CHANGELOG.md

Version History

9.0.0 (WIP)

• Audio : Howler audio core update (2.2.1)
• Core : melonJS build process now automatically output one ES5 umd bundle, and one pure ES6 module
• Core : the "legacy" es5 umd bundle is now automatically transpiled (from ES6 to ES5) using rollup and buble
• Core : me.Stage constructor now accept new argument properties to specify the onResetEvent and onDestroyEvent functions
• Tiled : add TMX tintcolor parsing for tile and object layers

8.0.1 (12 Aug 2020)

• release fix for NPM & jsDeliver

8.0.0 (12 Aug 2020)

• Audio : audio core update (2.2.0)
• Audio : me.audio.stop() will now stop all sounds if none is specified
• Color : new lerp() method to provide linear interpolation between two different colors
• Color : allow specifying minimum and maximum value range when generating random colors
• Core : new me.event.VIDEO_INIT system event that will be triggered once the display canvas is initialized
• Core : a default stage is now instantiated at boot time, allowing to more easily write basic examples to test features
• Input : improved input detection when the canvas is embedded into a complex css layout and the page is being scrolled up/down
• Input : Changed the device accelerometer and orientation detection to comply with the latest API changes where a user permission is now required
• Input : fix an issue with uncorrect horizontal delta value for wheel event
• Input : all registered events for a specific renderable are now automatically released upon the object destruction
• Physic : me.game.world is now a specific container (based on me.Container) that will hold and manage all related physic updates
• Physic : gravity for physic bodies is now defined globally under me.game.world.gravity, and can be scaled individually using me.Body.gravityScale
• Physic : added a rotate method to me.Body to allow rotating all the body shapes properly (by default around the body bounding box center)
• Physic : melonJS will now automatically enable body physic when when a me.Body object is added to any renderable
• Renderable : add support for free-texture-packer (http://free-tex-packer.com), the free Texture Packer alternative (thanks @PLAYERKILLERS)
• Renderable : optimized and tidied up me.Text and me.BitmapText implementation
• Renderable : new isFlippedX & isFlippedY getter to check the current renderable "flip" state
• Renderable : fix implementation and usage of the isDirty flag across Renderables
• Renderable : fix a regression with transformation when a renderable is directly added to a me.Container object
• Renderable : apply a tint color to BitmapText if a fillStyle is specified in the constructor
• Renderer : new optional parameter for createCanvas() to request an OffScreenCanvas if supported by the browser
• Renderer : use OffscreenCanvas by default for all secondary canvas (e.g. debugPanel, double buffering, font texture in WebGL)
• Renderer : properly fallback to the Canvas Renderer including when the WebGL renderer is not able to compile the built-in shaders
• Renderer : dynamically activate WebGL texture sampler instead of pre-indexing them (accordingly to GLSL 1.30 specifications and later)
• Renderer : added support for WebGL2 (disabled by default, use preferWebGL1 = false to enable it when calling me.video.init)
• Renderer : enable use of NPOT textures when in WebGL2 mode for texture mapping and pattern drawing
• Renderer : allow specifying the default powerPreference value for the WebGL Renderer (on Safari and Chrome 80+ default is now low-power)
• Renderer : display GPU information in the console when available (WebGL)
• Renderer : implemented sprite tint support for the Canvas Renderer
• Shapes : vectors and shapes can now be rotated around a given (optional) point instead of the default origin point
• Shapes : added a center vector property for me.Rect, giving the center point of the rectangle
• TMX : fix parsing of tileset image when the "last" tile spacing was truncated
• TMX : fix staggered map rendering, where computed tiles coordinates were non integer values (thanks @siauderman)
• TMX : fix parsing of animated tile with the latest version of Tiled (thanks @alcor)
• TMX : fix anti-diagonal tile flipping (thanks @alcor)
• TMX : fix world bounds not being updated if a level is added manually using addTo (thanks @siauderman)
• Video : fix an issue when using the "flex" scaling mode, and where the reported parent container size could be floating values
• Video : the scale parameter is now optional if scaleMethod is specified (auto-scaling will then automatically be enabled)

7.1.1 (20 Aug 2019)

• Core : fix a crash when a game reset is triggered manually before any default stage has been defined
• Core : new option to automatically change to a newly define stage
• Input : fixed a regression with gamepad polling
• Renderer : fixed an issue where a failed attempt at creating a WebGL context would then prevent from creating a canvas context as fallback

7.1.0 (16 Jul 2019)

• Audio : audio core update (2.1.2) to fix audio unlock on Firefox 66 and onwards
• Core : new me.event.GAME_UPDATE system event that will be triggered at the beginning of the update loop
• Core : me.game.HASH is deprecated and replaced by the me.utils.getUriFragment() function
• Debug : fixed DebugPanel minimum version requirements (should have been 7.0 since last release)
• Font : fix an issue with setText wrongly converting a given array of string to a string representing the array
• Input : use passive event listeners when preventDefault is used (default behaviour)
• Input : simplified pointer / keyboard / gamepad implementation and removed support for legacy API (e.g. mousewheel event)
• Input : added a new getBindingKey() method that returns the associated action to a given key
• Input : exposed default targets for Keyboard and Pointer events under me.input
• Physic : fix an issue where gravity was not properly applied on the x axis
• Renderer : fix fill and stroke operations for arc and ellipse in the Canvas Renderer
• Renderer : added missing fill and stroke operations for arc in WebGL mode
• Renderer : align the canvas renderer with the WebGL renderer to properly use CSS scaling
• Sprite : new rotate method as a shortcut to apply a rotation transform to the sprite
• TMX : fixed parsing of string custom properties containing newline(s)
• TMX : use the offsetx/offsety properties when parsing ImageLayer data over the deprecated x/y ones
• TMX : add support for Staggered Isometric maps
• TMX : fix rendering of Staggered Hexagonal maps
• TMX : fix pointer position detection on Hexagonal maps (was slightly off previously)

7.0.0 (26 Mar 2019)

• General : new "grunt-free" build process based on npm, rollup & friends
• Core : removed support for CocoonJS (following service shutdown)
• Core : simplified error/exception handling by removing the custom me.Error class
• Input : removed obsolete support for proprietary windows 8 accelerometer API (not a thing anymore)
• Input : fixed potential issue with hardware not reporting proper event geometry
• Input : improved pointer detection when using complex css layouts
• Math : prevent recalculating edges and normals when resizing a rectangle shape with the same width and height values
• Renderer : renderer selection now set to AUTO by default (Attempt WebGL first, with fallback to Canvas)
• Timer : added arguments passing to setTimeout and setInterval
• TMX : fixed temporary vectors recycling in the hexagonal map renderer
• WebGL : shader implementation has been rewritten to allow for a more generic approach, and ease definition of custom shader (see me.GLShader)
• WebGL : properly handle WebGL context lost and restore
• WebGL : updated earcut to version 2.1.5

6.4.0 (18 Feb 2019)

• Documentation : new documentation format, including a search feature
• Math : new PI related constants under me.Math (TAU, ETA, etc..)
• Renderable : added a basic color tint feature (WebGL mode only)
• Renderable : added support for Texture Packer multipack textures
• Renderable : moved the name property definition at the me.Renderable level (prevent mostly all deriving objects from re-defining one)
• Renderable : fixed an issue where a non Boolean value was passed to the onVisibilityChange callback
• Sprite : cleaned up/simplified animation data handling
• TMX : small memory optimization in the isometric renderer, where one temporary vector object was not properly recycled
• Renderer : fixed stroke and fill default color to match standard W3C canvas stroke and fill style (black)

6.3.0 (24 Dec 2018)

• Audio : audio core update (2.1.1), mostly improve auto audio unlock on latest (non-mobile) browser versions
• Color : fixed alpha value not being properly clamped (leading to issue in WebGL mode when passing the glArray buffer)
• Debug : fixed wrong bounding box drawing position for nested containers and entity childs
• Entity : fixed ancestor value for renderable component
• Renderable : added support for rendering mask (in both Canvas and WebGL mode), allowing to use any me.Shape object as a mask
• Renderer : drawShape() is deprecated and has been replaced by a fill() and stroke() methods
• Renderer : cleaned and aligned drawing APIs between the Canvas and WebGL Renderer
• WebGLRenderer : added stroke and fill operations for all me.Shape objects
• WebGLRenderer : fillRect() now use newly added fill method, instead of creating/using a fill texture
• WebGLRenderer : optimized memory usage for shape drawing operations
• WebGLRenderer : enable batching of triangle vertices to speed up shape drawing (when applicable)
• WebGLRenderer : fixed a clipping issue with nested containers
• WebGLRenderer : fixed the clearRect method

6.2.0 (29 Nov 2018)

• Audio : fixed a regression when passing an initial volume value to the play function (thanks @PLAYERKILLERS)
• Container : new getNextChild function that returns the next child within the container
• Core : renamed me.ScreenObject to me.Stage (with an alias to me.ScreenObject for Backward compatibility)
• Core : cleaned and improved the window auto focus feature
• Core : improve automatic object instance collection & recycling of base components like vectors and shapes.
• Core : ensure the internal coordinates system is updated when the DOM tree structure is modified
• Camera : me.Camera2d objects can now be defined per Stage, rather than having one static global camera under me.game
• Camera : fix infinite generation of the VIEWPORT_ONCHANGE event when using camera damping
• Device : added a me.device.focus() function
• Entity : fix "DRAGEND" event triggering for Draggable Entity, when pointer is moved outside of the screen area
• Entity : fix a regression introduced in 6.0 on optional me.Entity constructor parameters
• Font : fix bounds calculation for BitmapFont objects
• Font : enable Font & BitmapFont bounding box drawing through the Debug Panel
• Font : fix missing documentation on properties for BitmapFont Object.
• Font : Font & BitmapFont objects can now be directly added to a container like any other me.Renderable
• Font : Improved performances when drawing regular me.Font objects
• Font : new me.Text and me.BitmapText generic object replacing me.Font and me.BitmapFont (now deprecated)
• Input : fix a potential issue with "undefined" pointer location upon loading
• Loader : added support for Font Face preloading
• Math : new toBeCloseTo function to determine if two values are closed "enough" to eachother
• Renderable : new onVisibilityChange event handler that is called when leaving or entering a camera viewport
• Renderable : fix documentation for the container clipping flag (was accidentally left private)
• Renderable : update visibility flag for floating objects using actual screen coordinates
• Sprite : fix an issue when flipping trimmed sprite textures (@YosuaHamonangan)
• TMX : add support for orthogonal tile rendering order
• TMX : add support for Text object, allowing to add me.Text or me.BitmapText directly from Tiled
• TMX : optimized the getTile function to avoid duplicate calls to the pixel to tile coordinates functions
• WebGLRenderer : fix a bug when clipping is disabled due to the clipping area being equal to the canvas size

## 6.1.0 (11 Sep 2018)

• Audio : latest audio core update (2.0.15)
• Core : new linux detection flag under me.device
• Renderer : now systematically warn when using non POT texture in both Canvas and WebGL mode
• Sprite : new function to allow reversing a given or current animation
• TMX : support for the Tiled 1.2 beta JSON property format (backward compatible with previous 1.1 version)
• CanvasRenderer : fix drawImage sub-pixel rendering in Canvas mode when using the short notation (2 or 4 parameters)
• WebGLRenderer : only throw an exception (e.g. stop execution) when using repeat/wrap mode with a non POT texture
• WebGLRenderer : properly fallback to Canvas mode in AUTO and WEBGL mode when failing at creating a valid WebGL Context

6.0.0 (13 Aug 2018)

• Audio : latest audio core update to fix HTML5 Audio issue with FB Instant Games, and Chrome API deprecation
• Camera : renamed me.Viewport to me.Camera2d and move it to its own folder
• Container : new clipping feature to automatically clip childrens to their parent container bounds (disable by default)
• Core : Removed unnecessary ES6 polyfill (based on melonJS 5.x minimum browser version)
• Core : API update to sandbox all previous language extension under the me namespace
• Core : added console debug information (melonJS version & basic device capabilities)
• Core : properly support (requires the official weapp-adapter) WeChat Mini Games (@qinchunren)
• Color : fix the me.Color.toHex8() function
• Debug : fix "undefined width error" when instantiating the debug panel
• Font : fix a regression where drawing a web font was not restoring the renderer context properly
• Input : fix an issue where the focus was sometimes lost when using an integrated WebView (e.g. Instant Games)
• Loader : new loader feature to allow preloading of javascript files
• Math : new vector linear interpolation functions
• Math : new equals function for me.Rect shape
• Physic : avoid duplicating the given collision shape through addShape, and directly use the object references
• Physic : gravity property for solid bodies is now a vector object, allowing to defined gravity for both axis
• Physic : new mass property for solid bodies
• Physic : new me.Body.force property allowing to automatically apply a force or acceleration to a solid body
• Physic : me.Body.accel and me.Body.setVelocity are now deprecated and to be replaced by me.Body.force
• Physic : automatically apply any defined physic properties when importing a physic editor JSON file
• Renderable : fix onComplete not being called for me.Sprite single animation frame (@Adrian)
• Renderable : fix animation not cycling when using GUI_Object(s)
• Renderable : fix a regression in Sprite when using Texture Packer
• Renderable : fix floating renderable's bounds following its parent container position (@YosuaHamonangan)
• Renderable : fix a potential parameter mismatch in me.Sprite for an animation onComplete callback
• Renderer : use prefixed "image-rendering" CSS properties for non standard browsers
• Renderer : new clipRect function to clip the specified rectangle area
• TMX : allows different tile size per layer (not supported by Tiled, only works with "manually" generated maps) (@YosuaHamonangan)
• TMX : optimised object allocation to lower memory usage (and later GC) when loading a level
• Viewport : new damping feature to enable smooth camera movement
• WebGLRenderer : enable failIfMajorPerformanceCaveat by default when attempting to create a GL Context
• WebGLRenderer : feature to change the blending mode (experimental and limited to "normal" and "multiply" for now)
• WebGLRenderer : fix a deprecation warning in Firefox

5.1.0 (21 Jan 2018)

• Audio : Howler core update (2.0.8)
• Core : window.onReady is now marked as deprecated, and replaced by me.device.onReady
• Container : new onChildChange callback for when a child is added or removed
• Input : further improvements to multitouch support (compatibility on latest device/browser)
• Input : new me.input.setTouchAction function to enable/disable gesture by default (default to "none")
• Input : fix a pointer offset issue when using the browser zoom
• Loader : new "withCredentials" setting to specify if cross-site Access-Control requests should be made using credentials
• Physic : new me.collision.rayCast function for basic Line of Sight implementation
• Physic : slight me.Body refactoring to allow adding a physic body to any base me.Renderable
• Physic : new bounce property for solid bodies
• Renderable : isKinematic is now true by default except for me.Entity, me.Container and me.GUI object
• Renderable : anchor point and transform are now properly applied to me.Sprite Bounding Rect
• TMX : add support for "Collection of Image" tilesets
• Viewport : apply current transformation when converting given coordinates from localToWorld and WorldToLocal
• Viewport : fix a regression where transforms were not applied anymore to the camera/viewport

5.0.1 (3 Dec 2017)

• Input : fix a regression with bindPointer
• Loader : fix the progressBar position when resizing the screen

5.0.0 (1 Dec 2017)

• Audio : Howler core update (2.0.5)
• Audio : added a function to check if audio is muted globally
• Core : fix fullscreen detection when not set on the main canvas
• Core : remove obsolete ES5 shim (it's 2017, update your browser!)
• Core : updated orientation detection, based on the new (draft) Orientation API
• Debug : fixed debug panel toggle features, and automatically display the toggle key
• Geometry : new specific values can be returned through the callback for Observable Vectors
• Input : fix a bug where the gamepad axes may not trigger KEYUP events
• Input : remove deprecated argument type for me.input.bindGamepad()
• Input : remove deprecated mousewheel event
• Input : remove deprecated MS prefixed Pointer Event
• Input : standardize Event.button value and usage across all input models
• Input : me.input.preventDefault now correctly define the default action for pointer events
• Input : fix potential multitouch issues on "hybrid" browsers supporting both TouchEvent and PointerEvent
• Renderable : properly apply transformation and anchor for all me.Renderable objects
• Renderable : move flipX/flipY to me.Renderable, and remove deprecation warning
• Renderable : new isKinematic property allowing to opt-out from collision and input events
• Renderable : slightly refactored me.ColorLayer and exposed its me.Color property
• TMX : added support for layer grouping (Tiled 1.0.0)
• Viewport : added a method to unfollow the current target

4.1.1 (28 Feb 2017)

• Core : fixed a bug in Number.prototype.round()
• Core : throw an exception when attempting to add an invalid state in me.state.set()
• Core : fixed falling and jumping flags on me.Body when gravity is reversed
• Geometry : fixed a bug in me.Vector3d.abs()
• Geometry : added a new me.Matrix2d.multiplyVectorInverse() method
• Pointer : fixed touchstart events
• Pointer : replaced non-standard mousewheel with W3C standard wheel events
• Pointer : fixed duplicate wheel events

4.1.0 (16 Jan 2017)

• Audio : updated to latest Howler 2.0.2 (WebAudio resume/seek fixes, and IE related security issues)
• Audio : added a me.audio.seek function, to change or get the current position of a specific audio clip
• Core : throw an error message when registering a non valid object in the object pool (i.e. undefined class)
• Loader : added the possibility to configure path (baseUrl) by asset types.
• Loader : added a 'crossOrigin' option to enable/allow cross-origin image loading for WebGL
• Loader : fixed an issue where callbacks were randomly fired twice when refreshing the page (krojew)
• Loader : reduced memory usage (reduced overlay size for the logo, and prevent from creating the Font overlay in WebGL)
• Particles : fixed a (huge) performance regression with particle generation / handling
• Pointer: fixed bug where a device allowing both mouse & touch events would only emit touch events.
• Pointer: fixed a regression with multi-touch event detection on iOS & Android
• Pointer: fixed a regression with callback handling & cleaning in the releasePointerEvent function
• Renderable : fixed a regression in me.Sprite.isCurrentAnimation()
• TMX : TMX maps and renderers are now fully contained in their own space, and do no pollute me.game anymore
• TMX : exposed the TMX renderers API and related utility functions to convert tile to/from pixel coordinates
• TMX : improved API to manage isometric map & coordinates (e.g. vector and shape conversion)
• TMX : added a simple isometric "tile selector" in the isometric map example
• TMX : me.Layer.getTile() will now return null if there is no corresponding tile, instead of throwing an exception
• TMX : added a getRenderer() function to me.Layer that returns the layer TMX renderer.
• Viewport : added the possibility to define a global transformation to the viewport
• WebGLRenderer : now properly complain when using NPOT textures, and throw an exception for repetitive ones
• WebGLRenderer : does not create anymore a default overlay for me.Font drawing, unless required (reminder: me.Font+WebGL = Bad!)

4.0.0 (29 Nov 2016)

• Audio : updated to the latest Howler 2.0.1 version
• Container : added a 'forEach' function that allows to iterate through all children
• Core : largely improved and completed the matrix implementation and usage
• Core : Object.assign polyfill update
• Core : various improvements and fixes to jasmine test units
• Debug : fixed the debug panel display when using the WebGL renderer
• Font : added true support for bitmap font generated out of true type fonts (e.g. Littera, bmfont, bmglypgh, etc...)
• Particles : reduced creation/use of temporary (vector) objects
• Pointer : fixed bug with Chrome on Windows touch devices where touch input would register, but mouse input would not. (credit to BrianRosamilia)
• Pointer : PointerEvent detection is now fully W3C compliant
• Pointer : automaticaly free any defined region if there is no callback left
• Renderable : added a new currentTransform property that defines the renderable transformation matrix
• Renderable : transformations can now be automatically applied through the autoTransform flag (off by default for user-defined objects)
• Renderable : me.AnimationSheet has been merged into me.Sprite (me.AnimationSheet is now only an alias), and rendering function simplified
• Renderable : fixed image layer first update, when added to a child container (and not directly the root one)
• Renderer : simplified/aligned both the Canvas and WebGL renderer API in a more WebGL fashion
• Renderer : added a subPixel rendering option (off by default)
• Shapes : polygon based shapes can now be freely transformed, and bounding box will be resized accordingly
• TMX : scaling and rotation can now be applied to a tilemap (see me.levelDirector.loadLevel() for example)
• TMX : fixed some issues when loading TMX level into a child container.
• WebGLRenderer : fixed the currentColor alpha not taking in account the "globalAlpha" (now better match canvas renderer)

3.1.0 (17 May 2016)

• Audio : exposed a me.audio.rate function to allow modifying the playback rate of the specified audio clip.
• Audio : added back the possibility to stream audio elements (through the stream flag when defining audio assets)
• Camera : use the alpha component of the given color as the threshold for fading effect
• Color : normalized support for #RGBA and #RRGGBBAA formats (to match CSS standard)
• Core : added a me.game.updateFrameRate function to change the renderer framerate at runtime
• Core : simplified the "startup" functions to allow for shorter initialization code (see boilerplate)
• Core : removed previous Ejecta "hacks" (requires the latest Ejecta 2.1/development version)
• Documentation : various fixes and missing items added (e.g me.Object that was missing)
• Debug : debug panel(s) now automatically register themselves upon loading (see boilerplate)
• Input : added support for gamepad analogue axis binding
• Input : fixed a regression with pointer events not firing with "floating" regions (@thedrumchannell)
• Particles : fixed a crash when removing a particle emmiter during a level change/reset
• Renderable : fixed missing onDestroyEvent function when adding basic renderables to the game world.
• Renderable : fixed Sprite objects initialization when using a string argument for "image" (@trevorjwilliams)
• TMX : added support for JSON-format external tilesets
• TMX : fixed the clearTile function when using preRender and the WebGL renderer
• TMX : fixed prerender on browsers that support Canvas2DContextAttributes.alpha
• TMX : disabled animated tiles when using the prerender mode (these two are not compatible)
• TMX : fixed a regression with Tile property parsing
• TMX : fixed a regression with level loading when no tilesets are defined.
• TMX : fixed decoding of maps using CSV data format (in Tiled) and exported to JSON
• TMX : added support for typed custom properties (Tiled 0.16)
• WebGLRenderer : added a workaround for Safari resetting WebGL attributes bindings (see #783)

3.0.1 (23 Feb 2016)

• Core : fixed/improved compatibility with Ejecta (e.g. initialization, CAFF support)
• Input : actually really truly fix pointer event z-ordering, finally

3.0.0 (3 Nov 2015)

• Audio : updated to the latest Howler v2.0.0 beta version
• Audio : added a me.audio.resume function for added convenience (was already possible by calling back me.audio.play)
• Container : added an autoDepth feature that auto-increments a child's z-coordinate when inserted
• Color : add support for the #ARGB and #AARRGGBB formats
• Core : renamed Object.extend to me.Object.extend (fixes conflicts with FaceBook SDK and underscore/lodash) (@jdrorrer)
• Core : plugins are now registered to me.plugins to prevent collisions within the me.plugin namespace
• Core : replaced String.contains by its ES6 equivalent: String.includes
• Core : replaced Number.sign by its ES6 equivalentL Math.sign
• Core : me.game.currentLevel has been removed in favor of accessing objects through me.game.world -- added me.LevelDirector.getCurrentLevel() as a stop-gap
• Core : added me.sys.updatesPerSecond to configure updating less often than drawing (@Giwayume)
• Entity : new positioning method, where the renderable is positioned according to its anchor and the Entity's body anchor (@Giwayume)
• Examples : added an example showing how to build a basic menu (with a panel, checkboxes and buttons)
• Font : fixed font height not being set when specifying a CSS Unit for the size
• Font : added basic CSS Unit conversion from ‘pt’,’ex’,’em’ to ‘px’ (these are approximation and not guaranteed accurate)
• General : the release build files are no longer versioned; this replaces the old style "melonJS-x.x.x.js" file naming convention with just "melonJS.js"
• Geometry : added a new me.Vector3d and me.ObservableVector3d class
• Geometry : removed reverse method from Vector classes; use negateSelf instead
• Geometry : removed reflect and reflectN methods from Vector classes
• Geometry : fixed floor and floorSelf methods on Vector classes with negative values
• Geometry : fixed angle method on Vector classes
• LevelDirector : level loading is now asynchronous; for sequential behavior, use the LEVEL_LOADED event or new onLoaded callback
• LevelDirector : added an options argument to the loading method; for specifying a target container, callback, and whether to merge (flatten) object groups
• Input : renamed last remaining mouse-related objects : me.input.mouse => me.input.pointer, me.event.MOVEMOVE => me.event.POINTERMOVE
• Input : added HTML5 Gamepad API support, with button and axis remapping
• Input : optimised pointer detection using the quadtree
• Input : now properly respect object z ordering when firing pointer events
• Input : fixed event detection on items in a nested container
• Renderable : prevent position vector re-allocation when pooling renderable objects
• Renderable : renderables are now using a 3d Vector for position, using the z axis for layer ordering.
• Renderable : fixed a distortion issue when scaling and rotating sprites (@Giwayume)
• Renderable : fixed frame position when using cropping in TexturePacker (@Giwayume)
• Renderable : anchorPoints now defines the renderable position, scaling and rotation default origin point (@Giwayume)
• Renderable : better animation definition, allowing to set the animation delay on a per-frame basis
• Renderable : added anchorPoint setting to the constructor
• Renderer : added renderer.createPattern() and renderer.drawPattern()
• Shapes : added support for the free Physic Body Editor tool (in addition to the existing PhysicsEditor support)
• Shapes : refactored me.Rect to inherit from me.Polygon
• Texture : added support for per-frame pivot points in animations (@Giwayume)
• TMX : added hexagonal map support (@matthewmmorrow)
• TMX : optimized all renderers to be more GC friendly (using the pooling system for temporary objects)
• TMX : refactored the me.TMXTileMap object, so that it can be used to easily add level into a container object
• TMX : me.ImageLayer is now drawn relative to the viewport boundary, and can be anchored appropriately
• TMX : internally normalizes XML into the same JSON format supported by Tiled; cleans up many compatibility functions and removes several fallback cases
• TMX : removed me.TMXTileMap.moveToCenter and me.TMXTileMap.reset methods
• TMX : added support for per-frame animation delay to Tiled Objects (for tileset animations)
• TMX : added support for layer data encoding in JSON map format (Tiled 0.13)
• TMX : added support for evaluations in TMX data; see spike entities in the platformer for a useful example
• TMX : fixed an isometric rendering bug with odd tile heights
• TMX : throw an error message when using map exported in XML (deprecated in Tiled 0.15)
• TMX : allow to parse the backgroundcolor attribute as formatted in Tiled 0.15 (#AARRGGBB)
• TMX : use the new columns property (if available) when parsing maps (Tiled 0.15)
• TMX : fixed a regression in AD tile rotation (squares tiles only)
• Video : optimized ImageLayer repeat modes (repeat modes require power-of-two sized images for WebGL)
• Video : added fill-min and flex scaling modes
• Video : animations are now able to skip frames for low FPS devices and high-speed animations
• WebGLRenderer : added a repeat parameter to createTexture method

2.1.4 (9 Sep 2015)

• Audio : fixed the audio-enable workaround on iOS9
• Tween : fixed potential re-initialization issues when recycling tween objects.

2.1.3 (26 Jul 2015)

• Audio : fixed an issue with decoding audio data on Opera
• Audio : updated to the latest 2.0 Howler beta (fixes a loop issue on Chrome mobile, and touch event for iOS playback)
• Core : fixed an exception in the Map polyfill
• Documentation : added docs for the Renderer interface, including the beta WebGLRenderer and shader
• Particles : fix an exception in me.ParticleContainer (introduced in 2.1.2)
• TMX : fixed TMXLayer opacity when preRender is enabled
• TMX : fixed ImageLayer opacity
• Video : fixed a regression where me.device.getPixelRatio() no longer works when called before me.video.init() (introduced in 2.1.0)
• WebGLRenderer : fixed a bug that causes a compile failure with the quad fragment shader on a small number of platforms

2.1.2 (9 Jul 2015)

• LevelDirector : do not replace Tile Object's renderable
• Renderable : fixed renderable bounds initialization with object pooling

2.1.1 (6 Jun 2015)

• Container : fixed child bounds when manipulating the container position.
• Core : fixed a regression when using the pooling system with renderables.
• Examples : fixed conditional debugPanel loading in cocoonJS
• Font : fixed the drawStroke function (@zoiba)
• Input : fixed an uncaught exception with the 'maxTouchPoints' polyfill under Chrome 43+
• Input : fixed/improved pointerEvent and pointerLeave event bindings for the sample GUI Object
• Loader : throw an exception indicating to use JSON if XML parsing is not supported by the browser/platform

2.1.0 (8 May 2015)

• Audio & Loader : file/clip names passed to various methods are now case sensitive. Removed uses of toLowerCase on variables.
• Audio : properly dispose of audio resources when using cocoonJS
• Container : getChildByProp and friends now accepts a RegExp for value matching
• Color : added high-precision color transformation for me.Color
• Core : added me.pool.exists (@xorinzor)
• Core : fixed collision detection with nested Containers
• Core : added me.game.HASH to pass key-value options in the URL
• Core : now uses only case-sensitive string matching; DoN't MiX cAsE!
• Device : added browser language detection
• Entity : entity bodies now have a default shape if not overridden by the entity constructor.
• Entity : renderables are now positioned relative to the body bounds
• Font : updated me.Font to work with me.Color (@xorinzor)
• Font : updated the me.Font api to be consistent with me.BitmapFont and the Renderer class
• Font : added support for WebGL (using me.Font is however not recommended for performances reason)
• Input : added support for pointerenter and pointerleave events (@TheManuz)
• Input : allow regions to be any shape when registering pointer event, and not just me.Rect
• Input : releasePointerEvent now accepts an optional extra argument that references "which callback" to release
• Particles : fixed angle variation and speed variation in me.ParticleEmitter
• Renderable : normalized constructors for me.Sprite and me.AnimationSheet (see the wiki upgrade guide)
• Renderable : removed hWidth and hHeight properties
• Shapes : added basic support for the PhysicsEditor tool (mainly shapes definition)
• Texture : added support for the WebGL Renderer
• Texture : texture atlas can now be created using a “standard” sprite sheet
• Texture : me.TextureAtlas has been renamed to me.video.renderer.Texture
• TMX : added parsing of the new id (unique ID) property for objects (Tiled 0.11.0)
• TMX : fixed horizontal, vertical and antidiagonal flipping for tile objects
• TMX : remove deprecated "transparency color" - use PNG images with alpha channel instead
• Video : refactored the me.video.init to be more flexible in terms of mandatory/optional arguments
• Video : turn canvas transparency off by default; can be enabled by passing options.transparent = true to me.video.init()
• Video : renderers are now classes that can be instantiated with new me.CanvasRenderer and new me.WebGLRenderer
• Video : added support for the image-rendering CSS property standard "pixelated" value
• Video : added new scaleMethod option : fit, fill-max, flex-height, flex-width, and stretch; replaces old maintainAspectRatio flag (@Djokal)

2.0.2 (15 Dec 2014)

• Audio : automatically cleanup onend callbacks in me.audio.play
• Audio : me.audio.play now applies the loop, onend, and volume properties only to the expected sound instance ID
• Audio : fix me.audio.unmute()
• Audio : updated to the latest Howler 2.0 build (various fixes and improvements)
• Audio : added instance_id parameter to mute and unmute methods
• Audio : updated documentation
• CanvasRenderer : fixed an issue/regression with the globalAlpha functions
• Core : fixed collision detection between me.Ellipse (circle) and me.Line shapes
• Core : fixed renderable positioning with nested me.Container objects
• Core : fixed an uncaught exception in IE9 with Float32Array
• Documentation : fixed anchor positioning
• Documentation : added anchor target highlighting
• Documentation : fixes in me.Font, me.BitmapFont, and me.Entity
• Entity : removed me.ObjectSettings
• Font : fixed globalAlpha not being set when using me.Font.setOpacity()
• TMX : fixed an uncaught exception when loading a map with an empty object layer (thanks @Tiagojdferreira)

2.0.1 (28 Nov 2014)

• Core : fixed loading under CocoonJS when using Canvas+
• Shapes : replaced the isometric magic numbers used for scaling, by proper and more accurate math constants (ldd)
• Audio : fixed sound looping
• Audio : fixed onend callback not being repeatedly fired when looping a sound
• Audio : cleaned the onend callback when stopping a sound
• Audio : added a me.audio.fade() function

2.0.0 (18 Nov 2014)

• Core : implemented a new shape based collision system for the collision layer
• Core : added user agent detection for Kindle devices
• Core : fixed the collision response for circles (me.Ellipse with a uniform radius)
• Shapes : renamed me.PolyShape to me.Polygon and simplified the constructor (no longer needs a fourth param)
• Shapes : added a new shape: me.Line
• Shapes : added multi shapes support for body
• Shapes : added rotation and scaling support for me.Polygon/me.Line shapes.
• Audio : the Howler library has been updated to the last 2.0 beta
• Audio : removed the cocoonJS hack, as the pause/resume function have been fixed through Howler 2.0
• Entity : added automatic collision response handling (not fully done yet actually)
• Container : fixed an issue where "non-floating" containers always passed the in-viewport test
• CanvasRenderer : All fill & stroke methods have removed the color & line width parameters. Use the new setColor and setLineWidth methods.
• CanvasRenderer : Removed strokeLine, was duplicate with drawLine
• WebGLRenderer : New WebGLRenderer has reached "alpha", and can be enabled by passing the me.video.WEBGL flag to me.video.init()
• Particles : fixed randomness in the emitter for scaling and rotation of particles
• Particles : fixed widget drawing in Particle Editor
• TMX : added rotation support for Polygon/PolyLine objects (Tiled 0.10+)
• TMX : added support for tileset animations (Tiled 0.10+)
• TMX : fixed isometric projection for Polygon/PolyLine objects
• TMX : fixed TSX external tileset loading

1.1.0 (3 Sep 2014)

• Core : reorganised source code for all basic object definition/augmentation
• Core : new CI and unit testing frameworks
• Core : new object inheritance mechanism: http://github.com/parasyte/jay-inheritance
• Core : added array random and weightedRandom functions (aaschmitz)
• Core : added a Base64 Encode function (aaschmitz)
• Core : new me.Error class to help better track down exceptions' origin
• Core : brand new "Separate Axis Theorem " based collision algorithm (support polygon/ellipse, and provides more accurate collision response)
• Core : added collision filtering support
• Core : added a spatial partitioning algorithm (QuadTree) for super fast collision detection
• Container : addChild and addChildAt now return the added child
• Video : refactored canvas drawing out to me.CanvasRenderer. Video is now agnostic of rendering target. Use me.video.renderer to call things like getWidth, getHeight, getCanvas, getContext, etc.
• Video : constructor parameters changed. 2nd parameter now expects renderer type. For now, just supports me.video.CANVAS
• CanvasRenderer : object is passed to the draw calls of each object in the world Container. Implemented various draw apis fillRect, and fillArc for example. me.Font still requires an instance of Context2d.
• Renderable : renamed me.SpriteObject to me.Sprite and me.ObjectContainer to me.Container, for a cleaner API
• Renderable : constructors refactored to accept x & y numeric values, over a single vector object. Effects: me.Container, me.Rect, me.PolyShape, me.Ellipse, me.Renderable
• Shapes : setShape updated to accept x & y numeric values over a vector object for: me.Rect, me.PolyShape, me.Ellipse
• Camera : fixed viewport bounds setting when using isometric map (Juhana Paavola)
• Entity : entity object redesign with a full polygon shape based physic body implementation
• Entity : me.ObjectEntity has been renamed to me.Entity to avoid confusion between the old and new entity component.
• Audio : fixed some audio load issues and error callbacks
• Audio : sync'ed with last Howler 1.1.25 version (fixes numerous issues, see official changelog for more details)
• TMX : fixed the background color drawing when the level is smaller than the display canvas
• TMX : fixed the getTile function returning wrong tiles when using isometric maps
• TMX : fixed collision layer rendering issue with isometric map
• TMX : fixed world container size not being updated after a new level is loaded

1.0.2 (2 Jul 2014)

• Core : improved general compatibility with IE9/IE10 (Desktop/Mobile/Tablets)
• Geometry : added basic type check for the me.Vector2d constructor
• Input : fixed event detection on Chrome 35+

1.0.1

• Core : removed unused Object.mixin method, (caused compatibility issues with socket.io and other libs)
• Entity : disable falling flag when gravity is disabled
• Entity : fix an exception in ObjectEntity.checkCollision()
• Entity : fixed a regression on breakable tiles
• Entity : use width and height by default if spritewidth and spriteheight are not defined
• Entity : throw an exception if mandatory fields width and height are not defined
• Entity : fixed an exception in ObjectEntity.flipX/Y()
• Loader : fixed asset loading when named as a number
• ObjectContainer : use cyclic zIndex by default instead of Infinity
• Audio : sync'ed with last Howler version (as now officially and properly support CocoonJS)
• Audio : melonJS now throws an exception when attempting to load audio assets before audio is initialized
• TMX : fixed a potential issue with ImageLayer when ratio is set to 0 in Tiled
• Font : fixed opacity property usage for me.BitmapFont object.
• Renderable : added a tap and hold feature to the me.GUI_Object object (juhanapaavola)
• Particles : fixed the particle emitter bounds (aaschmitz)
• Input : added several keyboard keys for input mapping (aaschmitz)

1.0.0 (29 May 2014)

• Core : now pass the elapsed time as a parameter when calling any object update function
• Core : cleaned-up/renamed conflicting set function in shape and font objects
• Core : added new shapes objects (Ellipse, Polygon) on top of the existing Rectangle one
• Core : added a mixing property to object (insidiator)
• Core : deprecated object manipulation (add, remove) have been removed from me.game
• Core : renamed the me.entityPool API to me.pool and related functions (see documentation & upgrade guide)
• Entity : deprecated helper function (doJump, doWalk) have been removed
• ObjectContainer : renamed getEntityByProp to getChildByProp
• ObjectContainer : getChildByProp now returns all matching object type and not only "entities"
• Camera : camera bounds are now defined as a rectangle and not only in width and height
• Loader : added resource information to loader progress event (warpten)
• Loader : added loading of TMX data from javascript (json) objects (paulmedwal)
• Color : melonJS now defines a new me.Color class for advanced color manipulation
• Particles : added basic Particle System, with emitters and particles (aaschmitz/insidiator)
• Particles : added a particle emitter editor, see the example folder (insidiator)
• Device : added full cross-browser support for the Fullscreen API (see me.device)
• Device : added support for the vibration API (me.device.vibrate)
• Device : renamed the me.save.delete function to me.save.removed (delete is a reserved keyword)
• Device : added support for the visibilitychange API (pause/stop state on window show/hidden status)
• Audio : modernised (and also mobile compatible) web audio API based on the awesome Howler library
• Input : added the possibility to disable globally or per key the default browser action
• Input : automatically enable keyboard even on desktop type devices
• Input : the registerPointerEvent function now only accepts the standardized Pointer Event names.
• TMX : added proper support for all shape type (collision is still however resolved using AABB detection)
• TMX : XML TMX map are now converted to a JXON object on-the-fly, allowing to remove duplicated parsing code
• TMX : added the Tiled "type" property to TMXObject
• TMX : melonJS will now respect the object size as defined in Tiled when parsing/creating related object in the game world
• Timer : added a setTimeout and setIntevral function obeying the engine pause state
• Tween : fixed tweens to properly maintain time state when paused
• Renderable : collisionBox has been replaced by a more cleaner implementation (see getShape/addShape/getBounds)
• Renderable : the flicker function now takes the global flickering duration in ms (as opposed in frame count)
• Renderable : removed the visible property

0.9.11

• Documentation : numerous fixes and improvements
• General : fix initial loading for me.save, and update documentation
• General : fix detection of localStorage on some phones (agmcleod)
• General : fix uncaught exception when objects without a position vector are added to a container
• Input : fully support event-driven key input with me.event.KEYDOWN and me.event.KEYUP
• Input : multiple keys bound to the same action will no longer cancel each other
• Input : fixed pointerEvent support on IE11
• ObjectContainer : fixed rendering of nested containers (again) - Thanks to Peter Hull
• ObjectContainer : fixed getEntityByProp with nested containers
• Animation : (quick) fixed hWidth and hHeight not being updated when the frame size is different
• Core : better support object reset through a onResetEvent function when using object pooling
• Tween : updated the me.Tween object to be usable with the object pooling mechanism
• Font : added a trimRight polyfill to the String class to help fixing multi-line ASCII rendering
• Font : added a drawStroke function
• Font : fixed a bug that broke some CSS font-family names, like monospace and "Trebuchet MS"

0.9.10

• Core : fixed object visible flag not being set based on their parent group visible status
• Core : fixed both pauseOnBlur and StopOnBlur being enabled by default
• TMX : fixed the imageLayer reset bug (when unsubscribing the viewport change event)
• TMX : fixed an undefined tileset issue when adding a new Tile through the setTile function
• Documentation : fixed the parameter value of the hasChild function
• Renderable : moved the opacity related getter/setter function into the Renderable class
• Renderable : fixed group opacity setting fully overwriting renderable opacity settings
• ScreenObject : fixed cases where ScreenObjects may not be considered in the viewport
• ObjectContainer : fixed rendering of nested containers

0.9.9

• General : added proper support for a jslint task and cleaned source code accordingly (nvlbg)
• General : added a renderable container object (me.ObjectContainer) and reorganize me.game accordingly
• General : added me.game.world as a reference to the game world root object container.
• General : added a new me.save class to manage localStorage, and moved (deprecated) the old me.stat to the plugin repository
• Core : improved game pause management (by swmuron)
• Core : added a me.device object containing device specific capabilities and events (agmcleod)
• Core : moved all device read-only flags to the new me.device object
• Core : fixed Opera Mobile detection when sniffing user agent
• Core : improved orientation change detection, added me.device.orientation and a specific minpubsub channel
• Core : moved debug flags to the debugPanel plugin
• Input : fixed accelerometer event registration when supported
• Input : added support for windows 8 accelerometer (Halfman)
• Input : improved mouse wheel event support to be compatible with all recent browsers
• Input : added support for the touchCancel and mousecancel events
• Input : added TAB key definition to key bindings (agmcleod)
• Loader : refreshed the loader a bit, and added the new logo
• Loader : fixed binary loader (agmcleod)
• Video : added support for CocoonJS 1.4 ('antialias' parameter and the new dispose function)
• Video : added proper support for video scaling on High-DPI devices (no longer requires the JS hack in the index HTML file)
• Video : fix me.sys.scalingInterpolation when display is resized.
• TMX : fixed default group opacity value not being applied to child objects.
• TMX : optimized tile rendering, by using a tileset reference in Tile object
• TMX : added preliminary support for non rectangular shapes in Tiled (although currently converted to me.Rect)
• TMX : fixed multiple image backgrounds with ratio properties that are different values
• TMX : fixed me.ImageLayer drawing being delayed by one frame
• Font : Font objects now properly extend me.Renderable
• GUI : HUD objects have been completely replaced by me.ObjectContainer; See Platformer example for new HUD implementation pattern.
• Animation : the animationspeed property, now defines the delay between frames in terms of milliseconds (as opposed to framecount)
• Animation : allow animation callback to prevent resetting to first frame by returning false really fixed this time
• Shapes : new shapes added for future expansion: me.Ellipse, me.PolyShape
• Shapes : me.Rect.getRect() renamed getBounds()
• Tween : the tween implementation has been updated to the last official r11 version.
• Camera : renamed the mislabeled worldToScreen and ScreenToWorld, and fixed a bug in one of the function.

0.9.8

• Renderable : added ShoeBox Packed Texture Support (see me.TextureAtlas)
• Loader : the tps data type has been changed to a more generic json data type (agmcleaod)
• Input : added MSPointer support (Halfman)
• Input : normalized API and management of input event and enabled multi-touch for PointerEvent
• Input : added throttling support for ****move events
• Core : main loop now uses requestAnimationFrame by default with a fallback to setTimeout
• Video : added the possibility to specify a maximum size when enabling video scaling
• Video : automatically limit the maximum size if the corresponding CSS properties are set
• TMX : added the possibility to specify different axis value for the scrolling ratio
• Font : fixed drawing characters with charCode smaller than the firstChar value.
• Renderable : allow animation callback to prevent resetting to first frame by returning false
• Core : added "Mobile" to me.sys.isMobile UA sniffer (fix Firefox OS detection)

0.9.7

• General : melonJS now uses Grunt, the task manager, for the build system
• General : game objects will not update unless inside the viewport or obj.alwaysUpdate flag is enabled
• Audio : preliminary audio support for mobile devices (iOS6 for now)
• Core : added a me.sys.isMobile flag to detect running on a mobile device
• Core : now using screencanvas extension for CocoonJS
• Core : fixed me.game.remove() destroying the object too early
• Entity : ObjectEntity is now composed with a renderable component (does not anymore inherit from AnimationSheet)
• Entity : renderable default position is now set based on the me.ObjectEntity default anchor point.
• Entity : fixed ladder collision detection/management
• Examples : new collision_test example (see ticket #103)
• Examples : new font_test example
• Font : changed default alignement to left/top
• Font : added multiline support for me.Font and me.BitmapFont
• Geometry : most me.Vector2d methods return a reference to this, to allow method chaining
• Input : added a me.input.unlockKey() function that allows to manually unlock key (DblK)
• Loader : fixed loader when repeatedly calling the preloader
• Renderable : new base class for any objects that needs to draw (Sprite, ImageLayer, GUI, etc...)
• Renderable : added TexturePacker Support (see me.TextureAtlas)
• TMX : fixed me.ImageLayer.ratio on Firefox & Opera
• TMX : allows changing the imageLayer default origin using the imageLayer anchorPoint
• TMX : added a new me.game.getEntityByProp() function (DblK)
• TMX : added JSON map parsing support
• TMX : small optimization for isometric rendering (pixelToTileCoords() function)
• TMX : fixed access to inherited properties
• TMX : added an entry point for a potential gzip/zlib TMX decompression plugin
• TMX : fixed object positioning on isometric maps (andyveliz)
• TMX : property value convention for automatically JSON-decoding; prefix with json:
• Video : fixed viewport.shake()
• Video : optimized framerate on cocoonJS platforms by using the 'screencanvas' extension
• Video : disable video scaling interpolation by default

0.9.6

• General : fix compatibility issue with previous iOS(5.x) and Android version
• Core : workaround for useNativeFrame when cancelAnimationRequest is not supported
• Audio : added volume and mute control settings
• Audio : added the possibility to stream audio elements
• TMX : code optimization to lower memory usage
• TMX : fixed layer scrolling when using pre-rendering
• Loader : fixed me.loader.load not adding TMX into the me.levelDirector

0.9.5

• Audio : added mp4/aac pre-loading support
• Audio : added codec selection based on audio support level
• Core : fixed requestAnimationFrame
• Core : added an official plugin API
• Core : fixed a object removing and sorting lock issue
• Core : added a 'floating' property for renderables
• Core : added Object Pooling support
• Core : fixed the me.game.getEntityByName function when using camelcase names
• Debug : added a simple debug panel plugin
• Font : fixed font name starting with a decimal value
• Font : added changes to allow specifying a flat number of px,em, etc for font sizes.
• Font : added support for comma separated font names like in CSS
• Event : added Daniel Lamb minPubSub library for event publishing
• Event : fixed touch event support detection on cocoonJS
• Event : added click, dblclick, tap events
• Event : fixed mouse event conflict and mousewheel event
• Geometry : added a function to return the angle between two vectors
• Input : me.GUI_Object's onClicked() function has been renamed to onClick()
• Loader : use asynchronous mode when loading XML files
• Entity : added spacing and margin capacities for sprite (same as Tile Map Sprite)
• Entity : fixed flickering when using requestAnimationFrame
• Entity : added opacity setting
• Entity : fixed visible property automatic setting
• Entity : moved collision check outside of the Entity Object
• Entity : cleaned and renamed the collision utility function
• Entity : added the possibility to check for multiple collision
• Entity : added a collideType function to check for collision with a specific type
• Entity : moved collisionBox from SpriteObject to Entity Object
• Entity : added a distanceToPoint, angleTo and angleToPoint function
• Tween : fixed tween when pausing game
• Tween : various fixes and optimization from the official repository
• TMX : fixed a bug that was preventing a non visible layer to be set visible later
• TMX : fixed the clearTile function on non visible layers (e.g. collision map)
• TMX : added official support for Opacity in TiledLayer, TMXLayer, colorLayer and ImageLayer
• TMX : added support for TSX files
• TMX : added a repeat property to Image Layer instances, similar to CSS background-position
• TMX : parallax layer is now based on the new "official" Image Layer support (from Tiled 0.9.0)
• TMX : fixed the getObjectGroupByName() function
• TMX : added support for custom tile type
• Tutorial : fixed camel case issue in resource names
• Tutorial : update the parallax part to reflect last changes in melonJS (Image Layer)
• Video : added support for display scaling
• Video : added a setImageSmoothing function
• Example : added "whack-a-mole" as an official example
• Example : added a new "platfomer" example (using legal assets) and removed alex kidd based examples

0.9.4

• General : melonJS is now only using Google Closure (removed YUI compressor)
• General : melonJS is now ES5 strict mode compliant
• General : added a .editorconfig file to provide basic rules to editors
• Core : added a flag to enable/disable automatic pause on loosing/gaining focus
• Core : fixed rendering loop when using requestAnimationFrame (parasyte)
• Core : added a renderCollisionMap debug setting (parasyte)
• Core : use console.error instead of window.alert
• Core : added the possibility to specify a user-defined sort function
• Core : fixed mixing screenObject added as object, and TMX level loading
• Core : fixed screenObject when extending update & draw function
• Entity : added an anchor point for renderables (through SpriteObject)
• Entity : added rotation support (through SpriteObject)
• Entity : added the possibility to pause an animation (parasyte)
• Entity : fixed default position by using top-left coordinates as in Tiled
• Entity : fixed invisible entities being removed when colliding
• Font : fixed me.Font horizontal alignement
• General : fixed & enhanced object/memory deallocation when switching levels
• General : rewrote the parallax code using the new Generic Image Layer Object
• General : added support for vertical parallax layer
• Geometry : added a function to test for vector "equality"
• Geometry : added a couple of Self function (to help avoid object creation)
• Loader : fixed a case issue between filename and asset name
• Input : added the possibility to check for mouse event based on world or screen coordinates
• Input : fixed a false-positive issue at initialization, and usage of special keys (parasyte)
• TMX : added dynamic layer rendering (configurable globally or per layer through Tiled)
• TMX : added Image Layer Support (Tiled daily builds only)
• TMX : added support for the new map background property (Tiled daily builds only)
• TMX : added a Color Layer (used when a background color is defined)
• TMX : another round of clean-up and various bug fixing
• TMX : added support for TMX Object without name (parasyte)
• TMX : added preliminary support for polygon and polyline objects (parasyte)
• TMX : fixed visible flag and user-defined properties not being applied to ObjectGroup
• TMX : fixed rendering issue with transformed tiles (AD, H, V)
• TMX : fixed display of map being smaller than the viewport
• TMX : fixed TMXObject not being declared correctly under the "me" namespace
• Utils : fixed the HexToRGB function and added support for the 3 char format (#hhh)
• Tween : fixed exception in the tween library (parasyte)
• Documentation : corrected and added missing documentation

0.9.3

• General : better error management and reporting
• General : added a dummy console.log for platforms not supporting it
• General : melonJS now uses Google Closure for library minification
• General : added a global gravity setting that will override entities default value if defined
• Core : now properly calls all objects onDestroyEvent function when resetting game
• Core : added the possibility to define a callback when a level is fully loaded
• Core : added a couple of utility functions (degToRad, radToDeg)
• Core : fixed GUID creation when passing a non string parameter
• Core : only check for collision when the projection vector is set
• TMX : global rewrite, code optimization and clean-up
• TMX : added support for isometric map loading and display
• TMX : added support for perspective map loading and display
• TMX : relaxed TMX property case sensitive checks
• TMX : added tile rotation support (Tiled 0.8.0)
• TMX : fixed level name property not being set, and use it when required
• LevelDirector : fixed the nextLevel & previousLevel functions
• Loader : added binary file support
• Loader : added possibility to dynamically load any resources (i.e. during the game)
• AnimationSheet : the entire sprite-sheet is now use to create the default animation
• Entity : fixed CollisionBox not being properly used on y axis when checking for collision
• Entity : fixed CollisionBox issue when dealing with sub-pixel positioning
• Entity : fixed setVelocity not setting y velocity when x velocity is null
• Entity : added missing properties (GUID, name) in InvisibleEntity
• Entity : fixed res.obj not defined in InvisibleEntity
• HUD : added a removeItem function
• GUI : rewrote the GUI Object accordingly to the new event management
• Geometry : added a containsPoint function
• Geometry : added a floor() and ceil() function to Vector2d
• BitmapFont : fixed BitmapFont ignoring 'center' alignment
• BitmapFont : avoid implicit object conversion when rendering a bitmapFont
• Input : fixed use of numeric keys by using a proper constant value.
• Input : rewrote mouse event management
• Input : added touch event management (with mouse event emulation)
• Input : (beta) multitouch support
• Input : added Accelerometer event management
• Documentation : added a lots of missing documentation on various API
• Documentation : added JS syntax highlighting in the tutorial
• Documentation : don't use onDestroyEvent to manage score in the examples
• Documentation : exposed more TMX objects and APIs

0.9.2

• General : melonJS is now licensed under the terms of the MIT License
• General : added some Cake magic, allowing to use melonJS with CoffeeScript (by scan)
• General : added melonJS UML Class Diagram in the official repository (by Ben2303)
• General : melonJS now properly stays in it's own namespace (me)
• Audio : configurable behavior in case of audio loading error
• Core : fixed a shaking bug when collision box is not aligned with the sprite box
• Core : fixed collision detection bug (object being tested again itself)
• Core : refactored fading function using Tween objects (API CHANGE, see documentation)
• Core : added a helper method to know the sign of an number
• Core : corrected variables definition (global->local)
• Core : added a GUID (Game Unique Identifier) to objects
• Core : getEntityByName now also returns non Entity Object (like layers)
• Core : fixed state change when using custom state values
• Core : me.game.collide now also returns an object reference in the collision vector
• Core : renamed and correctly initialize the localStorage flag capability
• Documentation : various documentation correction and improvements
• Entity : added friction management
• Entity : updateMovement function now returns a collision "vector" (API CHANGE, see documentation)
• Entity : refactored/cleaned-up movement/collision function
• Entity : added support for multiline spritesheet (fixed cell size)
• Entity : added the possibility to define a specific transparent color for spritesheet
• Entity : implemented a resize function, allowing to resize a sprite on the fly
• Entity : optimized/refactored SpriteObject
• Entity : fixed object with 1 single sprite (no animation) not begin updated
• Entity : added the possibility to also specify a callback when an animation is over
• Entity : fixed an initialization issue when using melonJS without a Tilemap
• GUI : corrected me.GUI_Object and added missing documentation
• GUI : marked me.GUI_Object as deprecated, as it will be rewritten in a next release
• Event : also cancel event bubbling
• Font : added support for multiline fontsheet
• HUD : added a setItemValue() function
• HUD : corrected display issue on Opera
• Loader : added possibility to add graphics resources after pre-loading (e.g. ingame)
• TMX : use native Base64 decoding when available
• Viewport : object to follow can either be a Object Entity or a position Vector
• Viewport : fixed default value (if parameter not specified) for Axis to follow on
• Video : cleaned-up the applyRGBFilter function

0.9.1

• Core : "cache image" option (disabled by default) to use canvas instead of directly using Image Object
• Core : add onPause and onResume callback when game is paused/resumed on losing/gaining focus
• Core : added possibility to pass more than 1 extra argument to me.state.change (extra arguments will be passed to the reset function of the target object)
• Core : object can now only be destroyed using me.game.remove(obj), made of ObjectEntity.destroy a private function
• Core : beta dirty Rectangle support (only working for non scrolling level for now)
• Core : experimental webGL wrapper
• Core : added a getEntityByName function
• Core : fixed some kind of "lag" issues when deleting objects
• Core : improved the requestAnimFrame usage, and fallback to setInterval. me.sys.useNativeAnimFrame to enable it (disable by default)
• Core : optimized the way objects are managed in the game loop
• Core : defined (and used) a Object.defineProperty function to replace defineGetter / defineSetter (was not supported on IE9/IE10)
• TMX : implemented Tiled "transparency" property for Tileset, allowing to specify which color should be transparent (note: this slows down level loading)
• TMX : fixed unnecessary canvas creation for the collision layer (should free some memory)
• TMX : cleaned/optimized data loading and fixed an issue on FF with XML parsing of "big" Base64 encoded maps (only first nodeValue was parsed by the engine)
• TMX : added support for CSV data encoding
• TMX : added support for flipped tiles, as supported in Tiled 0.7
• TMX : added multiple tileset support
• TMX : added a "background_image" property. To be set through Tiled, and allowing to specify a fix background.
• Entity : merge AnimatedSpriteObject into SpriteObject. SpriteObject now takes an optional additional argument to create an animated sprite
• Entity : added a distanceTo function
• Viewport : fixed camera refresh when changing "deadzone" values
• Loader : added a "onProgress" callback to get progress notification, removing the need to poll the loader each frame for loading progress
• Loader : fix progress notification when TMX files are loaded into the levelDirector
• Loader : added a retry counter for the audio loading : script will now stop and throw an exception after 3 unsuccessful loading attempts.
• Video : renamed "applyEffect" to "applyRGBFilter", and fixed an issue on Opera
• Audio : fixed compatibility issues with IE9/10
• Geometry : added a merge function to me.Rect

0.9.0

• Documentation : API documentation using jsdoc-toolkit (finally!)
• Geometry : define getter for me.Rect coordinates (simplify code)
• Level : support for fadeOut/fadeIn effect in me.LevelEntity (when changing levels)
• Entity : correctly implemented InvisibleEntity Objects (no longer inherit from ObjectEntity)
• Entity : makes SpriteObjet inherit from me.Rect (make it easier to manage sprite pos and size)
• Loader : cosmetic update of the preloader screen
• Viewport : rounding issue fix in the viewportEntity (aroun 30% less CPU usage on Safari/OSX!)
• TMX : cleaned & refactored tilemap collision detection (still not perfect though)

0.8.0

• TMX : support for "TiledObject" (as supported in Tiled 0.6.2)
• Entity : re-factored constructor call to Object Entities (to use the settings obj produced through Tiled)
• Entity : moved collision function from AnimatedSpriteObject to ObjectEntity

0.7.9

• Viewport : added some effects to the camera object (shaking, fading, ...)
• Viewport : re-factored and fixed the camera/viewport code
• Core : re-factored public objects using John Resig Inheritance mechanism.
• Core : fixed the "bootstrap" (unnecessary double call)
• Entity : re-factored parallax code & corrected a bug that was causing the layers to be drawn 2x times
• Audio : partially fix crash audio in safari when audio is enabled
• Core : fixed gfx glitches (rounding issues)

0.7.6 (16 May 2011)

• first public version with alex4 !
• www.melonjs.org is live :)