Cubemap OpenGL

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OpenGL Tutorial 19 - Cubemaps & Skyboxes


👍 300 👎 7 🟦🟦🟦🟦🟦🟦🟦🟦🟦🟥 Last updated on 27/Jan/2023 at 13:41 UTC In this tutorial I'll show you what cubemaps are and how you can implement them into your project as a skybox. - Source Code - 🤍 - HDRI to Cubemap Converter - 🤍 - OpenGL Documentation - 🤍 - Discord Server - 🤍 - Patreon - 🤍 - Timestamps- 0:00 Introduction & Cubemaps Explanation 0:34 Creating the Cubemap 1:48 Cubemap Weirdness 2:43 Skybox Vertex Shader 3:44 Skybox Fragment Shader 3:54 Shader Program 4:04 Drawing the Skybox 5:02 Final Result & Errors Advice 5:59Ending - References - 🤍 🤍 🤍 #opengl #opengltutorial #computergraphics #cpp #visualstudio #skyboxes

OpenGL - Урок 46 - Как создать скайбокс (skybox). Кубические (cubemap) текстуры.


Версия OpenGL 2.0 Язык Си Это видео для тех, кто ни разу не использовал OpenGL или другие графические движки. ► Уроки по языку Си - 🤍 ► Ссылка на архив с текстурами - 🤍 В данном видео мы: + 3:17 ОШИБКА - Строка 49 должна быть с параметром GL_TEXTURE_WRAP_T. + узнаем что такое кубическая текстура + узнаем как заполняется кубическая текстура + создадим кубическую текстуру и заполним ее из файлов + узнаем как накладывать кубическую текстуру + отобразим куб и наложим на него кубическую текстуру + научимся работать с кубической текстурой в шейдере + в качестве примера сделаем скайбокс ► Плей лист - 🤍 Уроки по теме: ► WinAPI - Создание окна - 🤍 ► Язык Си - урок 21 - Указатели - 🤍 ► Язык Си - урок 22 - Передача параметров по указателю - 🤍 ► Язык Си - урок 37 - Работа с файлом в бинарном режиме - 🤍 ► Язык Си - урок 40 - Режимы работы с файлом - 🤍 ► Язык Си - урок 47 - Многофайловые проекты - 🤍 ► OpenGL - урок 1 - Первая программа - 🤍 ► OpenGL - урок 8 - Массив вершин. Массив индексов - 🤍 ► OpenGL - урок 35 - Подключение библиотеки GLAD - 🤍 ► OpenGL - урок 36 - VBO. Буфер вершин - 🤍 ► OpenGL - урок 38 - Шейдеры (Shaders), как начать - 🤍 ► OpenGL - урок 40 - GLSL. Язык шейдеров - 🤍 ► OpenGL - Урок 42 - Атрибуты и юниформ перемененные - 🤍 ► OpenGL - Урок 43 - Текстурирование с помощью шейдеров - 🤍 ► OpenGL - Урок 17 - Текстуры, загрузка из файла - 🤍 ► OpenGL - Урок 9 - Перспективная проекция - 🤍 ► OpenGL - Урок 14 - Модуль для управления камерой - 🤍 ► OpenGL - Урок 47 - Отличие GL_CLAMP от GL_CLAMP_TO_EDGE - 🤍 Безвозмездная помощь каналу: VTB - 5368 2900 3162 0349 Антон. Трек в конце: Silent Partner - Black Vulture

Modern OpenGL 3.0+ [ADVANCED OPENGL] Tutorial 17 - Cubemapping/Skybox


⭐ Kite is a free AI-powered coding assistant that will help you code faster and smarter. The Kite plugin integrates with all the top editors and IDEs to give you smart completions and documentation while you’re typing. I've been using Kite for 6 months and I love it! 🤍 Source Code - 🤍 Free Skyboxes - 🤍 Based on the following tutorials: 🤍 🤍 🤍 Like our content and want to support us more directly? Help Us, Help You! 🤍 If you like this stuff, as always, show the love through comments, likes, favorites, subscriptions, etc. Thousands of free videos at 🤍 If you have any questions feel free to post them at 🤍 Our Website 🤍 Facebook - 🤍 Twitter - 🤍 Google+ - 🤍 Donate - 🤍 Our games made using Cocos2d-x iOS: 🤍 Google Play: 🤍 Check out our Cocos2d-x book to learn how to make games 🤍

OpenGL - cube maps (skyboxes and environment mapping)


Code samples derived from work by Joey de Vries, 🤍joeydevries, author of 🤍 All code samples, unless explicitly stated otherwise, are licensed under the terms of the CC BY-NC 4.0 license as published by Creative Commons, either version 4 of the License, or (at your option) any later version.

OpenGL Tutorial 51: Cube Map Reflections


OpenGL tutorial series on how to create a 3D game! Creating reflective materials using environment mapping! Cube Map Tutorial: 🤍 Starting code download: 🤍 PNGDecoder Download: 🤍 Setting up a LWJGL project tutorial (in case you've forgotten!): 🤍 Full working code download (without res folder): 🤍 Environment Map Website: 🤍 Environment map texture license: 🤍 Related Topics: Fresnel Effect: 🤍 Specular lighting: 🤍 Support the series on Patreon: 🤍 Facebook Page: 🤍 Twitter: 🤍 Tumblr: 🤍 Instagram: 🤍 Check out my game on IndieDB: 🤍 End of video music- Kai Engel, "Waking Stars": 🤍

OpenGL Tutorial 52: Render to Cube Map Texture


Implementing dynamic environment mapping this week by rendering our scene to a cube map texture, allowing for our reflective objects to reflect our in-game scene! Try out the runnable jar! 🤍 GTA V article: 🤍 DOOM article: 🤍 Starting Code: 🤍 Finished Code: 🤍 PNGDecoder Download: 🤍 Setting up a LWJGL project tutorial (in case you've forgotten!): 🤍 Cube Map Tutorial: 🤍 Environment Mapping Tutorial: 🤍 FBO tutorial: 🤍 Support the series on Patreon: 🤍 Facebook Page: 🤍 Twitter: 🤍 Tumblr: 🤍 Instagram: 🤍 Check out my game on IndieDB: 🤍 End of video music- Kai Engel, "Waking Stars": 🤍

OpenGL Tutorial 11 (QS) – Cubemap Skyboxes (Visually Demystifying)


Line of sight is the real magic… Skyboxes work all by themselves! In fact, if you printed 6 photographic images and arranged them as a cube, and then stood on a stool so that your head was positioned at the centre, you’d then be looking at a 360-degree view of the world. The optical principles explained and demonstrated throughout this tutorial, also apply to game engines such as Unity and Unreal Engine, and therefore OpenGL is just one of any number of graphics APIs to which they apply. Sky-spheres are optically equivalent to skyboxes, which means standing at the centre of a sphere looks exactly the same as when standing at the centre of a cube. Fullscreen quad! Indeed… it’s perfectly possible (programmatically) to display a sky-world by rendering a full-screen quad and calculating the direction vectors of the view frustum in object space. In computer graphics, although camera lens distortion doesn’t occur when rasterising the geometry of primitives such as triangles – perspective distortion (AKA field of view distortion) does occur. Here’s a great article which talks about different types of lens and perspective distortions: 🤍 Visit 🤍 to acquire all the source code for each OpenGL Quick Start tutorial episode. That way you can just copy and paste rather than typing it all in. 00:00 - Introduction 00:20 - What a skybox is 02:21 - Field of view value 03:25 - HDRI Equirectangular images 05:29 - Skybox exported from Blender 06:21 - Reversing UV texture coordinates 07:06 - Blender's environment texture 07:33 - Sky-world method 1 (Importing model) 09:25 - Sky-world method 2 (Cubemap sampler) 12:28 - Sky-world method 3 (Fullscreen quad) Equirectangular images - 🤍 Panorama to Cubemap - 🤍 Qbit Skybox Generator - 🤍 360 Tool Kit - 🤍 NVIDIA Cube Maps article - 🤍 Stack Overflow - Fullscreen quad - 🤍

OpenGL lesson 11 - Skybox CubeMap


OpenGL lesson 11 - Skybox CubeMap

OpenGL 3D Game Tutorial 27: Skybox


LWJGL tutorial series on how to create a 3D Java game with OpenGL! Programming a skybox this week using cube map textures! Download PNGDecoder: 🤍 or 🤍 Downloadable Source Code: 🤍 Skybox Textures: 🤍 OpenGL Textures Info: 🤍 Loads of skyboxes: 🤍 Common Problems: -Due to hardware limitations on some computers you may see some visible seams at the edges of the skybox. If this is the case then add these two lines to the end of the loadCubeMap() method, just before returning the texID: GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE); GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE); Support the series on Patreon: 🤍 Facebook Page: 🤍 Tumblr: 🤍 Instagram: 🤍 Twitter: 🤍 Check out my game on IndieDB: 🤍 End of video music- Kai Engel, "Waking Stars": 🤍

OpenGL Skybox 101 without a CubeMap Texture


So here is an invite to my Discord server, bring your troubles, worries, concerns, ideas and friends! 🤍

OpenGL Cubemap


A cubemap implement. very easy to use in opengl.

Allegro 5 Shader (multitexture with OpenGL Cubemap)


An ALLEGRO_SHADER using multiple ALLEGRO_BITMAP textures for typical texturing, but also playing nicely with an OpenGL cubemap that creates the reflective, glass-like appearance. 🤍 🤍

OpenGL with C++ 10: Cubemaps


#gamedev #gamedevelopment #programming code: 🤍 playlist: 🤍 Discord: 🤍 Patreon:

OpenGL lesson 11 - SkyBox CubeMap 2


OpenGL lesson 11 - SkyBox CubeMap 2

Galaxy skybox cubemap 4k texture + grid texture ground for modern OpenGL C++ version 3.3.0 core


I decided 2 months ago to finally make that plunge towards modern OpenGL after spending over a year and a half on SFML 2d Graphics. This was and is probably the most difficult API to understand. Libraries used to complement 3.3.0 core profile are GLFW3, GLAD, GLM, ImGui, and STB image. Precompiled headers were also used to speed up compile times. This is an example of a galaxy Nebula skybox + a ground grid texture running on CodeBlocks x64 20.03 running openGL version 330 core profile. This incorporates a 4k exr galaxy image converted to png file format then converted again to 6 cube faces to be sampled using samplerCube for a skybox environment. (Note: I don't mean the video is in 4k, the actual image is in 4k for better skybox detail) The ground object is a cube as well just scaled down and wide accordingly to resemble the floor. Texture is a simple png grid from Photoshop with GL_REPEAT for a grid-like appearance. The texture coordinates are also within the vertex buffer and defined in the Vertex shader along with rgba values which are then both sent to the Fragment shader to be used via uniform sampler2D. This results in an interpolated color range + a grid texture without alpha blending. The glGenerateMipmap() function was manually set to prevent excess blurriness at large distances. Without this the far horizon would look too jagged and results in an artifact mess. However by not setting it manually it becomes TOO blurry. I should incorporate anisotropic filtering but that requires OpenGL 4.6 I believe. Other things included here are camera matrix transformations for freelook with mouse events, middle mouse button event, WSAD keyboard events using GLFW3 and ImGui library for data info and docking feature. Framebuffer size callback also changes on window resizing, and vertex buffer vertices size was reduced by re-using the same vertices and using index buffer (GL_ELEMENT_ARRAY_BUFFER) for both ground object and cubemap. The 4k cubemap seems to really make a difference. I've tested with lower resolutions with 1024 and 2048 pixels. The latter would be the minimum for background detail but as you go up the loading times get a bit longer. (On 4k image cubemaps initial loading takes several seconds more) Using desktop i9-9900k + RTX 3090 Founders Edition. Need to implement lighting by including Phong shader model using ambient, diffusion, and specular then revisiting this. Once I get that down I'd like to move on to spherical objects and then hopefully physics and particles again. I miss tinkering with particles so much!

modern openGL learning - CUBE MAP



Parallax Corrected Cubemaps | Operation Black Mesa / Guard Duty


Parallax Corrected Cubemaps is a new feature, developed by our Lead Programmer Dominic, which allows for more accurate reflections to be projected onto surfaces. The basic explanation is that it allows level designers to define the boundaries of a room and project a very accurate display of the room and its contents onto the surfaces within the room; which also allows the reflections to stay in their proper location while the player moves around the room. Official Forums: 🤍 FAQ: 🤍 Available Positions: 🤍 Community Discord: 🤍 #OperationBlackMesa #GuardDuty #TripmineStudios

Reflections using parallax corrected prefiltered cubemaps


Implementation of reflections using parallax corrected prefiltered cube maps in OpenGL. See the related blog post for more information: 🤍

OpenGL: Cubemaps with reflection


Point light shadow mapping - An OpenGL Cubemapping adventure


This wasn't at all what I expected. Felt closer than I actually was to achieve shadow mapping of point lights: - Oh, you just use a CubeMap. It will be just as easy. Clearly I did not know what I was up against. As some one put it nicely in stack-overflow: 🤍 "Cube Maps have been specified to follow the RenderMan specification (for whatever reason), and RenderMan assumes the images' origin being in the upper left, contrary to the usual OpenGL behaviour of having the image origin in the lower left. That's why things get swapped in the Y direction. It totally breaks with the usual OpenGL semantics and doesn't make sense at all. But now we're stuck with it." Next adventure, fix the shadow-acne.. it will be easy... :D Have fun!

Parallax corrected cubemap with OpenGL


After going through phyically based rendering tutorial on, I decided to extend the feature to make the reflected image look more correct. The result was satisfying. 🤍

OpenGL Skybox-Cubemap | Monologue #2


Honestly, the more I listen to myself speaking, the more I wince at the thought of me spamming "uhh..." and "you know" over 9000 per minute. Guess I still have a long way to go before I improve. Did some work on our college graphics project today. This has been one of the more fun projects to work on, although most of the code being available beforehand on has certainly lowered the entry barrier. Excellent, excellent site, never thought love working with graphics to this extent, but here I am. Wallpaper found on 4chan, hopefully that rules out any copyright issues. Thanks anon.

OpenGL - PCF soft shadows + Cubemap + normal mapping


OpenGL experiments on my simple OpenGL model viewer. Programming language and libraries used: . C . Modern OpenGL . GLFW . assimp library for model loading Model: Stanford Bunny. Textures from and Cubemap used: 'Miramax' by Jockum Skoglund (hipshot), link: 🤍 licensed under the creative commons CC BY 3.0 license: 🤍

Dynamic Cubemap in OpenGL


My latest game Cavian requires me to render into a dynamic cubemap so I created these demos while I was developing a pipeline in my engine. The code is done in OpenGL and C, the rest is my own work. The skybox was from google somewhere and the meshes are made by me. Hope you enjoy the overly dramatic music

OpenGL Dynamic Cubemaps


C++ OpenGL Tutorial - 32 - 3D Textures/Cubemaps/Skybox


In this video, we look into 3D textures, or cubemaps. We go through the entire process of generating one, inserting images, and rendering it. We also add some cool functionality that connects to the variable logging from last video. • Skybox Image Source: 🤍 • Skybox Image Folder (Split up): 🤍 • Skybox Vertices: 🤍 • Desmos Sinusoid Graph: 🤍 • Website: 🤍 • Twitter: 🤍 • Discord: 🤍 • This Github Repo: 🤍 • This Playlist: 🤍 Listened to the album, One, by C418 (

OpenGL CubeMap Skybox, Phong Shading, Reflections


This is a basic beach scene I created in C/GLSL (OpenGL) for a Computer Graphics assignment. It is complete with a skybox (cube map texture), objects with reflective surfaces (cube, sphere, torus, and cylinder primitives), and lighting using the Phong shading model. ~ The skybox is a cube map texture of an HDR image that comes from the Humus website: 🤍 The one I used is titled "San Francisco 4". I implemented Phong shading by programming and adding diffuse, ambient, and specular light components. Basically, I assign material characteristics to objects when I create them in the driver program; then in the fragment shader I manipulate the color depending on the effect I want the object to have (for example, reflective objects have different effects than non reflective objects). I use that new color to calculate the diffuse and ambient components. Finally I add them together with the specular component and the result is the directional light (out variable). To create the skybox and reflective objects, I use the cube map texture in the fragment shader (mirrored for reflective objects). ~ The background ocean sound comes from this video: 🤍 ~ If you read this far, here is a sneak peek at my next personal project: I am going to try to recreate the court room setting of Danganronpa in OpenGL, and include sprites of the characters! However, before I can do that, I must finish the final project for my 3D Modeling/Animation class and all my exams which all occur on 9 and 10 December! I will upload my 3D modeling final project if it comes out well enough. ~ This was for Assignment #7 (the final assignment) in my CS 4722: Computer Graphics and Multimedia class at KSU. It was due 8 December 2021 at 11:59 PM. #ComputerGraphics #OpenGL

OpenGL test - real 3D terrain + soft shadows + cubemap - Alpi Apuane


Simple OpenGL viewer. Real 3D terrain + soft shadows + cubemaps. 3D view of part of the Apuane mountains, Tuscany. View of Mount Pania della Croce and Mount Croce. DEM map downloaded from: 🤍 Cubemap used: 'Miramax' by Jockum Skoglund (hipshot), link: 🤍 licensed under the creative commons CC BY 3.0 license: 🤍

OpenGL GLSL tutorial 10 - Cubemap, reflection, refraction


In this tutorial we will take a look at the 3 thing in the title -Cubemap is 6 texture arranged as a cube, we can use for skyboxes or for cubemap-reflections, cubemap-refractions -Shiny surfaces reflect their surroundings, we can easily model this with a cubemap and a vector expressed in world space (we get it by the reflect function) -When light goes through in transparent objects it slightly changes the path, it's called refraction (like magnifying glass), we can model this effect by a cubemap and the refract function (again in world space) Source: 🤍

OpenGL water reflection with cubemap


Trying to create a reflection in OpenGL / C using programmable shaders with GLSL to control graphics processing, vertex buffer objects to get a high polygon mesh stored in video ram and multiple dynamic cube maps for the reflection, the skybox is a static cube map. The mesh is created as a grid of tiles and is deformed by the vertex shader at render time using a sin wave type function and normals are generated here per vertex, the reflection vector is calculated in 'view space' using the interpolated fragment position and fragment normal and is used as a texture lookup into the associated cubemap. There is a visual inaccuracy that I sort of expected to happen, the map is rendered from the centre of each tile but the fragments are offset, so their perspective on the scene is different. this is running at around 40 frames per second on a 8800GT card, there are a few optimizations that i can make for example the chessboards are computed on cpu then sent to the graphics card about 100 times per frame, but they could be stored once in a VBO, the framebuffer image is copied into a texture many times per frame but the texture object can be used directly as the color buffer instead. Have tested the polygon density rendering once per frame it can go up to about 200k of triangles before affecting the performance. The image at the end is a section of my desktop background its a screenshot from a game.

Opengl 4.0 - Cubemapping sphere


a sphere with fixed texture and a cubemap attachet in opengl

OpenGL Cubmap


Uses Lancellotti chapel cubemap for reflection, refraction and image based lighting. I admit the IBL doesn't look that good. I used ModifiedCubeMapGen but I have to learn how to use it better.

Dynamic reflection using cube map in OpenGL/GLSL


A dynamic reflection created by rendering the scene to a cube map in a frame buffer. That cube map is then passed to the sphere as the texture use for reflections. Problems: 6 additional render passes per reflective object in order to build cube map. Non-square frame buffer causing problems.

Basic Shadow Mapping // Intermediate OpenGL Series


In this video we learn a basic technique to add shadows to the 3D scene. Timecodes 00:00 Intro 00:16 Spot light example 01:24 Characterizing the shadowed pixels 02:03 The shadow test 02:27 Shadow mapping 04:59 Perspective division 06:00 Shadow test example 06:21 The ShadowMapFBO class 08:00 The shadow pass 10:23 Testing the shadow pass 11:00 The lighting pass 16:25 Conclusion Make sure to watch all the previous tutorials in the "OpenGL For Beginners" playlist at 🤍 Please visit 🤍 to see more of my tutorials on modern OpenGL. Link to source: 🤍 More info: My shadow mapping tutorials: 🤍 🤍 Shadow mapping tutorial by Joey de Vries: 🤍 Intro on ApiTrace: 🤍 OpenGL 4.6 specification: 🤍 Feel free to comment below. Email: ogldev1🤍 Github: 🤍 Twitter: 🤍ogldev One time donations (Paypal): 🤍 Patreon: 🤍 Credits: Music: "Black Hole" by Creator Mix (🤍 Models: "Ordinary House" by tastyfish (🤍 🤍 Enjoy, Etay Meiri #opengl #ogldev #opengtutorials

OpenGL SL Project - Cubemapping


This builds upon my previous video with the addition of cube maps built using C and OpenGL Shading Language. Link to my GitHub repository: 🤍 Looks alright, in my opinion. The shadow map acne on some on the curved objects is a nuisance, but that's about it for gripes.

OpenGL Demo 4: Dynamic Cubemapping


This is another graphic demo that demonstrates dynamic cubemapping. Dynamic cubemapping allowes for a number of effects to an object such as dynamic environment mapping and dynamic refracting which allows for an object to be see through to some extent. This particular implementation I'm demonstrating is quite expensive because it requires 7 passes to produce the effect which is very expensive. There is a work around in later version of OpenGL and Direct3D 10 above that can do this type of mapping in 1 pass which is something I'll explore in a later date, but to be honest the only thing that I might use this technique for is to make convincing water for my scenes. I'll probably redo the water demo to use this technique to make very convincing water next time around. The next demo will cover parallax occupation which is a technique to fake depth in a flat surface, this should be a fun one to play with.

Basic Texture Mapping // OpenGL Beginners Series


In this video we will go over the details of getting basic texture mapping working in OpenGL using C. Make sure to watch all the previous tutorials in the "OpenGL For Beginners" playlist at 🤍 Please visit 🤍 to see more of my tutorials on modern OpenGL. Link to source: 🤍 If you want to get the same version that was used in the video checkout the tag TUT_16_TEX_MAP. OpenGL 4.6 specification: 🤍 Get the STB image header: 🤍 Timecodes: 0:00 Intro 0:40 Challenges 1:02 Texture coordinates 2:00 Number of texture axes 2:32 Naming the texture axes 2:58 Minification and magnification 4:53 Filter types 6:08 Texture mapping arch in OpenGL 8:28 Texture mapping TODO list 10:34 Star of code review 10:37 Getting STB image 12:18 The Texture class 13:44 Loading the texture 17:22 Setting texture state 18:11 The bind function of the texture class 18:36 Shader changes 19:42 Handling texture coordinates 20:17 Misc changes to app code 20:55 Changes to the render loop 21:28 Build and run 21:34 Conclusion Feel free to comment below. Email: ogldev1🤍 Facebook: 🤍 GIthub: 🤍 Twitter: 🤍ogldev One time donations (Paypal): 🤍 Patreon: 🤍 My gear (Amazon affiliate links): Camera - Canon EOS M50: 🤍 Camera mic - Rode Videomic: 🤍 Desktop mic - Rode NT-USB-Mini: 🤍 Credits: Music: "Smile" from 🤍 Images: 🤍 🤍 🤍 🤍 🤍 🤍 🤍 🤍 🤍 Enjoy, Etay Meiri #opengl #ogldev #opengtutorials

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