Engine-design related questions. How code is structured.

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Communication pattern in Entity Component System

I'm putting together a ECS for my game with another two main components: an event bus for communication and a Lua interpreter to load scripts. Now, the parent element is a framework/game object with ...
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44 views

Export matrices or IPOs?

I'm currently working on an exporter for Blender and corresponding importer for my engine, but I believe the same concepts apply to any other 3D animation software. When it comes to export animation ...
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63 views

Implementing Tools in a Toolkit

I've been building a toolkit for my game and recently decided I needed a history system as well as clean out the mountain of event handlers building up in my code. To do this, I've started using ...
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33 views

Data structure to store map layers in each Tile while keeping the order of terrain, items and monsters intact

My game represents its map as a 2D array of tiles, each of which stores a stack of layers. I'm looking for a data structure to efficiently represent this . I want to be able to add layers ...
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49 views

Organization of world/eye/clip bounding volumes for ray picking

I currently have objects defined in world coordinates and also other "overlay" type objects defined in eye or clip space. I want to be able to select objects (ray picking) from both the overlay or ...
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How can I avoid duplication of jBox2D physics attributes?

I'm using jBox2D for physics and collision detection in a game engine with an entity-component system. It works, but I'm unsure how to structure my code with respect to the values represented in the ...
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60 views

How can I position different size creatures in a group automaticly

I'm doing a game (in xna) on my free time, as I'm not in the game market, I'm pretty sure I'm missing something that would help me get this right. Think of Ogre Battle. A group of unit moves, and ...
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103 views

Different Spawning Target Pattern on a Music Game App (Prototype)

I'm using Gtomee's audio spectrum decoder tutorials (from sample video or codes at GitHub) to create its own spawning pattern according to what music it played. It worked pretty nicely despite this ...
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574 views

Component based architecture - Rendering approach?

I'm planning to use a component based architecture for a new 3D game engine I plan to work on, however I don't know how to approach the rendering side of things. I can see two options here: Every ...