Advanced OpenGL Tutorial – Skeletal Animations with Assimp
By freeCodeCamp.org
Published: Mar 14, 2022“
In this OpenGL Course, you will take your animation skills to the next level by learning about skeletal animations. This will help your character animations to feel more lifelike when they move thier limbs to do things like walking, running, and attacking.
You will learn how to use the Open Asset Import Library (assimp) to import and export various 3d-model-formats.
Course created by Etay Meiri. Check out his YouTube channel: https://www.youtube.com/channel/UC7Z1…
Course Contents
- (0:00:00) Intro
- (0:01:29) Loading models using Assimp
- (0:27:36) Part 1: Rigging, Skinning, and Animating 3D Models
- (0:48:21) Part 2: Mapping Vertices of Model to Bones
- (1:03:15) Part 3: Transformation Matrices
- (1:19:23) Part 4: Integrating Assimp Matrices into Skinned Mesh Class
- (1:28:06) Part 5: Integrating Animation Data into Skinned Mesh Class
Sources
- Clone the repo at https://github.com/emeiri/ogldev.git. The specific sources are in the following directories:
- Loading models using Assimp: https://github.com/emeiri/ogldev/blob…
- Skeletal Animation – Part 1: https://github.com/emeiri/ogldev/blob…
- Skeletal Animation – Part 2: https://github.com/emeiri/ogldev/blob…
- Skeletal Animation – Part 3: https://github.com/emeiri/ogldev/blob…
- Skeletal Animation – Part 4: https://github.com/emeiri/ogldev/blob…
- Skeletal Animation – Part 5: https://github.com/emeiri/ogldev/blob…
Build Instructions
- Linux – each source directory contains a build.sh and/or build_assimp_sandbox.sh script. Simply run this script from within the directory and it will generate a tutorial* executable that matches the index of the tutorial directory.
- Run the executable from the same directory.
- Windows – the directory ogldev/Windows/ogldev_vs_2019 contains a Visual Studio 2019 solution file. The relevant projects are:
- Loading models using Assimp: Tutorial18
- Skeletal Animation – Part 1: Tutorial24
- Skeletal Animation – Part 2: Tutorial25, Tutorial25_assimp_sandbox
- Skeletal Animation – Part 3: Tutorial26
- Skeletal Animation – Part 4: Tutorial27
- Skeletal Animation – Part 5: Tutorial28
Credits
- Music: https://bensound.com and from the youtube audio library by the artists Huma-Huma and RKVC
- Image from cleanpng.com by Isbelia
- Images from pixabay.com by VOLLEX, Gordon Johnson, OpenClipart-Vectors
- Video from pixabay.com by Timo Herbert
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Tag: .OpenGL
[#Script #Coding] Code a 2D Game Engine using Java – Full Course for Beginners
Code a 2D Game Engine using Java – Full Course for Beginners
By freeCodeCamp.org
Published: Jan 03, 2022“
Learn how to program a 2D game engine from scratch using the Java Programming Language. You will use the game engine to create a Super Mario Clone but the engine can be used to create other games as well.
Code: https://github.com/codingminecraft/MarioYoutube/tree/master
Course created by GamesWithGabe. Check out his channel: https://www.youtube.com/channel/UCQP4…Part 2 (final hour of this course): https://youtu.be/roPRqEQZFu8
Course Contents
- (00:00:06) Introduction
- (00:07:54) Setting up the Window with LWJGL
- (00:25:20) Adding Event Listeners with GLFW
- (00:51:42) Creating a Scene Manager & Delta Time Variable
- (01:11:26) How OpenGL Graphics Programming Works
- (01:32:53) Drawing the First Square
- (02:02:56) Regexes and Shader Abstraction
- (02:24:25) Game Camera OpenGL
- (02:47:47) GLSL Shaders
- (03:08:45) Texture Loading in LWJGL3
- (03:36:02) Entity Component System
- (04:06:25) Batch Rendering in LWJGL3
- (04:50:00) Resource Management in LWJGL3
- (05:05:30) Texture Batching
- (05:38:48) Spritesheets
- (06:01:12) Dirty Flags in Rendering
- (06:23:17) Alpha Blending and Z-Indexing
- (06:38:56) Integrating ImGui
- (07:01:56) ImGui Fonts and Scene Integration
- (07:19:43) Serialization with Gson
- (07:42:48) Deserialization with Gson
- (08:06:03) Exposing Variables to the Level Editor
- (08:25:29) Converting Screen Coords to World Coords
- (08:49:27) Drag ‘N Drop Level Editor
- (09:15:25) Debug Drawing Functions
- (09:47:35) Snap To Grid Tool
- (10:10:25) Debug Drawing Boxes and Circles
- (10:28:58) Framebuffers in OpenGL
- (10:52:56) ImGui Docking in Java LWJGL
- (11:11:55) Adding a Game Viewport
- (11:34:51) Mouse Screen Coordinates to Game Viewport Coordinates
- (11:50:01) Pixel PERFECT Mouse Picking
- (12:23:39) Enabling Mouse Picking and Code Maintenance
- (12:35:16) Editor Camera Controls with Lerp
- (13:01:48) Coding Gizmos
- (13:31:03) Translate and Scale Gizmo
- (14:04:29) Properties Panel
- (14:33:53) Integrating JBox2D in our Engine
- (14:54:53) Event System and Box2D Physics
- (15:19:09) Adding an Engine Runtime (Play/Stop Buttons)
- (16:10:10) Refactoring and Physics
- (16:40:28) Font Rendering
- (16:43:34) Beginning Scene Hierarchy & ImGui Upgrade
- (17:00:38) Scene Panel Drag & Drop (ImGui)
- (17:18:31) Even More Bug Fixing
- (17:44:51) 2D Animations
- (18:18:29) Sounds with OpenAL
- (18:44:27) Improving the Editor
- (19:21:24) How to Use Box2D Physics
- (20:06:12) Pillbox Colliders and Player Controllers
- (20:45:32) Variable Length Jumps
- (21:25:28) Powerups
- (21:51:52) Goomba AI
- (22:29:59) Mario Pipes & Editor Improvements
- (23:01:59) Game Camera & Grid Lines
- (23:28:28) Mario Turtle AI
- (https://youtu.be/roPRqEQZFu8) Adding Flag Poles to Mario
- (https://youtu.be/roPRqEQZFu8) Fireballs and Bug Fixes
- (https://youtu.be/roPRqEQZFu8) The LAST Episode and Distributing your Game
Learn to code for free and get a developer job: https://www.freecodecamp.org
Read hundreds of articles on programming: https://freecodecamp.org/news
And subscribe for new videos on technology every day: https://youtube.com/subscription_cent…
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