href = "Phaser.SinglePad.html" > SinglePad< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Sound.html" > Sound< / a >
< / li >
< li >
< a href = "Phaser.SoundManager.html" > SoundManager< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.Sprite.html" > Sprite< / a >
< / li >
2014-02-18 03:01:51 +00:00
< li >
< a href = "Phaser.SpriteBatch.html" > SpriteBatch< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Stage.html" > Stage< / a >
< / li >
< li >
< a href = "Phaser.StageScaleMode.html" > StageScaleMode< / a >
< / li >
< li >
< a href = "Phaser.State.html" > State< / a >
< / li >
< li >
< a href = "Phaser.StateManager.html" > StateManager< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.Text.html" > Text< / a >
< / li >
2013-11-28 15:57:09 +00:00
< li >
< a href = "Phaser.Tile.html" > Tile< / a >
< / li >
< li >
< a href = "Phaser.Tilemap.html" > Tilemap< / a >
< / li >
< li >
< a href = "Phaser.TilemapLayer.html" > TilemapLayer< / a >
< / li >
< li >
< a href = "Phaser.TilemapParser.html" > TilemapParser< / a >
< / li >
< li >
< a href = "Phaser.Tileset.html" > Tileset< / a >
< / li >
2013-10-25 15:54:40 +00:00
< li >
< a href = "Phaser.TileSprite.html" > TileSprite< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Time.html" > Time< / a >
< / li >
2013-11-28 15:57:09 +00:00
< li >
< a href = "Phaser.Timer.html" > Timer< / a >
< / li >
2014-02-05 06:29:17 +00:00
< li >
< a href = "Phaser.TimerEvent.html" > TimerEvent< / a >
< / li >
2013-10-03 01:38:35 +00:00
< li >
< a href = "Phaser.Touch.html" > Touch< / a >
< / li >
< li >
< a href = "Phaser.Tween.html" > Tween< / a >
< / li >
< li >
< a href = "Phaser.TweenManager.html" > TweenManager< / a >
< / li >
< li >
< a href = "Phaser.Utils.html" > Utils< / a >
< / li >
< li >
< a href = "Phaser.Utils.Debug.html" > Debug< / a >
< / li >
< li >
< a href = "Phaser.World.html" > World< / a >
< / li >
< li >
< a href = "SignalBinding.html" > SignalBinding< / a >
< / li >
< / ul >
< / li >
2014-02-08 07:24:22 +00:00
< li class = "dropdown" >
< a href = "global.html" class = "dropdown-toggle" data-toggle = "dropdown" > Global< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li >
< a href = "global.html#canUseNewCanvasBlendModes" > canUseNewCanvasBlendModes< / a >
< / li >
2014-02-18 03:01:51 +00:00
< li >
< a href = "global.html#getBounds" > getBounds< / a >
< / li >
2014-02-08 07:24:22 +00:00
< li >
< a href = "global.html#getNextPowerOfTwo" > getNextPowerOfTwo< / a >
< / li >
< li >
< a href = "global.html#hex2rgb" > hex2rgb< / a >
< / li >
< li >
< a href = "global.html#hitTest" > hitTest< / a >
< / li >
< li >
< a href = "global.html#rgb2hex" > rgb2hex< / a >
< / li >
< / ul >
< / li >
2013-10-03 01:38:35 +00:00
< / ul >
< / div >
< / div >
< div class = "row-fluid" >
< div class = "span12" >
< div id = "main" >
< h1 class = "page-title" > Source: utils/Color.js< / h1 >
< section >
< article >
< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Richard Davey < rich@photonstorm.com>
2014-02-05 06:29:17 +00:00
* @copyright 2014 Photon Storm Ltd.
2013-10-03 01:38:35 +00:00
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A collection of methods useful for manipulating and comparing colors.
*
* @class Phaser.Color
*/
Phaser.Color = {
/**
* Given an alpha and 3 color values this will return an integer representation of it.
*
* @method Phaser.Color.getColor32
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} alpha - The Alpha value (between 0 and 255).
* @param {number} red - The Red channel value (between 0 and 255).
* @param {number} green - The Green channel value (between 0 and 255).
* @param {number} blue - The Blue channel value (between 0 and 255).
* @returns {number} A native color value integer (format: 0xAARRGGBB).
*/
getColor32: function (alpha, red, green, blue) {
return alpha < < 24 | red < < 16 | green < < 8 | blue;
},
/**
* Given 3 color values this will return an integer representation of it.
*
* @method Phaser.Color.getColor
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} red - The Red channel value (between 0 and 255).
* @param {number} green - The Green channel value (between 0 and 255).
* @param {number} blue - The Blue channel value (between 0 and 255).
* @returns {number} A native color value integer (format: 0xRRGGBB).
*/
getColor: function (red, green, blue) {
return red < < 16 | green < < 8 | blue;
},
/**
2013-11-28 15:57:09 +00:00
* Converts the given hex string into an integer color value.
2013-10-03 01:38:35 +00:00
*
* @method Phaser.Color.hexToRGB
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {string} h - The string hex color to convert.
2013-11-28 15:57:09 +00:00
* @returns {number} The rgb color value.
2013-10-03 01:38:35 +00:00
*/
hexToRGB: function (h) {
var hex16 = (h.charAt(0) == "#") ? h.substring(1, 7) : h;
2013-11-01 18:16:52 +00:00
2013-11-28 15:57:09 +00:00
if (hex16.length==3)
{
2013-11-01 18:16:52 +00:00
hex16 = hex16.charAt(0) + hex16.charAt(0) + hex16.charAt(1) + hex16.charAt(1) + hex16.charAt(2) + hex16.charAt(2);
}
2013-10-03 01:38:35 +00:00
var red = parseInt(hex16.substring(0, 2), 16);
var green = parseInt(hex16.substring(2, 4), 16);
var blue = parseInt(hex16.substring(4, 6), 16);
return red < < 16 | green < < 8 | blue;
},
/**
* Returns a string containing handy information about the given color including string hex value,
* RGB format information and HSL information. Each section starts on a newline, 3 lines in total.
*
* @method Phaser.Color.getColorInfo
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - A color value in the format 0xAARRGGBB.
* @returns {string} String containing the 3 lines of information.
*/
getColorInfo: function (color) {
var argb = Phaser.Color.getRGB(color);
var hsl = Phaser.Color.RGBtoHSV(color);
2013-11-28 15:57:09 +00:00
// Hex format
2013-10-03 01:38:35 +00:00
var result = Phaser.Color.RGBtoHexstring(color) + "\n";
2013-11-28 15:57:09 +00:00
// RGB format
2013-10-03 01:38:35 +00:00
result = result.concat("Alpha: " + argb.alpha + " Red: " + argb.red + " Green: " + argb.green + " Blue: " + argb.blue) + "\n";
2013-11-28 15:57:09 +00:00
// HSL info
2013-10-03 01:38:35 +00:00
result = result.concat("Hue: " + hsl.hue + " Saturation: " + hsl.saturation + " Lightnes: " + hsl.lightness);
return result;
},
/**
* Return a string representation of the color in the format 0xAARRGGBB.
*
* @method Phaser.Color.RGBtoHexstring
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - The color to get the string representation for
* @returns {string} A string of length 10 characters in the format 0xAARRGGBB
*/
RGBtoHexstring: function (color) {
var argb = Phaser.Color.getRGB(color);
return "0x" + Phaser.Color.colorToHexstring(argb.alpha) + Phaser.Color.colorToHexstring(argb.red) + Phaser.Color.colorToHexstring(argb.green) + Phaser.Color.colorToHexstring(argb.blue);
},
/**
* Return a string representation of the color in the format #RRGGBB.
*
* @method Phaser.Color.RGBtoWebstring
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - The color to get the string representation for.
* @returns {string} A string of length 10 characters in the format 0xAARRGGBB.
*/
RGBtoWebstring: function (color) {
var argb = Phaser.Color.getRGB(color);
return "#" + Phaser.Color.colorToHexstring(argb.red) + Phaser.Color.colorToHexstring(argb.green) + Phaser.Color.colorToHexstring(argb.blue);
},
/**
* Return a string containing a hex representation of the given color.
*
* @method Phaser.Color.colorToHexstring
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - The color channel to get the hex value for, must be a value between 0 and 255).
* @returns {string} A string of length 2 characters, i.e. 255 = FF, 0 = 00.
*/
colorToHexstring: function (color) {
var digits = "0123456789ABCDEF";
var lsd = color % 16;
var msd = (color - lsd) / 16;
var hexified = digits.charAt(msd) + digits.charAt(lsd);
return hexified;
},
/**
* Interpolates the two given colours based on the supplied step and currentStep properties.
* @method Phaser.Color.interpolateColor
2013-11-28 15:57:09 +00:00
* @static
* @param {number} color1 - The first color value.
* @param {number} color2 - The second color value.
* @param {number} steps - The number of steps to run the interpolation over.
* @param {number} currentStep - The currentStep value. If the interpolation will take 100 steps, a currentStep value of 50 would be half-way between the two.
* @param {number} alpha - The alpha of the returned color.
2013-10-03 01:38:35 +00:00
* @returns {number} The interpolated color value.
*/
interpolateColor: function (color1, color2, steps, currentStep, alpha) {
if (typeof alpha === "undefined") { alpha = 255; }
var src1 = Phaser.Color.getRGB(color1);
var src2 = Phaser.Color.getRGB(color2);
var r = (((src2.red - src1.red) * currentStep) / steps) + src1.red;
var g = (((src2.green - src1.green) * currentStep) / steps) + src1.green;
var b = (((src2.blue - src1.blue) * currentStep) / steps) + src1.blue;
return Phaser.Color.getColor32(alpha, r, g, b);
},
/**
* Interpolates the two given colours based on the supplied step and currentStep properties.
* @method Phaser.Color.interpolateColorWithRGB
2013-11-28 15:57:09 +00:00
* @static
* @param {number} color - The first color value.
* @param {number} r - The red color value, between 0 and 0xFF (255).
* @param {number} g - The green color value, between 0 and 0xFF (255).
* @param {number} b - The blue color value, between 0 and 0xFF (255).
* @param {number} steps - The number of steps to run the interpolation over.
* @param {number} currentStep - The currentStep value. If the interpolation will take 100 steps, a currentStep value of 50 would be half-way between the two.
2013-10-03 01:38:35 +00:00
* @returns {number} The interpolated color value.
*/
interpolateColorWithRGB: function (color, r, g, b, steps, currentStep) {
var src = Phaser.Color.getRGB(color);
var or = (((r - src.red) * currentStep) / steps) + src.red;
var og = (((g - src.green) * currentStep) / steps) + src.green;
var ob = (((b - src.blue) * currentStep) / steps) + src.blue;
return Phaser.Color.getColor(or, og, ob);
},
/**
* Interpolates the two given colours based on the supplied step and currentStep properties.
* @method Phaser.Color.interpolateRGB
2013-11-28 15:57:09 +00:00
* @static
* @param {number} r1 - The red color value, between 0 and 0xFF (255).
* @param {number} g1 - The green color value, between 0 and 0xFF (255).
* @param {number} b1 - The blue color value, between 0 and 0xFF (255).
* @param {number} r2 - The red color value, between 0 and 0xFF (255).
* @param {number} g2 - The green color value, between 0 and 0xFF (255).
* @param {number} b2 - The blue color value, between 0 and 0xFF (255).
* @param {number} steps - The number of steps to run the interpolation over.
* @param {number} currentStep - The currentStep value. If the interpolation will take 100 steps, a currentStep value of 50 would be half-way between the two.
2013-10-03 01:38:35 +00:00
* @returns {number} The interpolated color value.
*/
interpolateRGB: function (r1, g1, b1, r2, g2, b2, steps, currentStep) {
var r = (((r2 - r1) * currentStep) / steps) + r1;
var g = (((g2 - g1) * currentStep) / steps) + g1;
var b = (((b2 - b1) * currentStep) / steps) + b1;
return Phaser.Color.getColor(r, g, b);
},
/**
* Returns a random color value between black and white
2013-11-28 15:57:09 +00:00
* Set the min value to start each channel from the given offset.
* Set the max value to restrict the maximum color used per channel.
2013-10-03 01:38:35 +00:00
*
* @method Phaser.Color.getRandomColor
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} min - The lowest value to use for the color.
* @param {number} max - The highest value to use for the color.
* @param {number} alpha - The alpha value of the returning color (default 255 = fully opaque).
* @returns {number} 32-bit color value with alpha.
*/
getRandomColor: function (min, max, alpha) {
if (typeof min === "undefined") { min = 0; }
if (typeof max === "undefined") { max = 255; }
if (typeof alpha === "undefined") { alpha = 255; }
2013-11-28 15:57:09 +00:00
// Sanity checks
2013-10-03 01:38:35 +00:00
if (max > 255) {
return Phaser.Color.getColor(255, 255, 255);
}
if (min > max) {
return Phaser.Color.getColor(255, 255, 255);
}
var red = min + Math.round(Math.random() * (max - min));
var green = min + Math.round(Math.random() * (max - min));
var blue = min + Math.round(Math.random() * (max - min));
return Phaser.Color.getColor32(alpha, red, green, blue);
},
/**
* Return the component parts of a color as an Object with the properties alpha, red, green, blue
*
2013-11-28 15:57:09 +00:00
* Alpha will only be set if it exist in the given color (0xAARRGGBB)
2013-10-03 01:38:35 +00:00
*
* @method Phaser.Color.getRGB
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - Color in RGB (0xRRGGBB) or ARGB format (0xAARRGGBB).
* @returns {object} An Object with properties: alpha, red, green, blue.
*/
getRGB: function (color) {
return {
alpha: color >>> 24,
red: color >> 16 & 0xFF,
green: color >> 8 & 0xFF,
blue: color & 0xFF
};
},
/**
* Returns a CSS friendly string value from the given color.
* @method Phaser.Color.getWebRGB
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color
* @returns {string}A string in the format: 'rgba(r,g,b,a)'
*/
getWebRGB: function (color) {
var alpha = (color >>> 24) / 255;
var red = color >> 16 & 0xFF;
var green = color >> 8 & 0xFF;
var blue = color & 0xFF;
return 'rgba(' + red.toString() + ',' + green.toString() + ',' + blue.toString() + ',' + alpha.toString() + ')';
},
/**
* Given a native color value (in the format 0xAARRGGBB) this will return the Alpha component, as a value between 0 and 255.
*
* @method Phaser.Color.getAlpha
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - In the format 0xAARRGGBB.
* @returns {number} The Alpha component of the color, will be between 0 and 1 (0 being no Alpha (opaque), 1 full Alpha (transparent)).
*/
getAlpha: function (color) {
return color >>> 24;
},
/**
* Given a native color value (in the format 0xAARRGGBB) this will return the Alpha component as a value between 0 and 1.
*
* @method Phaser.Color.getAlphaFloat
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - In the format 0xAARRGGBB.
* @returns {number} The Alpha component of the color, will be between 0 and 1 (0 being no Alpha (opaque), 1 full Alpha (transparent)).
*/
getAlphaFloat: function (color) {
return (color >>> 24) / 255;
},
/**
* Given a native color value (in the format 0xAARRGGBB) this will return the Red component, as a value between 0 and 255.
*
* @method Phaser.Color.getRed
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color In the format 0xAARRGGBB.
* @returns {number} The Red component of the color, will be between 0 and 255 (0 being no color, 255 full Red).
*/
getRed: function (color) {
return color >> 16 & 0xFF;
},
/**
* Given a native color value (in the format 0xAARRGGBB) this will return the Green component, as a value between 0 and 255.
*
* @method Phaser.Color.getGreen
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - In the format 0xAARRGGBB.
* @returns {number} The Green component of the color, will be between 0 and 255 (0 being no color, 255 full Green).
*/
getGreen: function (color) {
return color >> 8 & 0xFF;
},
/**
* Given a native color value (in the format 0xAARRGGBB) this will return the Blue component, as a value between 0 and 255.
*
* @method Phaser.Color.getBlue
2013-11-28 15:57:09 +00:00
* @static
2013-10-03 01:38:35 +00:00
* @param {number} color - In the format 0xAARRGGBB.
* @returns {number} The Blue component of the color, will be between 0 and 255 (0 being no color, 255 full Blue).
*/
getBlue: function (color) {
return color & 0xFF;
}
2013-11-28 15:57:09 +00:00
2013-10-03 01:38:35 +00:00
};
< / pre >
< / article >
< / section >
< / div >
< div class = "clearfix" > < / div >
< footer >
< span class = "copyright" >
2014-02-05 06:29:17 +00:00
Phaser Copyright © 2012-2014 Photon Storm Ltd.
2013-10-03 01:38:35 +00:00
< / span >
< br / >
< span class = "jsdoc-message" >
2013-10-25 15:54:40 +00:00
Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 3.3.0-dev< / a >
2014-02-21 15:37:26 +00:00
on Fri Feb 21 2014 15:36:21 GMT-0000 (GMT) using the < a href = "https://github.com/terryweiss/docstrap" > DocStrap template< / a > .
2013-10-03 01:38:35 +00:00
< / span >
< / footer >
< / div >
< br clear = "both" >
< / div >
< / div >
< script src = "scripts/sunlight.js" > < / script >
< script src = "scripts/sunlight.javascript.js" > < / script >
< script src = "scripts/sunlight-plugin.doclinks.js" > < / script >
< script src = "scripts/sunlight-plugin.linenumbers.js" > < / script >
< script src = "scripts/sunlight-plugin.menu.js" > < / script >
< script src = "scripts/jquery.min.js" > < / script >
< script src = "scripts/jquery.scrollTo.js" > < / script >
< script src = "scripts/jquery.localScroll.js" > < / script >
< script src = "scripts/bootstrap-dropdown.js" > < / script >
< script src = "scripts/toc.js" > < / script >
< script > Sunlight . highlightAll ( { lineNumbers : true , showMenu : true , enableDoclinks : true } ) ; < / script >
< script >
$( function () {
$( "#toc" ).toc( {
selectors : "h1,h2,h3,h4",
showAndHide : false,
scrollTo : 60
} );
$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
} );
< / script >
< / body >
< / html >
