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ERASERHEAD STUDIO

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  1. A new entry in the devlog for 13 Ronin, a retro 2d samurai fighting game, this time I give you the first public developer build. Happy coding! /jan.
  2. ERASERHEAD STUDIO

    13 RONIN - DevLog #8 - First public build

    First public build Hello friends and a happy new year to all of you! In my September post I stated the goal for the year to be the release of a first public build of 13 Ronin. I followed this statement with a list of features the release should contain, although I haven’t managed to complete all of those features I’m still happy to have something to release. Lacking from the list is a background animation of a pair of women drinking tea, the color of the opponent (it should be white, but is grey) and an idle animation variation. The idle variation and the color of the opponent will be added later on. The tea-drinking women will probably be cut in favor of some other animation. Big disclaimer Please keep in mind that this is not a completed game, it's not even a demo, it's work in progress and a lot of stuff will be changed, improved and added before even this first level is finished. With all that said, you're very welcome to download it and give it a go, and hopefully give me some valuable feedback. This release is Windows only. Click this link to go to my DropBox-account Download file 13Ronin, 1st Public Build.zip When download is finished extract the zip-folder’ Open folder and double-click 13Ronin.exe Press ‘1’ to start game When playing, press ‘ESC’ to return to start-screen, and press 'ESC' once more to exit game. Controls Keyboard: Moves: Crouch - Arrow key down Jump up - Ctrl key Jump forward - Ctrl key + arrow key forward Jump backward - Ctrl key + arrow key backward Turn around - Space + Arrow key backward Walk forward - Arrow key forward Walk backward - Arrow key backward Attacks: Head cut - Space + Arrow key up Kick - Space + Arrow key forward and down Throat cut - Space + Arrow key forward Throw gravel - Space + Arrow key down Blocks: Block Head cut - Shift + Arrow key up Block Throat cut - Shift + Arrow key forward X-box style gamepad: Moves: Crouch - Directional pad down Jump up - Button X Jump forward - Button X + Directional pad forward Jump backward - Button X + Directional pad backward Turn around - Button B + Directional pad backward Walk forward - Directional pad forward Walk backward - Directional pad backward Attacks: Head cut - Button B + Directional pad up Kick Button - B + Directional pad forward and directional pad down Throat cut - Button B + Directional pad forward Throw gravel - Button B + Directional pad down Blocks: Block Head cut - Button A + Directional pad up Block Throat cut - Button A + Directional pad forward This release is heavily flawed with an unintelligent opponent and unbalanced gameplay, but still, it’s a game that can be played, isn’t that something? Happy new year! /jan.
  3. ERASERHEAD STUDIO

    13 RONIN

    13 RONIN 13 RONIN is a 2D pixel art samurai sword fighting game inspired by old japanese samurai movies and 8-bit classics such as Barbarian and The Way Of The Exploding Fist. Your mission as a noble samurai is to defeat 13 renegade ronin and their murderous leader. Although done in low resolution pixel art the game will have an somewhat “arty” aesthetic in black and white mixed with details in color. Who am I? I’m a 40 year old Swede with about 17 years of professional experience working as a .Net developer. To make a game has been a dream ever since I as a child learned to write a “guess a number”-game on my Commodore 64. Now I’m trying to fulfill that dream. I’m the sole developer behind this project and I’m doing it as an sparetime project so please be patient. Status The main structure of the game and basic gameplay, based on placeholder graphics, is done and I’m currently switching between drawing assets and coding graphic effects like rain and lightning. News I’m quit often updating my dev blog with short posts about the progress I make. A post can contain a new animation, a sound effect, a code sample or something else related to the making of 13 RONIN. On this and other forums I will post updates, that are longer than those on my site, but not as often. To help and inspire the community I will share tools and parts of the code on my BitBucket-page. /jan. https://www.eraserheadstudio.com/
  4. A new entry in the devlog for 13 Ronin, a retro 2d samurai fighting game, this time it's about implementing the logic for the computer player. Happy coding! https://www.eraserheadstudio.com
  5. ERASERHEAD STUDIO

    13 RONIN - DevLog #7 - Fight or flight!

    Since I had no previous experience of coding a computer player I turned to our friend google for advice. I found a number of threads on the subject, some talked about AI, but most of them talked about reaction based solutions, but since I’m not interested in AI and rather want to mimic the feeling found in old-school fighting games I decided to go for the reaction based solution. And when I use the phrase “reaction based”, I’m referring to an implementation that selects action-based on one or several conditions e.g. if the opponent hit then block. Feeling a bit over-confident, I stopped reading and headed over to Visual Studio just to realize that this was not as easy as I had thought. Soon I had a bunch of if-statement and a code hard to follow. I refactored the code, but still I wasn’t pleased Along came Halloween and at my workplace, we had an amazing party (I was dressed as the Invisible Man). After dinner, I chatted with a colleague and talking about the computer player he asked if I was using a decision-tree for action selection. Decision trees? What’s this, yet another gap of knowledge. The name itself told me that this was something I had to read up on. So, the day after, still recovering from the party, I started reading. And oh yes, this was what I’ve been looking for. (Thanks Mikael for the suggestion) Decision trees The full definition is somewhat longer, but simplified, a decision tree is a tree structure describing conditions and results. Every node is a condition deciding upon which branch to follow until reaching the leaf and the result of the path taken. This was exactly the kind of data structure I needed to find a structure around the computer player logic Using a fluent builder I could put all conditions in a tree and let the leaves contain what actions to perform. Decision tree for the computer player. DecisionTreeNode My implementation of the decision tree is very basic, it consists of a DecisionTreeNode-class that I use for the tree as well as for the nodes and the leaves. The Condition-property is only applicable to condition nodes. It’s a delegate that when called will evaluate what child node to step into. It returns the name of the child to step into. The Result-property is only applicable to leaves. It’s a delegate with actions associated to the leaf. The GamePlayState-class contains all data needed when deciding computer action. DecisionTreeBuilder I’m quite fond of fluent coding so when building the DecisionTreeBuilder it was a natural pattern to choose. Using this pattern makes classes easy to use and code easy to read. This is how I build the decision tree var decisionTree = DecisionTreeBuilder .Begin( "Reacting", state => state.Player.IsReacting() ? "Elapsed" : "Opp new action") .AddNode( "Elapsed", state => state.Player.IsTimeToReact(state.GameTime.TotalGameTime) ? "Facing" : "Done 1") .AddNode( "Facing", state => { return state.Player.IsFacingOpponent() ? "Reachable 1" : "Reachable 2"; }) .AddNode( "Reachable 1", state => state.Player.IsWithinReach(state.Opponent) ? "Opp attacking" : "Opp approaching") .AddNode( "Opp attacking", state => state.Player.ActionToReactUpon is AttackAction ? "Defend" : "Attack 1") .AddLeaf( "Defend", state => { state.Player.ResetReaction(); state.Player.ParryHeadCut(); }) .AddLeaf( "Attack 1", state => { state.Player.ResetReaction(); state.Player.HeadCut(); }) .Parent() .AddNode( "Opp approaching", state => state.Opponent.IsAdvancing() && state.Opponent.IsFacingOpponent() ? "Idle 1" : "Advance 1") . . . .Build(); AddNode will create and append a new node to the current nodes’ children and then go into the newly created node and make it current. AddLeaf will create and append a new leaf, but not go into it. Parent will go to the parent node and make it current. Build will return the newly composed tree. The choice to use strings for names makes it easy to follow the code but also makes it easy switching between the diagram and the code. The Parent-, and Name-properties together with the GetFullName method make nice tools while debugging. Player In my game I have a HumanPlayer-class and a ComputerPlayer-class, both implementing an abstract class Player. The main difference between the Human- and the ComputerPlayer-class is how the Update-method is implemented. The HumanPlayer-class is using input from keyboard and gamepad to control the player character while the ComputerPlayer is using the decision tree. The code for using the tree looks like this: var leaf = _decisionTree.Evaluate(state); leaf.Action(state); Nice, isn’t it? Happy coding! jan.
  6. Hello friends! I've got a new blog posting for my upcoming 2D pixel-art samurai fighting game 13 RONIN. This time I'm talking about background and character drawing. Please check it out at: Happy coding! /jan.
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    13 RONIN - DevLog #6 - Time for graphics

    In my last blog post I showcased some of the audio I’ve been working with for my upcoming game 13 RONIN, now it’s time for graphics. But first a celebration. The 4th of October is a day dedicated to the cinnamon roll here in Sweden (yes, it’s true), which we, of course, celebrate by baking, buying and eating lot’s of (you guessed it) cinnamon rolls. Since I’m a fan of the pastry myself, I happily took part in the celebration. But I also had another reason to celebrate. From October and till the end of the year I’ve reduced the number of hours I’m putting in on my day job from 40 to 32 in favor of spending more time working on 13 RONIN. Big kudos to my boss for approving this! Main character How do you go about drawing a samurai with realistic proportions when you don’t know how to draw? I started by googling images on human proportions and created a reference image I could use as background layer while drawing. In parallel to this, I watched a lot of old samurai movies and Kendo-tournaments and with still images from these kind of videos as reference I drew my character. At the beginning of this project, I intended to use silhouette-looking sprites mostly drawn in solid black. This changed over time, I had a few different ideas, but finally settled on using gray-scaled sprites with very low-saturated colors for light and dark areas. I decided on this color scheme to keep consistent with the black and white samurai movie theme. The low saturated colors are there to make the sprites stand out from the background, but also to make the visuals more interesting. With this style, I’ve found a reasonable balance between aesthetics and time spent drawing. Background In the early days of this project, I was more into ninjas than samurais and the initial idea for the game was that you as a white dressed samurai had to fight a bunch of bad, bad ninjas dressed in colorful outfits. To get started I drew a forest background. Soon I discovered that even the best of the ninja-movies weren’t that good and I found myself switching to samurai-movies and my approach to the project changed. Now I wanted to create a fighting game looking like Limbo, with black ninjas emerging from the dark. Sometime later I re-discovered my love for low-resolution pixel-art and the Limbo-aesthetics was dropped. The code-project still carries the somewhat humorous working title of the ninja-project, it’s called “Ninja in the dark”. I wanted to start drawing something basic, something I thought I had the skills for and choose to draw a building which I later on turned into a tavern. It’s yet not finished and I can’t promise it will fit into the final game, but it will be the background of the first public build. Energy and score After finishing the background I took some time to draw the graphics for player score and energy symbols. I tried a few different ideas and settled on the score written in a custom font upon a scroll-like background. For energy symbols I also tried a few different ideas before stealing the yin-yang symbols from The way of the exploding fist and turning them red. I do love that game. In-game graphics There are a lot of animations to finish before the game is playable, but this is at least a taste of what will come. Please visit www.eraserheadstudio.com for more about 13 RONIN. Happy coding! /jan.
  8. Hello friends, This is my first attempt at composing a MIDI song for my upcoming samurai sword fighting game 13 RONIN and I would very much appreciate feedback on pretty much everything from composition to, instruments and sound production. I want the game to remind the player of old Japanese black and white samurai movies. The graphics will mostly be in gray scales, the sound effects will be based on samples taken from old movies and hopefully will the music also fit into this landscape. Happy coding! /jan. P.S. If interested please check out my dev log here or at my site www.eraserheadstudio.com
  9. ERASERHEAD STUDIO

    13 RONIN - DevLog #5 - Shouts N' Music

    Hi everyone, I just published devlog #5, in this posting I talk about sound and music for my upcoming game 13 RONIN. I also share some very early sound effects as well as a rough mix of the first gameplay song. I'd love to hear your thoughts!
  10. ERASERHEAD STUDIO

    13 RONIN - DevLog #5 - Shouts N' Music

    It's been a long hot summer with wildfires crossing our country. We Swedes have a tendency to complain about the weather, mostly we think it's too cold, but after this summer I think most of us welcome fall and the cooler air. During the summer I've been working on a little bit of everything but mostly I've been focusing on sound. But before I go into that topic I'd like to present the milestone I'm currently working towards. First public build Before Christmas I like to release my first public developer build including: One player mode. One level, the tavern, featuring: Windy rain. People drinking inside the tavern. Flies buzzing around a lantern. An opponent dressed in white. Move forward, backward, turn, dodge, turn dodging, jump, front- and backflip. Four different attacks and ways to parry them. One death sequence. Blood splatter. One idle animation variation. One MIDI song arranged with classical instruments. Sound effects, only normalized, not processed in any other way. HUD including score and energy. Camera shake. This might not look like much, but for a one-man team, only working weekends and evenings it might even be too much. Sound If you've read my earlier posts you know I ordered an Arturia keyboard that happened to be broken on delivery. This caused a lot of annoyance and delayed my music production but now I've finally got all my gear set up. The keyboard is an Arturia KeyLab 49 and the speakers Audioengine A2+. Included with the keyboard was a DAW called Ableton Live. I don't know if this software is good or bad, I just know that I couldn't get my head around it. Instead, I've chosen to work with Studio One Prime, which is a free but limited version of Studio One, and has a user interface I feel comfortable working in. SFX To create a feeling of being inside an old samurai movie I'm going to use sounds from various movies as basis for the sound effects. So while waiting for the new keyboard to arrive I've spent a few summer evenings extracting sounds. It's amazing how much panting, grunting and screaming there are in those old movies. After a while I had to skip the speakers and use my headphones instead, if I hadn't I'm sure my neighbors would have thought I'd started some kind of torture dungeon and sent the police on me. Something I hadn't thought of, but became apparent during this process was the fact that there is almost always a howling wind in the background of old Japanese action scenes. This of course made a lot of the sound useless. Despite this unfortunate fact I now have quite an impressive collection of sounds including footsteps, screams, shouting, panting, growling, sword swooshes, sword clashes, and hits. So far I've converted the sound effects to stereo, I've normalized them and cleaned them from as much noise as possible without distorting the sound I want to keep. For my first public developer build I consider them done, but before releasing a demo of the game I will process them further. Early sound effects Scream of pain Sword hit Sword clash Music When on vacation, visiting my father in my hometown of Boden, I borrowed his Yamaha keyboard and a few evenings later I had the main melody for the first game song ready. I call it “Ronin encounter” and this is the song that will be included in the first developer build. I've not yet decided what style of music I want for the game. For a while I had my mind set on 8-bit music like the music made for the C64. It's a style of music that would sit well with the low-resolution retro graphics, but since I want the game to remind the player of old Japanese movies it might be better to use a musical style resembling the style found in those movies. Nothing is set in stone, but for now, I'll go with the latter. The final product will include at least three different songs, one for the intro-screen, one for the highscore-screen and one or more for the gameplay. Sit back and enjoy a rough mix of the first gameplay song - "Ronin encounter": Ronin Encounter.mp3 To make the music match the quality of the sound effects and also enhance the feeling of an old movie I'll give the music an old vintage sound. Ronin Encounter, vintage.mp3 If you wonder what instrument the strange "plucking" sound comes from, it's called "Shamisen" and is a Japanese three-stringed traditional instrument not unlike the western banjo. Shamisen is featured in many samurai-movies and often played by a geisha and sometimes accompanied by a man singing in a dark voice. A geisha playing shamisen. That was all for this post. Please let me know what you think! Next time - graphics! Happy coding! /jan.
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    13 RONIN - DevLog #4 - Say hello to Ester!

    Thanks for your nice words! I know the UI could be better, but I felt a little bit short of time, and this was kind of good enough 🙂 As I will be focusing on creating animations during the summer I'll fix bugs and glitches as I found then and hopefully have a release candidate of Ester ready in the fall. By then I'll probably also have an .exe or installable version ready.
  12. Hi everyone! Just want to everyone to know that I have published DevLog #4 for my upcoming game 13 RONIN, a pixel-art samurai fighter in the spirit of classics like The way of the exploding fist and Barbarian. In DevLog #4 I'm writing about my new tool Ester. It's an editor for tuning spritesheet animations and generating json-files describing the animations. For anyone doing spritesheet animations it might be worth checking out. Happy coding! jan.
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    13 RONIN - DevLog #4 - Say hello to Ester!

    Ester (Eraserhead Animation Editor) is a new tool I've build that will make it easier for me to describe what different animations a spritesheet contains and their different characteristics e.g. how long each frame should be displayed. I can then export the description, as a json-file, and then together with the spritesheet load it into the game and use it to set up my "in game" animations. This is how Ester looks with a spritesheet loaded and one animation created: I'll easily admit that building this tool has been a detour that's taken far too much time from any actual game development, but please let me give you the background. Background 13 RONIN is a pixel-art game with animations based on spritesheets, just like the one below: The spritesheet together with a json-file describing the sheet are read into the game and turned into different animations. A process that works quite well. This is the "Draw"-animation beginning at row 3 and column 1 as described by the json-file below. In this example each frame is displayed for 150 milliseconds Same animation as above but with individual frame times The description file The description file started out quite small, but since I prefer to hard-code as few things as possible and also want room for adjustment, the file grew. This is a file describing the "Draw"-animation starting at row 3 and column 1: { // General description of the spritesheet "spritesheet": { // Size of sheet in columns and rows, // where each cell is a sprite "gridSize": { width: 13, // The sheet has a size of 13 columns height: 5 // and 5 rows of sprites } // Size of a sprite in pixels "spriteSize": { width: 160, // Each sprite has a size height: 160 // of 160x160 pixels } } // Default values for animation frames "frameDefaults": { // Intended for describing hit-boxes and such. This // example would give a hitbox located at same position // as the sprite and of the same size "margin": { "top": 0, "right": 0, "bottom": 0, "left": 0 }, // Offset value used when positioning and drawing // sprites. "offset": { x: 10, // The sprites should be drawn 10 pixels y: 0 // to the right of the destination point } // Frame duration. Display each frame 200 milliseconds // before advancing to next frame "duration": 200 }, // Animations found in the spritesheet "animations": [ // An animation { // Name used for identification "name": "Draw", // OPTIONAL. Will override default setting "offset": { x: 0, // No offset for this animation y: 0 }, // OPTIONAL. Will override default setting "margin": { "top": 0, "right": 0, "bottom": 0, "left": 0 }, // OPTIONAL. Will override default setting. // Frame duration for this animation is 150 // milliseconds "duration": 150, // Start location in grid "index": { x: 0, // This animation begins with image at y: 2 // row 3 and column 1 }, // This animation contains 13 frames starting // at "index" "frameCount": 13, // OPTIONAL. Using this property it's possible to // set frame duration for individual frames "frames": [ ] } ] } Writing and maintaining the description files is very tedious and it's also very easy to make mistakes. Remember that the file above only contains one animation and that is an animation without any individual frame duration times. To get the animation seen in the second example above following "frames"-section has to be added: "frames": [ { "index": 0, "duration": 200 }, { "index": 1, "duration": 175 }, { "index": 2, "duration": 175 }, { "index": 3, "duration": 200 }, { "index": 4, "duration": 300 }, { "index": 5, "duration": 175 }, { "index": 10, "duration": 175 }, { "index": 11, "duration": 175 }, { "index": 12, "duration": 1000 } ] We now have 3 pages of json and only one animation described. I grew tired of this and felt a need for a tool to assist me in describing and tuning the animations as well as automatically generating the json. Together with a desire to improve my skills as a front-end developer I started the development of Ester. Tech Ester is an Electron based application using React as UI-framework. I'm not really a front-end developer and since this isn't the main focus of the blog I won't dwell and deeper into the subject, but for anyone interested in trying out these technologies, there are a lot of posts written on the subject, so just use your magic friend google and you'll get lucky. And please feel free to browse or clone the Ester-repo. I think the project- and component-structure is quite good, but I'm sure there could be a lot of improvements made on the JavaScript- and CSS-code. If you find something really horrific please let me know. Using Ester If you would like to give Ester a try, please visit my BitBucket account for further instructions. If you find Ester useful, run into bugs or have ideas for new features, please don't hesitate from letting me know. Please be aware that this is not a finished product, but something I'm working on as part of the game development project. Fatal crashes might happen and breaking changes be introduced. You're also very welcome to clone and extend the product yourself. Happy coding! /jan. NOTE. As always, everything I show, share or write about here is work under progress and subject to change.
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    13 RONIN - DevLog #3 - The movie analogy

    Here in Stockholm it's been unusually hot and dry for this season of the year and I'm quite convinced that the pharmacies have broken a new record in anti-histamine sales. Last night we were finally blessed with thunder and rain and today the air is cool and nice and the pollen gone. I've sneezed quite a lot the last couple of weeks but I've also done some coding. My primary focus has been building an animation framework for use in intro, cutscenes and background movements and coding an editor for animating sprites. Ester (Eraserhead animation editor) will be the subject of an upcoming dev log and this dev log will be about the animation framework. This is an animation demo and not part of the game Animation framework The purpose of the animation framework is to ease setting up and running sequences of multiple animations. The need for this arose with my desire to create an animated intro with objects moving in different patterns. But I will also use this framework for pre- and post-fight-animations as well as background animations. When finished the animation framework will contain: Support for spritesheet-based animations Builders for setting up animations by code Simple script-language for setting up scenes Loader and parser for script-files In addition to this, I will probably build an editor to use with the script-language for trying out and previewing animations. The movie analogy When designing and naming the building blocks of the framework I've taken a "movie scene"-approach and used a nomenclature found in movie scripts. That gave me following main classes: Scene Actor Action Animation "Animation" might not be a name known from movie scripts, but I kept the name to encourage its use outside of the "animated scene" context. As long as you keep track of calling the update- and draw-methods both actors and animations can be used without a scene. A simplified diagram describing the relationships between the classes Scene Think of a scene just the like a scene in a movie or a theater. It's a "room" where something takes place. A scene can have a name, background image and any number of actors. You draw it on the screen by calling its Draw-method. Background for our demo Actor Unlike in a movie or theater, an actor is not only characters but all things living or dead that has it's own image and is separate from the background e.g. character, bullets flying, rising sun. An actor has a location, it can be visible or hidden, and has a collection of actions to perform that can be looped when done. An actor also has an animation as it's current "gesture". Action Just like in the movies, an action is something an actor does, i.e. an actor will act according to its actions. Some of the available actions are: Show - draw animation Hide - don't draw animation SetPosition - set position of actor BasicMove - move actor to destination with given velocity and acceleration ChangeGesture - change animation Animation An animation is based on a spritesheet, start index in the sheet and a frame count. This determines how the actor will appear on the screen. A note on naming. The property for the animation is named Gesture in the Actor-class, that is a choice I made to keep the movie analogy consistent. I've named the class Animation to encourage use of it outside of the "animated scene"-context. Our famous actor doing one of it's gestures How to To create the scene in the demo above following steps have to be made: Load content Create an animation sheet configuration Create an animation factory Create an actor Create the scene Start the scene Draw scene Step 1 - 5 can all be done in the Initialize-method of the Game-class. Step 1 - Load content As a first step we load background- and spritesheet-images as textures. var background = Content.Load<Texture2D>("Animation_demo_background"); var texture = Content.Load<Texture2D>("Animation_demo_spritesheet"); The demo spritesheet Step 2 - Create animation sheet configuration Then we create a configuration describing animations found in the spritesheet. This object will later be used as argument to our animation factory. var sheetConf = AnimSheetConfigBuilder .Begin() .Name("Samurai gestures") .GridSize(new Point(13, 4)) .SpriteSize(new Point(160, 160)) .DefaultFrameDuration(150) .AddAnimation("Idle", new Point(0, 0), 6) .AddAnimation("Bow", new Point(0, 3), 11) .AddAnimation("Draw", new Point(0, 2), 13) .AddAnimation("Walk wo sword", new Point(0, 1), 8) .AddAnimation("Walk w sword", new Point(0, 4), 8) .Build(); We create a configuration describing a spritesheet with a size of 13 columns and 4 rows where each sprite has a size of 160 x 160 pixels. The spritesheet is called "Samurai gestures" and default frame duration for all animations in this sheet is 150 milliseconds. It contains four different animations. Note that all names must be unique. Step 3 - Create animation factory When the sheet config is ready this step is easy. Call the AnimationFactory-constructor passing in the spritesheet texture and the sheet configuration. Our factory is ready. var animFactory = new AnimationFactory(texture, sheetConf); Step 4 - Create actor Just as it takes some time for an actor to prepare for a big movie role, it takes some coding for us to set up the actor for our scene. var actor = ActorBuilder .Begin(animFactory) .Actions( actionBuilder => { return actionBuilder .Hide() .SetPosition(new Point(-120, -4)) .ChangeAnimation("Walk wo sword") .LoopAnimation() .Show() .Move(new Point(-60, -4), 0.1f, 0.0f) .ChangeAnimation("Bow") .WaitForAnimation() .ChangeAnimation("Walk wo sword") .LoopAnimation() .Move(new Point(110, -4), 0.1f, 0.0f) .ChangeAnimation("Draw") .WaitForAnimation() .ChangeAnimation("Idle") .WaitForAnimation() .ChangeAnimation("Walk w sword") .LoopAnimation() .Move(new Point(312, -4), 0.1f, 0.0f) .Build(); }) .Build(); actor.Loop = true; Here we use the ActorBuilder in combination with the ActionBuilder to create the actor and the collection of actions to perform. All these actions will be performed in sequence and when done the actions will, thanks to the "actor.Loop = true;" statement, be restarted. Step 5 - Create scene As a last building step we tie everything together by creating our scene, and for this, we also have a dedicated builder. _scene = SceneBuilder .CreateScene(animFactory) .Name("Demo") .Background(background) .AddActor(actor) .Build(); Our scene is now ready. Step 6 - Start scene If you run the project you'll find that nothing happens. That's because we haven't included the scene in the game loop yet. Add following lines to the Update-method: if (_scene.State == State.NotStarted) _scene.Start(); _scene.Update(gameTime); Step 7 - Draw scene Still, nothing happens. It's because we're still not drawing the scene. And following line to the Draw-method: _scene.Draw(_spriteBatch, Vector2.Zero); Run the project and enjoy! The future You're as always more than welcome to download the code and use it in any way you like, but since it's still early days please regard it more as inspiration than a working framework. I'm sure there are lots of bugs. And changes will come. If not discouraged, visit my BitBucket-account and get going, or wait for an announcement of a more stable version. Please visit Eraserhead Studio for more. Happy coding! /jan. NOTE. As always, everything I publish here or on any other site is work in progress and subject to change.
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    13 RONIN - DevLog #2 - Lightning

    You're absolutely right. I haven't had much content to show, but hopefully I get a lot of drawing done during the summer. Thanks for the feedback, jan.
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